Operation Manual

2. Insert one end of the alarm signal cable through the [A1] or [A2] terminal hole below the screw hole, and then

fasten the screw.

3. Insert the ground signal wire into the hole of the [GND] port (shown also below the screw), and tighten the

screw.

4. To ensure a secure connection, tighten the screw and pull out the wire to check if it is not pulled out. To

remove the wire, loosen the screw and pull it out.

Connecting the alarm output signal:

Connect the signal line of an alarm output device to the rear [ALARM OUT] port.

1. Loosen the screws on the [NO] and [NC] ports and the [GND] port of the provided terminal block plug.

2. Insert the alarm signal wire into the hole of the [NO] or [NC] input port (shown below the screw), and tighten

the screw. Check the relay output type of Normal Open or Normal Close before selecting a proper type (NO or

NC).

> N/O (Normal Open) : Normally Open but switches to Close if an alarm out occurs.

> GND : Insert the grounding wire.

> N/C (Normal Close) : Normally Close but switches to Open if an alarm out occurs.

3. Insert the ground signal wire into the hole of the [GND] port (shown also below the screw), and tighten the

screw.

4. To ensure secure connection, tighten the screw and pull out the wire to check if it's not pulled out. To remove

the wire, loosen the screw and pull it out.

5. Install the wire-connected terminal block in the rear port.

4.4.5. Communication Ports

Communication Ports of GRI-K1104A and GRI-K2208A:

Communication Ports of GRI-K4416A:

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