Control Logix analog inputs
Control Logix analog inputs
(OP)
Hello all.
I want to ask if i can mix single-ended and differential analog input signals in one Control Logix analog input card.
When i tried to do this in an SLC analog input card i had very much noise that dissapeared when disconnecting the differential inputs.
Thanks in advance fro your time.
I want to ask if i can mix single-ended and differential analog input signals in one Control Logix analog input card.
When i tried to do this in an SLC analog input card i had very much noise that dissapeared when disconnecting the differential inputs.
Thanks in advance fro your time.





RE: Control Logix analog inputs
If you are using a 1756-IF8 or 1756-IF16 analog module, you can not mix single-ended and differential modes. All channels on the module must be wired and configured the same way.
Reference Rockwell Automation publication 1756-UM009B-EN-P for everything you need to know about ControlLogix analog modules. Find it at the link below.
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(Expand the "I/O" group and select the 1756 ControlLogix I/O link).