Post by timvh on Case Function - Multiple Conditions, Is it possible?
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This is not possible. Possible solution could be: CASE var1 OF 10: CASE var2 OF 10:; 20:; END_CASE 20: CASE var2 OF 10:; 20:; END_CASE ELSE ; END_CASE
Last updated: 2024-11-05
Post by oudom on Missing Button State Variable
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My CODESYS 3.5 SP16 Patch 4 in the visualization Button property missing a configuration Button state variable. How do we activate the Button State Variable in the visualization as shown in the attach document?
Last updated: 2024-10-04
Post by gseidel on MC_Phasing state explenation
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Hi kenth1973, MC_Phasing has been improved in recent versions. I would recommend to install the latest version of SoftMotion (4.20.1.0) and test whether the problem still exists, and if so, what the error identifier is. (Also check the PLC log in this case, it might contain additional information.) Setting the internal state of the FB is not recommended, it could lead to malfunction of the FB and unintended movements of the drive. Best regards, Georg
Last updated: 2025-11-28
Trying to negate Boolean values inside of a case statement
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Trying to negate Boolean values inside of a case statement
Last updated: 2021-10-29
what to do in case of a writing error to eeprom
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what to do in case of a writing error to eeprom
Last updated: 2020-11-26
Showing nothing instead the %f in case another variable is empty
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Showing nothing instead the %f in case another variable is empty
Last updated: 2022-05-19
ST Condition " CASE... OF" is not working in CoDesys SP RTE
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ST Condition " CASE... OF" is not working in CoDesys SP RTE
Last updated: 2023-06-30
Post by eschwellinger on OMAC PackML library 1.0.04
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see here this example: https://store.codesys.com/de/omac-packml-state-machine.html
Last updated: 2024-08-16
Post by masterofplc on Unrecoverable SoftMotion state after switch to PreOp
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Hi. i have the same problem. Thank you
Last updated: 2024-11-15
Post by milan-svarny on Redundancy problem - primary PLC suddenly goes to simulation state
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Last updated: 2025-06-18
Post by eschwellinger on Unrecoverable SoftMotion state after switch to PreOp
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i would recommend to check the plc log..
Last updated: 2025-10-23
Post by kenth1973 on MC_Phasing state explenation
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My MC_Phasing FB was stuck in iPhasingState=1 and error output HIGH on one axis. I could manually overwrite the state to 0 in the instance data. During normal run I see the state change from 0 to 10 to 100 back to 0 (maybe more states that I couldnt catch with the naked eye) But - what are the states numbers and their different explenations? This is not explained in the FB guide on codesys. (the pictures show state = 0 after I reset)
Last updated: 2025-11-22
Post by awarginaire on Codesys state running automatically
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Hello, I would like the PLC to open automatically in etat running. I have created a boot project but on startup the state is always stopped. What should I do?
Last updated: 2024-01-18
Post by eschwellinger on Errors by Code Generate
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yes no error in my case.
Last updated: 2024-02-17
Post by nz-dave on Bool turning on in case stament in wrong state?
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I had the FB called via a for loop to call a few instances of my FB I have removed it the for loop and just called them 1 by 1. Seems to have sorted the problem. tho, i have other FB's and for loops doing the same thing but they are all fine. below is basically what was happening. var: mVibrator : ARRAY[1..GVL_Settings.Number_Of_Products] OF Main_Vibrator; end_var Controller(PRG) call: FOR v := 1 TO GVL_Settings.Number_Of_Products BY 1 DO; mVibrator[v] (); END_FOR So at state 30: the mVibrator[1].start was turning on 30: Main_Mixer.Start := TRUE; Process_State := 2; IF Main_mixer.Done THEN Main_Mixer.Start := FALSE; Control_State := 40; END_IF but its not till state 50: that it is actual in the code. 50: Main_Suction_valve.Open_Input := TRUE; mVibrator[1].Start := TRUE; Process_State := 4; IF GVL_Weigh_hopper.LoadCell_Weight = 0 THEN Main_Suction_valve.Open_Input := FALSE; mVibrator1.Start := FALSE; Control_State := 60; END_IF Thanks for your input.
Last updated: 2023-12-16
Post by andre-luis on Check if Codesys runtime is on 'Running' or 'Stopped' state?
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It's already there, the service get started as default. I missed to say that sometimes it happens w/o even the system get restarted. Anyway, the main issue here is to know the state of the runtime. We collect a lot of informations about the whole system, and it would be nice to have a way to detect the runtime state.
Last updated: 2024-07-02
Post by mubeta on Some 'pathetic' errors in SoftMotion program
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Yes, this is the error the sometimes show up. What make me crazy is the fact that it happens randomly and not each times. I know very well where the problem is, in wich one program row it's located. For each actions of the state machine I have all events recorded with log on text file. it is not problematic for me to find the application point of the fault, but I need to understand why occasionally and for no apparent reason, switching the state machine and thus changing the motion FB, sends the axis into failure (but only occasionally). For example, one case that is often problematic is the execution of the Axis Halt instruction. When, after a MoveAbosulte instruction this returns the event as 'done' and indeed the axis is in standstill, the state machine first sets the move instruction to FALSE, and the next cycle sets the Halt request to TRUE. Some of the time everything works out fine. Occasionally, however, in this exchange, the axis goes into fault, also losing the OPERATIONAL state. Meanwhile, I would like to understand why the motion FB instances must still be called even after the Execute is set to FALSE, especially in view of the fact that the next instruction is programmed to abort the previous one, with BufferMode set to 'Aborting'. All these unnecessary FB calls are an unnecessary overhead on the CPU anyway. Is there any precise rule about when to cease calling the various instances? (It should precisely be the 'done' status that says this one has finished its work).
Last updated: 2024-07-18
Post by mos89p on Check if Codesys runtime is on 'Running' or 'Stopped' state?
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why not put it on windows startup ? to start at each start
Last updated: 2024-07-02
Post by dkugler on Step motor ECT60 Ethercat in codesys 3.5
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double click the master and the ECT60 and have a look what's shown in the tap online, state and log?
Last updated: 2024-08-14
Post by timvh on Alarm Configuration Notification Action
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If it is a BOOL, then use: ...Error_Active := ALARM BOOL: ALARM INT: STATE
Last updated: 2024-05-14
Post by fazlinda on AWS IoT core CODESYS
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Hi, Im having a problem sending a data from my structure text code from codesys to aws. Instead of receiving {state {reported {data: 123}}} It display {state {reported {data: 123}}}\x00 \x00 \x00 \x00 \x00 \x00 \x00 Please help me solve this issues. how to remove \x00 ?
Last updated: 2023-12-06
Post by fazlinda on AWS IoT core CODESYS
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Hi, Im having a problem sending a data from my structure text code from codesys to aws. Instead of receiving {state {reported {data: 123}}} It display {state {reported {data: 123}}}\x00 \x00 \x00 \x00 \x00 \x00 \x00 Please help me solve this issues. how to remove \x00 ?
Last updated: 2023-12-06
Post by fazlinda on AWS IoT core CODESYS
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Hi, Im having a problem sending a data from my structure text code from codesys to aws. Instead of receiving {state {reported {data: 123}}} It display {state {reported {data: 123}}}\x00 \x00 \x00 \x00 \x00 \x00 \x00 Please help me solve this issues. how to remove \x00 ?
Last updated: 2023-12-06
Post by fazlinda on AWS IoT core CODESYS
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Hi, Im having a problem sending a data from my structure text code from codesys to aws. Instead of receiving {state {reported {data: 123}}} It display {state {reported {data: 123}}}\x00 \x00 \x00 \x00 \x00 \x00 \x00 Please help me solve this issues. how to remove \x00 ?
Last updated: 2023-12-06
Post by fazlinda on AWS IoT core CODESYS
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Hi, Im having a problem sending a data from my structure text code from codesys to aws. Instead of receiving {state {reported {data: 123}}} It display {state {reported {data: 123}}}\x00 \x00 \x00 \x00 \x00 \x00 \x00 Please help me solve this issues. how to remove \x00 ?
Last updated: 2023-12-06
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