6-10KVA Rack-mount UPS User Manual Annex B EPO
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Annex B. EPO
EPO (emergency power off) is function to shutdown UPS completely at emergency condition.
This function can be activated through a remote contact provided by the user. It requires
opening NO and +24V at normal operation. EPO is activated when shorting NO and +24V.
Description of Input Port for Remote EPO
Position
Name
Purpose
P1
+
24V
+24V, connect the common terminal of NC and NO
P2
EPO_NO
EPO is activated when shorting with +24V