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P O W E R I N G T E C H N O L O G Y
Document Number: MS0031-MAN rev. 7
guardian_access_ms31-man-rev7-0521.indd
4.12 Alarm and Signal Connections
Alarm connections are positioned on the right side of the PBDU on the Alarm interface
board, see Figure 4-11. To connect the alarm cable to the alarm interface board, follow the
steps below:
1. Remove the green plug from each connector (Figure 4-11, #1)
2. Determine whether to reference normally closed or normally open with reference to
common for each alarm contact.
3. Strip the wires back approximately 10mm. Stranded wire may be soldered or covered
with copper ferrule if desired.
4. Insert wire into the openings of green plug and tighten screw to clamp wire (Figure 4-11,
#2).
5. Re-insert the green plug with alarm cable into the alarm interface board (Figure 4-11, #3).
1
2
3
Figure 4-11 Alarm Interface
There are three kinds of alarm interface board for selection to meet the user’s requirement.
