Omron NT631C manual Rear View

Names and Functions of Parts Section 2-2

Rear View

Reset switch (inside the cover)

Used to initializes all the statuses of the NT631/NT631C. However, registered data such as screen data, and memory switch settings, retain their statuses before initialization.

Serial port B terminal block Connect the cable for RS- 422A/485 connection to the host here. Depending on the setting made at the NT631/NT631C system menu, communications through RS-422A/485 are available. It is not possible to use this terminal block and the serial port B connector (9-pin) at the same time.

GR terminal

Grounding terminal to prevent malfunction due to noise.

Power input terminals Connect the power to the NT631/NT631C at these terminals.

Warning label

RESET

RDA

TRM

RDB

SDA

SDB

RSA

RSB

24V +DC

PRINTER PORT B PORT A

Expansion interface connector (under the label)

When using an expansion interface unit such as a memory unit, peel off the label and connect it here.

Battery cover

The battery is secured underneath this cover.

Serial port A connector

Connect the cable for connection to the host or Support Tool here. A bar code reader can also be connected here. This is a 9-pin connector for RS-232C use only.

Serial port B connector

Connect the cable for RS-232C connection to the host here. Depending on the setting made at the NT631/NT631C system menu, communications through RS-232C are available. This is a 9-pin connector for RS-232C use only.It is not possible to use this connector and the serial port B terminal block at the same time.

Printer connector

Connect the printer cable here. Output conforms to Centronics specifications.

Note Confirm system safety before turning the power ON/OFF or resetting.

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