Electrical Connections—UPS
31
Liebert
®
e
XM
™
3.4.3 Liebert BDC Interface
The Liebert BDC interface is on the Auxiliary Terminal Block at J26. Refer to
Figure 15
for circuit
details.
3.4.4 Battery Cabinet Interface Connectors
The battery cabinet interface is on the Auxiliary Terminal Block at J22. Refer to
Figure 17
for circuit
details.
Figure 17 Battery cabinet interface—J22
Table 7
Liebert BDC interface
Position
Name
Description
J26.1
Q1 STA
The main input switch status signal
J26.5
Q2 STA
The bypass input switch status signal
J26.9
Q3 STA
External maintenance switch status signal
J26, 3, 7, 9
GND
Dry ground
These contacts cannot be active unless they are set via software.
NOTE
All auxiliary cables of terminal must be double-insulated. Wire should be 20-16AWG stranded
for maximum runs between 80 and 200 feet (25-60m), respectively.
NOTE
Refer to SL-25653, the Liebert eXM Bypass Distribution Cabinet manual for the Liebert BDC
wiring.
Table 8
Battery cabinet interface—J22
Pin
Name
Description
1
12V_DRV
BCB driver signal
3
BCB STATUS
BCB state signal
5
GND_DRY
Dry ground
7
BCB_ON
BCB on line signal
9
NC
NC
11
GND_DRY
Dry ground
13
TMP_BATT
External Battery temperature
15
12V_A
Power
17
GND_DRY
Dry ground
19
BATT_GND_FAULT
Battery ground fault signal
NOTE
All auxiliary cables of terminal must be double-insulated. Wire should be 20-16AWG stranded
for maximum runs between 80 and 200 feet (25-60m), respectively.
J22
11
1
13
3
15
5
17
7
19
9
2
4
6
8
10
12
14
16
19
20
12V_DR
V
BCB_ON
GND_DR
Y
12V_A
GND_DR
Y
TMP_BA
TT
BCB STATUS
GND_DR
Y
BATT_GND_FAULT
NC
Summary of Contents for Liebert eXM
Page 1: ...Liebert eXM User Manual 60 100kVA 50 60Hz ...
Page 2: ......
Page 8: ...vi ...
Page 89: ...Maintenance 81 Liebert eXM NOTES ...
Page 90: ...Maintenance Liebert eXM 82 ...
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