Motec MDC User Manual download pdf (Page 18)

MoTeC MDC 16 Appendices

Appendix D – ECU Communications

The MDC can communicate with the MoTeC EVO89 or EVO48 OEM ECU using existing factory wiring.

This functionality requires M800 ECU firmware V3.21D or later.

ECU Link Configuration

The links on the OEM adaptor board must be changed from the default settings to allow communication with the

MDC.

EVO89 OEM ECU: Close links 9 and 10

EVO48 OEM ECU: Close links 2 and 12

Enabling ECU Communications

The ECU must be configured in ECU Manager under the Adjust



General Setup



Communications



RS232

Telemetry Setup menu with the following settings:

Telemetry Data Rate 3841 (38400 Baud)

Telemetry Data Set 6 (SDC)

Receiving MDC Data

If ECU/MDC communications has been enabled, data from the MDC can be assigned to ECU channels using

inputs ECU2 1 to ECU2 12 in the Adjust



Sensor Setup

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Input Setup window in ECU Manager.

The following data is sent from the MDC to the ECU:

MDC Data ECU Input Scaling

Front Left Wheel Speed ECU2 1 0.1 km/h

Front Right Wheel Speed ECU2 2 0.1 km/h

Rear Left Wheel Speed ECU2 3 0.1 km/h

Rear Right Wheel Speed ECU2 4 0.1 km/h

Lateral G ECU2 5 0.001 G

Longitudinal G ECU2 6 0.001 G

MDC Mode ECU2 7 0 to 5

Lock % ECU2 8 0.1 %

Pump Hydraulic Pressure ECU2 9 0.1 kPa

Diff Average Current ECU2 10 0.01 A

Steering Wheel Angle ECU2 11 1 deg

Fault Flags ECU2 12 Bit field

The ECU Manager examples below show the four MDC wheel speeds and lateral G being allocated to ECU speed

and user channels.

1 2 ... 13 14 15 16 17 18 19 20 21 22

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Motec MDC User Manual Page 18

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