Owner's Manual

Connecting RS-485/RS-232C TTL

Device

Use these ports to connect an external device of RS-232C

TTL/ RS-485 format.

RS-485 Unit

Rx(-)

Tx(+)

RS-232C TTL

Rx(-)

GND

Tx(+)

Connecting Alarm Device

Alarm terminals are used to connect the alarm (relay)

devices such as sensors, door switches, etc.

Connect the alarm (relay) device to the alarm (relay) output

terminal. Alarm signal outputs at an event occurrence.

Alarm (Relay)

Device

Connections