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AVL DiGas 4000 User Manual

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Evaluation Unit AVL 4000
4-8 Service Manual
4.2.1.8 Printer Board (Option)
If the printer option has been purchased, the printer board is inserted in the main board
at right angles to it (slots J27 and J28). It contains the control circuit for the integral strip
printer (dot matrix printer driver, motor, fast paper feed and evaluation of tacho-
generator and home switch).
Because most of the pcb is taken up with power transistors, the boards are manufactured
using wired technology.
For installation, see section 4.5.1 Internal Printer Unit.
4.2.1.9 Speed / Angle Board with Diagnostics Cable Concept
(Option/Installation)
The speed/angle board is an option that can be used to record speed, angle, oil
temperature, the lambda probe voltage and the voltage of the vehicle electric system. The
speed/angle board is basically non-intelligent, i.e. does not have its own processor. All
speed and angle signals are converted via two processing channels to digital pulses which
are evaluated by the 196NT on the main board.
Measurements:
RPM measurements
Supported sensors:
inductive sensors (e.g. TDC sensors) with different timings
(incl. Motronic flywheel)
optical sensor
digital pulses from engine management system
AVL clamp-on transducers (AVL DiGas 4000 and AVL DiCom 4000)
RIV sensors (AVL DiGas 4000 and AVL DiCom 4000)
needle movement sensors (AVL DiGas 4000 and AVL DiCom 4000)
inductive trigger clamp (AVL DiGas 4000 and AVL DiCom 4000)
AVL DiSpeed 490 (AVL DiGas 4000 and AVL DiCom 4000)
Measurement range 250…6000 rpm (diesel engines)
250…8000 min
-1
(petrol engines)
Resolution: 10 rpm
Accuracy: ± 2 rpm (rounded to nearest 10 rpm)
Angle measurement
The start of delivery, start of injection and ignition angle are measured by processing
a cylinder 1 sensor signal in conjunction with a reference signal.
Supported cylinder 1 sensors:
AVL clamp-on transducers (AVL DiSmoke 4000 and AVL DiCom 4000)
RIV sensors (AVL DiSmoke 4000 and AVL DiCom 4000)
needle movement sensors (AVL DiSmoke 4000 and AVL DiCom 4000)
inductive trigger clamps (AVL DiGas 4000 and AVL DiCom 4000)
(Customer-specific) special signals can be conditioned with an external black box as an
option.

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AVL DiGas 4000 Specifications

General IconGeneral
BrandAVL
ModelDiGas 4000
CategoryTest Equipment
LanguageEnglish

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