A. Technical Data
Operating Temperature
Operating Temperature: -40°C to + 85°C (at nominal voltage)
Visible restrictions: for LCD outside -20°C and +70°C
Storage Temperature
Storage temperature: -40°C to +85°C
LCD Humidity resistance: +65°C ± 2°C
+2
90% r.F.
-3
%
Supply Voltage
Nominal Voltage: + 12 V and + 24 V
Operating Voltage: + 10,5 V to + 32 V as standard
Test voltage: + 14 V and + 28 V
Total Supply Current: 200 mA ± 20% for Master and 110 mA per Satellite
Satellite supply: + 10,5V to + 32V, current consumption max. 2 A
Sensor supply: + 8 V ± 10% (8 V - 0%, +10% at 24 V), Imax: 50 mA
Ground is connected to the negative battery terminal.
Idle Current
The Ignition off current (stand by mode) is 4 mA for the System (Master and Satellites).
Ground shift
Ground shift on non-analogue inputs are assumed to be < ± 0.5 V.
i.e. all digital input have to work with an additional signal offset of ± 0.5 V
EMC Requirements
See enclosures
Overvoltage Protection
The Master can withstand a voltage of 56 V for 5 minutes without damage (SAE J1810).
I/O circuit protection
The gauges are protected against reversed battery polarity.
Cable requirement
To the Master:
Type cross section: 0,5 mm²
From Master To Satellite
Type cross section: 0,75 mm²
Max quantity of gauges: 16 Satellites
U
Max. cable length: 10 m from Master to the last daisy chained Satellite
2. Functional Specification
Product Manual
Technische Änderungen vorbehalten Technical details subject to change
2 - 30
TU00-0726-0000002
0609
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