DR Elect

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About DR Elect

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  1. 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