OMEX 600 and 710 ECUs
The OMEX 600 and 710 ECUs with V0.70 firmware are fully configurable in terms of which channels of data are transmitted and at what data rate. To be compatible with the Race Technology ECU decoder the ECU must be set up to output the following channels of data:
| Byte
| Name
| Units
| Scalar
| Offset
| Min
| Max
| Signed?
|
| 1
| Air temp
| oC
| 1
| 0
| -128
| 127
| Y
|
| 2
| Air pressure
| kPa
| 0.5
| 0
| 0
| 127.5
| N
|
| 3
| Battery
| Volts
| 0
| 0
| 0
| 15.93750
| N
|
| 4
| Fuel 1 PW
| µs
| 512
| 0
| 0
| 131070
| N
|
| 5
| Spark adv(map)
| o
| 0.3515
| -30
| -30
| 59.64844
| N
|
| 6
| RPM 50
| rpm
| 50
| 0
| 0
| 12799.80469
| N
|
| 7
| MAP as Load
| kPa
| 0.3922
| 0
| 0
| 99.99847
| N
|
| 8
| Coolant
| oC
| 1
| 0
| -128
| 127
| Y
|
| 9
| Lambda1
| Lambda
| 0.0078125
| 0
| 0
| 1.992188
| N
|
| 10
| Throttle
| %
| 0.3922
| 0
| 0
| 99.99847
| N
|
| 11
| Lambda2
| Lambda
| 0.0078125
| 0
| 0
| 1.992188
| N
|
| 12
| Lambda Target
| Lambda
| 0.0078125
| 0
| 0
| 1.992188
| N
|
Baud rate is set to 38400baud with standard checksum. Start byte must be set to 0x00
The data is translated in the following manner:
| Name
| Race Technology Channel
| Resolution
|
| Air temp
| temperature 1 (Ambient Air Temperature)
| 0.1 oC
|
| Air pressure
| pressure 1 (Ambient air pressure)
| 1 mBar
|
| battery
| misc 3 (Battery voltage)
| 0.01 V
|
| Fuel 1 PW
| aux 6 (Fuel inj 1 PW)
| 1 ms
|
| Spark adv (map)
| angle 2 (Ignition angle)
| 0.1o
|
| RPM 50
| Engine RPM (RPM)
| 0.1 Hz
|
| Map as Load
| pressure 5 (Boost pressure)
| 1 mBar
|
| Coolant
| temperature 8 (Water temp)
| 0.1 oC
|
| Lambda1
| misc 1 (Lambda 1)
| 0.01 lambda
|
| Throttle
| aux 1 (Throttle position)
| 0.1%
|
| Lambda2
| misc 2 (Lambda 2)
| 0.01 lambda
|
| Lambda Target
| temperature 12 (Tyre 1 temp)
| 0.01 lambda
|
The OMEX MAP3000 software is used to configure the ECU to output these data channels. This is carried out by selecting the “telemetry setup” option from the “user advanced” menu. Load the .sts file from the CD supplied with the ECU Serial Interface to automatically load the correct channel settings, or select the channels manually.
As well as loading the .sts file, you must set up the following to turn the serial output on from the ECU:
MAP3000 | User Advanced | Telemetry setup | Load
Select the supplied RT_DASH2_12Channel.sts file
Options | Full list. Select the following options;
Telemetry UART = ON
Tele1 Chan 0 = ON
Notes:
- 600 ECU must be v0.70D or later. The letter will not appear in the software, they need to look on the ECU itself.
- 710 ECU must be v0.70C or later. There were no non-working versions of 0.70 on the 710 so if it shows 0.70 in the software it will be fine.
- If your OMEX 710 ECU is running version 0.89 firmware or later your will need different firmware on your Race Technology ECU Serial Adapter. Please specify this when ordering or contact Race Technology if you require the alternative firmware for your ECU Serial Adapter.
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