Section 403, Remote shutdown – Powerware FSS-0342J User Manual
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403 Remote Monitoring and Remote Shutdown
Monitoring
Alarm Signal Contacts:
These are relay contacts (rated at 25V AC/DC and 250 mA) that change
status on any alarm condition or when the UPS is turned off. (See the
beginning of
.) Contacts that close on an alarm are available
between pins 23 and 24. Contacts that open on an alarm are available
between pins 24 and 25.
Inverter On Signal Contacts:
These are relay contacts (rated at 25V AC/DC and 250 mA) that change
status when the inverter turns on. (See the beginning of
Contacts that close on inverter operation are available between pins 12 and
13. Contacts that open on inverter operation are available between pins 11
and 13.
Remote Shutdown
FERRUPS can be connected to a remote shutdown switch to shut off output from the UPS to your protected
equipment. The shutdown switch must have a set of contacts that can apply FERRUPS’ +12 VDC on pin 6 to
FERRUPS’ pin 21. (You can use pin 18 instead of pin 6; do not use pin 14.) Use a shielded, single twisted pair
cable to connect the switch to FERRUPS’ pins. A connection between pins 6 and 21 (or 18 and 21) will shut down
FERRUPS’ output power to the protected equipment. When FERRUPS’ Remote Shutdown feature has been
activated, FERRUPS will be in the Off Mode, and the Emergency Power Off Alarm will sound. A control panel or
a terminal connected to the FERRUPS will display “Emergency PwrOff.” To restart the UPS, break the connection
between pins 6 and 21 (or between pins 18 and 21) at FERRUPS’ RS232 port. Then, follow the steps in the Startup
section for your model (
). Note that the 12-volt level on pin 6 or pin 18 is only available when
FERRUPS is operating.
You can change the type of signal that FERRUPS responds to and how quickly FERRUPS responds. You can also
set up FERRUPS to restart automatically when the shutdown signal stops. See TIP 503 or call Best Power’s
for more information.