Read/write image data
Text function blocks: D1 – D16
The following commands are used to read the logic state of the individual text function blocks (D markers).
Telegram structure
Byte |
| Meaning | Value (hex), sent by | ||||
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| Master |
| Slave |
0 |
| Toggle byte | J page 44 |
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1 |
| Command: Read |
| 88 |
| – | |
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| Response: |
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| Read successful | – |
| C2 | |
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| Command | – |
| C01 | |
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| rejected |
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2 |
| Len |
| 01 |
| 01 | |
3 |
| Type |
| 94 |
| 94 | |
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4 |
| Index | 00 |
| 00 | ||
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5 |
| Data 1 (Low Byte) | 00 |
| J Table 12 | ||
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6 |
| Data 2 (High Byte) |
| 00 |
| J Table 12 | |
7 – 8 |
| Data 3 – 4 |
| 00 |
| 00 | |
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1)Possible causes J page 91 Table 12: Byte 5 to 6: Data 1 to 2
Data 1 | Bit 7 6 5 4 3 2 1 0 |
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D1 | 0/1 |
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D2 | 0/1 |
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... | ... |
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D8 | 0/1 |
Data 2 | Bit 7 6 5 4 3 2 1 0 |
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D9 | 0/1 |
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D10 | 0/1 |
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... | ... |
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D16 | 0/1 |
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MN05013001E | For more information visit: www.EatonElectrical.com | 53 |
