Specification
16
3.6.3 FUEL LEVEL (FLEXIBLE) INPUTS
The Fuel level input is also configurable as a ‘Ratiometric’ analogue inputs are provided. This is able
to be configured as Digital, Resistive, 0-10 V or 4-20 mA.
3.6.3.1 FUEL LEVEL INPUT AS DIGITAL
Arrangement Contact between input terminal and battery negative
Low level threshold 2.1 V minimum
High level threshold 6.6 V maximum
Max input voltage +60 V DC with respect to battery negative
Min input voltage -24 V DC with respect to battery negative
Contact wetting current 7 mA typical
Open circuit voltage 12 V typical
3.6.3.2 FUEL LEVEL INPUT AS RESISTIVE
Arrangement Differential resistance measurement input with individual common
terminals for each sensor input
Measurement current 9.3 mA typical
Full scale
480 Ω
Sensor fail Values greater than full scale return an over range sentinel that may be
interpreted as sensor fail if appropriate (host controller dependant)
Resolution 1% of full scale
Accuracy ±-2 % of full scale resistance, excluding transducer (sensor) error
Maximum common
mode voltage
3 V
Transducer
(sensor type)
Configurable in host controller
Use with contacts Inputs may be used with a contact to ground providing the corresponding
common terminal is grounded. (ie can be used as digital inputs if correctly
configured in the host controller)
3.6.3.3 FUEL LEVEL INPUT AS 0-10V
A future firmware update to the controller will enable this feature. Check with DSE Technical Support
for further details.
3.6.3.4 FUEL LEVEL INPUT AS 4-20MA
A future firmware update to the controller will enable this feature. Check with DSE Technical Support
for further details.
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