Table of Contents
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4. FUNCTIONS
[Input Data]
3)
The input status of each slave station is automatically stored in the input data area of the
DN91 buffer memory.
4)
The input statuses stored in the input data area of the buffer memory are read to the PLC
CPU using sequence program FROM instruction.
[Output Data]
5)
The ON/OFF information output to the slave stations is written to the output data area of
the buffer memory using the sequence program TO instruction.
6)
The ON/OFF information stored in the output data area of the buffer memory is
automatically output to the slave stations.
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4
2
MELSEC-A
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Table of Contents
Troubleshooting
