Innovate Motorsports LMA-3 - Manual (Page 2)

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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