VBOX Automotive

VBOX Motorsport

LabSat

VBOX Positioning

General Knowledge Bases

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GNSS Specifications #

Velocity
Accuracy	0.1 km/h (averaged over 4 samples)
Update Rate	100 Hz
Maximum Velocity	1200 mph
Minimum Velocity	0.1 km/h
Resolution	0.01 km/h
Output Latency	20 ms (fixed)

Absolute Positioning
*Accuracy with RTK**	V: 10 mm; H: 5 mm
*Accuracy Standalone**	V: 1.8 m; H: 1.2 m
*Accuracy with SBAS**	V: 1.2 m; H: 0.8 m
*Accuracy with DGPS**	V: 0.5 m; H: 0.3 m
Update Rate	100 Hz
Resolution	1.8 mm

Distance
Accuracy	0.05% (< 50 cm per km)
Units	metres/feet
Update Rate	100 Hz
Resolution	1 cm

Acceleration
Accuracy	0.50 %
Maximum	20 g
Resolution	0.01 g
Update Rate	100 Hz

Heading
Resolution	0.01°
Accuracy	0.1°

Time
Resolution	0.01 s
Accuracy	0.01 s

Brake Distance Accuracy
Accuracy	± 1.8 cm**

* Specifications will vary depending on the number of satellites used, obstructions, satellite geometry (PDOP), multipath effects, and atmospheric conditions. For maximum system accuracy, always follow best practices for GNSS data collection.

** Based on a trigger stop distance of < 50 m.

Supported GNSS Signals
GPS	L1 and L2
GLONASS	G1 and G2

Outputs #

CAN Bus
Output Data Rate	Selectable baud rate: 125 kbit/s 250 kbit/s 500 kbit/s 1 Mbit/s Software controlled CAN termination.
Data Available	Outputs: Satellite count, time, position, speed, course over ground, heading, vertical velocity, longitudinal acceleration, lateral acceleration, distance, DGPS status Results: Trigger event time, trigger speed, start speed, end speed, deceleration test time, lap time, split time, radius of turn.

CAN Bus

Output Data Rate

Selectable baud rate:

125 kbit/s
250 kbit/s
500 kbit/s
1 Mbit/s

Software controlled CAN termination.

Data Available

Outputs: Satellite count, time, position, speed, course over ground, heading, vertical velocity, longitudinal acceleration, lateral acceleration, distance, DGPS status

Results: Trigger event time, trigger speed, start speed, end speed, deceleration test time, lap time, split time, radius of turn.

RS232 Output
Output Data Rate	Up to 100 Hz
Data Available	NMEA Racelogic (compatible with VBOX Test Suite)

Ethernet Output
Output Data Rate	100 Hz
Data Available	As per CAN data

Digital Output
Signal Levels	Low = 0 V, High = 5 V. Max frequency 4.4 kHz
Output Type	Speed or Lap Beacon

Digital Output

Signal Levels

Low = 0 V, High = 5 V.

Max frequency 4.4 kHz

Output Type

Speed or Lap Beacon

GNSS Antenna Supply
Supply Voltage	5 V DC

Inputs #

Input Power
Input Voltage Range	7.5 to 30 V DC
Power	7.5 W

Digital Input
Input Function	Brake event trigger / track marker

RS232 Input
Input Function	DGPS / RTK Configuration

Environmental and Physical #


Weight	480 g (approximate)
Size (including connector)	139.21 mm x 78.5 mm x 38 mm
Operating Temperature	-20° C to +70° C
Storage Temperature	-40° C to +85° C
IP Rating	IP67

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GNSS Specifications #

Velocity
Accuracy	0.1 km/h (averaged over 4 samples)
Maximum Velocity	1600 km/h
Minimum Velocity	0.5 km/h
Resolution	0.01 km/h
Output Latency	80 ms

Absolute Positioning
*Accuracy with SBAS**	H: 1.3 m CEP*
Resolution	0.00185 m

Distance
Accuracy	0.05% (< 50 cm per km)
Resolution	1 cm

Acceleration
Accuracy	1 %
Maximum	4 g
Resolution	0.01 g

Heading
Resolution	0.01°
Accuracy	0.3°

Brake Distance Accuracy
Accuracy	± 10 cm**

* SBAS enabled as default. Specifications will vary depending on the number of satellites used, obstructions, satellite geometry (PDOP), multipath effects, and atmospheric conditions.

Accuracies stated to 95% CEP (Circle of Error Probable), meaning that 95% of the time the position readings will fall within a circle of the stated radius.

** Based on < 50m brake stop distance.

Supported GNSS Signals
GPS	L1C/A (1575.42 MHz)
GLONASS	L1OF (1602 MHz + k*562.5 kHz, k = -7,...,5, 6)
Galileo	E1-B/C (1575.42 MHz)
BeiDou	B1I (1561.098 MHz)

Outputs #

CAN Bus
Output Data Rate	Selectable baud rate: 125 kbit/s 250 kbit/s 500 kbit/s 1 Mbit/s Software controlled CAN termination.
Data Available	Outputs: Satellite count, time, position, speed, course over ground heading, vertical velocity, longitudinal acceleration, lateral acceleration, distance, DGPS status. Results: Trigger event time, trigger speed, start speed, end speed, deceleration test time, lap time, split time, radius of turn.

CAN Bus

Output Data Rate

Selectable baud rate:

125 kbit/s
250 kbit/s
500 kbit/s
1 Mbit/s

Software controlled CAN termination.

Data Available

Outputs: Satellite count, time, position, speed, course over ground heading, vertical velocity, longitudinal acceleration, lateral acceleration, distance, DGPS status.

Results: Trigger event time, trigger speed, start speed, end speed, deceleration test time, lap time, split time, radius of turn.

RS232 Output
Output Data Rate	Up to 25 Hz
Data Available	NMEA Racelogic (compatible with VBOX Test Suite)

Digital Output
Signal Levels	Low = 0 V, High = 5 V. Max frequency 4.4 kHz
Output Type	Speed or Lap Beacon

Digital Output

Signal Levels

Low = 0 V, High = 5 V.

Max frequency 4.4 kHz

Output Type

Speed or Lap Beacon

GNSS Antenna Supply
Supply Voltage	5 V DC

Inputs #

Input Power
Input Voltage Range	7.5 to 30 V DC
Power	7.5 W
Nominal Power Consumption	~ 3.9 Watts at 12 Volt input

Digital Input
Input Function	Brake event trigger / track marker

RS232 Input
Input Function	Configuration with VBOX Setup

Environmental and Physical #


Weight	480 g (approximate)
Size (including connector)	139.21 mm x 78.5 mm x 38 mm
Operating Temperature	-20° C to +70° C
Storage Temperature	-40° C to +85° C
IP Rating	IP67

VBOX 100 Hz Speed Sensor (v5) #

VBOX 25 Hz Speed Sensor (v2) #

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