Connecting A Computer To The Reader; Connecting A Power Supply To The Reader - Allen-Bradley 2755-SN3 Application Manual

2–2 Using ASCII Command Input
Connecting a Computer to
the Reader
Connecting a Power
Supply to the Reader
Publication 2755-6.8
The following illustration shows the wiring base connections
between the AdaptaScan Bar Code Reader and the personal
computer. This RS-232 serial connection is used to download ASCII
commands to the reader and to display bar code messages on the
terminal emulator.
Create a cable using Belden 8303 (or equivalent) and a connector (to
match your computer's RS-232 port). The other end of the cable is
wired to the RS-232 port in the reader wiring base.
Use Belden 8303 (or equivalent)
To Computer
To Connector Compatible
with Your Computer RS-232 Port
The following illustration shows how to connect a 2755-PW46 or
-PW47 power supply to a single bar code reader.
Use a shielded cable (Belden 9316 recommended) to make the
connections. Connect the shield to the ground screw on the reader's
wiring base.
2755-PW46
Power Supply
RX
GND
TX
Reader
24V+
V-
Wiring Base of Reader
Ground Screw
on Wiring Base