Cycle Time Measuring
The duration of the process data cycle can be measured with DPV1.
The cycle time measurement is started or stopped using DPV1 Write:
Slot number | Index | Length | Data | Description |
|---|---|---|---|---|
0 | 99 | 4 | Byte 0: 0x04 | Start the cycle time measurement |
Byte 1: 0x01 | ||||
Byte 2: 0x01 | ||||
Byte 3: 0x00 | ||||
0 | 99 | 4 | Byte 0: 0x04 | Stop the cycle time measurement |
Byte 1: 0x01 | ||||
Byte 2: 0x00 | ||||
Byte 3: 0x00 |
The minimum, maximum, mean (of the last 200 cycles) and current cycle time can be read with DPV1 Read and reset with DPV1 Write:
Slot number | Index | Length | Data | Description |
|---|---|---|---|---|
0 | 98 | 8 | Byte 0, 1 | Minimum cycle time in µs (INTEL format, low byte first) |
Byte 2, 3 | Maximum cycle time in µs (INTEL format, low byte first) | |||
Byte 4, 5 | Mean cycle time in µs (INTEL format, low byte first) | |||
Byte 6, 7 | Current cycle time in µs (INTEL format, low byte first) |