Omron NT631C Setting a Bar Code Reader, Possible Settings Default Setting, EVEN, ODD, None

Connecting a Bar Code Reader Section 3-4

Note Make sure that the power supply to the bar code reader and the power supply to the PT are both OFF before connecting or disconnecting the cable.

3-4-1 Connection Method

Connect the bar code reader to serial port A of the NT631/NT631C, as shown in the figure below.

NT631/NT631C

RESET

RDA

TRM

RDB

SDA

SDB

CSA

CSB

24V	PRINTER PORT B PORT A
+DC

Bar code reader

9-pin connector

Serial port A (RS-232C, 9-pin)

Connector cable Bar code reader cable

Bar code reader must match the communications setting (3-4-2 Setting a Bar Code Reader, page 37) and data format (3-4-3 Data Format, page 38) in order to connect to the NT631/NT631C. Please confirm the specification of the bar code reader before using.

For details on making a connector cable, refer to Appendix G Making the

Cable for Connection to a Bar Code Reader.

Reference: The bar code reader must be connected to serial port A. This means that it cannot be connected at the same time as the Support Tool. Note also that when a bar code reader is used, the host must be connected at serial port B.

3-4-2 Setting a Bar Code Reader

After connecting a bar code reader, set the communications conditions and other settings for it by selection from the system menu.

Settings at the NT631/ NT631C

Settings at the Bar Code Reader

At the NT631/NT631C, set the communications conditions for communica- tions with the bar code reader by using the memory switches, selecting from the options indicated in the table below.

For more detailed information on the actual system menu operations, refer to 6-10 Setting the Bar Code Reader Input Function.

Item	Possible Settings	Default Setting
Data bits	7 or 8 bits	7 bits
Stop bit(s)	1 or 2 bits	2 bits
Parity	None, odd, even	Even
Communications speed	4800, 9600, 19200 bps	9600 bps
Input Method	Manual, Auto	Manual

Make the settings shown in the table below at the bar code reader. Make sure that the communications speed, parity, stop bit, and data bit settings match the communications settings made at the NT631/NT631C. For details on the setting method, refer to the instruction manual for the bar code reader used.

Item	Possible Settings
Communications speed	4800, 9600, 19200 bps
Parity	EVEN, ODD, NONE
Stop bits	1 or 2 bits
Data bits	7 or 8 bits

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