Rockwell Automation 2100 CENTERLINE Low Voltage Motor Control Centers - Manual (Page 49)

Rockwell Automation Publication 2100-IN012E-EN-P - February 2012 49
Installing and Removing Plug-in Units Chapter 4
7. Connect a multi-meter to the status port to verify that there is a closed
connection.
a. Verify that the stabs are retracted by checking the continuity in pins 1
and 2.
When the stabs are retracted, they complete the circuit verifying that all
three stabs have retracted completely.
b. Verify that the stab housing shutters are closed by checking continuity
in pins 3 and 4 of the status port.
A limit switch provides feedback to indicate the stab housing shutters
are closed.
8. Continue following the steps with Remove a Plug-in Unit with a Vertical
Operating Handle from a Section on page 50 .
Stab Lockout Status Port