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MELSEC-
A
6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
(b) When using the TO command
This is used only when writing to the D75P2-designated buffer memory.
When using the TO command, the master module buffer memory will be
used as the transmission buffer for the control data and write data.
The complete status will be stored in the reception buffer.
The data designated with the transmission buffer is written to the D75P2
buffer memory using the intelligent device station access request
(complete) signal (RY(n+7)E and RX(n+7)E).
(Example) Writing the axis 1 speed limit value
Bank 1 + M 200
H
Bank 2 + M 201
H
Intelligent device station access
complete si
g
nal
(
RX
(
n+7
)
E
)
Intelligent device station access
request signal (RY(n+7)E)
Request for writing to
D75P2 buffer memory
TO command
execution
Write process
complete
Completion of writing to
D75P2 buffer memory
Complete status
Station No., request code
Control
data
(Reception buffer)
2
6
H
7
H
Bank 1 + M 8
H
Bank 1 + M 9
H
Dummy area
Bank 1 + M 3
H
D75P2
Station No., request code
Transmission buffer
write data size (byte)
Quantity
Access code, attribute
Buffer memory address
Number of write points
(word)
Axis 1 speed limit value
Control
data
Write
data
Bank 1 + M 2
H
Bank 1 + M 4
H
Bank 1 + M 5
H
Bank 1 + M 7
H
Bank 1 + M 6
H
Master module
(Transmission buffer)
Address
Address
Bank 1 + M 1
H
Bank 1 + M 0
H
1
Axis 1 speed limit value