Hi, 

In my project there is fail safe redundant  analog input card (SM336) connected  to a 3 wire transmitter through 6 channel MTA. 

When I remove the front connector of one module, the redundantly connected module channel value got disturbed.the 3 wire transmitter was simulated through potentiometer. 

Please guide to resolve me in this issue

Thanks 

Rasik

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Split from I/o redundancy .