Honeywell HRHM1041 User Manual page 144

144 | Performance Series HQA Digital Video Recorder User Guide
Guidelines for Connecting Alarm Input Ports
•
•
•
•
•
Guidelines for Connecting Alarm Output Ports
•
•
Material
Rating (Resistance
Load)
Insulation
Surge voltage
Length of open time
Length of closed time
Longevity
Temperature
www.honeywell.com/security
Ground alarm inputs. Choose from normally open (NO) or normally closed (NC).
Connect the COM end and GND end of the alarm detector in parallel. Supply external
power to the alarm detector.
Connect the ground of the DVR and the ground of the alarm detector in parallel.
Connect the NC port of the alarm sensor to the DVR alarm input.
Use the same ground as the DVR if you are supplying external power to the alarm device.
Provide external power to external alarm device.
To prevent overloading, carefully review the following relay specifications:
Nickel/silver contacts with gold plating
Rated switch capacity
Maximum switch power
Maximum switch voltage
Maximum switch currency
Between touches with same polarity
Between touches with different polarity
Between touch and winding
Between touches with same polarity
3 ms maximum
3 ms maximum
Mechanical
Electrical
–40°F to 158°F (–40°C to 70°C)
30 V DC 2A; 125 V AC 1A
125 V A, 160 W
250 V AC; 220 V DC
1 A
1000 V AC/1 minute
1000 V AC/1 minute
1000 V AC/1 minute
1500 V (10 × 160 us)
50 ×106 times (3 Hz)
200 × 1030 times (0.5 Hz)