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58
8.4 EPO (emErgENcy POWEr off)
all the devices in the Protect D. series are equipped with a connection that allows
the immediate shutdown of the uPs output to deactivate any connected devices
and does not follow the control software shutdown process.
note:
Once the emergency power off has been activated, the uPs outputs are
voltage-free. the uPs will not return to normal operation until the emergency
power off has been confirmed / reset and a manual reboot is performed by
activating "uPs On" switch once again.
to install the emergency Power Off, proceed as follows:
1. check to see that the uPs is switched off and switch it off if necessary.
2. remove the plug from the ePO insert on the rear panel of the uPs by
unscrewing the 2 outer screws (also see page 30 item 11).
3. connect a potential-free opener contact (able to manage a load of at least
60 Vdc / 30 Vac 20 ma) with the pins of the plug.
4. to do so, use a flexible wire with a cross section of min. 0.5 mm
2.5 mm
. replace the plug and lock the insert into place in the base by
2
tightening the outer screws.
note:
if you want to use an open contact rather than a closed contact, go to "settings"
in the main menu and set "ePO operation" to (n.O.) "normally open".
the emergency Power Off installed only switches off the uPs voltage. this is done
electronically and is not the same as an eMergencY stOP system corresponding
to Din en isO 13850.
or max.
2
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