The bar code reader that can be used has the following specifications.
1.Compatible with RS-232C interface
2.Cable that can supply power for bar code reader from D-SUB 9 pin of RS-232C connector
*If it is not possible to supply power from the D-SUB 9 pin, you will need to separately connect the AC adapter for power supply of the bar code reader.
3.Operating power supply 5 V, rated current consumption within 500 mA
*When using a barcode reader whose power supply specifications do not match, the barcode reader's power supply is supplied externally.At this time, the overcurrent detection function of the programmer may work, and an error of 1A 27: BCR CLEN ERR may occur. Isolate the RS-232C line if there is an error and trouble in operation.
RS-232C Isolated Transducer
http://www.nissin-tech.com/2010/07/rs232-3.html
Operability confirmed Barcode reader
DENSO WAVE
Scanner Main Unit:AT20B-SM(R) / AT21B-SM(R)
Serial Cable:CBA2-RS2000/9-2(Power supply available from programmer)
ZEBRA (Symbol/Motolora)
Scanner Main Unit:DS4208
Serial Cable:CBA-R46-C09ZAR(Power supply available from programmer)
KEYENCE
Scanner Main Unit:HR-100
Serial Cable:HR-1C3RC(Power supply available from programmer)