IEC101
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IEC 870-5-101
2015-04-13 15:40:12.189 Gateway.Imatra.port.write - 68 16 16 68 53 01 00 24 01 03 01 00 1B 04 3C A2 C2 40 00 AB 28 28 0F 0D 04 0F A6 16
24 01 03 01 00 1B 04 3C A2 C2 40 00 AB 28 28 0F 0D 04 0F A6 16
| 16 | stop |
| A6 | checksum |
| AB 28 28 0F 0D 04 0F | Timetag http://phobos.martem.ee/shr/CP56t2a/CP56Time2a_experimental.exe |
| 00 | Quality descriptor (iv, nt, ..., defined in 7.2.6.3) |
| 3C A2 C2 40 | Value (0x40C2A23c == 6.082304) defined in 7.2.5) http://gregstoll.dyndns.org/~gregstoll/floattohex/ |
| 1B 04 | IOA (object address 2 bytes) |
| 01 00 | Common addr of ASDU (defined in 7.2.4) |
| 03 | Cause of transmission COT (1 byte) defined in 7.2.3) |
| 01 | Variable structure qualifier (nr of objects) |
| 24 | Type identification (type 36 short float with timetag) |
68 16 16 68 53 01 00
| 01 00 | Link address (2 bytes) | |
| 53 | Control field | (PRM, FCB, FCV, DFC, ACD, Fuction codes) (defined in 5.1.2 -> 870-5-2) |
| 68 | Start | |
| 16 | Length(=22 dec) | |
| 16 | Length | |
| 68 | Start |
EXAMPLE Measured value, short floating point value with time tag CP56Time2a M_ME_TF_1
| 68 40 40 68 73 01 00 | |||
| 24 04 03 01 00 | |||
| 38 11 00 00 00 00 00 D9 5C 28 0F 0D 04 0F | addr 472 value 0 time 2015.4.13 15:40:23:769 | ||
| 8D 02 48 30 70 43 00 D9 5C 28 0F 0D 04 0F | addr 653 value 240,188 time 2015.4.13 15:40:23:769 | ||
| 8E 02 00 00 00 00 00 D9 5C 28 0F 0D 04 0F | |||
| 8F 02 00 00 00 00 00 D9 5C 28 0F 0D 04 0F | |||
| C9 16 |