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MELSEC-Q
6 DATA COMMUNICATION USING THE NON PROCEDURE PROTOCOL
Q series C24 ready signal
Transmission instruction
OUTPUT instruction
OUTPUT instruction complete device
OUTPUT instruction complete device + 1
(normal completion/abnormal
completion)
Transmission data count designation area
(buffer memory address: 400
H
)
Transmission data storage area
(buffer memory address: 401
H
to)
OUTPUT
(X1E)
1 scan
0n
Transmission data
Transmitting data
1)
2)
3)
4)
ON when transmission
abnormal completion
1) Starts the local station PLC.
The setting values for GX Developer are stored in the Q series C24.
2) Inputs the user data transmission command signal.
3) Executes the OUTPUT instruction after storing the transmission data and the
control data for the OUTPUT instruction in the device.
Data is sent when the OUTPUT instruction is executed.
4) When the Q series C24 transmission processing completes, the completion device
for the OUTPUT instruction turns ON.
When the completion device + 1 (abnormal completion signal) turns ON, the error
code is stored in the control data completion status (S1+1).
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