Mitsubishi Electric Q81BD-J61BT11 User Manual page 192

12 COMMUNICATION BETWEEN THE MASTER STATION AND LOCAL
STATIONS
Master station
Personal
computer
+
Q80BD-J61BT11N
Q81BD-J61BT11
Terminal resistor
Occupies 4 stations
Local station (station No. 1)
Personal
computer
Q80BD-J61BT11N
Q81BD-J61BT11
12 - 8
(2) Confirming the operation with a user program
With the user program, check whether the data link is being performed normally
or not by transferring data between the master station and local stations.
Use of the sample program allows the operation check in the following system
configuration.
(Execute user program of the local station within 10 minutes after an user
program of the master station has been loaded.)
When the remote output (RY0) 2) turns ON, the remote input (RX0) 1) turns ON.
When the remote output (RY0) 3) turns ON, the remote input (RX0) 4) turns ON.
When data are set to the remote register (RWw0) 6), values are written to the
remote register (RWr0) 5).
When data are set to the remote register (RWw0) 7), values are written to the
remote register (RWr0) 8).
+
Terminal resistor
1) Master station
RX0
Receive
(RX)
2) Local station
RY0
3) Master station
RY0
Send
(RY)
4) Local station
RX0
5) Master station
RWr0
Receive
(RWr)
6) Local station
RWw0
7) Master station
RWw0
Send
(RWw)
8) Local station
RWr0
MELSEC
n2 5555
H
n1 5555
H
m2 5555
H
m1 5555
H
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