Publish option always true when adding library from script ^{CODESYS Forge talk (Thread)}
Publish option always true when adding library from script
Last updated: 2012-09-12

Inputs nicht nutzbar bzw. dauerhaft auf "true"? ^{CODESYS Forge talk (Thread)}
Inputs nicht nutzbar bzw. dauerhaft auf "true"?
Last updated: 2021-06-19

Inputs nicht nutzbar bzw. dauerhaft auf "true"? ^{CODESYS Forge talk (Thread)}
Inputs nicht nutzbar bzw. dauerhaft auf "true"?
Last updated: 2016-07-15

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 eschwellinger on Generic EtherCAT slave ^{CODESYS Forge talk (Post)}
Sure, import the ESI file, scan the slave access the PDOs.
Last updated: 2024-05-14

Post by winki on Scan Network on gateway created with Control Sl ^{CODESYS Forge talk (Post)}
Thx it is working !
Last updated: 2024-10-23

Post by mmpl on Array to String ^{CODESYS Forge talk (Post)}
I would like to create one large JSON string from an array of objects, where each object contains a value. My current approach involves using a for loop and string concatenation, but with 20,000 elements in the array, this method takes almost 7 seconds and negatively affects the PLC scan time. Is there a more efficient way to accomplish this?
Last updated: 2024-07-18

Post by mmpl on Array to String ^{CODESYS Forge talk (Post)}
I would like to create one large JSON string from an array of objects, where each object contains a value. My current approach involves using a for loop and string concatenation, but with 20,000 elements in the array, this method takes almost 7 seconds and negatively affects the PLC scan time. Is there a more efficient way to accomplish this?
Last updated: 2024-07-18

Same program to more than one PLC ^{CODESYS Forge talk (Thread)}
Same program to more than one PLC
Last updated: 2023-08-25

Two drives on one axis, Gantry Robot ^{CODESYS Forge talk (Thread)}
Two drives on one axis, Gantry Robot
Last updated: 2023-08-25

Enum with textlist support shows only one symbol ^{CODESYS Forge talk (Thread)}
Enum with textlist support shows only one symbol
Last updated: 2022-12-15

Update device version to the latest one. ^{CODESYS Forge talk (Thread)}
Update device version to the latest one.
Last updated: 2018-01-08

Defining two variable in one rectangle box in Visualization ^{CODESYS Forge talk (Thread)}
Defining two variable in one rectangle box in Visualization
Last updated: 2017-04-22

Codesys BeagleBone rev C - All in one (PLC and HMI) ^{CODESYS Forge talk (Thread)}
Codesys BeagleBone rev C - All in one (PLC and HMI)
Last updated: 2020-06-04

display data from 2 codesys plc on one web browser ^{CODESYS Forge talk (Thread)}
display data from 2 codesys plc on one web browser
Last updated: 2019-03-14

Install all sub-complied library in one library. ^{CODESYS Forge talk (Thread)}
Install all sub-complied library in one library.
Last updated: 2016-04-25

OPC - two channels for one client application ^{CODESYS Forge talk (Thread)}
OPC - two channels for one client application
Last updated: 2009-12-05

Reset an Array[] in one line, possible? ^{CODESYS Forge talk (Thread)}
Reset an Array[] in one line, possible?
Last updated: 2013-03-22

More than one EthernetIP adapter in a project? ^{CODESYS Forge talk (Thread)}
More than one EthernetIP adapter in a project?
Last updated: 2019-12-02

One time execution in ST code ^{CODESYS Forge talk (Thread)}
One time execution in ST code
Last updated: 2016-03-14

Codesys SFC 2 varibles in one transistion ^{CODESYS Forge talk (Thread)}
Codesys SFC 2 varibles in one transistion
Last updated: 2015-02-10

No temp reading with one wire DS18B20 ^{CODESYS Forge talk (Thread)}
No temp reading with one wire DS18B20
Last updated: 2015-02-23

remote control of many ppc from one .... best way ^{CODESYS Forge talk (Thread)}
remote control of many ppc from one .... best way
Last updated: 2012-05-23

one gvl - two pou's - silly noob problem ^{CODESYS Forge talk (Thread)}
one gvl - two pou's - silly noob problem
Last updated: 2019-03-22

Disable digital input one at a time ^{CODESYS Forge talk (Thread)}
Disable digital input one at a time
Last updated: 2020-06-05

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