TD — Time and Distance
Configures time and distance-based reporting triggers. Supports 10 slots (TD0–TD9).
Format
- Query:
>QTD{N}< - Set:
>STD{N}{MIN_TIME}0000{DISTANCE}{MAX_TIME}< - Response:
>RTD{N}{MIN_TIME}0000{DISTANCE}{MAX_TIME}<
| Field | Size | Description |
|---|---|---|
N | 1 | Slot index (0–9) |
MIN_TIME | 4 digits | Minimum time between reports (seconds) |
0000 | 4 digits | Reserved (always 0000) |
DISTANCE | 4 digits | Distance trigger (meters) |
MAX_TIME | 4 digits | Maximum time between reports (seconds) |
Examples
Configure TD0: report every 60 seconds minimum, every 300 seconds maximum, or every 500 meters:
>STD000600000050003000<
Query TD0:
>QTD0<
>RTD000600000050003000<
Disable TD0:
>STD00000000000000000<
Notes
- When both time and distance conditions are configured, reports are sent when either is met.
MAX_TIMEensures a report is sent even if the vehicle is stationary.- TD signals (TD0–TD9) become active when the respective trigger fires.
Related Signals
TD0–TD9— time/distance trigger signals