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This is the Datapoint representation of an IEC 104 ASDU.
| Attribute | Description | Expected values | Mandatory |
|---|---|---|---|
| do_type | Yes | ||
| do_ca | Yes | ||
| do_oa | Yes | ||
| do_cot | See Cause of Transmission | Yes | |
| do_test | [0..1] (default = 0, test data object = 1) | Yes | |
| do_negative | Yes | ||
| do_ioa | Yes | ||
| do_value | SPI : [0..1] DPI : [0..3] (M_DP) VTI : [-64..63] BSI : [0..232-1] NOR : [-1..1-2-15] AJU : [-215..215-1] FLO : IEE 32 bits ST : [0..216-1] BCR : [-231..231-1] ES : [0..3] SPE : [0..63] OCI : [0..15] | No | |
| do_quality_iv | Invalidity | [0..1] (Valid = 0, Invalid = 1) | No |
| do_quality_bl | Bloqued | [0.. |
| 1] ( |
| non bloqued = 0, bloqued = 1) | No | ||
| do_quality_ov | Overflow | [0..1] (normal = 0, overflow = 1) | No |
| do_quality_sb | Substitued | [0..1] (non forced = 0, forced = 1) | No |
| do_quality_nt | Non topical | [0..1] (up to date = 0, outdated = 1) | No |
| do_ts | No | ||
| do_ts_iv | No | ||
| do_ts_su | No | ||
| do_ts_sub | No |
| Code Block | ||
|---|---|---|
| ||
{
"data_object":{
"do_type":"M_SP_TB_1",
"do_ca":18325,
"do_oa":0,
"do_cot":3,
"do_test":false,
"do_negative":false,
"do_ioa":6468178,
"do_value":1,
"do_quality_iv":true,
"do_quality_bl":false,
"do_quality_ov":false,
"do_quality_sb":false,
"do_quality_nt":false,
"do_ts":1653484330239,
"do_ts_iv":true,
"do_ts_su":false,
"do_ts_sub":false
}
} |
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