What is the difference between a B875 and a B877 configuration selection of the AS-B875-111 module?



The AS-B875-111 is configurable for either an B875 or a B877.
The B875 configuration selection allows for 8 differential inputs
The B877 configuration selection allows for 16 single ended inputs.
The wiring diagrams for the B875 and B877 configuration selections are in the AS-B875-111 User Manual.

Note: The 800 series I/O has been obsoleted and can be upgraded to the x80 I/O for the M34/M580 families.