43
Connecting a Bar Code Reader
Section 3-4
3-4 Connecting a Bar Code Reader
Connecting a bar code reader to the NT31/NT31C enables bar code data to read
as character strings into character string input fields, and set in character string
memory tables.
In order to use a bar code reader, the “Comm. A Method” memory switch must be
set to “Bar-Code Reader”.
For details on the method for inputting character strings with a bar code reader,
refer to 8-7-2 “Inputting Character Strings” in 8-7 “Input of Numeric Values and
Character Strings” in the programming manual (page 534).
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 NT31/NT31C, as shown in the
figure below.
NT31/NT31C
PRINTER PORT B PORT A
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 communication setting (3-4-2 “Setting a Bar Code
Reader”, page 44) and data format (3-4-3 “Data Format”, page 45) in order to con-
nect to the NT31/NT31C. 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” (page 665).
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.
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