Post by imdatatas on Remote to PLC device in City-B from City-A
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Hello, In an example scenario like below figure, can the developer in City-A connect to the device in City-B remotely using only "Codesys Automation Server" and "Edge Gateway" with the following structure? If no, what should be done with Automation Server for this remote connection requirement? If yes, how should it be configured for this remote connection requirement? Thank you in advance for your answers. Regards, Imdat
Last updated: 2025-02-04
Post by yannickasselin on Dynamically enabling/disabling Modbus slave devices in runtime (performance issue with timeouts)
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I would definitely try using the "Reconfigure" function block from "CAA Device Diagnosis@ library. https://content.helpme-codesys.com/en/libs/CAA%20Device%20Diagnosis/3.5.17.0/CAA-Device-Diagnosis/Function-Blocks/Reconfigure/Reconfigure.html#:~:text=This%20function%20block%20reads%20and,take%20effect. Although I have not tried it with Modbus, I had great success with EtherNet/IP, Profinet and EtherCAT. You can also have a look at the other functions in this library. There are useful functions to help iterate through all the nodes under a master node.
Last updated: 2025-08-12
Post by takashi on CODESYSControlWinCE Crash
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Hey all CODESYS-experts. I'm at a customer site, and we hade a power-failure and one of the devices apparently runs codesys and has crashed. It's an old device (out of warranty) that is bought many years ago. Now this device doesn't seem to boot. Any idea what to do in this case? We have access to the drive so we have access to the files. See screenshots.
Last updated: 2024-01-23
Post by alez on CANOpen SDO to write VISIBLE STRING
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Hello, I am experiencing difficulties in configuring a CANopen device by sending SDOs. In particular I am attempting to write an Object Dictionary that has VISIBLE STRING as the Data Type. When I try to configure the sending of an SDO from Codesys to configure this parameter I am not allowed to enter a string value. In my particular case I am trying to change the Manufacturer Device Name ( Index 0x1008 ). Could it be that Codesys doesn't manage these types of variables?
Last updated: 2024-04-29
Loading a file
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Loading a file
Last updated: 2016-03-14
Rotating a bar display?
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Rotating a bar display?
Last updated: 2020-01-29
Create a Motion Profile
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Create a Motion Profile
Last updated: 2023-11-30
Monitor a Can J1939
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Monitor a Can J1939
Last updated: 2025-01-15
Help for a newbie
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Help for a newbie
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Reading a negative number
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Reading a negative number
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Reinitialise a SFC
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Reinitialise a SFC
Last updated: 2006-02-13
A+ support
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A+ support
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Deleting a function block
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Deleting a function block
Last updated: 2011-10-28
Drag a button
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Drag a button
Last updated: 2022-05-16
Jump to a process
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Jump to a process
Last updated: 2020-12-10
Creating a library
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Creating a library
Last updated: 2014-06-25
Acknowledge a CanOpen node
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Acknowledge a CanOpen node
Last updated: 2021-04-28
Copying a struct
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Copying a struct
Last updated: 2018-02-22
Connecting to a Rpi2
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Connecting to a Rpi2
Last updated: 2015-10-28
Memory of a PLC
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Memory of a PLC
Last updated: 2018-11-15
Casting a function block
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Casting a function block
Last updated: 2021-04-27
Communication problem AENT1734-A
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Communication problem AENT1734-A
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defining a Struct
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defining a Struct
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inheritance / extending a datatype
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inheritance / extending a datatype
Last updated: 2020-05-17
recipe in a pendrive
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recipe in a pendrive
Last updated: 2018-12-11
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