High positional accuracy with pitch/slip and roll (VB3iSL-RTK)
August 2011
Inputs
Outputs
CAN Bus
Two CAN Bus interfaces are available on VB3iSL-RTK. By
utilising separate CAN Bus connections it allows data to be
logged from external modules (e.g. TC8, FIM02). Up to 16
CAN signals can also be logged from a different CAN source
(e.g. Vehicle CAN Bus). When logging data from another
source, VBOX Tools can load signal data from an industry
standard CAN database file (.DBC).
CAN Bus
One of the two VBOX CAN ports can be used to output VBOX
GPS parameters plus any 12 channels from connected input
modules or internal AD channels. The baud rate and CAN id’s
for these outputs are user configurable.
Brake Trigger
By using a physical pressure switch on the brake pedal, a
precise ‘start of braking event’ can be captured.
RS232
RS232 connector is used for VBOX configuration and output of
real-time GPS data. Serial data sent to the software is limited
by the bandwidth of the PC serial port - 20Hz (Full 100hz serial
is available via USB / Bluetooth).
Log Switch
A start/stop logging switch allows users to manually choose
when they wish to record data.
USB
VB3iSL-RTK USB connector can be used for VBOX Configuration
to output real-time data at 100Hz.
4x Analogue Input
Each of the four Analogue Input channels on a VB3iSL-RTK
has a dedicated 24bit analogue converter. Data is recorded
from each channel simultaneously to avoid latency
between analogue channel data. The name, scale and offset
of each Analogue Input channel can be adjusted using VBOX
Tools software to allow sensor calibration and therefore
logging of data in standard SI units.
The Analogue Input connector also provides two power
outputs that may be used for driving sensors. These are in
the form of a 5v DC isolated supply and an output equal to
the VBOX power supply voltage.
2x Analogue Outputs
2x 16bit analogue outputs can be configured to output velocity
(or other GPS parameters) for use by additional data logging
equipment. The voltage output range is from 0 to 5v DC with a
resolution of 76 μV per bit.
2x Digital Outputs
Two digital outputs are available on VBOX3i SL. One Digital
output is assigned to Speed/Distance – configurable via Pulses
per Meter. While the second is a level switch output enabling
users to select any one of the logged channels and assign it a
threshold value.
Voice Tagging
VB3iSL-RTK can record a GPS synchronised WAV audio tag
up to 30 seconds long to a time accuracy of 0.5 sec. The
recorded WAV file is then logged to the CF card.
Bluetooth
VB3iSL-RTK comes equipped with an internal Bluetooth Radio
allowing remote configuration and remote output of real-time
GPS data to any Bluetooth capable PC or Data logger. The
Bluetooth connection is capable of sending data at the full
100Hz rate.
Power Supply
VB3iSL-RTK can accept a supply voltage between 7 to 30V
DC. Low current consumption results in extended battery
life.
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