3.6 UPS remote control functions
The 5SC offers a choice between two remote control functions.
• RPO: Remote Power Off allow a remote contact to be used to disconnect all the equipment connected to
the UPS. Restarting the UPS requires manual intervention.
• ROO: Remote ON/OFF allows remote action of button
to shut down the UPS.
These functions are obtained by opening a contact connected between the appropriate pins of connector (6)
on the rear panel of the UPS (see figures below).
6
Remote control connection and test
1. Check that the UPS is OFF and disconnected from the AC input source.
2. Remove connector (6) after unscrewing the screws.
3. Connect a normally closed volt-free contact (60 V DC / 30 V AC max., 20 mA max., 0.75 mm
2
cable cross-
section) between the two pins of connector (6) (see diagram).
6
Contact open: UPS shutdown
Contact closed: UPS start-up (UPS connected to AC power and AC power is available)
Note: The local ON/OFF control using button
overrides the remote-control function.
6
Contact open: UPS shutdown, LED goes ON.
To return to normal operation, deactivate the remote external contact and restart the UPS
by pressing button
.
4. Plug connector (6) into the back of the UPS.
5. Connect and restart the UPS following the previously described procedures.
6. Activate the external remote shutdown contact to test the function.
Warning. This connector must only be connected to SELV (Safety Extra-Low Voltage) circuits.
3. Installation