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COMMUNICATION
EATON Powerware
®
9355 UPS (10/15 kVA) User’s Guide S 164201594 Rev C www.powerware.com
64
Relay Output Contacts
The UPS incorporates a programmable relay output with potential free
contacts for remote alarm indications (see Figure 34 on page 49). An
additional four relay outputs can be obtained with the X-Slot compatible
Relay Interface Card.
WARNING
The relay output contacts must not be connected to any utility connected circuits. Reinforced
insulation to the utility is required. The relay output contacts must have a maximum rating of
30 Vac/1A and 60 Vdc/2A nominal values.
Programmable Signal Inputs
The UPS incorporates two programmable signal inputs (see Figure 34 on
page 49). 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 45 on page 62 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.