7-187.4 Communication Function 1: Computer Link7.4.1 Computer LinkOverviewComputer link• The computer link function is to communicate between a computer and PLCs or between PLC andexternal devices connected. A proprietary MEWNET protocol called MEWTOCOL-COM is used forcommunicating with the computer link. MEWTOCOL-COM is also used for the communication betweenthe tool software such as FPWIN-GR and the PLC.• There are a MEWTOCOL master function and a MEWTOCOL slave function for the computer link. Theside that issues commands is called master, and the side that receives the commands, executes theprocess and sends back responses is called slave.•Note:It is necessary to set the system register of the communication port to the computer link for using thisfunction.3. Only the slave function is available for the FPΣ 12k type.4. Both the master and slave functions are available for the FPΣ 32k type, however, the master functionis not available for the TOOL port.
