Battery Circuit-Breaker (Bcb) Port; Maintenance Switch And Output Switch State Port - Emerson NXr User Manual

1.7.2 Battery Circuit-Breaker (BCB) Port

J6 is the BCB port. The port is shown in Figure 1-9 and described in Table 1-3.
Position
J6.1
J6.2
J6.3
J6.4
The connection between the BCB port and BCB is shown in Figure 1-10.

1.7.3 Maintenance Switch And Output Switch State Port

J9 is the maintenance switch and output switch state port. The port is shown in Figure 1-11 and described in Table
1-4.
Position
J9.1
J9.2
J9.3
J9.4
J6
Table 1-3 BCB port description
Name
DRV BCB driver signal – for BCB UV coil when used
FB BCB aux contact
GND Power ground
OL BCB on line – enables J6.1 and J6.2 (when J6.4 is closed to J6.3)
Figure 1-10 Connection between BCB port and BCB
Figure 1-11 Maintenance switch and output switch state port
Table 1-4 Description of maintenance switch and output switch state port
Name
EXT_Q3 External maintenance bypass (EBP) switch – Aux Contact closed to J9.4 when
EBP is open.
IN_S J9.2 shorted to J9.4 when Internal maintenance switch is closed
EXT_OUT External output isolator (EOI) Aux Contact closed to J9.4 when EOI is closed.
GND Power ground
NXr UPS Module And Parallel System 30kVA ~ 200kVA User Manual
Chapter 1 Installation Of UPS Module
12V 12V
12V
Figure 1-9 BCB port
Description
closed to J6.3 when BCB is open
J10
J6
Aux-N.O.
Aux_N.O.
Aux contact is open
Aux-N.O. Aux_N.O.
when BCB is closed
BCB
电池开关 BCB
J9
Description
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