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Mitsubishi Electronics AJ65bt-r2 ユーザーズマニュアル

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MELSEC-A
5   PRELIMINARY INFORMATION
(3)   Timing chart
Carried out with sequence program
Carried out by R2
1)
2)
3)
3)
4)
5)
6)
7)
8)
9)
10)
11)
12)
13)
R2 initialization area
Initial data read request signal
                                (RY(n+1)9)
Initial data read complete 
signal                       (RX(n+1)9)
Remote station READY
                                (RX(n+1)B)
Initialization request signal 
                                       (RYn4)
Initialization normal/error 
complete signal    (RXn4/RXn5)
Master station automatic 
update buffer
No.
Details
Control side
1)
The initial data read request signal (RY(n+1)9) turns ON.
Program
2)
The remote station READY (RX(n+1)B) turns OFF.
R2
3)
The initialization area (
R 2
 0
H
 to 19F
H
) and status storage area (
R 2
 1A0
H
 to 1BF
H
) are stored in
the master station's automatic update buffer.
R2
4)
The initial data read complete signal (RX(n+1)9) turns ON.
R2
5)
The initial data read request signal (RY(n+1)9) turns OFF.
Program
6)
The initial data read complete signal (RX(n+1)9) turns OFF.
R2
7)
The remote station READY (RX(n+1)B) turns ON.
R2
8)
The values to be changed are written to the master station's automatic update buffer.
Program
9)
The initialization request signal (RYn4) turns ON.
Program
10)
The contents of the master station's automatic update buffer are stored in the initialization area
(
R 2
 0
H
 to 19F
H
).
R2
11) The initialization normal/error complete signal (RXn4/RXn5) turns ON.
R2
12) The initialization request signal (RYn4) turns OFF.
Program
13) The initialization normal/error complete signal (RXn4/RXn5) turns OFF.
R2
POINT
If the R2 initialization is completed with an error, remove the cause of the error, and
repeat the initialization request until the process ends normally.
R2 will not accept other requests until the initialization is completed normally.
(If an initialization error occurs, the remote station READY signal (RX(n+1)B) will
turn OFF.)