David pareira

Interfacing of plc and vfd

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I need assistance in interfaceing a altivar atv312 vfd with the micrologix 1400 plc using the Ethernet port..

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From Rockwell's Knowledge Base, ID 122258 has a link to "1766-RM001F-EN-E MicroLogix 1400 Programmable Controllers Instruction Set Reference Manual".

Chapter 23 gives complete information regarding messaging via Modbus TCP with the MLX as Master.

http://literature.rockwellautomation.com/idc/groups/literature/documents/rm/1766-rm001_-en-p.pdf

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