Hi guys
I have an issue on a micrologix 1400 1766-L32BXB , this morning I had an issue with 2 outputs on the base unit stuck open (constant supply)
The two outputs in question enigize 2 relays R2 & R3 this then operates the run signal to 2 inverter?
I check out the wiring for feed back ? Which could cause emi to the plc - nothing wrong??
I changed the plc and after a hour R 2 coil signal was stuck open ??
I can’t find anything wrong though?
Do you think I should put a diode across the relay so we don’t get a surge back to the plc??
Thanks Stu
I have an issue on a micrologix 1400 1766-L32BXB , this morning I had an issue with 2 outputs on the base unit stuck open (constant supply)
The two outputs in question enigize 2 relays R2 & R3 this then operates the run signal to 2 inverter?
I check out the wiring for feed back ? Which could cause emi to the plc - nothing wrong??
I changed the plc and after a hour R 2 coil signal was stuck open ??
I can’t find anything wrong though?
Do you think I should put a diode across the relay so we don’t get a surge back to the plc??
Thanks Stu