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OPERATOR'S DISPLAY AND SWITCH
Reading the Speedometer
The top window of the speedometer/display gauge is
the speedometer section. The display shows the
speed indicated by the frequency being received by
the gauge. This can be adjusted using the potentiom-
eter on the back of the gauge. In addition, the units
for the display can be changed. Terminal #4 controls
the displayed units. If #4 is grounded, the display will
be metric. If terminal #4 is left open, the display will
be in English units.
Reading the Load Display
The lower display on the speedometer/display gauge
is used for payload information. The SELECT posi-
tion on the operator switch allows the user to scroll
through a number of useful displays. The order for
the displays is as follows:
PL
•
= Payload
Id
•
= Operator ID
tL
•
= Total Shift Tons
LC
•
= Shift Load Counter
LF
•
= Left Front Suspension Pressure
rF
•
= Right Front Suspension Pressure
Lr
•
= Left Rear Suspension Pressure
rr
•
= Right Rear Suspension Pressure
In
•
= Inclinometer
The display holds the displayed information until the
SELECT switch is pressed again. The suspension
pressures, inclinometer, and payload displays are
based on current sensor inputs.
Communications to the display use the same serial
link as the download connection. Whenever another
computer is connected to serial port #1 to download
or configure the system, the lower display will blank.
This is not the same connection used by mine dis-
patch systems.
M20-10
Using the Operator ID
The current operator ID number is recorded with
each haul cycle. The number can be between 0 and
9999.
To set the Operator ID:
1. Press the "SELECT" switch until Id= is dis-
played.
2. Hold the "SET" button until 0000 is displayed.
The first digit should be flashing.
3. Press the "SET" button again to change the
digit.
4. Press the "SELECT" button once to adjust the
second digit.
5. Use the "SET" button again to change the digit.
6. Press the "SELECT" button once to adjust the
third digit.
7. Use the "SET" button again to change the digit.
8. Press the "SELECT" button once to adjust the
fourth digit.
9. Use the "SET" button again to change the digit
10. Press the "SELECT" button one more time to
enter the ID.
If no buttons are pressed for 30 seconds, the display
will return to normal operation. The number being
entered will be lost and the ID number returns to the
previous ID number.
Using the Load and Ton Counter
PLMIII allows the truck operator to monitor and track
the total tons hauled and the number of haul cycles
during the shift. This display can be cleared at the
beginning of each shift to allow the operator to record
how many loads and tons have been hauled during
the shift.
Total Ton Counter
The total ton counter records the number of tons
hauled since the last time it was cleared. This display
is in 100's of tons. For example, if the display shows
432
the total tons is 43,200. This display can be
cleared at the beginning of each shift to allow the
operator to record how many tons have been hauled
during the shift. The units are selected using the PC
software.
• To view the total ton counter press and release
the "SELECT" switch until
the gauge.
Payload Meter III
tL
= is displayed on
02/05 M20008
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