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COMMUNICATION
EATON Powerware
®
9355 UPS (10/15 kVA) User’s Guide S 164201594 Rev B www.powerware.com
62
Relay Output Contacts
The UPS incorporates a programmable relay output with potential free
contacts for remote alarm indications (see Figure 33 on page 47). An
additional four relay outputs can be obtained with the X-Slot compatible
Relay Interface Card.
WARNING
The relay contacts must not be connected to any utility connected circuits. Reinforced
insulation to the utility is required. The relay contacts must have a maximum rating of
30 Vdc/1A and 60 Vdc/2A nominal values.
Programmable Signal Inputs
The UPS incorporates two programmable signal inputs (see Figure 33 on
page 47). Use of non-polar (relay) control input is recommended. The
pins must be shorted with maximum resistance of 10 ohm in order to
activate the specific input.
NOTE See Figure 44 on page 60 for the polarity and verify these connections if polarity
control is required.
The default and programmable settings for the signal inputs are shown
in Table 6.