Skip to Content
CommandsGPSPK

PK Command - Parking Mode (Anti-Tow)

Establishes a virtual geofence from the current vehicle position to detect if it’s being towed or moved without authorization.

What is it for?

  • 🚛 Tow detection — Alert if the vehicle is loaded onto a tow truck
  • 🔒 Parking security — Protect the vehicle while it’s turned off
  • 📍 Position control — Verify that the vehicle remains in place
  • 🚨 Anti-theft system — Complement for vehicle alarms
  • 🏢 Parked fleets — Monitor vehicles in depots or parking lots

Operation

  1. Configure — Define index, radius and confirmation time with SPKE
  2. Activate — Execute SPKA to capture current position as geofence center
  3. Monitoring — The device continuously compares GPS position with the center
  4. Detection — If the vehicle exits the radius during the configured time, the PK+ signal is triggered
  5. Reset — The signal resets when executing SPKA again or SPKD to disable

The confirmation time prevents false alarms due to GPS fluctuations. The vehicle must remain outside the radius for the entire duration to trigger the alert.

Command Summary

ActionCommandDescription
ConfigureSPKEaabbbbbcccDefine index, radius and time
AcquireSPKACapture current position as center
DisableSPKDDeactivate parking mode
QueryQPKaaGet current configuration

Parameters

FieldDescriptionValues
aaParking index00-15
bbbbbRadius in meters00001-99999
cccConfirmation time (seconds)001-999

The confirmation time prevents false alarms: the vehicle must be outside the radius for ccc seconds to activate the signal.

Associated Signals

SignalDescription
PK00Parking index 0 activated
PK01Parking index 1 activated
…Up to PK15

Examples

Basic anti-tow configuration

>SPKE0000050015<
// Index 00, 50 meter radius, 15 seconds confirmation

Activate parking (capture position)

>SPKA<
// Takes current position as geofence center

Deactivate parking

>SPKD<
// Deactivates mode and resets PK signal

Use in Event Rules

Automatic anti-tow system

// When turning off vehicle: activate parking
>SRL00E;TRG=IN07-;ACC={SPKA}{SCXGPS1}<
 
// If tow detected (and vehicle still off): alert
>SRL01E;TRG=PK00+;CND=IN07!;ACC={STX PK TRIGGER ;@TRM}{GCQ78H}{SCXGPS0}<

The SCXGPS1 command activates GPS even when the vehicle is turned off, allowing updated position during a potential theft.

For detection to work properly, GPS must have good reception when executing >SPKA<. In areas with poor signal, consider increasing the radius.

Compatibility

💾Firmware:v1.00.00
SPLegacy
ULLegacy
MTLegacy
C3Legacy
C5Legacy
SP-IOT
SM-IOT
ZE-IOT
Last updated
ODRG