Features Of The Cc-Link System - Mitsubishi Electric Q81BD-J61BT11 User Manual

1 OVERVIEW

1.2 Features of the CC-Link System

Personal computer
Program
mdReceive
mdSend
Personal computer
Program
mdReceive
mdSend
mdSend
mdReceive
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This section explains the features of the CC-Link System.
(1) Remote I/O station communication
The on/off status of a switch or indicator lamp is communicated using the remote
input RX and remote output RY.
Master station
CC-Link Ver.2 board
Read
Remote input
RX
Write
Remote output
RY
(2) Remote device station communication
Handshaking signals with the remote device station (initial request, error
occurred flag, etc.) are communicated using the remote input RX and remote
output RY. The setting data to the remote device station are communicated using
the remote registers RWw and RWr.
Master station
CC-Link Ver.2 board
Read
Remote input
Write
Remote output
Remote
Write
register
RWw
Remote
Read
register
RWr
Link scan
Link scan
Link scan
RX
Link scan
RY
Link scan
Link scan
Remote I/O station
Input
Output
Remote device station
Remote input
RX
Remote output
RY
Remote
register
RWw
Remote
register
RWr
MELSEC
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