Vertiv
|
Liebert
®
EXM
™
BDC User Manual | Rev. 3 | 01/18 |
17
Figure 10
Cabinet arrangement
1.6
Liebert EXM UPS Bypass Assembly
Figure 11
Liebert EXM UPS bypass assembly connections
The Static Bypass Assembly has three Liebert IntelliSlot
™
interface card bays and connections for ancillary
cabinets (Liebert EXM BDC and battery) and for options.
1.6.1
Liebert EXM BDC Interface
The Liebert EXM BDC interface is on the Auxiliary Terminal Block at J26. Refer to
Figure 12
for circuit details.
Table 2
Liebert EXM BDC interface
Position
Name
Description
J26.1
Q1 STA
Main input switch status signal
J26.5
Q2 STA
Bypass input switch status signal
J26.9
Q3 STA
External maintenance switch status signal
J26, 3, 7, 9
GND
Ground for dry contacts
These contacts cannot be active unless they are set via software.
Liebert
EXM
Bypass
Distribution
Cabinet
Bypass
Distribution
Cabinet
Liebert
EXM
Battery
Cabinet
Battery
Cabinet
Liebert EXM UPS connected only
to Liebert EXM BDC
(The Liebert EXM BDC must be on right side of
the Liebert EXM UPS)
Liebert EXM UPS connected to Liebert EXM BDC and Battery Cabinets
(BDC must be on right side of the Liebert EXM)
(Battery Cabinets must be on the left side of the Liebert EXM UPS)
ALL UNITS VIEWED FROM ABOVE
Liebert IntelliSlot
Bays 1, 2, 3
Ready Switch
J1
J19
J20
J21
J22
J26
J23
J24
J25
