M_SP_NA_1
Single-point information without time tag.
- obj |
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|--- | + head |
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| Reserved | ||||||||
|--- | - ident |
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| | |--- | eType | = 0x01 (1) | = M_SP_NA_1 | |||||||||
| | |--- | bSQ |
| = FALSE | Sequence of information objects | ||||||||
| | |--- | nObj |
| = 1 | Number of objects | ||||||||
| | |--- | bT |
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| Test | ||||||||
| | |--- | bPN |
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| Positive/negative confirmation/activation | ||||||||
| | |--- | eCOT |
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| | |--- | nORG |
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| Originator address | ||||||||
| | |--- | asduAddr |
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| Common address of asdu | ||||||||
| | |--- | eClass |
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|--- | - info |
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| |--- | objAddr |
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| Information object address | ||||||||
| |--- | stream |
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| |--- | length | = 1 |
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| |--- | data |
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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| |--- | data[0] = |
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| 0 | 0 | 0 | SIQ = Single-point information with quality descriptor | |
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| |--- | data[1..IEC870_MAX_ASDU_DATA_BYTE] = |
| Reserved | |||||||