Stack Multi-Function Recorder -
MFR System
Powerful, scalable single module Data Logging solution.
The Stack ST8956 Multi-Function Recorder (MFR) 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 14 input sensor module with a built-in 32 MB data recorder. All of the sensors may be recorded at rates up to 200Hz. Data recording can be configured to start when a parameter, eg, Engine Speed, rises above a preset value.
The recorder can hold 30 Runs and those runs can be downloaded to your PC using the Stack DataPro software.
The MFR can be used to drive a configurable remote Liquid Crystal Display (LCD), ST8995-2, in real-time.
The Multi-Function Recorder can record up to 45 channels across the Stack CAN network as a whole, with a network capacity of up to 4000 samples per second.

Stack's Multi-Function (Data) Recording system combines the proven benefits of integrated STACK Display systems with the latest STACK data logging technology. The module has the basic functions available out of the box: the advanced functions can be made operational simply by PIN code activation.
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Key Features |
- Bigger recording memory - 32MB as standard.
- Faster data recorder - up to 200Hz per channel.
- Better resolution - 10 bit analogue/16 bit digital inputs.
- More sensor inputs - Up to 45, 24 built-in.
- Built-in 3-axis +/-6g g-sensor.
- Optional driver display & sequential shiftlight.
- Built-in CAN ECU links and GPS
interface options..
- Built-in real-time telemetry option.
- Synchronized video-logging and video data overlay option.
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The MFR system is available in 4 versions:
- Clubman
- Clubman-Plus
- Semi-Pro
- Pro
The “Clubman” function is perfect for the novice, the “Clubman-Plus” offers more recording channels, the “Semi-pro” system for more advanced requirements and the “Pro” system for extensive measuring tasks
Data Recording Options
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CLUBMAN |
CLUBMAN-PLUS |
SEMI-PRO |
PRO |
Number
of recording channels |
14 |
24 |
34 |
45 |
Maximum
Sample Rate (Hz) |
200 |
200 |
200 |
200 |
Individual
sample rate on each channel |
✔ |
✔ |
✔ |
✔ |
Total
Recorder samples per second |
4000 |
4000 |
4000 |
4000 |
No of
channels @ max. sampling rate |
20 |
20 |
20 |
20 |
Standard
memory size (MB) |
32MB |
32MB |
32MB |
32MB |
Pin-code activation means upgrading is problem-free and can be done at any time.
Display Option
The MFR can be used to drive a Stack configurable remote LCD (ST8995-2) in real-time.

Use with Stack’s powerful but easy-to-use DataPro data analysis software for a flexible and customizable remote data solution. The recorder can hold thirty runs and those runs can be downloaded to you PC using DataPro.
Expanded Inputs Version

A special expanded input version of the MFR is available on request, the built-in 25 sensor input ST8957S MFR2 Multi-Function Recorder System includes:
- MFR Module
- Sensor harness & extenders
- PIN Code to enable 10 Configurable Sensor Inputs & 3-axis internal +/-6g accelerometer,
- Network harness
- USB Download cable
- DataPro V5 & user manual
MF & MF2 Multi-Function Interface Modules
Used in conjunction with Stack’s Multi-Function Recorder, Multi-Function Displays and Digital Video Recorder, the Multi-Function Interface Expansion modules allow for the easy provision of additional inputs giving the flexibility to suit even the most complex applications.
One of more expansion modules may be networked together to provide up to a total of 128 inputs.
CAN interface option
Available as a option is a CAN ECU interface connection to the vehicle's CAN Bus which utilises 2 x 0-5V sensors inputs. The option kit comprises adaptor harness and PIN code. The CAN protocol can be imported from industry standard Vector .dbc files. Recorded data is downloaded to a PC via USB.
GPS interface option
Also available as a option is a GPS (NMEA 0183) interface connection, enabled by PIN code. Simply plug in a GPS receiver to capture speed, position, altitude, time and date information to complement the lateral-, long- and vertical-G data from the internal 3-axis accelerometer.
System Architecture


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System includes wiring harness, lap time receiver, USB interface and DataPro software.

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Multi-Function Data Acquisition Recorder Module
Item Number |
Description |
ST8956S |
15 Input MFR (Incl. Module, sensor & network harness, USB download cable, Logging (14 channels, 200Hz sample rate, 32MB), DataPro software & manual). |
ST8957S |
25 Input MFR2 (Incl. Module, 2 x sensor & network harness, USB download cable, Logging (24 channels, 200Hz sample rate, 32MB), DataPro software & manual). |
System Expansion
Multi-Function Sensor Input Expansion Modules
Item Number |
Description |
ST8933 |
10 Input MF Expansion Kit. (Incl. Module, sensor harness) |
ST8934 |
20 Input MF2 Expansion Kit. (Incl. Module, 2 sensor harnesses) |
Sensors for Configurable Data Acquisition Systems
Temperature Sensors (0-5V), Analogue
Item Number |
Description |
ST657 |
0C to +200C K-Type Thermocouple Interface with 0-5V output |
ST658 |
0C to +1100C K-Type Thermocouple Interface with 0-5V output |
ST991 |
-20 to 150 deg C Fluid Temperature Sensor (M6x1) |
ST269547 |
Fluid Temperature Sensor, 150C / 300F (1/8 NPTF Male) |
ST269516 |
Exhaust Gas Temperature Two Sensor Kit, Exposed Tip Thermocouple |
ST269517 |
Exhaust Gas Temperature Eight Sensor Kit, Exposed Tip Thermocouple |
ST269518 |
Exhaust Gas Temperature Eight Sensor Kit, Armored Tip Thermocouple |
ST269519 |
Air Inlet Temperature Sensor, Thermocouple |
ST269520 |
Cylinder Head Temperature Sensor, Thermocouple |
Pressure Sensors (0-5V), Analogue
Item Number |
Description |
ST269546 |
Vacuum Sensor, 30 inHg |
ST453 |
0-3.5 Bar Absolute Pressure Sensor with Low Freq DSP Interface (1.5% FS Total Error Band over -20C to +80C) 1/8NPT Pressure Fitting (e.g. Boost) |
ST740 |
0 to 3.5 bar/ 50 psi boost sensor (1/8 NPTF) |
ST269535 |
1 bar / 15 psi pressure sensor, solid state (1/8 NPTF) |
ST269567 |
2 bar / 30 psi pressure sensor, solid state (1/8 NPTF) |
ST269559 |
4 bar / 60 psi pressure sensor, solid state (1/8 NPTF) |
ST269536 |
6.9 bar / 100 psi pressure sensor, solid state (1/8 NPTF) |
ST747 |
10 bar / 150 psi pressure sensor, solid state (1/8 NPTF) |
ST269537 |
17 bar / 250 psi pressure sensor, solid state (1/8 NPTF) |
ST269538 |
34 bar / 500 psi pressure sensor, solid state (1/8 NPTF) |
ST749 |
100 bar / 1500 PSI pressure sensor, solid state (1/8 NPTF) |
ST269539 |
110 bar / 1600 psi pressure sensor, solid state (1/8 NPTF) |
ST269540 |
206 bar / 3000 psi pressure sensor, solid state (1/8 NPTF) |
Lambda Sensors
Item Number |
Description |
ST994 |
Wideband Lambda Sensor & Interface 0-5V, 1 Channel |
ST996 |
Wideband Lambda Sensor & Interface 0-5V, 2 Channel |
ST269523 |
Wideband Lamda Sensor & 0-5v Interface, 8 Channel |
Pulse / Frequency Sensors (Digital Input)
Item Number |
Description |
ST492 |
Pulse Amplifier (e.g. Gearbox Sensor Amplifier) |
ST493 |
RPM Coil Connection Interface for MFD/MFR/MF |
ST670 |
Proximity Speed Sensor (e.g. Wheelspeed) |
ST269510 |
Engine RPM Sensor |
ST269511 |
Driveshaft RPM Sensor Kit, 1.875" (47.6mm), Standard Ford 9" |
ST269512 |
Driveshaft RPM Sensor Kit, 2.187" (55.5mm), Large Ford 9" |
ST269513 |
Driveshaft RPM Sensor Kit, Universal |
ST269514 |
Input Shaft RPM Sensor, Lenco Transmission |
ST269515 |
Wheel Speed Sensor, Magnetic |
ST269531 |
RPM Sensor, Magnetic, 5/16"-24 x 1.5 |
ST269532 |
RPM Sensor, Magnetic, 3/8"-24 x 1.5 |
ST269533 |
RPM Sensor, Magnetic, 3/8"-24 x 0.620 |
ST269589 |
GPS Ground Speed Module & Antenna, 10Hz, Pulse Output |
Displacement Sensors, (0-5V), Analogue
Item Number |
Description |
ST972 |
Linear Potentiometer 50mm/2" (e.g. Suspension) |
ST973 |
Linear Potentiometer 100mm/4" (e.g. Suspension) |
ST977 |
Linear Potentiometer 150mm/6" (e.g. Suspension) |
ST974 |
Linear Potentiometer 200mm/8" (e.g. Suspension) |
ST976 |
300mm/12" String Potentiometer (0-5V output) |
ST978 |
Rotary Potentiometer 360Deg (e.g. Steering) |
ST979 |
Rotary Potentiometer Sensor 120Deg (e.g. pedal angle) |
Force/Acceleration Sensors (0-5V), Analogue
Item Number |
Description |
ST791 |
+/- 5g Accelerometer with 5Hz 5-pole Butterworth Low-pass Filter |
Sensor Fittings
Item Number |
Description |
ST154003 |
1/8NPTF to M10 adaptor |
ST154006 |
1/8NPTF to 1/8BSPT adaptor |
ST154012 |
M6x1 to M10x1 adaptor |
ST154013 |
M6x1 to 1/8NPTF adaptor |
ST154015 |
1/8BSP to M10x1 adaptor |
ST154016 |
1/8BSP to 1/8NPTF adaptor |
ST269385 |
Compression Fitting, Exhaust Gas Temperature |
ST269386 |
1/8" NPT Weld Fitting, Exhaust Gas Temperature |
ST269553 |
Weld Fitting, Wideband Lambda Sensor |
Accessories, Wiring and Spares for Data Acquisition Systems
Input Options
Item Number |
Description |
ST918083 |
CAN ECU interface adaptor harness |
ST918128 |
GPS interface adaptor harness |
ST998 |
10Hz GPS Receiver with NMEA Serial Interface* |
*Requires ST918128 GPS interface adaptor harness
Display Options
Item Number |
Description |
ST8995-2 |
LCD Display Pack (LCD Display, Extension Harness & Switch Kit) |
ST8910-A |
10 Input Dash Display, Black Dial, 0-8k RPM |
ST8910-B |
10 Input Dash Display, White Dial, 0-8k RPM |
ST8910-C |
10 Input Dash Display, Black Dial, 0-3-8k RPM |
ST8910-D |
10 Input Dash Display, White Dial, 0-3-8k RPM |
ST8910-E |
10 Input Dash Display, Black Dial, 0-3-8k RPM (Inverted) |
ST8910-F |
10 Input Dash Display, Black Dial, 0-4-10k RPM |
ST8910-G |
10 Input Dash Display, Black Dial, 0-4-10k RPM (Inverted) |
ST8910-H |
10 Input Dash Display, Black Dial, 0-3-10.5k RPM |
ST8910-I |
10 Input Dash Display, White Dial, 0-3-10.5k RPM |
ST8910-P |
10 Input Dash Display, Black Dial, 0-6-13k RPM |
ST8910-Q |
10 Input Dash Display, White Dial, 0-3-10.5k RPM |
ST8910-R |
10 Input Dash Display, Black Dial, 0-6-13k RPM (Inverted) |
ST539 |
5 Stage Sequential Shift Light Module |
ST269580 |
Shift Light, Dash Top, Red, 5 LED, Single Stage, Adjustable Brightness |
ST532 |
Dash Top Shift Light AMBER* |
ST533 |
Dash Top Shift Light WHITE* |
ST534 |
Dash Top Shift Light RED* |
ST536 |
Panel Mount Shift Light WHITE* |
ST537 |
Panel Mount Shift Light RED* |
ST538 |
Panel Mount Shift Light AMBER* |
ST918081 |
Adaptor Harness - MSS Receptacle to Spade Terminal for Shift Light |
*Requires ST918081 Adaptor Harness
Lap Timing System
Item Number |
Description |
ST543 |
Infrared Lap Timing System receiver only |
ST544 |
Infrared Lap Timing System trackside beacon only |
ST546 |
Infrared Lap Timing System receiver & beacon |
Wiring
Item Number |
Description |
ST884 |
Extender harness Kit (2x0.7m;2x1.4m;1x2.1m) |
ST875-202 |
Sensor Interface harness for ST8956S/ST8957S MFR module (4 digital, 6 analog, laptime and control) |
ST875-402 |
2nd Sensor Interface harness for ST8957S MFR module (4 digital, 6 analog) |
ST877 |
Network Starter Harness for MFD/MF(R)/DVL (1x MSS Plug; 1x MSS Receptacle; 1x MIL plug; Jack Socket) |
ST889 |
Network Expansion Harness (terminated) (1x MSS Receptacle; 3x MIL Plug; 1x MSS Plug) |
ST888 |
Network Extension Harness 1.5m (unterminated) (1x MIL Plug; 1x MIL Socket) |
ST918078 |
Power lead for network harness |
ST918020 |
Sensor Extension Harness - 0.7m |
ST918021 |
Sensor Extension Harness - 1.4m |
ST918022 |
Sensor Extension Harness - 2.1m |
ST269527 |
Sensor Extension Harness - 2.4m / 8 ft |
ST269528 |
Sensor Extension Harness - 3.0m / 10 ft |
ST918037 |
Spade Terminal to MSS Adaptor Harness 0.4m |
ST918009 |
Adaptor Harness - Spade Terminal to MSS (1.4m) |
ST918040 |
Adaptor Harness - ST670 to RPM (ST670 not included) |
ST163021 |
19 Way Mil Connector-Crimp (Harness Side) |
ST581 |
5 off SureSeal Plug (Male) Kit |
ST582 |
5 off SureSeal Receptical (Female) Kit |
ST510 |
2 Switch kit |
ST511 |
3 Switch kit |
ST514 |
4 Switch kit |
Spares
Item Number |
Description |
ST269551 |
Two Channel Lambda Controller Interface, Replacement Module for ST996 |
ST269554 |
Type K Thermocouple, Cylinder Head, Spark Plug Probe |
ST269362 |
Magnet Kit, (qty. 2 rare earth magnets for RPM Sensor) |
ST269329 |
Replacement Closed Tip Type K Thermocouple, Exhaust Gas Temperature, Right Angle |
ST269382 |
Type K Thermocouple Connectors (Set of 4) |
ST269384 |
Replacement Open Tip Type K Thermocouple, Exhaust Gas Temperature, Right Angle |
ST269387 |
Driveshaft Collar, 4 Magnet, 1.875" (47.6mm) ID |
ST269388 |
Driveshaft Collar, 4 Magnet, 2.187" (55.5mm) ID |
ST269389 |
Driveshaft Collar, 4 Magnet, Universal (machine to fit) |
ST269552 |
Replacement Wide Band Lambda Sensor for ST994/ST996 |
ST269581 |
Mounting Bracket for Driveshaft Sensor |
ST8991 |
CAN-USB Data Download Cable |
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Frequently Asked Questions |
Further information can be found in our Troubleshooting Knowledgebase section.
Your Stack dealer will be happy to assist you further. |
This page last revised
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