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W
M
IRING
AP FOR
The signals include relay contacts for major and minor system alarms, and
external alarm inputs.
Table 3: Alarm Cable Wiring
Switch's Alarm Port
1 (MJR_ALARM_CNTR)
2 (MNR_ALARM_CNTR)
3 (ALARM_IN3_EXT_P
4 (ALARM_IN4_EXT_P)
5 (No Contact)
6 (MJR_ALARM_NO)
7 (MNR_ALARM_NO)
8 (ALARM_IN4_EXT_RTN
9 (ALARM_IN1_EXT_P)
10 (ALARM_IN2_EXT_P)
11 (MJR_ALARM_NC)
12 (MNR_ALARM_NC)
13 (ALARM_IN3_EXT_RTN)
14 (ALARM_IN1_EXT_RTN)
15 (ALARM_IN2_EXT_RTN)
a.
P indicates positive input.
b.
RTN indicates return to Ground.
A
C
LARM
ABLE
Function
Common contact for major alarm relay.
Common contact for minor alarm relay.
External alarm input 3 (external relay dry contact closure
)
a
to pin 13).
External alarm input 4 (external relay dry contact closure
to pin 8).
Normally open during major alarm state.
Normally open during minor alarm state.
External alarm input 4 (external relay dry contact closure
)
b
from pin 3).
External alarm input 1 (external relay dry contact closure
to pin14).
External alarm input 2 (external relay dry contact closure
to pin 15).
Normally closed during major alarm state.
Normally closed during minor alarm state.
External alarm input 3 (external relay dry contact closure
from pin 3).
External alarm input 1 (external relay dry contact closure
from pin 9).
External alarm input 2 (external relay dry contact closure
from pin 10).
C
HAPTER
– 47 –
| Installing the Switch
2
Connecting to the Alarm Port
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