AiM RPM Bridge User Manual
RPM Bridge
USER MANUAL
RPM Bridge
User manual
Release 1.03
INTRODUCTION
RPM Bridge belongs to the last generation of AIM systems for car installations.
ECU Bridge samples but does not record RPM values coming from the vehicle. Data can be
visualized connecting RPM Bridge to SmartyCam, the on-board camera or to an AIM dash
(MyChron3 Dash, TG Dash, Formula Steering Wheel).
Technical features:
• AIM proprietary CAN protocol for external expansion modules;
• USB communication protocol for programming;
• RPM signal 150-450V coil;
• RPM signal 4-50V square wave;
• external power.
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RPM Bridge
User manual
Release 1.03
INDEX
Chapter 1 – Kit and part numbers ........................................................................................ 3
Chapter 2 – RPM Bridge characteristics.............................................................................. 4
Chapter 3 – Installation and powering ................................................................................. 5
3.1 – How to receive the RPM signal ............................................................................................................. 5
3.1.1 – Receiving the RPM signal from the ECU through a square wave signal ....................................... 5
3.1.2 – Sampling the RPM signal from the coil: low voltage RPM input .................................................... 6
Chapter 4 – Connecting RPM Bridge to AIM systems ........................................................ 8
Chapter 5 – Configuring RPM Bridge .................................................................................. 9
5.1 – How to transmit the configuration ..................................................................................................... 10
5.1.1 – Possible problems while transmitting the configuration ............................................................... 10
5.2 – Online .................................................................................................................................................... 10
Appendix – Technical drawing ........................................................................................... 11
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RPM Bridge
User manual
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Chapter 1 – Kit and part numbers
Release 1.03
RPM bridge kit includes:
• RPM Bridge (4-50V and 150-450V)(1)
• USB programming cable (2)
RPM Bridge part number is: X90BGRPMBM
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