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Omron PLC - PLC via SCU41

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Hi All, I have 2 CJ2 PLCs with SCU serial cards, they are connected via pair of RS232 serial data radios. I need very simple comms between them, write maybe 5-10 words from PLC B to PLC A. PLC B serves as a remote IO gathering device. I was told that I need to use CX-Protocol to create a protocol macro between the PLCs. I never worked with CX-Protocol and I'm a bit unsure what to do. Could someone point me to the right direction on how to set up the serial comms between two CJ2 PLC with SCU cards?

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You can use the RECV2 instruction with the CJ2. PMCR for this would almost be overkill. You would set the RECV2 instruction up to read a specific data area from the other PLC, its basically a canned FINS instruction. Hope this helps. Dylan

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Thanks Dylan, RECV2 function seems pretty straight forward. Could you please guide me through the cards setup? Do I need to do any additional setup to the SCU cards to assign a FINS node number on it?

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