Innovate Motorsports LMA-3 User Manual

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1

Overview................................................................................................................................... 3

1.1

Differential Inputs .............................................................................................................. 5

2

The Innovate Log-Chain concept ............................................................................................. 6

2.1

Log-Chain of 5 channels consisting of LMA-3 alone. ....................................................... 7

2.2

Log-Chain of 6 channels consisting of LMA-3 and LM-1.................................................. 7

2.3

7-channel Log-Chain example with 2 AFR channels........................................................ 7

2.4

17-Channel Log-Chain example ....................................................................................... 7

3

Connecting the LMA-3.............................................................................................................. 8

3.1

Connecting the LMA-3 to an LM-1 .................................................................................... 8

3.2

Using the LMA-3 as part of a Log-Chain .......................................................................... 8

3.3

Connecting external sensor signals .................................................................................. 8

3.4

Powering external sensors................................................................................................ 9

3.5

Connecting an RPM signal ............................................................................................... 9

3.6

Connecting Type K Thermocouples ................................................................................. 9

4

Mounting and calibrating the LMA-3 ...................................................................................... 11

4.1

Calibrating the Acceleration Sensor to the mounting position ........................................ 11

5

Setting up the input channels ................................................................................................. 12

5.1

Programming the LMA-3 with the setup buttons............................................................. 12

6

RPM measurement ................................................................................................................ 13

6.1

RPM Measurement basics.............................................................................................. 13

6.1.1

Four-Stroke Engines ................................................................................................ 13

6.1.2

Two-Stroke Engines ................................................................................................ 13

6.1.3

Rotary Engines (Wankel Engine) ............................................................................ 14

6.2

How the LMA-3 determines RPM ................................................................................... 14

6.3

Programming the RPM input........................................................................................... 15

6.4

Using the LMA-3 with the Inductive Clamp..................................................................... 16

6.4.1

Inductive Clamp Usage............................................................................................ 16

6.5

Using the RPM-Converter with pulsed RPM input (Tach) signals .................................. 17

7

Measuring Pressures ............................................................................................................. 17

7.1

Measuring MAP............................................................................................................... 17

7.2

Measuring boost/vaccum ................................................................................................ 17

8

Measuring Frequencies, custom RPM, or speed................................................................... 18

9

Measuring duty cycle.............................................................................................................. 18

10

Measuring external 5V sensors .......................................................................................... 20

10.1

Calibrating external 5V inputs ..................................................................................... 20

10.1.1

Calibrate using built-in sensor power ...................................................................... 20

10.1.2

Calibrate using external sensor power .................................................................... 20

10.1.3

Restoring a channel to factory calibration ............................................................... 21

11

Programming the LMA-3 with LM Programmer.................................................................. 23

11.1

Changing the device name.......................................................................................... 23

11.2

Updating the firmware ................................................................................................. 24

11.3

Input 1 Configuration ................................................................................................... 24

11.3.1

Measuring RPM ....................................................................................................... 24

11.4

Input 2 Configuration ................................................................................................... 25

11.5

Input 3 configuration .................................................................................................... 25

11.5.1

Measuring Custom RPM.......................................................................................... 25

11.5.2

Measuring Frequency .............................................................................................. 25

11.5.3

Measuring Speed..................................................................................................... 26

11.6

Input 4 configuration .................................................................................................... 27

11.7

Input 5 Configuration ................................................................................................... 27

12

Kit Contents ........................................................................................................................ 28

Appendix A: Limited Warranty ....................................................................................................... 29

13

Revision History.................................................................................................................. 30




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