Features - Mitsubishi MELSEC-Q Series User Manual

1 OVERVIEW

1.2 Features

1
PLC CPU
Automatic refresh
X
Automatic refresh
Y
PLC CPU
X
Y
D
D
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The features of the CC-Link are described below.
(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 (see Section 4.2.1).
Master station
Remote input
RX
Remote output
RY
(2) Remote device station communication
Signals for handshaking 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
remote registers RWw and RWr (see Section 4.2.2).
Master station
Remote
Automatic refresh
input
(RX)
Remote
Automatic refresh
output
(RY)
Remote
Automatic refresh
register
(RWw)
Remote
Automatic refresh
register
(RWr)
Remote I/O station
Link scan
Input
Link scan
Output
Remote device station
Remote
Link scan
input
(RX)
Remote
Link scan
output
(RY)
Remote
Link scan
register
(RWw)
Remote
Link scan
register
(RWr)
MELSEC-Q
Voltmeter
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