Page 15
© Copyright 2023 ABB. All rights reserved.
827E MBS_MAN
Rev. 2.4
3.6
Output Alarm Connections from the Bypass Panel
The maintenance bypass panel combines alarms from each inverter shelf and extends them from a
common set of alarm contacts. The four alarms include: Major, Minor, Capacity, and Bypass. Refer
to Table 3
-
1 for the alarm pin out connections
Table 3
-
1: Alarm Pin Out Connections for J6.
MAJOR
1
CLOSE ON ALARM
Any Major Alarm from inverter shelves 1, 2, 3, or 4.
Or
Two or more Minor Alarms from any inverter shelf.
3
COMMON
2
OPEN ON ALARM
MINOR
4
OPEN ON ALARM
Any Minor Alarm from inverter shelves 1, 2, 3, or 4.
6
COMMON
5
CLOSE ON ALARM
CAPACITY
7
OPEN ON ALARM
A Capacity Alarm from any of the inverter shelves (1, 2, 3, or 4).
9
COMMON
8
CLOSE ON ALARM
BYPASS
10
OPEN ON ALARM
12
COMMON
11
CLOSE ON ALARM
Compression
Figure 3
-
7: Alarm Output Connections (To customer alarms)
