VC4000DAQ Manual
85
Figure 30: GPS sensor
To use it the RS232 port first be
turned on and set to GPS
for the
input.
1. Select
RS232 port
from the Setup menu
2. Select
GPS
from the menu
3. Select Port 1 usually
4. Press
CLEAR / NO
to get back to the Setup menu
To turn the GPS sensor on:
1. Select
Sensors…
from the Setup menu
2. Select
GPS Sensors
3. Select
GPS On/Off
4. Select
ON
to save GPS position at start and end of the test
5. Select
GPS Speed
6. Select
ON
to save speed every 5Hz
VC4000 Setup
VC4000DAQ Manual
86
The internal accelerometers have several settings.
G Summation
Use X, XY or XYZ axes for acceleration
G smoothing
Smooth acceleration data
Zeroing On/Off
Zero the accelerometers before a test
Accel Range
Choose 2G or 6G maximum acceleration
G adjust
Finely tune the pitch and roll factors
Graph Range
Set the range for the on screen graphs
Alarm Threshold Set the accelerometer alarm for monitor G mode
Sample Rate
Choose 1, 10, 100, 500 or 1000Hz
G Summation
Summation OFF
o
VC4000 mounted flat and level testing
direction in line with the X axis
o
Uses X axis only for calculations
Summation 2D (XY)
o
VC4000 mounted flat and level
o
Uses the summation of X and Y vectors
for G and calculations
o
“G” is the summation of X Y vectors
o
“Gz” is the vertical axis
Summation 3D (XYZ)
o
VC4000 mounted at any angle
o
Uses the summation of X Y and Z
vectors for calculations
o
“G” is the summation of X Y Z vectors
Accelerometer Setup
