Rockwell Automation 2755-SNx Adaptascan Bar Code Readers - Manual (Page 29)

2–2 Using ASCII Command Input
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.
TX
GND
RX
To Computer
Wiring Base of Reader
Use Belden 8303 (or equivalent)
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.
V-
24V+
Ground Screw
on Wiring Base
Reader
2755-PW46
Power Supply
Connecting a Computer to
the Reader
Connecting a Power
Supply to the Reader