GE 90-30 PLC - Manual (Page 34)

3
Chapter
3-1 GFK-1084B
Programming Communications Requests
This chapter describes how to program PLC to PLC communications over the Ethernet
Network. Details of the COMMREQ function and the Channel commands are pres-
ented here. The chapter is divided into 5 sections:
H Section 1: The Communications Request
H Section 2: The COMMREQ Function Block and Command Block
H Section 3: Channel Commands
H Section 4: Status Data
H Section 5: Controlling Communications in the Ladder Program
Note
This chapter applies only to PLCs being used as client PLCs to initiate
communications. No programming is required for server operation.