MBE 967 Serial interface
The MBE 967 serial – Race Technology interface connects between the ECU and either a data logger or a dashboard enabling monitoring of all the data channels.
The output of the ECU must be enabled for continuous operation on the serial port. Please refer to your ECU documentation for instructions on how to do this.
For the output of the MBE ECU to be decoded correctly, the 16 channel output from the ECU must be set up to send the following data, which will appear on the following channels.
The ECU should output data at 9600 baud for use with this interface.
The ECU should be set up with following configuration:
| Bytes
| Channel
| Data Length
|
| 1-2
| Engine Speed
| 16 bit
|
| 3-4
| Throttle percentage
| 8 bit
|
| 5-6
| Lambda Sensor Voltage
| 8 bit
|
| 7-8
| Lambda
| 8 bit
|
| 9-10
| Coolant Temperature
| 8 bit
|
| 11-12
| Air Temperature
| 8 bit
|
| 13-14
| Manifold Pressure
| 8 bit
|
| 15-16
| Engine Oil Pressure
| 8 bit
|
| 17-18
| Injection Time
| 16 bit
|
| 19-20
| Ignition Angle
| 8 bit
|
| 21-22
| Fuel Pressure
| 8 bit
|
| 23-24
| Engine Oil Temp
| 8 bit
|
| 25-26
| Baro pressure
| 8 bit
|
| 27-28
| P14
| 8 bit
|
| 29-30
| P15
| 8 bit
|
| 31-32
| P16
| 8 bit
|
The data appears on the following channels:
| ECU Name
| Race Technology message
| Race Technology Default name
| Race Technology VAR number
| Resolution
|
| Engine Speed
| Engine RPM
| RPM
| VAR_0010
| 25rpm
|
| Throttle percentage
| aux 1
| Throttle position
| VAR_2000
| 0.1%
|
| Lambda Sensor Voltage
| NOT USED
|
|
|
|
| Lambda
| misc 1
| Lambda 1
| VAR_4000
| 0.01
|
| Coolant Temperature
| temperature 8
| Water temp
| VAR_1007
| 0.1oC
|
| Air Temperature
| temperature 1
| temperature 1
| VAR_1000
| 0.1oC
|
| Manifold Pressure
| pressure 5
| Boost pressure
| VAR_3504
| 1mBar
|
| Engine Oil Pressure
| pressure 2
| Oil pressure
| VAR_3501
| 1mBar
|
| Injection Time
| measured time 1
| Fuel inj 1 PW on
| VAR_2500
| 1ms
|
| Ignition Angle
| angle 2
| Ignition angle
| VAR_3001
| 0.1o
|
| Fuel Pressure
| pressure 3
| Fuel pressure
| VAR_3502
| 1mBar
|
| Engine Oil Temp
| temperature 9
| Oil temp
| VAR_1008
| 0.1oC
|
| Baro pressure
| pressure 1
| Ambient air pressure
| VAR_3500
| 1mBar
|
Note - Not all channels listed in the table(s) above may be available from your ECU. This can be dependent on the vehicle model & year of manufacture.
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