Innovate-motorsports LMA-3 Manual de usuario

Auxbox_Manual_1.9.doc LMA-3 Multi-sensor Auxiliary Input Device User Manual

- 10 - connect the thermocouple probe to the LMA-3. You must use thermocouple wire to connect the probe. If you do not, there will be an extra two-

- 11 - 4 Mounting and calibrating the LMA-3 In order to use the acceleration sensor of the LMA-3, care must be taken to mount the LMA-3 correctly

- 12 - 5 Setting up the input channels The LMA-3 can be programmed directly through the setup buttons on the LMA-3. LM Programmer software version

- 13 - 6 RPM measurement 6.1 RPM Measurement basics Most RPM measurement methods use the ignition system of the car as a convenient source of RP

- 14 - 6.1.3 Rotary Engines (Wankel Engine) A rotary engine consists of a roughly triangle shaped rotor rotating in a roughly elliptical chamber.

- 15 - 6.3 Programming the RPM input - Determine the number of ignition pulses per crank rotation. Refer to Table 2 or 3 for guidance. - Press t

- 16 - 6.4 Using the LMA-3 with the Inductive Clamp The inductive clamp measures the magnetic field created around a spark plug wire when spark c

- 17 - 6.5 Using the RPM-Converter with pulsed RPM input (Tach) signals - Unplug the inductive clamp from the LMA-3 if connected. - Connect the RP

- 18 - value internally until it is started the next time. In vaccuum/boost measurement mode the LMA-3 will then subtract the measured value from th

- 19 - the injector. Because the pulse is therefore active when the voltage on the pin is at ground, negative duty cycle is measured. So called pe

- 2 - 1 Overview...

- 20 - 10 Measuring external 5V sensors Each of the 5 channels on the LMA-3 can be configured to accept input from an external 0..5V sensor. Hooku

- 21 - • Connect the ground from the external sensor supply to the GND connection on the LMA-3 • Connect the +5V from the external sensor supply

- 22 - • Press the Channel button until the channel number to be calibrated is displayed • Press and hold the Calibrate button while the channe

- 23 - 11 Programming the LMA-3 with LM Programmer To connect the LMA-3 for programming follow these steps: 1. Insert the terminator plug (includ

- 24 - 11.2 Updating the firmware Click on the ‘Update Firmware’ button. You will be presented with a file dialog box that allows you to select a

- 25 - 11.4 Input 2 Configuration Function 1 and 2 of Input 2 use the TK+ and TK- inputs. The CH2+ and CH2- inputs are used ONLY of this input is s

- 26 - You can enter any frequency between 10 Hz and 15000 Hz as full scale frequency. LMA-3 measures the frequency with a resolution of 0.1 % of

- 27 - Select if you use a drive-shaft sensor or a wheel sensor. Enter the pulses per rotation created by the sensor either as driveshaft rotation

- 28 - 12 Kit Contents AuxBox P/N: 3742 Terminator Plug P/N: 3750 LMA-3 to LM-1 Cable P/N: 3748 Accessory Kit P/N: 3749

- 29 - Appendix A: Limited Warranty LIMITED WARRANTY Innovate stands behind the quality of its products. Innovate makes the following warranty to p

- 3 - 1 Overview The LMA-3, also called the ‘AuxBox’, was originally designed as a peripheral for the LM-1

- 30 - 13 Revision History 1.0 -- 8/23/04 Initial release. 1.1 -- 8/31/04 Corrected miscellaneous typographical errors. 1.2 -- 9/1/04 Corrected

- 4 - Each of the five inputs of the LMA-3 can be user configured for different functionalities. The 7-segment display of the LMA-3 (Function indic

- 5 - Input 5 Functions Function Indicator 1 2 3 F d = Functionality Acceleration (+- 2g) Acceleration (+- 1g) Acceleration (+- 0.25g) Frequency (

- 6 - 2 The Innovate Log-Chain concept LogWorks 2.0 has the capability to log, display and analyze up to 32 engine parameters. Most users will use

- 7 - 2.1 Log-Chain of 5 channels consisting of LMA-3 alone. 2.2 Log-Chain of 6 channels consisting of LMA-3 and LM-1 This allows to record LM

- 8 - 3 Connecting the LMA-3 The LMA-3 looks like this: 3.1 Connecting the LMA-3 to an LM-1 Plug the supplied Mini-DIN8 to Mini-DIN8 cable in

- 9 - 3.4 Powering external sensors If you want to power external sensors, connect a switched 12V supply (switched on when the cars ignition syst