Rockwell Automation 2755 StrataScan Bar Code Readers User Manual
Page 29
4–3
Installing Your Hardware
Publication 2755-6.13
6. Connect the null modem cable (Catalog No. 2755-LHC-11) to the
PLC or PC (9–pin connector) and the reader (25–pin connector).
7. Place the power supply (Catalog No. 77126-896-01) within 12 ft.
(3.66 m) of the reader. Connect the power supply to the reader.
To PC (9-pin
connector)
To Reader (25-pin
connector)
Reader
Power
Supply
To Reader (9-pin
connector)
Grounding Pin
To Power Receptacle
77126–896–01
2755–LHC–11
8. Connect the power supply cable to the power supply and to the
power receptacle supplying 100/240V ac.
When power is applied to the reader, the green LED flashes on
and off, then the red LED turns on and remains on. A beep is
emitted from the reader as well, indicating the reader has power.
Scan beams are also emitted from the reader.
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