Internal power source, Connecting a power supply to the reader – Rockwell Automation 2755-SNx Adaptascan Bar Code Readers User Manual
Page 19

1–2
Using the Auto-Load Function
Publication 2755-6.8
The following illustration shows the wiring base connections. The
2755-IB5S DC input module and the 42SRU-6203 PHOTOSWITCH
receive power from the Package Detect +12V internal power source
in this application. You could also use an external AC or DC power
source. Refer to the AdaptaScan Bar Code Readers User Manual
(Publication No. 2755-837) for more information regarding using an
external power source.
External
Input Contacts
To +12V
To +
To -
To
GND
2755-IB5S
The circuit must not draw more than 50mA from the Package Detect
terminal block.
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
Internal Power Source
Connecting a Power
Supply to the Reader
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