Faria Instruments IS0157 User Manual
Uncasville, CT
INSTRUMENTS
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Owner’s Manual
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Electronic
Programmable
Speedometer
IS0157
ISO157A ECR#3131 12/02
Index
Description
Odometer Page 1
Trip Odometer Page 1
Hour-meter Page 1
Over Speed Condition Page 2
Maximum Saved Speed Page 2
Setting the Speedometer Page 3
Boot menu Page 3
Service Hours Page 3
Service Distance Page 4
Clear Hours Page 4
Clear Distance Page 4
Program High Axle Page 4
Program Low Axle Page 5
Input Level control for the speed pulse input Page 5
Run Menu
Clear Odometer Page 6
Set Speed (Over Speed indicator) Page 6
Calibrate Hi Axle Page 6
Calibrate Low Axle Page 7
Harness P1 6 pin connector Page 8
Harness P2 4 pin connector Page 9
COMMERCIAL SPEEDOMETER
Functions available:
1. Odometer display
2. Trip odometer display (resetable)
3. Hour-meter (either rpm or key-on)
4. Service interval for miles or kilometers
(reset, clear and disable features)
5. Service interval for hours (reset, clear
and disable features)
6. Over-speed indicator (microprocessor
output level change at over-speed,
resetable)
7. Two speed axle, selected by input to
microprocessor.
8. Pulses per mile or kilometer input or
change.
A. PPM can be done automatically by
the microprocessor.
B. PPM numbers can be entered using
the push-button.
C. All features available for both high
and low speed axles.
9. Display the highest speed recorded by
the microprocessor (resetable). The
hour-meter and the odometer reading
at the maximum speed time are also
recorded. This information is not
available for display or resetting.
The speedometer must be returned to
the factory for reading.
Detail description
Odometer
The commercial speedometer contains an
odometer to maintain a record of the total
mileage and trip mileage. During normal
operations and after a power on the
odometer display shows;
Trip Odometer
The Trip odometer allows you to keep a
record of the trip miles or kilometers
independent of the Odometer.
The Trip Odometer is fully user resetable.
While in the Trip Odometer display press
the push-button for 4 seconds and the Trip
odometer is reset to zero.
The speedometer is capable of switching
between two different speed axles, selected
by inputting a high or low level on an input
pin.
The pointer travels over a 270-degree dial to
indicate mph (or kph) indicates the speed.
The kph is handled the same as a mph in
the microprocessor. The pulses per mile
will be pulses per kilometer and the self-cal
will be for 1 kilometer instead of 1 mile.
There is no provision to change from miles
to kilometers.
Hour-meter
The speedometer also contains an hourmeter that is always activated by an external
input so that actual engine hours can be
recorded. Quick press the push-button while
in the Trip Odometer function displays the
Hour-meter.
This display cannot be reset. A quick press
of the push-button changes th e display to
the Trip odometer.
Page 1
The last digit on the right blinks up and
p
n
d
down indicating the hour-meter function.
The hour-meter cannot be reset.
Grounding P1-E thru an oil low pressure
switch can stop the hour-meter. If P1-E is
not grounded then the hour-meter will run
continuously with the key on. To provide a
true engine running hour-meter an
external low oil pressure switch is
normally used. The low oil pressure switch
is closed connecting the pin to ground.
The hour meter is not running. When the
engine is running the normal high oil
pressure opens the low oil pressure switch
allowing the hour-meter to operate.
pressing the push-button for 4 seconds.
Another feature of the speedometer is to
keep track of and indicate when a service
interval has passed. The interval can be
either or both mileage and hours.
A seven digit display readout displays the
total mileage, the trip mileage, hour-meter
or maximum saved speed (cleared by
pressing and holding the push-button for 4
seconds while in the maximum speed
display), the menu items are scrolled by
pressing and releasing the push-button on
the speedometer.
Over S
eed conditio
An over-speed condition will ground P1-C
(maximum 40 milliamp load) on the
speedometer when a pre-set speed has
been passed. This output can be utilized
by the customer to activate a warning
device.
Maximum Saved Spee
This speedometer will also record the
maximum speed under normal conditions.
The maximum speed is displayed and
changes as t he sp eed is increased over the
current maximum.
The maximum speed can be reset by
Page 2
If a service interval has been passed the
display will show a service message (one
time only).
Service Hours
Service Distance
Pressing the push-button will return the
display to the primary mileage and hour
displays.
The service interval message will also show
once every time the speedometer is
powered up. The display can be cleared by
the push-button. The pulses per mile output
from the sensor to the speedometer can be
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