eLine Technology ECO3 User Manual

Alarm connection instruction

The DVR support two alarm input mode(normal on/off) ， these

two mode has the same external connection method but different

setting in host system. Choosing normal on/off mode by software

operation make it simple to user and below are the detail steps of

normal on mode setting .

1. Alarm external connection

Typical connection

DVR

+12V GND IN 1 IN 2

the DVR host supply power to sensor.

：

+ - NO C

Probe

Probe

We suggest sensor get power supply separately to avoid power supply
instability if there has a long distance between DVR and sensor. We suggest
connected both side GND together to stable the power supply as follows:

DVR

+12V GND IN 1 IN 2

+12V

+ - NO C

Probe

If user wants to parallel connected multi-sensor to host, the DVR can ’ t
recognize the triggered sensor. User needs to parallel connect this resistance
to all sensors as below fig.

+12V GND IN 1 IN 2

+ - C NO

Probe 1

DVR

+ - C NO

Probe 2

2. Alarm input normal on/off setting of software

+ - C NO

Probe 3

7000T series: Enter main interface — > record mode — > alarm record to
enter the interface as follows, and choose the open status of sensor type.