Stack TPMS Lite Bedienungsanleitung
TPMS Lite Installation Guide ST542119-002
TPMS Lite
Installation Guide
Sensor Installation
Antenna Installation
Configuration Software
Display Gauge
CAN Message Formats
Troubleshooting
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1. TPMS Lite Sensor Installation
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Tools Required
The following tools will be required for the fitting process:
Torx (R) T20 Screwdriver /Torque driver (RS 662-608, DemonTweeks BIKTORXKEY)
4Nm Torque screwdriver ¼” Drive (e.g. Teng Tools 1492SD)
11mm x 50mm Socket (e.g. Teng Tools M140611-C)
Parts Description
TPMS Fitting Kit
A: Self Locking Torx Screw
B: Sensor
C: Valve
D: Spacer Ring
E: Collar Nut
F: Valve Cap
G: Installation Bar
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Valve Fitting
Ensure the wheel rim is cleaned and degreased around the valve and wheel well (Green area).
Insert valve into wheel rim. Fit the spacer ring (D) and then the collar nut (E) finger tight.
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Insert the installation bar (G) into the valve body and tighten the collar nut (E) to a torque of
4Nm +/-0.5Nm
Press the sensor down into the wheel well so that base of the sensor is touching the rim.
NOTE: The base of the sensor must make contact with the wheel rim.
NOTE: The sensor antenna must point away from the centre of the wheel.
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Tighten the Torx screw (A) to 4Nm +/- 0.5N
Once tightened check the sensor is still in contact with the rim.
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The sensor is now fitted correctly to the rim and ready for the tyre mounting.
NOTE: It is recommended to fit some identifying mark on the outside of the tyre to indicate
the rim is fitted with a TPMS sensor. This will alert tyre fitters to the fact there is a sensor
fitted and extra care should be taken when mounting/dismounting the tyres.
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Incorrect Fitting Examples
The following are examples of bad fitment that will degrade the performance of the system:
Sensor not in contact with rim.
X
Sensor antenna pointing away from wheel centre and sensor base not
touching rim.
X
X
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2. TPMS Lite Antenna Installation
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Introduction
This chapter will describe the fitting of the TPMS Dual-Band Antennas to a vehicle. Please ensure you
read this guide carefully to obtain the best performance out of the system.
Antenna Details
The Stack TPMS antenna is an advanced Dual-Band Antenna (DBA). For optimum system performance,
care should be taken to fit the antennas according to the guidelines in this document. The system
performance can be impaired with poor antenna placement.
The antenna picks up 2 signals. The first is the SAW (433 MHz). This is the signal used to measure
pressure and temperature. The second signal is the RFID or Sensor ID (868 MHz). This is used to pick up
the sensor serial number and the calibration details. Both signals are required for successful operation of
the TPMS system.
Antenna Placement
The goal of choosing an antenna position is to achieve the strongest signal strength for both SAW and
RFID over the widest wheel rotation. There will be some points of wheel rotation where a signal will not
be strong enough to take a measurement. These are generally called NULLS. It is common to have 3 nulls
per rotation of the wheel for the SAW signal.
The antenna must be placed as close as possible to the wheel.
The antenna front “box” must be directly in line with the tyre sidewall
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The antenna must be mounted radially from the centre of the tyre.
The Ground plane can point towards or away from the centre of the wheel.
The antenna can be mounted behind NON conductive panels (Kevlar, GRP)
In a typical installation you will achieve 90-120deg of RFID coverage and 270 degrees of SAW coverage. It
is important to optimise the RFID coverage to maximise the area at which the RFID can be read over.
Typically the RFID cannot be read outside the area shown above. This should not be a concern when
finding an antenna position as long as you have the coverage shown above.
It is important to get to as close to 120deg of rotational coverage as possible for optimum system
operation.
For ease of installation we recommend you use the Monitor mode in the TPMS configuration software.
This can be found on the Monitor tab of the configuration software. Selecting simple monitoring mode
will allow you to see the following information.
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