2760-sfc2_user_manual操作说明书手册

ABApplication NoteGBALITYAdaptaScan Reader to a PLC-5Using DH-485 Protocol with the2760-RB Moduleand the 2760-SFC2 ProtocolCartridgeOverviewThe AdaptaScan-SN3,-SN5 or-SN8 bar code reader may beconfigured to communicate with the 2760-RB inter face module viaDH485 protocol,using the 2760-SFC2 protocol cartridge.This document includes cable diagrams and configurationinformation for the AdaptaScan readers.It also includes an examplePLC-5 program which is needed to establish communication fromthe PLC to the 2760-RB.Hardware RequirementsThe following Allen-Bradley hardware is needed to use theprocedure described in this application note:.2755-SN3,-SN5,or -SN8 AdaptaScanTM reader and relatedmanuals.2760-RB interface module in a 1771 rack with a PLC-5Rprocessor.2760-SFC2 protocol cartridgePersonal computer or VT 100 type terminal to configure the2760-RB.Appropriate cables to program the PLC-5 and to configure the2760-RB interface module and the AdaptaScan reader.Refer tohardware manuals for cable requirements..Catalog Number 1784-KT or equivalent card installed in thecomputer to enable you to program the PLC-5.Publicafion 2755-2.64