INSTALLATION REFERENCE
EATON
Powerware
®
225 kVA PDU Installation and Operation Manual
S
164201629 Rev D
www.powerware.com
A−51
Table O. UCB TB1 and TB2 Interface Connections
TB1 Terminal
Name
Description
1
Building Alarm 1
Input: Programmable PDU alarm, activated by a remote dry contact closure.
Building alarm inputs can be programmed for use with either normally−open
or
normally−closed contacts.
2
Building Alarm 1 Return
3
Building Alarm 2
Input: Programmable PDU alarm, activated by a remote dry contact closure.
Building alarm inputs can be programmed for use with either normally−open
or
normally−closed contacts.
4
Building Alarm 2 Return
5
REPO
I
nput: Normally-open or normally−closed dry contact used to activate PDU
EPO from a remote switch. The factory default configuration is set up for use
with a normally−open switch. To use a normally−closed switch, the
configuration must be changed during setup by an Eaton Customer Service
Engineer
.
6
REPO Return
7
Local EPO
Input: Dry contact to activate PDU EPO of from factory wired local
cabinet−mounted EPO switch.
8
Local EPO Return
TB2 Terminal
Name
Description
1
Alarm Relay Common
Output: General purpose normally−open (NO) and normally−closed (NC) relay
contacts. Set by default to signal when a panelboard or subfeed breaker
overload occurs.
2
Alarm Relay NO
3
Alarm Relay NC
NOTE Return indicates connection to electronics circuit ground. Common" indicates connection to common side of isolated relay contact.
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