M_IT_TA_2
Accounting integrated totals, 4 octets each
- obj |
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|--- | + head |
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| Reserved | |||||||||
|--- | - ident |
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| | |--- | eType | = 0x2 (2) | = M_IT_TA_2 | ||||||||||
| | |--- | bSQ |
| = FALSE | Sequence of information objects | |||||||||
| | |--- | nObj |
| = i | Number of objects | |||||||||
| | |--- | bT |
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| Test | |||||||||
| | |--- | bPN |
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| Positive/negative confirmation/activation | |||||||||
| | |--- | eCOT |
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| | |--- | asduAddr |
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| Common address of asdu | |||||||||
| | |--- | eClass |
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|--- | - info |
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| |--- | rcdAddr |
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| Record address | |||||||||
| |--- | stream |
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| |--- | length | = i * ( 6 + [ 1 (signature) ] ) + 5 |
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| |--- | data |
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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| |--- | data[0] = | IOA | Information object address | Information object 1 | |||||||
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| |--- | data[1..4] = | CR4 | Counter reading, 4 octets | ||||||||
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| |--- | data[5] = | Sequence | Quality descriptor | ||||||||
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| |--- | data[6] = | Signature | Signature (optional) | ||||||||
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| |--- | data[7..length - 6] = |
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| Information object 2..i | |||||||
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| |--- | data[length - 5..length - 1] = | Five octets binary time tag | |||||||||
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| |--- | data[length..IEC870_MAX_ASDU_DATA_BYTE] = |
| Reserved | ||||||||