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Chapter 1. Introducing the WiFi Recorder 

ST8956(W) WiFi Recorder Users Guide Addendum 

Chapter 1. Introducing the WiFi Recorder 

The Stack ST8956(W) WiFi Recorder (MFRW) can monitor a 
range of values, known as performance parameters, needed for 
effective car and driver management in most competitive 
situations. 

The system consists of a ten-input sensor module with a built-in 
32 megabyte data recorder. 

All of the sensors may be recorded at rates up to 200 samples 
per second (200 Hz).  Data recording can be configured to start 
when a parameter, eg, Engine Speed, rises above a preset value. 

The recorder can hold thirty Runs and those runs can be 
downloaded to your PC using the Stack DataPro software (see 
separate Users Guide). 

The MFR(W) can be used to drive a configurable remote 
Display Module (ST8995-2) in real-time. 

ST8956(W) WiFi Recorder can record up to 45 channels across 
the Stack CAN network as a whole, with a network capacity of 
up to 4000 sps. 

All the features of the ST8956 Multi-Function Recorder operate 
as usual.  The WiFi option also allows the convenience of 
downloading data without physically connecting to the on-car 
system. 

How to use this Manual 

Stack recommends that you unpack and connect the components 
in the system 

before

 you install it in your vehicle.  This will 

enable you to familiarise yourself with operating the system and 
configuring it for the vehicle in which you intend to install it. 

!

 

This manual does not attempt to explain how to interpret or use 
the information from the ST8956(W) WiFi Recorder as this is 
very specific to the type of vehicle in which it is installed and the 
type of competition in which that vehicle is engaged. 

Summary of Contents for ST8956

Page 1: ...Part No ST542090 003 ST8956 W WiFi Recorder Users Guide Addendum...

Page 2: ......

Page 3: ...ed information about other Stack motor sport products these can be obtained from Stack or from your local Stack dealer Products available from Stack include Intelligent Tachometers Auxiliary Gauges An...

Page 4: ...ponents 4 Chapter 3 Installing the WiFi Recorder 6 Fitting the WiFi Recorder Module 6 WiFi Antenna Installation 6 WiFi Antenna Safe Operating Distance 9 Chapter 4 Using the WiFi Recorder 10 Configurin...

Page 5: ...can be used to drive a configurable remote Display Module ST8995 2 in real time ST8956 W WiFi Recorder can record up to 45 channels across the Stack CAN network as a whole with a network capacity of...

Page 6: ...ST877 1 Stand alone Power Lead ST918078 1 CAN USB Network Interface ST8990 1 Recording Switch ST517 3 Internal G sensors 1 Bulkhead mount WiFi antenna ST900127 1 ST8956 MFR User Guide ST542093 1 Data...

Page 7: ...Chapter 2 Getting Started ST8956 W WiFi Recorder Users Guide Addendum 3 Various Harness Extenders to suit those sensors...

Page 8: ...nd for downloading data to a PC A third connector allows a WiFi Antenna to be connected Connecting the Components Refer to the diagram below which shows the wiring for the WiFi Recorder PA1 Engine spe...

Page 9: ...d A10 MUST remain disconnected if a Display Module is being used 7 Connect each of the sensors that you have purchased to the appropriate wire in the wiring harness The first four sensor connections P...

Page 10: ...ight between the vehicle antenna and the pit lane antenna when the vehicle is travelling in the pit lane The surface to which the antenna is attached should be flat A maximum contour of 12 mm 0 5 is a...

Page 11: ...m fork spanner The completed antenna installation is approximately 140 mm 5 5 high The mount has a bendable section 15 degrees to adjust the antenna into an upright position The antenna cable must be...

Page 12: ...Minimum Clearance Ignition HT and coil leads 75 mm 3 Radio transmitters 50 mm 2 Fast switching inductive loads like fuel injectors and hydraulic solenoids 50 mm 2 Any powerful sources of heat Shield w...

Page 13: ...wave radiation The FCC has set safety standards that are meant to guard against potentially harmful RF fields In a controlled environment where the people near the antenna know of the hazards the FCC...

Page 14: ...rder can take place the WiFi connection must be configured on your PC This is described in the DataPro WiFi Guide supplied Once the WiFi connection has been established the WiFi Recorder must be Autho...

Page 15: ...ll description of how these functions operate The following extra functions for WiFi Recorders only are available from the Wireless sub menu Power off internal battery Prevent connection Connection st...

Page 16: ...provide power temporarily once the vehicle power has been removed This allows the module to be downloaded via the WiFi even with power removed The internal power will automatically turn off under the...

Page 17: ...rs typical dependent on WiFi activity WiFi Parameter Value Transmitted power 14 1 dBm Receiver sensitivity 82 to 93 dBm 11 Mb to 1 Mb respectively Module connector SMA R Reverse SMA Jack fixed recepta...

Page 18: ...T8956 W WiFi Recorder Users Guide Addendum Index configuring the system 9 fitting WiFi recorder module 5 installing the WiFi recorder 5 performance parameters 1 power supply 4 standard components 2 un...

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