Automationdirect.com HX-ECOM Series - Page 47

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Chapter
Chapter
Chapter
RLL PRogRamming foR
CommuniCations
In This Chapter...
PLC-to-PLC Communications .....................................................................................4–2
How RLL is Used for Communications ...................................................................... 4–2
Network Instructions ................................................................................................. 4–3
Addressing the Different Memory ...........................................................................4–6
Special Relays for Communications ........................................................................4–11
Program with One Read Instruction ....................................................................... 4–13
Example Program with One Write Instruction .......................................................4–15
Integrating Multiple Read and Write Instructions .................................................4–17