COMMUNICATION
EATON
Powerware
®
BladeUPS
®
(12 kVA) User's Guide
S
164201649 Rev 3
www.powerware.com
96
The pins on the NC REPO connector are connected together. When this
connection is open, the logic circuitry completely shuts down the UPS,
thus preventing the power from supplying the load. If the use of NC
REPO operation is desired, remove the jumper wire and connect a NC
external switch. If the use of NO REPO operation is desired, connect a
NO external switch.
To install REPO for a parallel system, the selected REPO command (NO
or NC) contacts from each UPS in the system must be in parallel.
Connect Pin 1 to Pin 1 and connect Pin 2 to Pin 2 of each UPS in parallel
for the selected REPO contacts, then connect the appropriate external
switch to the selected REPO command.
The REPO wiring of a standalone UPS can be connected with the REPO
wiring of a parallel system if the same sense (NO or NC) contacts are
used. Be sure to match the polarity for the contacts.
NOTE
To restart the UPS, reconnect the REPO connector pins and turn on the UPS
manually. The pins must be shorted to keep the UPS running. Maximum resistance is 10 ohm.
NOTE
Always test the REPO function before applying your critical load to avoid accidental
load loss.
Relay Output Contacts
The UPS incorporates a programmable relay output with potential free
contacts for remote alarm indications (see Figure 47 on page 89). An
additional four relay outputs can be obtained with the X-Slot compatible
Relay Interface Card.
W A R N I N G
The relay output contacts must not be connected to any utility connected circuits. Reinforced
insulation to the utility is required. The relay output contacts have a maximum rating of
30 Vac/1A and 60 Vdc/2A nominal values.
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