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22 InfraStruXure System—Installation and Start-Up
Connect User Input Contacts and Relay
Outputs to the User Connection Plate
Overview
Make contact closure connections
(NO or NC) at the user connection
plate to monitor dry contacts. You
can make eight connections—four
input contacts and four relay outputs.
The figure at the right shows the
location of the user connection plate
on the roof of the PDU enclosure.
You can make connections from
inside the enclosure, or you can
remove the user connection plate and
make your connections.
Remove the plate using a Phillips or
standard screw driver to loosen the
two captive screws. Use the
knockout in the plate to route cables
to and from the user connections on
the plate. If you remove the plate,
make sure that you do not disturb the
existing connections.
1 234
ATS E N
ATS 0
ATS 1
ATS 2
EPO
Contact
– +
EPO 24 V
AC/D C
Contact Inputs
Contact Outputs
USER INTERFACE
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MADE IN USA