Communication In Compound Systems - Mitsubishi A1SJ61BT11 User Manual

4 FUNCTIONS

4.5 Communication in Compound Systems

The overview of the communication where the remote I/O station, remote device
station and local station coexist in the system.
PC CPU
SET Yn0
SET Yn8
FROM
FROM
FROM
FROM
TO
TO
TO
TO
TO
TO
TO
13
FROM
13
FROM
13
FROM
Master station
1
Refresh specification
Data link startup
2
by EEPROM
parameters
Buffer memory
Remote input (RX)
5
Receive area
from remote
I/O station No. 1
5
Receive area
from remote
device station No. 2
5
Receive area from
local station No. 3
5
Receive area from
local station No. 4
Remote output (RY)
6
Send area to remote
I/O station No. 1
6
Send area to remote
device station No. 2
6
Send area to
local station No. 3
6
Send area to
local station No. 4
Remote register
(RWw)
Unusable
(station No. 1)
8
Send area to remote
device station No. 2
8
Send area to
local station No. 3
8
Send area to
local station No. 4
Remote register
(RWr)
Unusable
(station No. 1)
Receive area
from remote
device station No. 2
Receive area from
local station No. 3
Receive area from
local station No. 4
Remote I/O station (station No. 1)
3
Input
3
3
3
7
Output
11
12
12
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MELSEC-A