UPS output can be switched o immediately by Remote Emergency Switching Device interface (ESD)
connection if desired. A remote latched switch can be used as described in above gure.
Input Function
GEN ON
If the GEN ON input is set by a relay, UPS transfers to Generator Mode, bypass and
battery charging is disabled. Generator icon appears on Energy Flow Diagram
screen. The factory default setting of Generator contact is “Normally open”.
UPS OFF
If the UPS OFF (EPO) input set by an EPO switch, UPS stops generating the output
voltage and stops feeding the load. When the voltage on the digital input is
removed, you have to restart UPS. The factory default setting of ESD contact is
“Normally open”.
Table.9
8.2. Emergency Switching Device and Generator Connections
UPS can be remotely switched o and can be congured for an input supply through genset . For this
purpose, there are two digitals inputs on the Interface card that can activate those functions.
Figure.8.2-1
J2: UPS OFF contact NO conguration.
(No jumper)
J2: UPS OFF contact NC conguration.
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