Overview Of Communication Functions; Mewtocol Master/Slave Communication - Panasonic AFP7CPS Series User Manual

Communication cassette ethernet type fp7-series, cpu unit, extension cassettes ethernet x 1ch type

Table of Contents

1.3 Overview of Communication Functions

 Overview of function

 Execute communication using MEWTOCOL-COM, a communication protocol used by our PLC.

 In master communication, PLC executes communication by sending commands to devices that

support MEWTOCOL, and receiving responses. Messages in accordance with the protocol are

automatically generated by PLC. In the user program, reading and writing can be done simply by

specifying the station no. and memory address and executing SEND/RECV instructions.

 Slave communication is performed when the computer or display connected to PLC has the

sending right, and sends commands, and PLC returns responses. In slave communication, PLC

responds automatically, so no program concerning communication is necessary on the PLC side.

 The data size that can be sent or received in a single communication is up to 507 words for

FP7 CPU

IP XXXXXX

Master

communication

Slave

communication

Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com

Ethernet LAN

Command

Response

Send/receive data using

MEWTOCOL-COM