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3837
12
1. Check that the UPS is shut off and disconnected from the AC power source.
2. Remove the RPO connector 12 by undoing the screws 37 .
3. Connect an insulated dry contact (NC, 60 V DC, 30 V AC max., 20 mA max., cable size 0.75 mm) to the two terminals
of the RPO connector 38 .
4. Put the RPO connector 12 back in place on the back of the UPS.
5. Connect the UPS to the AC-power source and restart it as indicated previously.
6. Activate the RPO external contact to test the function.
7. To return to normal operation, deactivate the RPO external contact and restart the UPS using button 16 (press OFF,
then ON).
Installation and test of the remote power off function
Pulsar EX RT's are equipped with a Remote Power Off function (RPO) that can cut power to all the devices connected to
the UPS using a remote user-operated contact.
The function is implemented by opening a contact connected to the two terminals of connector 12 on the back of the
UPS.
3.6 UPS Remote Power Off (RPO)
3. Operation