Computech DATAMAXX Manuale utente

DATAMAXX

Table of Contents

Getting Started...........................................................................................................................................3

DataMaxx Configuration...........................................................................................................................5

MODULES................................................................................................................................................6

Main Module:........................................................................................................................................6

LCD Module..........................................................................................................................................9

Analog Module....................................................................................................................................11

Remote SD Module.............................................................................................................................12

Exhaust Gas Temperature Module......................................................................................................13

SENSORS................................................................................................................................................15

Record Switch.....................................................................................................................................15

Engine RPM........................................................................................................................................16

Driveshaft RPM...................................................................................................................................18

Input Shaft RPM..................................................................................................................................19

Pressure Sensors..................................................................................................................................20

Exhaust Gas Temperature Probes........................................................................................................22

Low Range Temperature Kit...............................................................................................................25

Accelerometer.....................................................................................................................................26

Oxygen Sensor....................................................................................................................................27

Suspension Position Sensor.................................................................................................................29

Switches...............................................................................................................................................31

Lights...................................................................................................................................................32

SOFTWARE.............................................................................................................................................34

Installing the DataMaxx Viewer..........................................................................................................34

Initial Calibration................................................................................................................................34

Lights & Record..................................................................................................................................36

Overlaying Runs..................................................................................................................................36

Customizing Views..............................................................................................................................36

Shortcut Keys......................................................................................................................................37

Zones...................................................................................................................................................37

Truncating Logfiles.............................................................................................................................37

Creating Custom Calibrations.............................................................................................................38

Software Upgrades..............................................................................................................................38

ADDITIONAL INFORMATION............................................................................................................39

How to Wire Correctly........................................................................................................................39

Avoiding RFI Noise.............................................................................................................................39

Dip Switch Settings.............................................................................................................................40

Recording a Logfile.............................................................................................................................41

SD Card Information...........................................................................................................................41

Event Description................................................................................................................................42

CAN Bus.............................................................................................................................................42

Analog –vs- Digital.............................................................................................................................42

DATAMAXX

TROUBLESHOOTING...........................................................................................................................43

Data has noise or spikes on graph.......................................................................................................43

LCD Module display data is blank or appears frozen.........................................................................43

A module’s red LED is blinking..........................................................................................................44

“CAN bus fail” message on LCD........................................................................................................44

A module’s green LED is blipping but not blinking...........................................................................45

LCD Display is Blank.........................................................................................................................45

Engine RPM is Zero – Not a Magneto................................................................................................45

Engine RPM is Zero – Using a Magneto............................................................................................46

Engine RPM is Erratic or Noisy..........................................................................................................46

Driveshaft RPM or Inputshaft RPM is Zero.......................................................................................46

Driveshaft RPM is Erratic or Noisy....................................................................................................47

Switch Status is Backwards.................................................................................................................48

Switch is Always ON or OFF..............................................................................................................48

Record Switch Doesn’t Work..............................................................................................................48

Cannot Find Your LogFiles.................................................................................................................48

DATAMAXX

GETTING STARTED

“PLAN YOUR WORK & WORK YOUR PLAN”

The above quote is something my grandfather has always told me, and this holds true with the

DATAMAXX. If you plan out where things will be installed and take care to avoid ignition components

then your installation will be stress free and your signals will look clear and smooth. If you dive in

without reading the manual, you will get frustrated and your end result may be noisy hard to read

signals, so “Plan your work and work your plan.”

1. Read the entire Getting Started section

2. Fill out the DATAMAXX configuration page

3. Install all modules

4. Install all sensors

5. Run wires while avoiding ignition components

6. Terminate wires into Main & Analog modules

7. Perform your “Initial Calibration”

8. Record a test run to confirm calibration

1. The first step would be to take stock of all the parts you have ordered and try to get a mental

picture of where you want the main module, how your going to mount the sensors and where your

going to run the wires in order to avoid ignition components. The more time you spend efficiently

planning the better off your going to be.

2. The next step is to fill out the DATAMAXX configuration page. This is extremely important

because you need to know exactly where the sensors are physically installed so that we can tell the

software and calibrate them appropriately. Be sure to list what type of sensor it is and refer to the

sensors specific instructions for RTD and GND dip switch settings.

3. It is now time to install the modules (Main, Analog, LCD, EGT). It is recommended that you

locate the main and analog modules in a covered area that is relatively vibration free and not anywhere

near an ignition component. Ignition components include ignition boxes, ignition coils, the wire from

the ignition to coil, distributors, magnetos, solenoids and even ignition kill switches.

4. Now you can install your sensors. It is easier to mount and install all of your sensors before you

run your wires, and will usually lead to a cleaner looking installation. Each sensor has an overview, part

numbers, installation instructions, calibration, and testing associated with it and should be read over

carefully.

DATAMAXX

5. Once the modules and sensors have been installed we can wire the car. This is by far the most

crucial and important part of the installation process. Sensor wires should be at least 8” away from any

ignition component otherwise your signals will be erratic and hard to read. Ignition components include

ignition boxes, ignition coils, the wire from the ignition to coil, distributors, magnetos, solenoids and

even ignition kill switches. It is recommended to use MSD 8.5mm superconductor wires as these offer

the best protection from ignition interference noise.

If possible you want to run all of your data wires together, on the opposite side of your ignition

components. For more information on the importance of avoiding ignition noise, see “How to Wire

Correctly” & “Avoiding RFI Noise” in the additional information section.

6. We are now ready to terminate the wires into the main and analog units. Use your DATAMAXX

configuration sheet as a guide to where each sensor should be plugged into and utilize the label on the

inside of the lid to help identify the channels. Refer to the sensors individual instructions and “How to

wire correctly” in the Additional Information section. After you are done wiring, confirm that your

installation matches your DATAMAXX configuration sheet.

7. It is now time to tell the software and the hardware what is actually installed on your system.

You can either read the “Initial Calibration” in the Software section, or watch the instructional screen

shot video that was included with your software. If you cannot find your disk then the instructional

video is available on our customer web forum at www.ComputechRacing.com

8. Now that you have installed all of your modules, sensors, and wires as well as performed the

initial calibration we need to test the system to ensure that everything is working properly. It is best to

actually fire up the car at this point as we are looking to see if the pressure and temperature sensors

react in the proper way. If possible put the car on jacks and allow the drive shaft to move enough to

pick up a reading. If any problems occur at this point, refer to the troubleshooting guide, otherwise the

system should be functional and your readings should be smooth and easy to read.

DATAMAXX

DATAMAXX CONFIGURATION

Main Module

Engine RPM: __________ Cylinders: _____

Mag RPM: __________ Cylinders: _____ PuP: _____ GND: _____

Driveshaft RPM: __________ Magnets: _____

Inputshaft RPM: __________ Magnets: _____ PuP: _____ GND: _____

Switch1: __________ Light 1: __________

Switch2: __________ Light 2: __________

Analog A1: __________ Sensor Type: __________ RTD: _____ GND: _____

Analog A2: __________ Sensor Type: __________ RTD: _____ GND: _____

Analog A3: __________ Sensor Type: __________ RTD: _____ GND: _____

Analog A4: __________ Sensor Type: __________ RTD: _____ GND: _____

EGT Module Odd EGT Module Even Temp Module

Exhaust 1: __________ Exhaust 2: __________ Temp 1: __________

Exhaust 3: __________ Exhaust 4: __________ Temp 2: __________

Exhaust 5: __________ Exhaust 6: __________ Temp 3: __________

Exhaust 7: __________ Exhaust 8: __________ Temp 4: __________

Analog Module A

Analog A1: __________ Sensor Type: __________ RTD: _____ GND: _____

Analog A2: __________ Sensor Type: __________ RTD: _____ GND: _____

Analog A3: __________ Sensor Type: __________ RTD: _____ GND: _____

Analog A4: __________ Sensor Type: __________ RTD: _____ GND: _____

Analog Module B

Analog A1: __________ Sensor Type: __________ RTD: _____ GND: _____

Analog A2: __________ Sensor Type: __________ RTD: _____ GND: _____

Analog A3: __________ Sensor Type: __________ RTD: _____ GND: _____

Analog A4: __________ Sensor Type: __________ RTD: _____ GND: _____

Analog Module C

Analog A1: __________ Sensor Type: __________ RTD: _____ GND: _____

Analog A2: __________ Sensor Type: __________ RTD: _____ GND: _____

Analog A3: __________ Sensor Type: __________ RTD: _____ GND: _____

Analog A4: __________ Sensor Type: __________ RTD: _____ GND: _____

DATAMAXX

MODULES

MAIN MODULE:

Overview

The Main Module is the heart and brain of the DATAMAXX system. It serves as the communication hub

and has the largest capacity for sensors. The Main Module also has 5 CAN Bus ports that act as the

communication medium to LCD, Analog, and EGT modules.

Capabilities

4 RPM Channels

4 Analog Channels

5 CAN Bus Connections

2 Switch inputs

2 Light outputs

1 SD Card slot

Installation

The Main Module should not be mounted where it is exposed to rain, or excessive engine, exhaust, or

transmission heat. If you are not using an LCD Dash unit then you will need to mount the Main Module

where you can easily access the SD memory card slot. For more information on avoiding ignition

interference refer to “Avoiding RFI Noise” in the Additional Information section.

The Main Module is the only part of the system that receives a power connection. The best Main

Module power connection is the same place you power the majority of your electronics and

tachometers. The next best connection is directly to the positive and negative terminals on your battery.

Connect the positive wire to the Main Module red color-coded terminal labeled “POWER 11-25V” (id

#36), and connect the negative (ground) wire to one of the shield terminal screws.

When installing any sensor with a supplied shield wire, connect to the 4 posts labeled “Braided shield

wires and Chassis/ Battery Ground”. For more information on correctly wiring your DATAMAXX refer to

the “Additional Information: Advanced Wiring Techniques”

DATAMAXX

Light Scheme

Blinking Pattern for GREEN LED Meaning

Equal time on and off (or bright and

dim)

Normal, samples being created

Short single blips separated by long

pause

Idle, waiting for system process. This normally

occurs for a second or two whenever recording is

stopped. It also occurs during playback on the LCD

Module.

[Main Module Only] Pulsating

(actually a combination of equal time

on and off, with fast blips)

Recording Normal. The equal time on and off

means that samples are being generated by the Main

Module inputs. The fast blips superimposed on top

mean that the module is also recording to the Main

Module’s SD card. Note that the Main Module

green LED will only pulsate like this when recording

to its own card. It will not pulsate like this when

you’re recording to an SD card in the LCD Module!

[Main Module Only] Fast blips Recording but Broken. The fast blips mean that

the module is recording to the SD card. However,

the lack of equal time on and off (to create the

pulsating effect) means that the sensor inputs are not

generating samples. Contact customer support.

Always off No Power. If there’s power, the green LED will at a

minimum blip every few seconds.

Always on This should never happen. If it happens repeatedly,

contact customer support.

DATAMAXX

Blinking Pattern for RED LED Meaning

Always off Normal, everything’s great

[Main Module Only] Three blips

separated by long pause

SD Card Missing or Full. This is a Normal

condition when (A) you remove the SD Memory

Card, or (B) if it’s inserted but already contains the

maximum of 99 log files, or (C) you have inserted a

card that has NOT been initialized yet by the PC

software. If this error indication persists even after

you make sure to insert an initialized card with fewer

than 99 log files, then there may be a problem with

the card or the DATAMAXX Module. Try a different

card. If the error indication persists, contact customer

support.

Two blips separated by long pause CAN bus problem. This can be caused by an open

wire not reaching this module, or by a short anywhere

on the CAN bus. (It’s OK if this error occurs

immediately after recording is stopped, but then goes

away shortly thereafter.)

Other blip patterns Contact customer support

Default Dip Switch Settings

Additional Information

Recording: The Main Module has a dedicated terminal for a record switch. Connecting a switch to

this terminal (id #35) will automatically enable recording without any additional

configuration.

Wiring: Strip back the insulation for each wire, place into appropriate terminal and screw

terminal to tightly connect to the DATAMAXX. Be sure to connect all shield wires to one of

the four ground / shield drain screws. For more information on wiring correctly, refer to

the “How to Wire Correctly” in the Additional Information section.

A: MAG PuP OFF E: A1 RTD OFF

B: MAG GND OFF F: A1 GND ON

C: INP PuPON G: A2 RTD OFF

D: INP GND ON H: A2 GND ON

I: A3 RTD OFF

J: A3 GND ON

K: A4 RTD OFF

L: A4 GND ON

DATAMAXX

LCD MODULE

Overview

The LCD Module is an optional feature that allows live data to be displayed right in your vehicles dash.

It is completely customizable and shows 9 separate channels of data per page, with an unlimited

amount of pages. The LCD has customizable warning and shift lights, playback features, night/day

mode.

Capabilities

9 Channels of data per page

Customizable warning and shift lights

Variable speed playback

Night and Day mode

SD card slot

Installation

Your LCD Dash came with a paper cut out that is to scale, which will allow you to drill the necessary

holes with ease. The rubber shock absorbers that act as the mounting bolts should not be removed, and

removal will void your warranty. To connect your LCD to your Main module, use the supplied CAN

cable, put appropriate wire colors into the green LCD connector and connect the other end into any

CAN Bus section within the Main module.

After the module has been mounted, connect the CAN bus cable to the green connector supplied with

your LCD. You can then run the wire from the LCD module to the Main module. Cut to length, strip

back the insulation so the four colored wires can reach a CAN bus port and so the bare shield wire can

be wrapped around one of the four ground posts. Strip a small section of insulation of each of the four

colored wires and place into the appropriately colored terminal, then connect the shield wire to a

ground post.

DATAMAXX

Additional Information

Customizing: You must use the DATAMAXX viewer software to customize the LCD. Simply open the

Channel Properties screen and choose the “Configure LCD Module” button. This will

open a screen that allows you to choose which sensors you want displayed and the

orientation you want them displayed on the LCD. You can create multiple pages and

combine different data depending on your needs. After making changes, send the

configuration to the DATAMAXX.

Record: Press and release the Record button in order to start recording. The “Recording” icon

will be displayed above-right of the round RPM graph. To stop recording, simply press

and hold the button for 2-3 seconds, releasing after seeing the appropriate response on

the LCD. For more information on recording, refer to “Recording a Log file” in the

Additional Information section.

Menu: In the menu there are options to toggle between day and night, set the clock, and modify

the intensity of the back light, button, contrast, playback rate, and both yellow and red

LED’s.

Channels: The channels button will allow you to toggle through multiple pages that can be

customized through the software, allowing an unlimited combination of information to

be displayed.

Max Recall: Hitting the Max button will display the maximum data from the last log file that was

recorded to the SD card. If there are no runs on the card then a log file not found

message will be displayed.

Run #: Hitting the Run button allows you to toggle thru all the runs currently on your SD card.

After finding the run you want, you can choose either Max or Playback to view the

desired information.

Playback: Hitting the Playback button allows you to play back the data from you last log file at

half the speed (0.5X). To pause the screen during playback, simply press the Playback

button and press again to resume. If you would like to change the rate of playback, enter

the menu options, display adjust, and toggle to the Play Rate and adjust the speed. If you

would like to play back a different run, toggle through the different runs using the Runs

button and then press Playback.

Clock: You can manually set the clock through the menu option or use the software. When

sending a configuration change to the DATAMAXX, if using an LCD, you will be prompted

with a message asking if you would like to set the hardware clock. If you choose yes,

your computers current time will be stamped on the SD card. You will then want to

quickly insert the card into the DATAMAXX, turn on power and allow the configuration to

take place, also changing the clock.

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