Chapter

3

GFK-1541B

Programming SRTP Channel Commands

This chapter describes how to program PLC to PLC communications over the Ethernet network using SRTP Channel commands. To program Modbus/TCP Channel commands, see chapter 4.

ƒThe Communications Request

ƒThe COMMREQ Function Block and Command Block

ƒSRTP Channel Commands

ƒStatus Data

ƒControlling Communications in the Ladder Program, which includes an example

Note

This chapter applies only to PLCs being used as client PLCs to initiate SRTP/TCP/IP communications. No programming is required for SRTP server operations.

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GE GFK-1541B manual Programming Srtp Channel Commands