Post by bmatlove on Variable Length Array - Cannot mix variable and fixed length dimensions? ^{CODESYS Forge talk (Post)}
Using Codesys 3.5.18.30 I am trying to work with an array of variable length in one dimension, but known in the other dimension. For example, using an array that represents a list of items, each with an attribute profile. I do not know how many items will be in the list, but I know that every item has 5 attributes, like size, weight, etc. Codesys does not seem to be able to accept this. I have referenced Data Type: ARRAY OF documentation page, which is not explicit if variable & fixed length array dimensions can be mixed. In the VAR_IN_OUT scope, I initially tried MY_ARRAY : ARRAY [*, *] OF REAL; which was no problem, of course. I then modified it to MY_ARRAY : ARRAY [*, 1..5] OF REAL; which throws C0006: ', or ]' expected instead of '..' among consequent downstream errors. I then used the Auto Declare -> Array Wizard, which accepted (asterisk)-(asterisk) and 1-5 for 2-dimensional lower and upper bounds. It output: MY_ARRAY: ARRAY[*..*, 1..6] OF INT; which throws the same error stream. What's the deal here? Is this possible?
Last updated: 2025-05-23

Post by laurits on Max lines of code, codesys CNC ? ^{CODESYS Forge talk (Post)}
Hi, okay here's the project, it's a modified version of "CNC Example 10: Programming Dynamic CNC Paths", no need for G Code text file (i have also tried with G code text file, same problem) in "PROGRAM PLC_PRG" you can set bStart to true, and the program should start running, go to "PROGRAM CNC" and you can see axis moving. lrXpos := IoConfig_Globals.XAixs.fSetPosition; lrYpos := IoConfig_Globals.YAxis.fSetPosition; Now you can can change the number of movements in the the "PROGRAM PLC_PRG" From this number of movements in "program PLC_PRG" BUF : ARRAY[0..32010] OF SMC_GEOINFO; xp : ARRAY[1..32000] OF REAL; yp : ARRAY[1..32000] OF REAL; to this number to this number of movements BUF : ARRAY[0..132010] OF SMC_GEOINFO; xp : ARRAY[1..132000] OF REAL; yp : ARRAY[1..132000] OF REAL; Now if you start the program again you should see an error in the "sMC_Interpolator: SM3_CNC.SMC_Interpolator;" function block Let me know if you can not get it running.
Last updated: 2025-06-03

Post by cfam on Codesys Control for PLCnext (PLC - AXL F 2152) ^{CODESYS Forge talk (Post)}
Good day All I would like to share some information on this site for the Codesys team as well for the future members using Codesys Control for PLCnext if it is allowed. I hope that i Post it in the correct spot. Subject: Codesys, Codesys Control for PLCnext Objective: Using the following Phoenix components to built a PLC Rack and run it on Codesys: Hardware and Software used 1. 2404267, AXC F 2152 - Controller 2. 1088136, AXL F BP SE6 - Module carrier 3. 1088129, AXL SE DO16/1 - Digital module 4. 1337224, AXL SE PD16 GND - Potential distributors 5. 1088127, AXL SE DI16/1 - Digital module 6. 1337223, AXL SE PD16 24V - Potential distributors 7. 1088123, AXL SE AO4 I 4-20 - Analog module 8. 1088134, AXL SE SC-A - Cover 9. Codesys v3.5 SP19 Patch 4 10. Codesys Control for PLCnext V4.10.0.0 Process: Firstly I built the Rack according to the Phoenix Project+ Software tool. Where I rebuilt it onto my test bench . I used the PLCnext Engineer IDE from Phoenix and all Communications where up and running and my PLC program executed successfully. THEN I tried the same PLC Layout with Codesys and Codesys Control for PLCnext. It was not successful and gave me the "Error: Local Bus not Running". I searched the web for answers but was unsuccessful in finding a solution. So I tried to change my configuration and found that the following Modules COULD NOT be recognized by Codesys Control. The result was that the Local Bus Failed to run. 1337224, AXL SE PD16 GND - Potential distributors 1337223, AXL SE PD16 24V - Potential distributors Example 1, Resulted in "Error: Local Bus Not Running": Module carrier slot 1: 1088129, AXL SE DO16/1 - Digital module Module carrier slot 2: 1337224, AXL SE PD16 GND - Potential distributors Module carrier slot 3: 1088127, AXL SE DI16/1 - Digital module Module carrier slot 4: 1337223, AXL SE PD16 24V - Potential distributors Module carrier slot 5: 1088123, AXL SE AO4 I 4-20 - Analog module Module carrier slot 6: 1088134, AXL SE SC-A - Cover Example 2, Result "Successful": Module carrier slot 1: 1088129, AXL SE DO16/1 - Digital module Module carrier slot 2: 1088127, AXL SE DI16/1 - Digital module Module carrier slot 3: 1088123, AXL SE AO4 I 4-20 - Analog module Module carrier slot 4: 1088134, AXL SE SC-A - Cover Module carrier slot 5: 1088134, AXL SE SC-A - Cover Module carrier slot 6: 1088134, AXL SE SC-A - Cover Result: Codesys or Codesys Control for PLCnext, has a PROBLEM to identify the following Modules. 1. AXL SE PD16 24V - Potential distributors 2. AXL SE PD16 GND - Potential distributors Hope that this information could be useful in future. Best regards Jaco Pretorius
Last updated: 2023-12-06

Post by ryandmg on Web Client (HMI) Disconnects from Webvisu (Weidmuller u-OS) ^{CODESYS Forge talk (Post)}
Hey Everyone, I'm having a bit of a struggle finding settings that will reliably maintain a connection between the webvisu and a touchscreen client. Every so often the HMI disconnects and will perpetually display the red spinning arrow with the "Error Happened, Will resume automatically" text. Power cycling the HMI to force a reconnect will re-establish comms. It seems to happen during periods of inactivity if that's a clue. From what I've gathered so far this seems to have something to do with the webvisu update rate, buffer size as well as the visu task scan rate. We first tried the default settings as follows: Webvisu Update Rate: 200 ms Webvisu Buffer Size: 50,000 Visu Task Scan Rate: 100 ms Priority 31 Other Tasks for Reference: Main Task Scan Rate: 100 ms Priority 1 Alarm Manager Scan Rate: 50 ms Priority 31 Ethercat Task: 4 ms Priority 1 This would disconnect some what regularly. We then made the following changes to try and stabilize: Webvisu Update Rate: 150 ms Webvisu Buffer Size: 75,000 Visu Task Scan Rate: 75 ms Kept other tasks the same. This seems to disconnect even more frequently. Also for reference the network is very small and only consists of the PLC, a small switch and the HMI. We're also not controlling frames from outside the visu program itself. The frame changes are all done natively. Any suggestions to get this to stop disconnecting? Oh and whatever the issue is the log does not record it. Figured I would ask here before opening a ticket. Thanks in advance for your help!
Last updated: 2023-09-06

Post by tk096 on High Cycle Times for SoftMotion_PlanningTask when using AxisGroup ^{CODESYS Forge talk (Post)}
Hi, under this circumstances the performance of a Raspberry Pi 4 should be sufficient to run a Softmotion robotics application. A closer look at the project would be required. Maybe you could contact the codesys support? Usually it is recommended to run the planning task cyclically every 2ms with task priority of 0 on a dedicated core. In the task configuration you can have a look at the average and maximum execution time of the planning task. You could use the function block SMC_TuneCPKernel (https://content.helpme-codesys.com/en/libs/SM3_Robotics/Current/SM3_Robotics/POUs/AdministrativeConfiguration/Computation/SMC_TuneCPKernel.html) to define suitable values for the parameters 'fSyncBufferDuration' and 'fPlanningInterval'. However, as previously mentioned, the performance of a Raspberry Pi 4 with realtime patch should be sufficient. The 'fPlanningInterval' parameter specifies the maximum planning step width in seconds. The cycle time of the planning task should not permanently exceed this value. A higher value reduces the computational effort, but can lead to a violation or no full utilization of the set limit values for velocity, acceleration and jerk. From a starting value of 0.016 seconds, the value should be increased gradually until the performance is acceptable. The parameter 'fSyncBufferDuration' specifies the size (in seconds) of the buffer between the planning and fieldbus task. The cycle time of the planning task must not exceed this value at peak times (this will lead to the error SMC_CP_QUEUE_UNDERRUN). A higher value can compensate for peaks in the cycle time of the planning task. At the same time, however, this also increases the latency for executing interrupts and aborting movements.
Last updated: 2024-03-22

Post by thysonfury on OPTO22 Groov Epic PR2 Modbus Comms Dropping out every 2 hours and 4 Mins ^{CODESYS Forge talk (Post)}
Hi after some assistance with an error on a Groov PR2 PLC. We have a few different communications set up as shown below: One Modbus TCP Slave Connection - ( Sending / Receiving Data from a PC ) Two Modbus TCP Master Connection - ( Reading Data from a UPS Panel and Reading Data Gas Chromatograph) One Modbus RTU Slave Connection 485 - (Reading Data from a fire and gas panel) One Modbus RTU Master Connection 485 - (Sending Data to a Telemetry Unit) All Licenses have been installed as per OPTO22 suggestions of the order below: Modbus TCP Master Modbus TCP Slave Modbus RTU Master Modbus RTU Slave When I check on License manager the RTU Master license seems to disappear on installing the RTU. (What ever reason I’ve been told this is “normal”). If I use Device License Read It will successfully read all the licenses correctly. Now the issue is every 2 hours and between 4. For what ever reason the communications seems to end and lock up for about 20 seconds. During this time even if I was logged into the PLC it would kick me off and I’d have to re type the password to enter. Most of the devices can handle this however the RTU flags up a communications failure at the SCADA and is raising alarms every 2 hours and 4 mins. We’ve had multiple people go through the code to check for anything obvious. Does anyone have any ideas?
Last updated: 2024-04-15

Post by thysonfury on OPTO22 Groov Epic PR2 Modbus Comms Dropping out every 2 hours and 4 Mins ^{CODESYS Forge talk (Post)}
Hi after some assistance with an error on a Groov PR2 PLC. We have a few different communications set up as shown below: One Modbus TCP Slave Connection - ( Sending / Receiving Data from a PC ) Two Modbus TCP Master Connection - ( Reading Data from a UPS Panel and Reading Data Gas Chromatograph) One Modbus RTU Slave Connection 485 - (Reading Data from a fire and gas panel) One Modbus RTU Master Connection 485 - (Sending Data to a Telemetry Unit) All Licenses have been installed as per OPTO22 suggestions of the order below: Modbus TCP Master Modbus TCP Slave Modbus RTU Master Modbus RTU Slave When I check on License manager the RTU Master license seems to disappear on installing the RTU. (What ever reason I’ve been told this is “normal”). If I use Device License Read It will successfully read all the licenses correctly. Now the issue is every 2 hours and between 4. For what ever reason the communications seems to end and lock up for about 20 seconds. During this time even if I was logged into the PLC it would kick me off and I’d have to re type the password to enter. Most of the devices can handle this however the RTU flags up a communications failure at the SCADA and is raising alarms every 2 hours and 4 mins. We’ve had multiple people go through the code to check for anything obvious. Does anyone have any ideas?
Last updated: 2024-04-15

Post by thysonfury on OPTO22 Groov Epic PR2 Modbus Comms Dropping out every 2 hours and 4 Mins ^{CODESYS Forge talk (Post)}
Hi after some assistance with an error on a Groov PR2 PLC. We have a few different communications set up as shown below: One Modbus TCP Slave Connection - ( Sending / Receiving Data from a PC ) Two Modbus TCP Master Connection - ( Reading Data from a UPS Panel and Reading Data Gas Chromatograph) One Modbus RTU Slave Connection 485 - (Reading Data from a fire and gas panel) One Modbus RTU Master Connection 485 - (Sending Data to a Telemetry Unit) All Licenses have been installed as per OPTO22 suggestions of the order below: Modbus TCP Master Modbus TCP Slave Modbus RTU Master Modbus RTU Slave When I check on License manager the RTU Master license seems to disappear on installing the RTU. (What ever reason I’ve been told this is “normal”). If I use Device License Read It will successfully read all the licenses correctly. Now the issue is every 2 hours and between 4. For what ever reason the communications seems to end and lock up for about 20 seconds. During this time even if I was logged into the PLC it would kick me off and I’d have to re type the password to enter. Most of the devices can handle this however the RTU flags up a communications failure at the SCADA and is raising alarms every 2 hours and 4 mins. We’ve had multiple people go through the code to check for anything obvious. Does anyone have any ideas?
Last updated: 2024-04-15

Post by leandroct on Error reading files after runtime update from 4.0.0.0 to 4.8.0.0 ^{CODESYS Forge talk (Post)}
Since version 19 they changed how file access is handle. There are two solutions: 1. You change where the file is stored (need to go to: /PlcLogic/) 2. You can, if you don´t want to store at PlcLogic, add the following line in the CODESYSControl.cfg under [SysFile]: ForceIecFilePath=0 The CodesysControl.cfg is at C:\ProgramData\CODESYS\CODESYSControlWinV3x64\xxPROJECT_NUMBERxx\ Here the email they sent me: "with the 3.5.19 Version we changed how files are handled. See following issue: CDS-81506 - CODESYS Control SysFile system file access vulnerability. There are two solutions: 1. You change where the file is stored (need to go to: /PlcLogic/) 2. You can, if you don´t want to store at PlcLogic, add the following line in the CODESYSControl.cfg under [SysFile]: ForceIecFilePath=0 Here is the official release-note: [[COMPATIBILITY_INFORMATION]] With the activation of ForceIecFilePath the file access from IEC is now restricted to the configured paths only (file sandbox)! [SysFile] ForceIecFilePath=1 (new default) The standard path is the current directory, the PlcLogic subfolder or a configured path. Every file access outside of this path is configured via PlaceholderFilePath, for example access to temporary files or removable media: [SysFile] PlaceholderFilePath.1=/tmp, $TMP$ PlaceholderFilePath.2=/media/usb, $USB$ PlaceholderFilePath.2.Volatile=1 For more information see our tutorial FilePath & Placeholders. To restore the old behavior ForceIecFilePath may be configured as follows: [SysFile] ForceIecFilePath=0 BUT WE HIGHLY RECOMMEND TO LEAVE THIS SETTING AT ITS NEW DEFAULT VALUE! "
Last updated: 2024-05-07

Post by fmon on Modbus : dis- / re-connect cable: modbus does not re-start ^{CODESYS Forge talk (Post)}
Hello, I am using codesys Modbus TCP client (4.4.0.0) to communicate with a python modbus server (package pyModbusTCP). I first start my python server on the distant machine. After a fresh codesys compilation, a plc connection/transfer and a PLC run, the modbus connection is OK. Every time in this context the connection is created correctly. When I shut down the server, the modbus connection falls, that is normal. When I restart the python server, impossible to recreate the modbus connexion. With the client autoreconnection, I see on my server that the client tries to connect but unsuccesfully. I have the following message : DEBUG:pyModbusTCP.server:accept new connection from ClientInfo(address='192.168.1.20', port=33476) DEBUG:pyModbusTCP.server:Exception during request handling: NetworkError('recv return null') I tried to stop the codesys client and to restart it with these commands : Modbus_TCP_Client.xStop := True; // Or False Modbus_TCP_Client.Enable := True; // Or False Modbus_TCP_Server.Enable := True; // Or False I tried to confirm the error manually to force reconnection with: Modbus_TCP_Server_Motors.xConfirmError := TRUE; I tried also this command to STOP/RESET/START client and server (codesys side) but nothing happens : status_client := Modbus_TCP_Client.SetCommunicationState(eRequestedState := DED.DEVICE_TRANSITION_STATE.STOP); // .RESET & .START The answer of this function when executed is "status_client = NOT_SUPPORTED" It seems that is a socket problem, but I do not understand if it is on the client or server side. I tried a modbus simulator called "ananas.exe" and the result is the same. Impossible to get a modbus reconnection. What is different at the first connection and at a reconnection attempt ? Thanks for your help
Last updated: 2025-03-14

Post by fmon on Modbus TCP client reconnection problem ^{CODESYS Forge talk (Post)}
Hello, I am using codesys Modbus TCP client (4.4.0.0) to communicate with a python modbus server (package pyModbusTCP). I first start my python server on the distant machine. After a fresh codesys compilation, a plc connection/transfer and a PLC run, the modbus connection is OK. Every time in this context the connection is created correctly. When I shut down the server, the modbus connection falls, that is normal. When I restart the python server, impossible to recreate the modbus connexion. With the client autoreconnection, I see on my server that the client tries to connect but unsuccesfully. I have the following message : DEBUG:pyModbusTCP.server:accept new connection from ClientInfo(address='192.168.1.20', port=33476) DEBUG:pyModbusTCP.server:Exception during request handling: NetworkError('recv return null') I tried to stop the codesys client and to restart it with these commands : Modbus_TCP_Client.xStop := True; // Or False Modbus_TCP_Client.Enable := True; // Or False Modbus_TCP_Server.Enable := True; // Or False I tried to confirm the error manually to force reconnection with: Modbus_TCP_Server_Motors.xConfirmError := TRUE; I tried also this command to STOP/RESET/START client and server (codesys side) but nothing happens : status_client := Modbus_TCP_Client.SetCommunicationState(eRequestedState := DED.DEVICE_TRANSITION_STATE.STOP); // .RESET & .START The answer of this function when executed is "status_client = NOT_SUPPORTED". Is it normal ? It seems that is a socket problem, but I do not understand if it is on the client or server side. I tried a modbus simulator called "ananas.exe" and the result is the same. Impossible to get a modbus client reconnection. What is different at the first client connection and at a reconnection attempt ? Thanks for your help
Last updated: 2025-03-17

Post by jeindhoven on Deploying to raspberry pi 5 hangs ^{CODESYS Forge talk (Post)}
Yep sure, though now that i think of it, its a pi 4. My bad. The whole ordeal was necessary to use the VGA666 adapter. That needs the old graphical system and GPIO directly on the CPU. Edit: Putty on the virtual development machine connects fine. But i did change the login/pw. The account is still a sudo'er so that should be all right. Edit2: Sorry i get a "Comment rate limit exceeded" from the forum. Then i'll add it as edit here. So i have tried the stock raspberry pi image on a different pi5 (truly 5 this time). Packages updated. Standard password. Same symptoms, no runtime deployed and long hang time. Versions of this pi: pi@raspberrypi:~ $ uname -a Linux raspberrypi 6.12.25+rpt-rpi-2712 #1 SMP PREEMPT Debian 1:6.12.25-1+rpt1 (2025-04-30) aarch64 GNU/Linux pi@raspberrypi:~ $ lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 12 (bookworm) Release: 12 Codename: bookworm pi@raspberrypi:~ $ apt list --installed | grep openssh-server openssh-server/stable,now 1:9.2p1-2+deb12u6 arm64 [installed,automatic] Attached is the Device information and error text that Codesys comes up with. Edit 3 (Comment rate limit, otherwise it would be a new post) Now i have tried booting an older native Windows 10 machine (no virtualization), and it just works as expected. I have now a raspberry pi 4 and raspberry pi 5 with version 4.16.0.0 of the control application. Windows 10 native: build 19045 (same as virtualised Win 10), same .NET version, same CODESYS version. It seems that running CODESYS virtualized somehow messes with the deployment?
Last updated: 2025-06-23

Post by bschraud on runtime received SIGABRT ^{CODESYS Forge talk (Post)}
Ich konnte den Fehler leider nicht wirklich finden. Hier mein bisheriger Fortschritt: Um nähere Informationen zu bekommen, habe ich einen strace erstellt: PID ermitteln: $ ps aux | grep codesyscontrol | grep -v grep --> 560 sudo strace -tt -f -p 560 -o /tmp/codesys_strace.log (Die Logdatei wird schnell einige hundert MB groß.) Mit grep -B 100 'si_signo=SIGABRT' /tmp/codesys_strace.log konnte ich die relevanten Einträge finden: (Die PID hat sich inzwischen wegen einem Reboot geändert) 1023 15:33:49.497136 writev(2, [{iov_base="Unexpected error 9 on netlink de"..., iov_len=45}], 1 <unfinished ...=""> .. 1023 15:33:49.498352 tgkill(545, 1023, SIGABRT <unfinished ...=""> 1023 15:33:49.498440 <... tgkill resumed> ) = 0 .. 1023 15:33:49.498730 --- SIGABRT {si_signo=SIGABRT, si_code=SI_TKILL, si_pid=545, si_uid=0}</unfinished></unfinished> Der Codesys Log zeigt zu diesem Zeitpunkt: Exception: HANDLED EXCPT <excpt>NonContinuable</excpt> in CH_COMM_CYCLE Mit sudo lsof -p 545 habe ich die Anzahl der geöffneten Dateien überprüft ohne Auffälligkeiten Mit sudo netstat -tunaep | grep codesys habe ich die offenen Netzwerkverbindungen der codesys Prozesse überprüft Hier sieht es so aus, dass codesyscontrol und codesysedge über die externen Netzwerkschnittstelle anstatt über den localhost kommunizieren: udp 0 0 172.19.11.127:1740 0.0.0.0: 0 17882 549/codesyscontrol. udp 0 0 172.19.11.255:1740 0.0.0.0: 0 17883 549/codesyscontrol. udp 0 0 172.19.11.255:1743 0.0.0.0: 0 16993 529/codesysedge.bin udp 0 0 172.19.11.127:1743 0.0.0.0: 0 16992 529/codesysedge.bin Leider kann ich keine Konfiguration mit einer anderen Schnittstelle einstellen.. Als nächstes habe ich die udp Kommunikation der beiden Prozesse aufgezeichnet: SPID des BlkDrvUdp Threads ermitteln: $ ps aux | grep codesyscontrol | grep -v grep --> 548 $ ps -T -p 548 | grep BlkDrvUdp --> 1200 Damit kann man den strace starten: sudo strace -p 1020 -f -tt -o /tmp/udp_control_trace.log -e trace=socket,connect,bind,sendto,recvfrom,close $ ps aux | grep codesysedge | grep -v grep --> 528 $ ps -T -p 528 | grep BlkDrvUdp --> 789 sudo strace -p 789 -f -tt -o /tmp/udp_edge_trace.log -e trace=socket,connect,bind,sendto,recvfrom,close Beim Aufzeichnen des Traces kamen wiederholte Fehlereinträge im codesyscontrol.log (diesmal ohne SIGABRT) nach folgendem Muster: tail -f /var/opt/codesys/codesyscontrol.log (mit UTC Zeit) 2025-04-17T11:23:43.147Z, 0x00000071, 1, 0, 0, Host : PAC4 2025-04-17T11:23:43.147Z, 0x00000071, 1, 0, 0, HTTP port : 8080 2025-04-17T11:23:43.147Z, 0x00000071, 1, 0, 0, HTTPS port : 443 2025-04-17T11:23:43.147Z, 0x00000071, 1, 0, 0, Connection type : HTTP 2025-04-17T11:23:43.147Z, 0x00000071, 1, 0, 0, ********** 2025-04-17T11:23:46.318Z, 0x00000061, 1, 0, 0, Create asymmetric key done! 2025-04-17T11:23:53.464Z, 0x00000071, 1, 404, 0, File $PlcLogic$/$visu$/favicon.ico not found on this server 2025-04-17T11:23:55.208Z, 0x0000100c, 1, 0, 0, Visu_PRG: Creating Client for Extern-ID: 2025487823 2025-04-17T11:23:55.216Z, 0x0000100c, 1, 0, 0, Visu_PRG: Creating Client successful for Extern-ID: 2025487823 Returned IEC-ID: 0 2025-04-17T11:40:43.471Z, 0x00000114, 4, 1, 0, ** ERROR: SysTaskCreate [CheckLicense0]: pthread_setname_np: Bad file descriptor Hier der dazu passende trace auszug von grep -B 100 '13:40:43' /tmp/udp_edge_trace.log: 798 13:40:42.592535 socket(AF_NETLINK, SOCK_RAW|SOCK_CLOEXEC, NETLINK_ROUTE) = 9 798 13:40:42.592794 bind(9, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 0 798 13:40:42.593049 sendto(9, {{len=20, type=0x12 / NLMSG_??? /, flags=NLM_F_REQUEST|0x300, seq=1744890042, pid=0}, "\x00\x00\x00\x00"}, 20, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 20 798 13:40:42.602995 sendto(9, {{len=20, type=0x16 / NLMSG_??? /, flags=NLM_F_REQUEST|0x300, seq=1744890043, pid=0}, "\x00\x00\x00\x00"}, 20, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 20 798 13:40:42.614794 close(9) = 0 798 13:40:42.615065 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 9 798 13:40:42.615331 close(9) = 0 798 13:40:42.616159 close(9) = 0 798 13:40:42.616318 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 9 798 13:40:42.616555 close(9) = 0 798 13:40:42.617209 close(9) = 0 798 13:40:42.617355 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 9 798 13:40:42.617590 close(9) = 0 798 13:40:42.618497 close(9) = 0 798 13:40:42.618712 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 9 798 13:40:42.618995 close(9) = 0 798 13:40:42.619568 close(9) = 0 798 13:40:42.620247 close(9) = 0 798 13:40:42.620441 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 9 798 13:40:42.620690 close(9) = 0 798 13:40:42.621181 close(9) = 0 798 13:40:42.621823 close(9) = 0 798 13:40:43.520036 close(9) = 0 798 13:40:43.520406 close(9) = 0 und grep -B 100 '13:40:43' /tmp/udp_control_trace.log 1035 13:40:43.389785 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 20 1035 13:40:43.390043 close(20) = 0 1035 13:40:43.390681 close(20) = 0 1035 13:40:43.393690 close(20) = 0 22586 13:40:43.450945 close(0) = 0 22586 13:40:43.451230 close(0) = -1 EBADF (Ungültiger Dateideskriptor) 22586 13:40:43.451689 close(20) = 0 22586 13:40:43.452104 close(1) = 0 22586 13:40:43.452481 close(21) = 0 22586 13:40:43.452679 close(2) = 0 22586 13:40:43.452860 close(2) = -1 EBADF (Ungültiger Dateideskriptor) 1009 13:40:43.454112 close(21) = 0 22586 13:40:43.454522 close(8) = 0 22586 13:40:43.455428 close(8) = 0 22586 13:40:43.455976 close(8) = 0 22586 13:40:43.456852 close(8) = 0 22587 13:40:43.463115 close(8) = 0 22587 13:40:43.464074 close(8) = 0 22587 13:40:43.464682 close(8) = 0 22587 13:40:43.465463 close(8) = 0 22587 13:40:43.468229 close(8) = 0 22587 13:40:43.468737 close(1 <unfinished ...=""> 1009 13:40:43.468805 close(20 <unfinished ...=""> 22587 13:40:43.468849 <... close resumed> ) = 0 1009 13:40:43.468896 <... close resumed> ) = 0 22587 13:40:43.468942 close(2) = 0 22587 13:40:43.469504 +++ exited with 0 +++ 22586 13:40:43.469670 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22587, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 22586 13:40:43.470175 +++ exited with 0 +++ 1009 13:40:43.470265 close(20) = 0 546 13:40:43.470577 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22586, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- 1035 13:40:43.470913 close(20) = -1 EBADF (Ungültiger Dateideskriptor) 22588 13:40:43.480352 --- SIGRT_7 {si_signo=SIGRT_7, si_code=SI_TKILL, si_pid=546, si_uid=0} --- 22588 13:40:43.481675 --- SIGRT_6 {si_signo=SIGRT_6, si_code=SI_TKILL, si_pid=546, si_uid=0} --- 22588 13:40:43.482410 +++ exited with 0 +++</unfinished></unfinished> Die Zeile 2025-04-17T11:40:43.471Z, 0x00000114, 4, 1, 0, **** ERROR: SysTaskCreate [CheckLicense0]: pthread_setname_np: Bad file descriptor zeigt, dass der EBADF-Fehler beim Versuch auftritt, einen neuen Thread namens "CheckLicense0" zu erstellen. Die Funktion pthread_setname_np() erhält einen EBADF-Fehler. Ich weiß leider nicht, ob das eine heiße Spur ist. Parallel dazu habe ich die Aufrufe von Systemfunktionen über SysProcess_Implementation.SysProcessExecuteCommand2 auskommentiert ohne den Fehler damit abzustellen. An diesem Punkt habe ich wegen Termindruck den alten Stand der Runtime (4.11.0.0) mit der Codesys Version 3.5 SP20 wiederhergestellt und die geänderten Programme und Visualisierungen manuell getauscht mit dem Ergebnis, dass der Fehler in den letzten 2 Stunden nicht mehr aufgetreten ist. Wenn jemand das Problem kennt, wäre ich für einen Austausch dankbar. Frohe Ostern!
Last updated: 2025-04-17

Post by spiessli on Raspberry Pi 4 with Legacy Drivers and Codesys 3.5.19 Patch 4 ^{CODESYS Forge talk (Post)}
Hi, I wanted to use the Adafruit Hat for the Raspberry and get acquainted with Softmotion using servos for RC models. This did work great with Codesys 3.5.19 Patch 1, but with Patch 4 and 5 i get errors. I suspect changes in the SoftMotion library have broken dependencies in the legacy drivers, might that be true? Thanks for any hint, spiessli Here the error log: ------ Übersetzungslauf gestartet: Applikation: Device.Application ------- Code typisieren... Code erzeugen... [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0032: Typ 'Unbekannter Typ: 'ConfigGetParameterValueLREAL(pParam, 0)'' kann nicht in Typ 'LREAL' konvertiert werden [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0046: Bezeichner 'ConfigGetParameterValueLREAL' nicht definiert [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0035: Programmname, Funktion oder Funktionsbausteinstanz an Stelle von 'ConfigGetParameterValueLREAL' erwartet [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0032: Typ 'Unbekannter Typ: 'ConfigGetParameterValueLREAL(pParam, 0)'' kann nicht in Typ 'LREAL' konvertiert werden [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0046: Bezeichner 'ConfigGetParameterValueLREAL' nicht definiert [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0035: Programmname, Funktion oder Funktionsbausteinstanz an Stelle von 'ConfigGetParameterValueLREAL' erwartet [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0032: Typ 'Unbekannter Typ: 'ConfigGetParameterValueLREAL(pParam, 0)'' kann nicht in Typ 'LREAL' konvertiert werden [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0046: Bezeichner 'ConfigGetParameterValueLREAL' nicht definiert [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0035: Programmname, Funktion oder Funktionsbausteinstanz an Stelle von 'ConfigGetParameterValueLREAL' erwartet [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0032: Typ 'Unbekannter Typ: 'ConfigGetParameterValueLREAL(pParam, 0)'' kann nicht in Typ 'LREAL' konvertiert werden [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0046: Bezeichner 'ConfigGetParameterValueLREAL' nicht definiert [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0035: Programmname, Funktion oder Funktionsbausteinstanz an Stelle von 'ConfigGetParameterValueLREAL' erwartet [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0032: Typ 'Unbekannter Typ: 'ConfigGetParameterValueLREAL(pParam, 0)'' kann nicht in Typ 'LREAL' konvertiert werden [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0046: Bezeichner 'ConfigGetParameterValueLREAL' nicht definiert [FEHLER] sm3_drive_servo, 4.6.0.0 (3s - smart software solutions gmbh): GetStandardConfigParams AXIS_REF_SERVO: C0035: Programmname, Funktion oder Funktionsbausteinstanz an Stelle von 'ConfigGetParameterValueLREAL' erwartet Übersetzung abgeschlossen -- 15 Fehler, 0 Warnungen : Kein Download möglich
Last updated: 2023-12-19

Post by ara32 on CODESYS 4 Linux: ^{CODESYS Forge talk (Post)}
Hello! I managed to correctly launch CODESYS Developer Studio 3.5.17, almost all functionality works. The only issue remaining is that when connecting to a device and obtaining its public key, the NCryptEncrypt function is called, which is not fully implemented in the DLL source code, resulting in the connection not being established. Currently, the code of this function in the Wine repository looks like this: SECURITY_STATUS WINAPI NCryptEncrypt(NCRYPT_KEY_HANDLE key, BYTE *input, DWORD insize, void *padding, BYTE *output, DWORD outsize, DWORD *result, DWORD flags) { struct object *key_object = (struct object *)key; TRACE("(%#Ix, %p, %lu, %p, %p, %lu, %p, %#lx)\n", key, input, insize, padding, output, outsize, result, flags); if (flags & ~(NCRYPT_NO_PADDING_FLAG | NCRYPT_PAD_OAEP_FLAG | NCRYPT_PAD_PKCS1_FLAG | NCRYPT_SILENT_FLAG)) { FIXME("Flags %lx not supported\n", flags); return NTE_BAD_FLAGS; } if (flags & NCRYPT_NO_PADDING_FLAG || flags & NCRYPT_PAD_OAEP_FLAG) { FIXME("No padding and oaep padding not supported\n"); return NTE_NOT_SUPPORTED; } if (key_object->type != KEY) return NTE_INVALID_HANDLE; return map_ntstatus(BCryptEncrypt(key_object->key.bcrypt_key, input, insize, padding, NULL, 0, output, outsize, result, flags)); } The program crashes due to the NCRYPT_PAD_OAEP_FLAG flag. I'm not proficient in C++, but I attempted to add handling myself, and here's the result: SECURITY_STATUS WINAPI NCryptEncrypt(NCRYPT_KEY_HANDLE key, BYTE *input, DWORD insize, void *padding, BYTE *output, DWORD outsize, DWORD *result, DWORD flags) { struct object *key_object = (struct object *)key; TRACE("(%#Ix, %p, %lu, %p, %p, %lu, %p, %#lx)\n", key, input, insize, padding, output, outsize, result, flags); if (flags & ~(NCRYPT_NO_PADDING_FLAG | NCRYPT_PAD_OAEP_FLAG | NCRYPT_PAD_PKCS1_FLAG | NCRYPT_SILENT_FLAG)) { FIXME("Flags %lx not supported\n", flags); return NTE_BAD_FLAGS; } if (flags & NCRYPT_NO_PADDING_FLAG) { FIXME("No padding not supported\n"); return NTE_NOT_SUPPORTED; } BCRYPT_OAEP_PADDING_INFO oaepInfo = { 0 }; oaepInfo.pszAlgId = BCRYPT_SHA1_ALGORITHM; NTSTATUS status = BCryptEncrypt(key_object->key.bcrypt_key, input, insize, &oaepInfo, NULL, 0, output, outsize, result, flags); if (key_object->type != KEY) return NTE_INVALID_HANDLE; return map_ntstatus(BCryptEncrypt(key_object->key.bcrypt_key, input, insize, padding, NULL, 0, output, outsize, result, flags)); } Now, when calling the connection, it crashes with the error "bcrypt:BCryptEncrypt flags 0x4 not implemented." Can anyone help with enhancing this functionality or at least point me in the right direction?
Last updated: 2024-03-22

Post by alexgooi on OPC-UA and other communication questions ^{CODESYS Forge talk (Post)}
Dear forum, I currently have a big question mark above my head, and maybe this forum can shine some light on the situation. I recently updated to Codesys 3.15 SP19 Patch 6. And now I’m trying to setup the OPC-UA server, besides that I’m trying to connect to the controller with the Codesys V3 (Ethernet) protocol. OPC-UA I have installed the correct licenses on my controller (Runtime and communication). I’m able to connect to the controller with an OPC-UA client, and I’m able to browse the tags, so far so good. Therefore I’m assuming that the OPC-UA server is running on the controller. But now the strange part, in the device security settings I have set the communication Policy to BASCI256SHA256 ( I also have tried the other ones) and the communication mode is set to secure if possible (I also have tried all the other ones) (see picture). With these settings I would assume that I would only be able to login with a Basic256SHA256 policy with a client. But the opposite is true, I am able to login using the no policy mode and when I set it to Basic256SHA256 the client (UA-Expert) notes that this policy is not available on the server. I then check the certificates and I noted that there is no certificate for the OPC-UA server, I tried to generate one but it gave the error that the certificate has not been created by the device (See picture). To summarize I have no clue what is going on, and the controller does the opposite of what I would expect. Codesys Ethernet V3 driver I have a HMI connected to the same controller using the Ethernet V3 driver. But this will not connect. I tried all the Protocols (see picture), with and without the username and password enabled. But it will not connect, when I scan the available servers I can see the controller with the port number that I am expecting, so I’m assuming that the Codesys V3 ethernet driver is up on the controller. Does anyone can give me some direction, because the stuff that I tried doesn’t make sense to me. Thank you in advance
Last updated: 2024-04-02

Post by mgabryel on Problems with CAN 2.0 comunication on Wago PLC (Codesys 3.5) ^{CODESYS Forge talk (Post)}
Hello, I am trying to program CAN Bus comunication on WAGO PLC (more precisely on WAGO Touch Monitor model TP600). I am using for this purpose library "WagoAppCanLayer2" from Wago company. My IDE for programming this device is CODESYS V3.5 SP19 Patch 2 + (64-bit). My program is written in Structured text using function blocks from previously mentioned library. Here is code of this program: 1) Variables declarations: PROGRAM PLC_PRG VAR oOpenInterface : WagoAppCanLayer2.FbCanL2Open :=( udiBaudrate := 125000 ); xInterfaceIsOpen : BOOL; sInterfaceInfo : STRING; oReceive : WagoAppCanLayer2.FbCanRx29BitFrame :=( xBufferMode := FALSE, wCanId := 16#181 ); xRecv : BOOL; sReceiveInfo : STRING; oSend : WagoAppCanLayer2.FbCanTx29BitFrame :=( dwCanId := 16#100, //was 16#201 xRtrFrame := FALSE ); xSend : BOOL; sSendInfo : STRING; oCanDiag : WagoAppCanLayer2.FbCanErrorInfo; xRst : BOOL; aSendData : ARRAY [1..8] OF BYTE; bSendLen : BYTE; TON_0 : TON; TON_1 : TON; END_VAR 2) Program body: oOpenInterface( xEnable := NOT xInterfaceIsOpen, I_Port := IoConfig_Globals.WAGO_CAN_LAYER2_DEVICE ); sInterfaceInfo := oOpenInterface.oStatus.GetDescription(); xInterfaceIsOpen S= oOpenInterface.xValid AND NOT oOpenInterface.xError; oReceive( xEnable := xInterfaceIsOpen, I_Port := IoConfig_Globals.WAGO_CAN_LAYER2_DEVICE, xRxTrigger := xRecv ); sReceiveInfo := oReceive.oStatus.GetDescription(); IF NOT xRecv THEN IF oReceive.bRxNBytes > 0 THEN oReceive.aRxBuffer[1]; oReceive.aRxBuffer[2]; oReceive.aRxBuffer[3]; oReceive.aRxBuffer[4]; oReceive.aRxBuffer[5]; oReceive.aRxBuffer[6]; oReceive.aRxBuffer[7]; oReceive.aRxBuffer[8]; END_IF xRecv := TRUE; END_IF aSendData[1] := 224; aSendData[2] := 13; aSendData[3] := 14; aSendData[4] := 15; aSendData[5] := 222; aSendData[6] := 13; aSendData[7] := 14; aSendData[8] := 15; bSendLen := 8; TON_0(IN:= NOT TON_1.Q, PT:= T#2S , Q=>xSend, ET=> ); TON_1(IN:= TON_0.Q, PT:= T#2S , Q=>, ET=> ); oSend( xEnable := xInterfaceIsOpen, I_Port := IoConfig_Globals.WAGO_CAN_LAYER2_DEVICE, aTxBuffer := aSendData, bTxNBytes := bSendLen, xTxTrigger := xSend ); sSendInfo := oSend.oStatus.GetDescription(); oCanDiag( xEnable := TRUE, I_Port := IoConfig_Globals.WAGO_CAN_LAYER2_DEVICE, xTriggerResetCounter := xRst, xValid=> , xError=> , oStatus=> , wBusState=> , wBusDiag=> , uiRxOverflowsL2=> , uiTxOverflowsL2=> , uiRxOverflows=> , uiMsgTimeouts=> , uiBusOffs=> , uiBusWarnings=> ); Program first opens comunication on CAN 2 device and then periodically try send one CAN data frame. After starting program CAN 2 interface is properly open. The xSend variable is toggling with period 2s. When program sends data an "Tx overflow" error appears. When I am watching CAN_H line on DSub 9 socket i am not able to see proper CAN frames - see screenshot attached to this message. Could somebody help me determine what is wrong with this program. Best regards
Last updated: 2024-08-02

Post by gustavocsw on MQTT memory leak problem ^{CODESYS Forge talk (Post)}
Hello everyone, I'm using the IoT Library to implement the MQTT communication with my local broker server in order to publish and subscribe at specifics topics to share and consume information about my application. But, it seems that are occurring some memory leak problem in a "high" frequency (more than 10 Hz) subscribe process. I follow the same method as in IoT Lib exemples, and at first looks perfect but my PLC was rebooting frequently and when I check its memory usage that was increasing as fast as the subscribe massage was sent. I'm using a WEG PLC410 and a WEG PLC500, and this error occurred in both of them (including in CODESYS Control Win x64). The application sends to the system a message JSON with the float payload Ex. {"data" : 0.8500}, but this happens with a INT, or BOL as well. I use the follow code in my application to find the value: //FindFirstValueByKey VARs PROGRAM JSON_VELO VAR //------Setting the JSON Subscriber to Set the Relay Value jsonDataVelo : JSON.JSONData; jsonByteArrayReaderVelo : JSON.JSONByteArrayReader; xST1okVelo : BOOL; FindFirstValueByKeyVelo : JSON.FindFirstValueByKey; jsonElementVelo : JSON.JSONElement; xDoneReaderVelo : BOOL; xDoneFindVelo : BOOL; //STRING and WSTRING for Subscribe the massage sPayloadJsonVelo : STRING := 'opa'; psPayloadJsonVelo : POINTER TO BYTE := ADR(sPayloadJsonVelo); //wsPayloadJsonRelaySet : WSTRING := "opa"; wsPayloadJsonVelo : WSTRING := STRING_TO_WSTRING('opa'); pwsPayloadJsonVelo : POINTER TO WORD := ADR(wsPayloadJsonVelo); lrVelo : LREAL; xKeepAliveVelo : BOOL; xSetVelo : BOOL; RSSet : RS; LIMPAR : STRING; //Find the msg end sFindVelo : STRING := '}'; psFindVelo : POINTER TO STRING := ADR(sFindVelo); iLenVelo : INT; iSizeVelo : INT := 12; udiContMsg : UDINT; END_VAR // FindFirstValueByKey CODE // Relay Set configuration xSetVelo := MQTT_SUBSCRIBER.RSVelo.Q1; IF xSetVelo THEN xKeepAliveVelo := TRUE; END_IF IF xKeepAliveVelo THEN udiContMsg := udiContMsg + 1; iLenVelo := TO_INT(StrLenA(psPayloadJsonVelo)); iSizeVelo := iLenVelo - TO_INT(MQTT_SUBSCRIBER.udiPayloadSizeVelo); StrDeleteA(psPayloadJsonVelo,iSizeVelo,iLenVelo); wsPayloadJsonVelo := STRING_TO_WSTRING(sPayloadJsonVelo); pwsPayloadJsonVelo := ADR(wsPayloadJsonVelo); //MQTT.ConvertUTF8toUTF16(sourceStart:= ADR(sPayloadJsonVelo), targetStart:= ADR(wsPayloadJsonVelo), dwTargetBufferSize:= TAM, bStrictConversion:= 1); //Reset jsonByteArrayReader jsonByteArrayReaderVelo ( xExecute := TRUE, pwData := pwsPayloadJsonVelo, jsonData := jsonDataVelo, xDone => xDoneReaderVelo ); FindFirstValueByKeyVelo( xExecute := xDoneReaderVelo, wsKey := "data", diStartIndex:= 0, jsonData := jsonDataVelo, jsonElement => jsonElementVelo, xDone => xDoneFindVelo ); IF xDoneFindVelo THEN lrVelo := jsonElementVelo.value.lrValue; //Reset jsonByteArrayReader jsonByteArrayReaderVelo ( xExecute := FALSE, pwData := pwsPayloadJsonVelo, jsonData := jsonDataVelo, xDone => xDoneReaderVelo ); FindFirstValueByKeyVelo( xExecute := FALSE, wsKey := "data", diStartIndex:= 1, jsonData := jsonDataVelo, jsonElement => jsonElementVelo, xDone => xDoneFindVelo ); xKeepAliveVelo := FALSE; GVL.xSetVeloRead := TRUE; END_IF END_IF And this to subscribe at the topic: //SUBSCRIBE VAR: //----------------- Subscribe Velocity ----------------------- MQTTSubscribeVelo : MQTT.MQTTSubscribe;//Variable MQTTSubscriber block -X - function-X wsTopicSubscribeVelo : WSTRING(1024) := "CORE/odometry/GET/data/simp"; // Topic to publish a message sSubscribeMassageVelo : STRING; udiPayloadSizeVelo : UDINT; xSDoneVelo : BOOL; xSErrorVelo : BOOL; xReceiveVelo : BOOL; eSTypeVelo : MQTT.MQTT_ERROR; eSMQTTErrorVelo : MQTT.MQTT_ERROR; RSVelo : RS; udiCont : UDINT; //SUBSCRIBE CODE: MQTTSubscribeVelo( xEnable:= MQTT_CLIENT.xConnection_Broker AND NOT xSErrorVelo AND NOT JSON_VELO.xKeepAliveVelo, pbPayload:= JSON_VELO.psPayloadJsonVelo, udiMaxPayloadSize:= SIZEOF(JSON_VELO.sPayloadJsonVelo), udiPayloadSize => udiPayloadSizeVelo, mqttClient:= MQTT_CLIENT.ClientMQTT, wsTopicFilter:=wsTopicSubscribeVelo, xDone => xSDoneVelo, xError=> xSErrorVelo, xReceived => xReceiveVelo, eMQTTError=> eSMQTTErrorVelo ); RSVelo(SET := xReceiveVelo, RESET1 := JSON_VELO.xKeepAliveVelo);
Last updated: 2024-09-09

Post by george32 on Readable IO names ^{CODESYS Forge talk (Post)}
Hello Folks, I have a quite basic understanding of how PLC programming works. However I keep getting stuck on 1 problem I could not get my head around. The problem is as follow: I have a PLC with 60 IO (20 inputs, 40 outputs). Each IO is defined as a function block. Furthermore I have an external IO card connected trough a CanBus connection. This IO card has 4 analog input channels (USINT), 4 digital inputs (Bool) and 4, digital outputs (Bool) Because I have 2 different components which both has data have I made 4 arrays to store the data off every component in one variable. PLC_Input: Array [1..20] of BOOL; PLC_Output: Array [1..40] of BOOL IOCard_Input: Array [1..8] of BOOL IOCard_Output: Array [1..4] of BOOL Because the control and reading of the different in and outputs is done by a TCP connection I want to use some kind of enumeration or struct to give each index a name so that my main would be a little bit more readable instead of all the magic numbers. Also this would make my program more dynamic for the furter in case I need to changes some in the IO nummers. For example: pump is placed on the fysical terminal strip number place 54, which is the 3th output of the IO card in the program: if I am sending a message with value 54 I would like to control IOCard_Output[3]. If there is a solution or methode to get this done, I can eventually do the following in my main program: IOCard_Output[Pump]. I have tried the following: IOCard_Output[Pump - 51] with an enumration but this keeps raising an error I hope some of you could help me further with this problem. In gross lines: I want to couple all the different IO to a more readable name and this readable name should control the right Array index Thanks in advance, George
Last updated: 2024-09-26

Post by paulg on RasPi CAA Serial example - unexpected behavior during debug ^{CODESYS Forge talk (Post)}
I've trimmed down the CAA Serial Codesys example to only listen on one port but, when stepping through the Case structure in debug mode, it jumps out of the structure during a specific point in every scan (I'll point it out below after describing the setup and listing the code). I'm using a Pi 4 Model B, and I have an Arduino Nano Every plugged in via USB which is streaming the following serial message at 1 Hz: Time since opening connection: 1 s Time since opening connection: 2 s ...and so on. The Pi shows the Nano at /dev/ttyACM0 so I edited CODESYSControl_User.cfg to read: Linux.Devicefile=/dev/ttyACM The code in my PLC_PRG is (ignore some of the comments, I hadn't deleted them out from the original example): PROGRAM PLC_PRG VAR xStartTest : BOOL:= TRUE; iState : INT; xTestDone : BOOL;(* True, when the test was done succesfully *) (* Settings to communicate with the COM Port *) aCom1Params : ARRAY [1..7] OF COM.PARAMETER; como1 : COM.Open; comc1 : COM.Close; comw1 : COM.Write; comr1 : COM.Read; //sWrite : STRING := 'Test String!'; sRead : STRING(25); szRead : CAA.SIZE; xCom1OpenError : BOOL; xCom1CloseError : BOOL; xCom1WriteError : BOOL; xCom1ReadError : BOOL; END_VAR //This example shows the communication of two COM Ports with each other. //The first one writes a string of characters, which is read by the second one. //After successful execution, the two COM Ports are closed and the test is done. IF xStartTest THEN CASE iState OF 0: //The parameters are set for the COM Port aCom1Params[1].udiParameterId := COM.CAA_Parameter_Constants.udiPort; aCom1Params[1].udiValue := 1; // the correct Port should be adapted aCom1Params[2].udiParameterId := COM.CAA_Parameter_Constants.udiBaudrate; aCom1Params[2].udiValue := 115200; aCom1Params[3].udiParameterId := COM.CAA_Parameter_Constants.udiParity; aCom1Params[3].udiValue := INT_TO_UDINT(COM.PARITY.NONE); aCom1Params[4].udiParameterId := COM.CAA_Parameter_Constants.udiStopBits; aCom1Params[4].udiValue := INT_TO_UDINT(COM.STOPBIT.ONESTOPBIT); aCom1Params[5].udiParameterId := COM.CAA_Parameter_Constants.udiTimeout; aCom1Params[5].udiValue := 0; aCom1Params[6].udiParameterId := COM.CAA_Parameter_Constants.udiByteSize; aCom1Params[6].udiValue := 8; aCom1Params[7].udiParameterId := COM.CAA_Parameter_Constants.udiBinary; aCom1Params[7].udiValue := 0; //The first Port is opened with the given parameters como1(xExecute := TRUE, usiListLength:=SIZEOF(aCom1Params)/SIZEOF(COM.PARAMETER),pParameterList:= ADR(aCom1Params)); IF como1.xError THEN xCom1OpenError := TRUE; iState := 1000; END_IF //After a successful opening, the next state is reached IF como1.xDone THEN iState := 15; END_IF 15: // the reading process is started comr1(xExecute := TRUE,hCom:= como1.hCom, pBuffer:= ADR(sRead), szBuffer:= SIZEOF(sRead)); IF comr1.xError THEN xCom1ReadError := TRUE; END_IF //After completion the size of the written bytes are saved IF comr1.xDone OR comr1.xError THEN szRead := comr1.szSize; iState := 20; END_IF 20: // If everything was successful the ports are closed and the handles are released comc1(xExecute := TRUE,hCom:= como1.hCom); IF comc1.xError THEN xCom1CloseError := TRUE; END_IF IF comc1.xDone OR comc1.xError THEN iState := 25; END_IF 25: // The first port is closed and the used handle released xTestDone := TRUE; xStartTest := FALSE; iState := 0; como1(xExecute := FALSE); comw1(xExecute := FALSE); comc1(xExecute := FALSE); ELSE iState := 0; END_CASE END_IF I realize as I write this that the .udiPort should be 0 and not 1, but that shouldn't be causing the issue I'm seeing. I'm forcing xStartTest:=TRUE every scan so that I can step into each line and observe what's happening. What I see is that the port parameters are set and the port is opened with no errors, but the code jumps out of the case structure to the last line every time it reaches (and I step into) the iState:=15 line (at the end of the iState:=0 block). So every scan cycle it goes through the block for iState=0 and jumps out at the same spot. I'm a little new to PLC programming so I may be misunderstanding the flow, but shouldn't this case structure keep moving down in the same scan? If it only handles one case per scan, why doesn't the value of iState persist? Thanks! Update: I restarted the Codesys control today and I was then able to see an error for como1.eError of "WRONG_PARAMETER". I tried doing some digging and another post made me think I should add another line to CODESYSControl_User.cfg, so I now have: [SysCom] Linux.Devicefile=/dev/ttyACM portnum := COM.SysCom.SYS_COMPORT1 So now when I set .udiPort to 1, I get "NO_ERROR" but I also don't read anything from the port (i.e. szRead = 0 always). If I try setting the port to 0 (which I'm confused about, because I added a COMPORT1 line but the device shows on the Pi as ACM0), I get the "WRONG_PARAMETER" error again. Is there an easier way to troubleshoot the Pi and view what ports the Codesys runtime is actually able to see while the Pi is running?
Last updated: 2024-06-06

Post by drbuzz on Communication Error (#0) for IFM controller ^{CODESYS Forge talk (Post)}
Hi Folks, Every time I use an IFM controller I always seem to run into a problem connecting to it. I get the Communications Error (#0). So I thought I would share some tips and tricks. Once the CANfox Cable (EC2112) cable driver is installed, you can use the yellow app in the sys tray to blink the lights on the cable. Confirm the cable works in the IFM maintenance software by connecting to the controller and reading the information on it. Make sure to download an OS into the controller (the light will go from a fast blink to solid green). In Codesys V2.3, the communication settings for the CR0401 is 250kBaud by default and Node ID 127. What got me, was I needed to reboot the computer after the cable driver install. Also if your application has canbus settings in it which are changed from default, after the controller is power cycled, the new Node ID and Baud will be in effect. I made a handy guide because too much time has been wasted on this. Programming IFM CR0401 Serial/Can Programming Cable • Connect IFM EC2112 CanFox programming cable with connector adapter. • Make sure cable is linked to VM (if using VM). • Install drivers for cable if not installed. o Download from IFM EC2112 site. https://www.ifm.com/ca/en/product/EC2112 • Once Installed, reboot computer. • In system tray, there should be a yellow icon that you can open and check on programming cable. Select the cable in the list and flash the lights to confirm it is working. Maintenance Software • Install IFM Maintenance Tool Software. o Download from IFM Site. https://www.ifm.com/ca/en/download/eco100_MaintenanceTool • Open IFM Maintenance software • Select Basic System • Select CAN cable • It will tell you if you don’t have a cable connected. • Use Wizard if needed. • Read Channel Parameter on the Settings page, or get Identity in the System Information > Identity. • Default Node is 127 on a new unit. Baud is 250kBaud (bits/sec) • Controller information should populate. • Controller green light should be blinking at 5hz (meaning OK but no OS, just bootloader). • Click Software > Load. • Open the OS file. Should match Codesys version selection (for CR0401 this is version 3). o Download OS file from IFM Website. https://www.ifm.com/ca/en/product/CR0401 o It is located at the top of the download under “software for CR0401”. o Select the file and load it… this will take a minute. • Once completed the unit should now have a solid green light o Solid green means the controller has an OS but no application is running. Codesys V2.3 Application • Codesys needs to be downloaded and installed from the IFM website as it has the IFM libraries and license to use the software. o Download from the IFM CR0401 page. o https://www.ifm.com/ca/en/product/CR0401 • Create new application with the correct IFM controller or Open Codesys application. • Keep in mind that the PLC Configuration on the Resources tab can be changed for the CAN communication interface… so changes to node and baud will take effect after the first download and reboot of the controller. • Go to “Online” in the top menu and change “Communication Parameters” o The Local dropdown shows the last configuration used. All other interfaces will show below it and need to be updated when changed or used. o Confirm Node ID is 127 for the first download.  The NodeID will change to whatever the program has after (in my case 125).  Node Send Offset should be default at 1536  Node Recv Offset should be default at 1408  Can bus Baudrate should be 250 kbaud.  Yes to Motorola Byte Order  Block Transfer should be false and note used (60 is default setting).  Can Card Driver should match the systray item which is Sie_USB. • If the system populated the other one, just update and relay the communication parameters. The software will usually bring up the available cable and driver. • Go to “Online” and Login to download. o Press Yes to Download Application. I hope this helps!
Last updated: 2025-03-21

Post by mogam on Internal error:System.NullReferenceException: The object reference was not set to an object instance. ^{CODESYS Forge talk (Post)}
Hi everyone, I have a my App that reads values from a shared memory than 2 variables x,y were calculated. here as you can see in my code: PROGRAM PLC_PRG VAR szName : STRING := '/SM'; ( Name of the shared memory.) uxiSize : __UXINT := 646 * 2 * SIZEOF(REAL); ( Size of the shared memory. ) hShm : RTS_IEC_HANDLE; ( Handle to the shared memory ) pStart : POINTER TO REAL; ( Pointer to the first element in the memory ) pData : POINTER TO REAL; ( Pointer, which is incremented until the last sign in the memory is reached. ) shared_data :ARRAY[0..645, 0..1] OF REAL; velocity : ARRAY[0..2] OF REAL; ( Velocity array ) position : ARRAY[0..2] OF REAL; ( Position array ) angleDepth : ARRAY[0..645, 0..1] OF REAL; ( Angle and depth array ) xEndOfMemory : BOOL; x : ARRAY[0..645] OF REAL := 1.0; y : ARRAY[0..645] OF REAL := 1.0; (* Result of actions at the memory. *) OpenResult : RTS_IEC_RESULT; ReadResult : RTS_IEC_RESULT; PointerResult : RTS_IEC_RESULT; DeleteResult : RTS_IEC_RESULT; CloseResult : RTS_IEC_RESULT; i : INT; END_VAR ( Open the shared memory ) hShm := SysSharedMemoryOpen2(szName, 0, ADR(uxiSize), ADR(OpenResult)); IF hShm <> RTS_INVALID_HANDLE THEN (* Read the entire shared memory table *) SysSharedMemoryRead(hShm:= hShm, ulOffset:= 0, pbyData:= ADR(shared_data), ulSize:= uxiSize, pResult:= ADR(ReadResult)); (* Fetch the pointer from the shared memory. The pointer is pointing to the first element address *) //pStart := SysSharedMemoryGetPointer(hShm, ADR(PointerResult)); (* Close the shared memory *) //CloseResult := SysSharedMemoryClose(hShm := hShm); (* Read velocity and position data from the shared memory *) FOR i := 0 TO 2 DO velocity[i] := shared_data[i, 0]; position[i] := shared_data[i, 1]; END_FOR; (* Read angle and depth data from the shared memory *) FOR i := 0 TO 645 DO angleDepth[i, 0] := shared_data[(i + 6), 0]; angleDepth[i, 1] := shared_data[(i + 6), 1]; END_FOR; FOR i := 0 TO 645 DO x[i] := angleDepth[i, 1]*COS(angleDepth[i, 0]); y[i] := angleDepth[i, 1]*SIN(angleDepth[i, 0]); END_FOR; END_IF For these values an XY-CHART needs to be done and when i create a visualisation and set the x data and y data when i try to compile, i recieve this error: ------ Übersetzungslauf gestartet: Applikation: Device.Read_App ------- Code typisieren ... [FEHLER] Internal error:System.NullReferenceException: Der Objektverweis wurde nicht auf eine Objektinstanz festgelegt. bei _3S.CoDeSys.LanguageModelManager.LDateType.Accept(ITypeVisitor typvis) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..
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(Guid , Boolean , Boolean , Boolean , Boolean& , _ICompileContext& , _ICompileContext& , IProgressCallback , Boolean , Boolean ) Kompilierung abgeschlossen -- 1 Fehler, 0 Warnungen Übersetzung abgeschlossen -- 1 Fehler, 0 Warnungen : Kein Download möglich!
Last updated: 2024-05-24

Post by mogam on Internal error:System.NullReferenceException: The object reference was not set to an object instance. ^{CODESYS Forge talk (Post)}
Hi everyone, I have a my App that reads values from a shared memory than 2 variables x,y were calculated. here as you can see in my code: PROGRAM PLC_PRG VAR szName : STRING := '/SM'; ( Name of the shared memory.) uxiSize : __UXINT := 646 * 2 * SIZEOF(REAL); ( Size of the shared memory. ) hShm : RTS_IEC_HANDLE; ( Handle to the shared memory ) pStart : POINTER TO REAL; ( Pointer to the first element in the memory ) pData : POINTER TO REAL; ( Pointer, which is incremented until the last sign in the memory is reached. ) shared_data :ARRAY[0..645, 0..1] OF REAL; velocity : ARRAY[0..2] OF REAL; ( Velocity array ) position : ARRAY[0..2] OF REAL; ( Position array ) angleDepth : ARRAY[0..645, 0..1] OF REAL; ( Angle and depth array ) xEndOfMemory : BOOL; x : ARRAY[0..645] OF REAL := 1.0; y : ARRAY[0..645] OF REAL := 1.0; (* Result of actions at the memory. *) OpenResult : RTS_IEC_RESULT; ReadResult : RTS_IEC_RESULT; PointerResult : RTS_IEC_RESULT; DeleteResult : RTS_IEC_RESULT; CloseResult : RTS_IEC_RESULT; i : INT; END_VAR ( Open the shared memory ) hShm := SysSharedMemoryOpen2(szName, 0, ADR(uxiSize), ADR(OpenResult)); IF hShm <> RTS_INVALID_HANDLE THEN (* Read the entire shared memory table *) SysSharedMemoryRead(hShm:= hShm, ulOffset:= 0, pbyData:= ADR(shared_data), ulSize:= uxiSize, pResult:= ADR(ReadResult)); (* Fetch the pointer from the shared memory. The pointer is pointing to the first element address *) //pStart := SysSharedMemoryGetPointer(hShm, ADR(PointerResult)); (* Close the shared memory *) //CloseResult := SysSharedMemoryClose(hShm := hShm); (* Read velocity and position data from the shared memory *) FOR i := 0 TO 2 DO velocity[i] := shared_data[i, 0]; position[i] := shared_data[i, 1]; END_FOR; (* Read angle and depth data from the shared memory *) FOR i := 0 TO 645 DO angleDepth[i, 0] := shared_data[(i + 6), 0]; angleDepth[i, 1] := shared_data[(i + 6), 1]; END_FOR; FOR i := 0 TO 645 DO x[i] := angleDepth[i, 1]*COS(angleDepth[i, 0]); y[i] := angleDepth[i, 1]*SIN(angleDepth[i, 0]); END_FOR; END_IF For these values an XY-CHART needs to be done and when i create a visualisation and set the x data and y data when i try to compile, i recieve this error: ------ Übersetzungslauf gestartet: Applikation: Device.Read_App ------- Code typisieren ... [FEHLER] Internal error:System.NullReferenceException: Der Objektverweis wurde nicht auf eine Objektinstanz festgelegt. bei _3S.CoDeSys.LanguageModelManager.LDateType.Accept(ITypeVisitor typvis) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..
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(_ICompileContext , _IPreCompileContext , _ICompileContext , IProgressCallback ) bei _3S.CoDeSys.Compiler35140.Compiler.
(_ICompileContext , Boolean , Boolean , _IPreCompileContext , _IPreCompileContext , _ICompileContext , Boolean , Boolean& , IProgressCallback ) bei _3S.CoDeSys.Compiler35140.Compiler.
(Guid , Boolean , Boolean , Boolean , Boolean& , _ICompileContext& , _ICompileContext& , IProgressCallback , Boolean , Boolean ) Kompilierung abgeschlossen -- 1 Fehler, 0 Warnungen Übersetzung abgeschlossen -- 1 Fehler, 0 Warnungen : Kein Download möglich!
Last updated: 2024-05-24

Post by lsislsis on SIGABRT Error ^{CODESYS Forge talk (Post)}
Please help us. Why we take this errors. We try different versions like 4.12.0 and 4.13.0 with same results. ;*********;<loggername>codesyscontrol.log</loggername>;<logoptions>; <enable>1</enable>; <type>normal</type>; <timestamp>rtc high resolution</timestamp>; <deactivatable>0</deactivatable>; <dump>always</dump>; <filter>0x0000000f<filter>; <maxentries>100000</maxentries>; <maxfiles>1</maxfiles>; <maxfilesize>1000000</maxfilesize>;</filter></filter></logoptions>;<entries>;Timestamp, CmpId, ClassId, ErrorId, InfoId, InfoText;ClassId: LOG_INFO =1;ClassId: LOG_WARNING =2;ClassId: LOG_ERROR =4;ClassId: LOG_EXCEPTION =8;ClassId: LOG_DEBUG =16;ClassId: LOG_PRINTF =32;ClassId: LOG_COM =64;</entries>;*********2024-11-05T08:23:59.728Z, 0x0000100c, 1, 0, 0, VisuFctCheckForUnusedClients: Removing Client with IEC-ID: 1 Time delta: T#33s1ms Locks: Paintbuffer: TRUE 2024-11-05T08:23:59.728Z, 0x0000100c, 1, 0, 0, VisuFctCheckForUnusedClients: Successfully Removed Client at Address: 547195449944, IEC-ID was: 1, EXT-ID: 431000373 2024-11-05T08:28:57.913Z, 0x0000100c, 1, 0, 0, Visu_PRG: Creating Client for Extern-ID: 347055752 2024-11-05T08:28:57.926Z, 0x0000100c, 1, 0, 0, Visu_PRG: Creating Client successful for Extern-ID: 347055752 Returned IEC-ID: 1 2024-11-05T08:30:51.103Z, 0x0000100c, 1, 0, 0, Visu_PRG: Successfully Removed Client with IEC-ID: 1, Extern-ID: 347055752 2024-11-05T08:37:36.517Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state* We recommend a reboot of the controller now! 2024-11-05T08:37:36.517Z, 0x00000111, 8, 260, 3, #### Exception: HANDLED EXCPT <excpt>NonContinuable</excpt> in CH_COMM_CYCLE 2024-11-05T08:47:42.117Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T08:47:42.117Z, 0x00000111, 8, 260, 3, #### Exception: HANDLED EXCPT <excpt>NonContinuable</excpt> in CH_COMM_CYCLE 2024-11-05T09:14:41.316Z, 0x00000071, 1, 0, 13, Webserver stopped 2024-11-05T09:14:44.485Z, 0x0000013d, 1, 0, 4, Number of licensed cores for IEC-tasks: 1 from 4 2024-11-05T09:14:44.487Z, 0x0000013d, 1, 0, 4, Number of licensed cores for IEC-tasks: 4 from 4 2024-11-05T09:14:44.540Z, 0x00000002, 1, 0, 2, Application [<app>Application</app>] loaded via [Download] 2024-11-05T09:14:55.894Z, 0x00001012, 1, 0, 0, Opened alarm storage file, version: 6 2024-11-05T09:14:55.951Z, 0x0000100c, 1, 0, 0, Visuinitialization starting. 2024-11-05T09:14:55.983Z, 0x0000100c, 1, 0, 0, Visuinitialization done. 2024-11-05T09:14:55.995Z, 0x00000071, 1, 0, 12, Webserver started 2024-11-05T09:15:01.753Z, 0x0000100c, 1, 0, 0, Visu_PRG: Creating Client for Extern-ID: 2279884529 2024-11-05T09:15:01.753Z, 0x0000100c, 1, 0, 0, Visu_PRG: Creating Client successful for Extern-ID: 2279884529 Returned IEC-ID: 0 2024-11-05T09:34:44.667Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T09:34:44.667Z, 0x00000111, 8, 260, 3, #### Exception: More than 2 exceptions in CH_COMM_CYCLE: Stop logging 2024-11-05T10:13:26.867Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T10:15:21.966Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T10:19:12.167Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T10:26:02.566Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T10:31:42.866Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T11:01:54.468Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T11:09:29.868Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T11:14:44.540Z, 0x0000100d, 1, 0, 0, Demo mode expired. 2024-11-05T11:27:20.868Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! * Regards
Last updated: 2024-11-05

Post by kevintumibay on Struggling to connect to EK1100 to Raspberry Pi ^{CODESYS Forge talk (Post)}
SUMMARIZED VERSION OF QUESTION: I'm trying to connect a Raspberry Pi running "Codesys Control for Raspberry Pi" to a Beckhoff EK1100, unfortunately, when I try to connect I get the following messages SEE FIRST PICTURE DETAILED VERSION OF QUESTION: Hi everyone, I'm a college student that is super interested in learning about PLCs. I wanted to dive into the subject and decided to follow this great Instructables article: https://www.instructables.com/Programming-Raspberry-Pi-With-CODESYS/ Thank you in advance for your help! My current setup is as follows: 1. I have Codesys Control for Raspberry Pi, version 4.14.0.0, (https://store.codesys.com/en/codesys-control-for-raspberry-pi-sl.html) installed on a Raspberry Pi 3B. 2. I am using my smartphone hotspot to create a network. 3. I have CODESYS 3.5 SP21 (64 bit) installed on my Windows 11 laptop. 4. Both the Raspberry Pi and my laptop are connected to the smartphone hotspot network (I am wirelessly connecting to the Raspberry Pi). Connecting to the Raspberry Pi from CODESYS on my laptop: 1. I launch Codesys Installer -> I install Codesys Control for Raspberry Pi (link to the software). 2. I launch Codesys 3.5 SP21 (64 bit) on my laptop. 3. I go to file --> new project --> standard project --> in the pop-up I select "Codesys Control for Raspberry Pi" and "Structured Text" 4. I click on tools -> Deploy Control SL (on older versions of Codesys you would click on "update Raspberry Pi", I got that information from this video: link) 5. Inside Deploy Control SL --> I go to the "communication" menu and I input the IP address of my Pi, the password, and click on connect. 6. Inside Deploy Control SL --> I go to the "deployment" menu and I install Codesys Control for Raspberry Pi SL and Codesys Edge Gateway for Linux 7. Now I double click on "device" in the left hand tree and put in the IP address of my Raspberry Pi and click on connect --> success! I am able to connect! SEE SECOND PICTURE Powering the EK1100 and connecting it to the Raspberry Pi: 1. I am supplying the EK1100 with 24 V across the + and - pins. 2. I have jumper wires going from the + pin to the 24V pin and from the - pin to the 0V pin. SEE THIRD PICTURE 4. I am pretty confident that the EK1100 is receiving power because the "LED Us 24 V" and "LED Up 24 V" are lighting up. 5. I then run an ethernet cable from the EK1100 to the Raspberry Pi port (the Raspberry Pi is connected to my laptop wirelessly over WiFi). I think this connection should also be good since the LINK/ACT LED lights up. Trying to connect to the EK1100: 1. Back in Codesys I right-click on "Device" in the left tree and then in the pop up I click on "add device". 2. I then click on EtherCAT Master. 3. Next in a terminal window I SSH into the raspberry Pi and run the "ifconfig" command. 4. From there I get the MAC address for eth0 --> in my case: b8:27:eb:29:a9:25 5. Then, back in Codesys I double click on "EtherCAT Master" in the left hand tree. I then paste the MAC address into the "Source Address (MAC)" field. 6. I go to the Beckhoff official website and download the XML files for EtherCAT: https://www.beckhoff.com/en-en/products/i-o/ethercat-terminals/ek1xxx-bk1xx0-ethercat-coupler/ek1100.html? 7. I unzip those files in my computer into some folder that I can remember. 8. Back in Codesys I click on "Tools" --> "Device Repository" --> "Install" --> and then on the "Beckhoff EK11xx.XML" file. 9. In theory the necessary XML file is now installed. 10. THIS IS WHERE I RUN INTO THE PROBLEM: I then click on login --> I right click on EtherCAT_Master and then scan for devices --> and nothing. 11. It just doesn't detect it. On top of this whenever I login I get those orange triangles on the left on my tree. When I check the Log I get the messages at the very first screenshot of this post. SEE FOURTH PICTURE Solutions that I have tried to resolve this problem: 1. I thought it was maybe the .XML file so I installed all the .XML files from the EtherCAT folder that I downloaded. That didn't fix it. 2. I went on the Wayback Machine and got the .XML files from 2018 as I thought maybe an older version would work. This file of EtherCAT folders had a .XML file named "Beckhoff EKxxxx.XML" I thought this would work because that's the name of the file the guy in the Instructables used (https://www.instructables.com/Programming-Raspberry-Pi-With-CODESYS/). That didn't do anything. 3. I ran the PLC on my computer instead of the Raspberry Pi and tried to connect to the EK1100, in case the issue was with the Raspberry Pi, but I still ran into the same error from the picture above: "Attention! The device was not found in the repository. Vendorcode: 0x0. Productcode: 0x0. Revision: 0x0". SEE FIFTH PICTURE 4. I reinstalled Codesys, I was originally on version 3.5 SP20 when I did this, I upgraded to 3.5 SP21 with no success. 5. I then thought the solution might be to first add the EK1100 hardware before connecting so I did the following: 6. Right click on "EtherCAT Master" on the left hand tree --> then click on "add device" --> then I added the "EK1100 EtherCAT Coupler (2A E-Bus)" MY THEORY OF WHAT IS CAUSING THE PROBLEM: I asked ChatGPT for help and it said that it might have something to do with the revision number. On the physical EK1100 it says "Rev. Nr.: 0018". I believe that this means that I need to a revision 0018 XML file but if you look in Codesys it says the version is 16 (picture above). This is confusing because I got my .XML file from the official Codesys website so it should be the most up to date version possible. I searched and I searched and I couldn't find a version 18 .XML file, I don't even now if this exists. Any help you can provide is greatly appreciated, I don't know what to do anymore and I really really want to get this working. Thank you!
Last updated: 2025-03-30

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