communication failure

R

Thread Starter

renjith

Dear all,,

We have a communication problem with master and slave.
We are using Schneider modicon M340 plc to control the generators.
There are 7 generators. It has separated in two groups. generator no. 1, 3, 5, 7 in one group and generator no. 2, 4, 6 are in other group.

In HMI 2, 4, 6 are showing communication failure Message and it can't be reset. Checked all Plcs are running normal, and also we can start/ stop all generators through HMI . kindly advise me what will be the problem?
 
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