Technoton DUT-E AF - US-1 Adapter Unit

Accessories / US-1 adapter unit
DUT-E fuel level sensors. Operation manual. Version 8.1
© Technoton, 2020 89
5.2 US-1 adapter unit
In case DUT-E is mounted as a replacement of the factory installed float sensor the fuel gauge
in the vehicle cabin does not operate any more. To enable the fuel gauge working with DUT-E
US-1 adapter unit is used (see figure 61)
ATTENTION: Adapter unit can only operate with DUT-E A5 or DUT-E AF with
1.5…4.5 V configured output signal.
Table 18 — Adapter unit modifications
Order code
Description
US-1-90
Fuel level sensor emulation with low resistance: 0…90 Ohm.
When fuel level increases, resistance increases as well
US-1-800
Fuel level sensor emulation with high resistance: 800…185 Ohm.
When fuel level increases, resistance decreases
Figure 61 — US-1 adapter
Electrical connection of US-1 is carried out in compliance with wire assignment according to
Table 19.
Table 19 — US-1 wires assignment
Wire number
Wire marking
Wire color*
Assignment
1
T034
White
Fuel level sensor signal
(input)
2
GND
Brown
Ground
3
T734
Pink
Fuel level indicator
(output)
4
T733
Pink
Fuel level warning lamp
(output)
5
VBAT
Orange
Power supply “+”
* The Manufacturer reserves the right to change wire colors.