CLICK Programming Software questions & answers

Program the functionality of the CLICK PLCs from a PC
P
Question by PLCJohn
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August 22, 2024

I made an emergency visit to a customer who has a Click PLC connected to a Maple Systems touch screen. Since my software is newer than the software that was originally used I had to update the program when I read it from the PLC. I had to make a minor change. When I went to write the program back into the PLC I was forced to upgrade the firmware. No I don't get any values on the Maple system OIT and I can't set any setpoints. Did my MODBUS addresses get changed with the newer version of software and/or firmware?

Pooja Bajaj
Answer by Pooja Bajaj

When you upgrade the firmware or software for a CLICK PLC, it is possible that certain settings or configurations, like MODBUS addresses or port configurations, may get reset or changed. It is recommended to check the MODBUS settings in the updated project file to ensure they match the original configuration. Make sure that the addressing and port settings align with those expected by the Maple Systems touch screen. You may need to manually adjust these settings back to their original state, if necessary, to restore communication between the PLC and the touch screen.

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