VC4000 Manual
81
(PC) Sample Rate
Sample rate is how often the computer samples all the sensors.
100Hz means it samples 100 times per second, or once every 0.01
seconds. The VC4000PC can be set to sample at 1, 10, 100, 500 or
1000Hz for acceleration and monitor mode. Brake mode is always
100Hz regardless of the sample rate setting. If 500Hz is chosen the
number of extra sensors that can be turned on is 13. If 1000Hz is
chosen the number of extra sensors that can be turned on is 5.
Regardless of the sample rate, GPS will only sample every 5Hz and
OBDII is limited depending on the vehicle. VC4000 Brake Meter is
always 100Hz.
To set the Sample Rate:
1. Select
Accelerometer…
from the Setup menu
2. Select
Sample Rate
3. Select 1, 10, 100, 500 or 1000
Default Rate is 100.
These settings generally are for acceleration testing.
Vehicle Weight
The VC4000 defaults to
1000 pounds
unless you have changed it.
Profile reads the VC4
000’s weight when uploading to a computer.
Vehicle weight is used in horsepower and torque calculations only. If
you do not change the weight, horsepower and torque will be per
1000 pounds. Simply multiply HP/1000 by vehicle weight (including
cargo) to get actual rear wheel HP and torque.
To set the Vehicle Weight:
1. Select
Performance…
from the Setup menu
2. Select
Vehicle Weight
3. Type in a number from 1 to 9999.
4. Press
ENTER / YES
.
Default weight is 1000.
Performance Setup
