Rockwell Automation Publication 2100-IN012G-EN-P - August 2016 51
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 52.
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