7 DATA COMMUNICATIONS USING BIDIRECTIONAL PROTOCOL
7.2.3 Sequence program for data transmission
A sequence program for data transmission is explained below.
For details on the BIDOUT instruction for data transmission, see Chapter 9.
Transmission |
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| Create transmission data from D11 |
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Create control data from D0
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| G.BIDOUT | Un | D0 | D11 | M0 |
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| Processing for normal completion |
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Q series C24 ready signal | (X1E) |
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Transmission instruction |
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BIDOUT instruction |
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BIDOUT instruction complete device |
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BIDOUT instruction complete device + 1 |
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(Normal completion/abnormal completion) |
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Transmission data count designation area |
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(buffer memory address: 400H) |
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Transmission data storage area |
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| Transmission data |
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(buffer memory address: 401H to) |
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| Data transmission |
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7 - 19 | 7 - 19 |