Emerson 10-30kVA Power Supply User Manual


 
Electrical Connections
16
2.3.2 Maintenance Bypass Cabinet Interface
J26 and J30 are the MBC interface.
2.3.3 BCB Box Interface
J10 is the BCB box interface.
Figure 9 Jumper connection for BCB interface
Table 2 Maintenance bypass cabinet interface
Position Name Description
J26.1 T_IT
1
Input transformer over temperature (N.C.)
J26.2 AUX_I Reserved
J26.3 +12V +12V Power
J26.4 GND Power Ground
J30.1 FUSE Reserved
J30.2 F_FAN Fan Fail Alarm (N.C.)
J30.3 T_OT
1
Output Transformer Overtemperature (N.C.)
J30.4 AUX_O Reserved
1 - Must be configured by software before becoming active
NOTE
All auxiliary cables of terminal must be double-insulated. Wire should be 20-16AWG stranded
for maximum runs between 82 and 164 feet (25-50m), respectively.
Table 3 BCB box interface
Position Name Description
J10.1 DRV BCB Driver Signal - Reserved
J10.2 FB BCB Contact State
J10.3 GND Power Ground
J10.4 OL
BCB On-Line - Input - This pin will become active when
BCB interface is connected. (N.O.)
NOTE
All auxiliary cables of terminal must be double-insulated. Wire should be 20-16AWG stranded
for maximum runs between 82 and 164 feet (25-50m), respectively.
NOTE
If BCB interface is connected, a jumper needs to added between Pin 3 and Pin 4.
UPS Monitoring Board
J10
OL
DRV
GND
FB
Battery Circuit Breaker
OL
Aux – N.O.
Aux – N.O.