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Chapter 5: Optional hardware installation
MobileView PENTA Installation Manual
73
8. Save and close the INI file.
9. Restart the DVS server and close the remote desktop connection.
Accelerometer functionality is now enabled.
Installing an impact sensor
The MobileView PENTA allows you to connect an optional impact sensor to
sense shock impacts greater than 4 G on the horizontal plane. Shock events
from the impact sensor are typically monitored on digital input 2 using a special
connection configuration that provides input to the DVR and power to the impact
sensor. The sensor, which is typically mounted near the DVR enclosure, comes
with a 7 ft. (2.1 m) cable that is designed to terminate at the DVR as explained
below.
Caution:
Failure to follow the instructions provided may result in damage to the
DVR or the impact sensor. Do not install the impact sensor until you have tested
its functionality on each vehicle. The impact sensor should be mounted on a flat,
stable surface and secured to the frame of the vehicle. The mounting surface
must not be subject to vibrations.
Impact sensor installation requires use of a 10
kΩ, 1/4 W resistor. To avoid
possible shorts, ensure resistor leads are insulated with heat shrink (preferred) or
electrical tape.
To install the impact sensor:
1. Using the impact sensor as a template, mark the location of the two mounting
holes.
The impact sensor should be aligned so that it is square with the front and
rear of the vehicle (see Figure 52 on page 74).
2. Drill the mounting holes with an appropriate size drill bit.
3. Mount the impact sensor.
4. Route the provided cable to the DVR.
If you need to extend the cable, splice a three-conductor 18 AWG cable to the
impact sensor’s cable. The spliced wires must be soldered, and heat-shrink
tubing must be used to insulate exposed wire. The maximum cable length is
25 ft. (7.6 m).
5. Connect the impact sensor cable to the J3 connector as follows (see
Figure 53 on page 74):
Содержание PENTA
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