PECTEL (Stack) ECU
The Pectel data format is also used by MoTeC dashboards and some ECUs. For compatibility with the Race Technology interface the Pectel ECU should be configured to output the “STACK” data set.
The ECU must be set up to output data at 19200 baud with standard checksum. Start byte must be set to 0xA3.
| Byte
| ECU Name
| Race Technology message
| Race Technology Default name
| Race Technology VAR number
| Resolution
|
| 1
| Engine Speed
| Engine RPM
| RPM
| VAR_0010
| 25 RPM
|
| 2
| Air charge temp
| temperature 1
| temperature 1
| VAR_1000
| 0.1 oC
|
| 3
| Water temp
| temperature 8
| Water temp
| VAR_1007
| 0.1 oC
|
| 4
| Oil Temp
| temperature 9
| Oil temp
| VAR_1008
| 0.1 oC
|
| 5
| Exhaust temp
| temperature 17
| Exhaust 1 temp
| VAR_1016
| 0.1 oC
|
| 6
| Fuel pressure
| pressure 3
| Fuel pressure
| VAR_3502
| 0.1 kPa
|
| 7
| Oil pressure
| pressure 2
| Oil pressure
| VAR_3501
| 0.1 kPa
|
| 8
| Manifold pressure
| pressure 5
| Boost pressure
| VAR_3504
| 0.1 kPa
|
| 9
| Throttle angle
| aux 1
| Throttle position
| VAR_2000
| 0.1o
|
| 10
| Battery Voltage
| misc 3
| Battery voltage
| VAR_4002
| 0.01 V
|
| 11
| Lambda 1
| misc 1
| Lambda 1
| VAR_4000
| 0.01 lambda
|
| Channel Update Frequency
|
| Byte
| Name
| Frequency
|
| 1
| Engine Speed
| 10 Hz
|
| 2
| Air charge temp
| 2 Hz
|
| 3
| Water temp
| 2 Hz
|
| 4
| Oil temp
| 2 Hz
|
| 5
| Exhaust temp
| 2 Hz
|
| 6
| Fuel pressure
| 5 Hz
|
| 7
| Oil pressure
| 5 Hz
|
| 8
| Manifold pressure
| 10 Hz
|
| 9
| Throttle angle
| 10 Hz
|
| 10
| Battery Voltage
| 5 Hz
|
| 11
| Lambda 1
| 10 Hz
|
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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