Mitsubishi Electric Q80BD-J61BT11N, User Manual

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MELSEC
4 FUNCTIONS
4.2.4 Communication with the intelligent device station
The following explains an overview of the communication between the master station
and the intelligent device station.
(1) Communication between the master station and the intelligent
device station by cyclic transmission
Handshaking signals with the intelligent device station (positioning complete,
positioning start. etc.) are communicated using the remote input RX and remote
output RY. Numeric data (positioning start number, present feed value, etc.) is
communicated using the remote register RWw and remote register RWr.
Link scan
Link scan
Read
mdReceive
mdSend
Remote input
RX
Remote output
RY
Network
parameters
1)
3)
4)
2)
5)
Personal computer Master station
Intelligent device
station
Buffer memory
Remote register
RWw
Remote register
RWr
mdSend
mdReceive
6)
9)
Link scan
7)
Link scan
8)
Numeric data such
as positioning start
number and speed
change value
Numeric data such
as present feed value
and send speed
Handshaking signals
such as initial data
processing request
and positioning
complete
Handshaking signals
such as initial data
processing complete
and positioning start
Remote register
RWr
Remote register
RWw
Remote input
RX
Remote input
RY
Write
Write
Read
CC-Link Ver.2 board
Program