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Micro820 to com with Idec HMI

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Hey folks,

I'm currently working on an Idec HG2G HMI to a Micro 820 PLC via Modbus TCIP . HMI set as client. 

I am having errors on the HMI that suggest the PLC is sending odd info that it does not understand.

(Communication error:READ ID:00h 0) then No reply from Ext. device.Confirm PLC, Cable, Com. settings. 

Anyone out there ever worked a AB Micro 820 PLC with a Idec HG2G HMI?

According to Modbus RTU it should work but I'm having no luck. 

Thanks 

 

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New here. Just hit the same situation. Any luck discovering what triggered and, more importantly, how to rectify this issue (ID: 00h 0)?

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