Chapter 3 Electrical Installation 33
Liebert EXM 80kVA ~ 200kVA UPS User Manual
Port
Pin
Meanings
Normally
closed
contact
(J23-5)
Bypass back-feed normally closed contact. Open when there is
bypass back-feed
2. Inverter state
Normally open
contact
(J23-2)
Inverter state normally open contact. Closed when the inverter is on
Common contact
(J23-4)
Inverter state common contact
Normally
closed
contact
(J23-6)
Inverter state normally closed contact. Open when the inverter is on
3. Rectifier
back-feed
Normally open
contact
(J24-1)
Rectifier back-feed normally open contact. Closed when there is
rectifier back-feed
Common contact
(J24-3)
Rectifier back-feed common contact
Normally
closed
contact
(J24-5)
Rectifier back-feed normally closed contact. Open when there is
rectifier back-feed
4. Rectifier
abnormal
Normally open
contact
(J24-2)
Rectifier abnormal state normally open contact. Closed when the
rectifier input is abnormal
Common contact
(J24-4)
Rectifier abnormal state common contact
Normally
closed
contact
(J24-6)
Rectifier abnormal state normally closed contact. Open when the
rectifier input is abnormal
5. On battery
Normally open
contact
(J25-1)
Battery state normally open contact. Closed when the battery is on
Common contact
(J25-3)
Battery state common contact
Normally
closed
contact
(J25-5)
Battery state normally closed contact. Open when the battery is on
6. Battery
low-voltage
pre-warning
Normally open
contact
(J25-2)
Battery low-voltage pre-warning normally open contact. Closed
when there is a battery low-voltyage pre-warning
Common contact
(J25-4)
Battery low-voltage pre-warning common contact
Normally
closed
contact
(J25-6)
Battery low-voltage pre-warning normally closed contact. Open
when there is a battery low-voltyage pre-warning
3.2.6
REPO Port
The UPS has an EPO function that operates by an EPO button on the operator control and display panel
of the UPS or by a remote contact provided by the user. The EPO button has a protective cover.
J2 is the REPO port. The port is shown in Figure 3-11 and described in Table 3-8.
Summary of Contents for EXM 0080kTK16FN01000
Page 2: ......
Page 14: ......
Page 132: ...118 Chapter 8 Options Liebert EXM 80kVA 200kVA UPS User Manual...