MODICON PL7- MSATER COMMUNICATION

[datta jagtap]

DEAR FRIENDS, RECENTLY I AM WORKING ON THE PROJECT, WHERE I AM USING PREMIUM PLC AS MASTER WITH SOME TWIDO AS RTU. I NEED SOME GUIDELINES FOR DEVELOPPING A FULPROOF CODDING ABOUT THE COMMUNICATION AT MASTER PLC WITH RTU. PLATFORM AS FOLLOWS: PL7 (4.3) PREMIUM PLC TSX 57**** MASTER TWIDO TWD**20DRT SLAVE COMM. MODBUS ANY COMMENTS, DOCUMENTS ARE ALWAYS WELCOME. REGARDS, DATTA JAGTAP

[undercontrol]

You're gonna need Modbus PCMCIA card on the Premium side (TSXSCP114) and also Modbus port on Twido side. Then you can use READ_VAR or WRITE_VAR function from PL7 Pro to read/write message to Twido.