
Assembly instructions VOSSOBW501
SG sensor
, Page 19 of 22
3. Setup of VOSS OBW 501
SG sensor
3.1 Pre-calibration
Before using VOSS OBW 501
SG sensor
a pre-calibration according to the used application is needed.
The pre-calibration can be carried out by the associated ECU used in the vehicle or by a
separate Sensor Control Unit (SCU). For pre-calibration by an ECU, please proceed with the ECU
manual. For pre-calibration by the Kimax-SCU a detailed description and manual is available on:
www.kimax.com/support/#usermanuals
.
Before start, please make sure that the correct calibration unit – Kimax-SCU (Sensor Control Unit) –
is available.
Use the instructions from the software for a proper set up.
Step 1
Connect the VOSS OBW 501
SG sensor
to the Kimax-SCU by
using the following cable connection (Fig. 40):
V
BAT
(Red)
GND (Brown)
Signal (White)
or with the corresponding counter part of the Tyco HDSCS
connector:
Pin1: V
BAT
Pin2: GND
Pin3: Signal
Fig. 40: Kimax-SCU
Step 2
Connect the Kimax-SCU to power supply, it can be +12/24 V
from vehicle battery or sourced by +12 V DC. Connect the
adapter to the main 120/230 V supply (Fig. 40).
Step 3
Select the “polarity” for the sensor to offer an increasing
output signal at increasing axle load. This can be
realized by selecting positive or negative slope.
Set, whether a positive slope of the analog output
voltage is required, when the sensor is strained or
compressed. This option depends on the installation
direction of the sensor (Fig. 41). All further details are
presented in the Kimax-SCU manual.
Fig. 41: Vehicle front axle
!
!
!
Wheel-
support
Load
Load
Compression
Tension
Wheel-
support