Wiring The Mr-2602; Wiring Specifications; Figure 8: Mr-2602 Terminal Descriptions - Secutron MR-2602 Installation Manual

MR-2602 Installation & Operator's Manual

4.0 Wiring the MR-2602

4.1 Wiring Specifications

Figure 8: MR-2602 Terminal Descriptions

Terminal
Label
NAC 1
(+, –)
NAC 2
(+, –)
AUX+
COM
SCOM
DAT
CLK
TRB NO
TRB C
TRB NC
ALM NO
ALM C
10
Description
Notification Appliance Circuit # 1
24 V , Full-Wave Rectified voltage, 1.5 Amps max.
DC
Programmable as Steady or Temporal output on alarm.
Supervised for opens, shorts and ground fault.
Power limited.
Notification Appliance Circuit # 2
24 V , Full-Wave Rectified voltage, 1.5 Amps max.
DC
Programmable as Steady or Temporal output on alarm.
Supervised for opens, shorts and ground fault.
Power limited
Auxiliary power output
24 V , filtered and regulated, 500 mA max., 400 mV P-P ripple, power limited. Aux
DC
power shorts must be restored by removing all Aux Power loading.
Auxiliary common power return, unswitched
24 V , 500 mA max.
DC
Auxiliary common power return, switched
(open circuit on system reset or on 4-wire smoke detector reset)
24 V , 500 mA max. (Please refer to Appendix A for compatible 4-wire smoke
DC
detectors.)
Data line for remote module communications
Clock line for remote module communications
Common Trouble relay, Normally Open contact
Common Trouble relay, Common contact
Common Trouble relay, Normally Closed contact
The Common Trouble relay is normally energized and is de-energized on trouble.
Contacts are shown in the de-energized state.
Contacts are rated 30 V
Common Alarm relay, Normally Open contact
Common Alarm relay, Common contact
, 2 Amps.
DC