MTS 2 and MTS 4 Installation, Con
fi
guration and Basic Service Manual
External Alarm Cabling
Figure 4-56
Alarm Wiring Connection on MTS 4 Junction Panel
The MTS supports the following alarm inputs and control outputs in all con
fi
gurations:
•
15 opto-isolated 12V alarm inputs
◦
Alarm inputs and Alarm ground are
fl
oating
•
External alarms are connected to an External Alarm 2-16 port and one of the 6 GND (Alarm) ports
•
The 6 GND (Alarm) ports are connected internally
•
External alarm voltage (open) = 12V typical
•
External alarm current (short circuit) = 8mA typical
•
Control output 1 (2 pins) = alarm relay (Normally Open and Common contacts)
•
Control output 2 (2 pins) = alarm relay (Normally Open and Common contacts)
Figure 4-57
External Alarm Connector Pinout
Table 4-8
External Alarm Connector
Port 2 D-Type 25 Pin
Description
13
Control Output 2
25
Control Output 2
12
Control Output 1
6802800U74-N September 2009
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Summary of Contents for DIMETRA MTS 2
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