Communication
63
Powerware
®
9155 UPS (8–15 kVA) User’s Guide S 164201553 Rev D www.powerware.com
Relay Contacts
The U PS incorporates a programmable relay output with potential free
contactsforremotealarmindications(seeFigure32onpage53).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 32 on
page 53). 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 SeeFigure39onpage61forthepolarityandverifythese
connections if polarity control is required.
The default and programmable settings for the signal inputs are shown in
Table 11.
To Next Page
Loading...
