Determine Module Slot Location - Rockwell Automation Allen-Bradley ControlLogix 1756-MVI Installation Instructions Manual

ControlLogix Multi-Vendor Interface Module 9

Determine Module Slot Location

You can install the module in any slot in the ControlLogix chassis.
You can also install multiple MVI modules in the same chassis. The
figure below shows chassis slot numbering in a 4-slot chassis. Slot 0
is the first slot and is always the leftmost slot in the rack (the first
slot to the right of the power supply).
Slot 0
Slot 2
Slot 1
Slot 3
Power Supply
Chassis
Publication 1756-IN001A-US-P - May 2000