2. 3 Alarm Connections

2. 3. 1 ALARM INPUT

Connect up to 16 alarm sensors (ZR- DH921NP : 9 alarm sensors) using the supplied terminal blocks.

GND

1 2 3 4 5 6 7 8

GND 1

2

3

4

2. 3. 2 ALARM OUTPUT

Connect up to 4 separate alarms to the Alarm Output.

Alarm may be triggered by numerous events including digital motion detection, Full Disk, Signal Loss, Power Off, Network Access.

The signal state is adjustable to N/O (Normaly Open) or N/C (Normaly Closed).

GND 9 10 11 12 13 14 15 16 GND

5 6 7 8 9

ZR-DH1621NP

ZR-DH921NP

SW

SW

DC

GND

SENSOR IN

COMMON GND

Notice

Each ALARM IN should be connected with GND which is grounded by TTL or contact point. Components z

GND 1 2 3 4

Notice

The internal switching relays are rated for up to 24V at 1.0A maximum. Damage may occur if current is higher!

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CBC ZR-DH921NP manual Alarm Connections, Alarm Input

ZR-DH921NP specifications

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