Compound System Communication - Mitsubishi A1SJ61BT11 User Manual

1 OVERVIEW

1.3.4 Compound system communication

Master station
Refresh specification
1
Data link startup
2
Buffer memory
Remote input (RX)
Remote output (RY)
Remote register (RWw)
Remote register (RWr)
The overview of compound system communication with remote I/O stations, remote
device stations, and local stations is described below.
Refer to Section 4.5 for details.
Remote I/O station
3
Input
4
Output
5
6
Turn on the refresh specification.
1
Startup the data link.
2
By the link scan, data in the remote I/O station's and remote device station's remote
3
input (RX) and local station's remote output (RY) is sent to the master station's
remote input (RX) and local station's remote output (RY).
By the link scan, data in the master station's remote output (RY) is sent to the
4
remote I/O station's and remote device station's remote output (RY) and local
station's remote input (RX).
By the link scan, data in the master station's remote register (RWw) is sent to the
5
remote device station's remote register (RWw) and local station's remote register
(RWr).
By the link scan, data in the remote device station's remote register (RWr) and local
6
station's remote register (RWw) is sent to the master station's remote register (RWr)
and local station's remote register (RWw).
Remote device station
3
Remote input (RX)
4
Remote output (RY)
5
Remote register (RWw)
6
Remote register (RWr)
1 - 12
MELSEC-A
Local station
Refresh specification
1
Buffer memory
Remote output (RY)
3
Remote input (RX)
4
Remote register (RWr)
5
Remote register (RWw)
6