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RaceGrade

  

GPS 

 

Page

  5 

 

RS-232 Serial Output 

 

Standard NMEA-0183 message strings GPGGA and GPRMC are 

sent out by default at a baud rate of 57,600.  The baud rate and type of 
messages can be changed by sending the unit back to 

RaceGrade

CAN Output 

 

The RaceGrade GPS version 2 receive now includes a CAN 

output.  The CAN bus speed operates at 1 mbit/s and on the base ID of 
0x146. The CAN output is based off the MoTeC GPS with STC (serial 
to CAN). Simply select the “GPS Async” template for MoTeC devices. 

20 Hz Update *Option 

 

This option allows the following four channels to update at a true 

20 Hz rate: 

 

GPS Latitude 

 

GPS Longitude 

 

GPS Speed 

 

GPS Heading 

It’s best to buy this option at the time of purchase.  If you buy it 
afterwards, the unit must be sent to 

RaceGrade

 for updating. 

* Options must be specified at the time of ordering

Summary of Contents for M GPS BL V2

Page 1: ...RaceGrade GPS Part M GPS BL V2 Available in 10 Hz or 20 Hz USER MANUAL Version 2 2...

Page 2: ...s of JGM Automotive Tooling MoTeC is a registered trademark of MoTeC Pty The information in this document is subject to change without notice While every effort is taken to ensure correctness no respo...

Page 3: ...RS 232 Serial Output 5 CAN Output 5 20 Hz Update Option 5 Installation 6 GPS Receiver 6 Antenna 6 Loss of Signal 7 Setup for SDL ADL2 ADL3 ACL 8 i2 Analysis Math 9 Appendix 10 GPS Engine Specificatio...

Page 4: ...utes later Satellites used in the GPS solution are dynamically added or dropped based on signal quality Ideally you should have 8 or more satellites being tracked in order to obtain good accuracy Anyt...

Page 5: ...will aid in warm starts instead of cold starts resulting in dramatically less time to lock onto satellites The internal battery has a 10 year life and is not user replaceable After ten years please co...

Page 6: ...CAN bus speed operates at 1 mbit s and on the base ID of 0x146 The CAN output is based off the MoTeC GPS with STC serial to CAN Simply select the GPS Async template for MoTeC devices 20 Hz Update Opt...

Page 7: ...ce is the roof For best performance do not place the antenna under the front or rear window For open wheeled cars on top of the roll hoop or just in front of the cockpit works best It s best to have t...

Page 8: ...n a back and forth bundle Do not coil the extra antenna wire length in a circle or wrap it around anything Simply run the extra antenna wire back and forth Loss of Signal As mentioned earlier the ante...

Page 9: ...ecision Setup for SDL ADL2 ADL3 ACL For ADL2 SDL or ACL use please select the template GPS Standard RMC GGA listed under the communications RS 232 Verify 57 600 for the baud rate You ll be able to log...

Page 10: ...ogger logging them MoTeC s i2 has a built in Corrected GPS function found under the Tools pull down menu This function should only be used with data originating from a ADL2 SDL or ACL Actual shift may...

Page 11: ...ages available upon request Optional CAN output bus speed of 1 Mbit s Digital output pulse 0 5v with 50 duty cycle 94 Hz per 1 m s 940 Hz per 36 km h 1933 Hz per 46 mph 1 0638 cm per pulse can be conn...

Page 12: ...onnection The mating connector is a ASL 606 05SN pin 1 Ground negative battery do not use a 0v line pin 2 RS 232 Tx serial data out For ADL2 or ADL3 connect to pin 79 For SDL connect to pin 34 For ACL...

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