OT1_Manual_1.0.doc OT-1 16 Channel OBD-II Interface User Manual

- 10 - 3. Configuring the OT-1 Unless you are content monitoring only RPM from your vehicle, chances are you will want to configure your OT-1 usin

- 11 - the Driver tab you can click “Update Driver” and install the proper drivers from the included CD. As with banging your head on the steering

- 12 - The Protocol/Channels tab allows you to set the OBD-II protocol to be used and the number of MTS channels to generate: The current connect

- 13 - The Inputs Tab allows you to assign the generated MTS channels to a particular OBD-II value: In order to do this, the OT-1 must be conne

- 14 - Notice that the data appears ‘steppy’ and, based on the timeline, appears to be updating about 6 times per second. Next we have a log tra

- 15 - Like the Saturn, it is connected using 500K bit CAN, but we can begin to see some ‘steppiness’ in the RPM channel with only 8 channels bein

- 16 - As we can see from the diagram on the right, values are read from the ECU one after another, in a loop. Since it takes the ECU a certai

- 17 - But what would happen if we also added ECT, IAT, MAF, and MAP? If we left all our channels at normal priority, some critical channels may

- 18 - But not all channels change quickly and we are more concerned with some channels than others. For example, let’s say we are primarily concer

- 19 - This extra resolution comes at the expense of our Low Priority inputs. These channels all share the ECU ‘bandwidth’ once used by VSS alone.

- 2 - 1. Overview... 3

- 20 - 4. Getting Started With LogWorks LogWorks is Innovate’s award winning data acquisition and analysis software. It is an extremely powerful

- 21 - Default Panel Customized (see LogWorks User Manual)

- 22 - 4.4 Configure the OT-1 Channels for the proper OBD-II value By default, LogWorks assumes that the 16 channels match the first 16 Inputs fro

- 23 - 4.5 Creating your First Log Select File->New Realtime Log… from the menu bar on the main screen. A new log window will open and data wi

- 24 - 5. Connecting with other MTS Devices In general, the OT-1 can be treated like any other MTS device. There are two caveats. The first is t

- 25 - 6. Specifications Power Power requirements 8-36 Volt / 90mA (max, 50 mA nominal) Serial Communication Serial Port Speed 19.2 kbit/sec

- 26 - Appendix A: Limited Warranty LIMITED WARRANTY Innovate stands behind the quality of its products. Innovate makes the following warranty to p

- 27 - Appendix B: Supported PIDs Name – Description Units Min. Max "RPM - Engine RPM", "RPM", 0.0, 10230.0, "

- 28 - Name – Description Units Min. Max "EQ_RAT22 - WideO2 Equiv-Ratio 2-2", "lambda", 0.0, 1.999, "WO2S22 -

- 29 - Revision History 1.0 11/28/07 Initial Release

- 3 - 1. Overview The Innovate Motorsports OT-1 allows you to read up to 16 channels of “OBD-II” (“On Board Diagnostic) information directly from y

- 4 - Looking closely we can see that there are really three different electrical ‘pairs’, each representing a different type of physical communicat

- 5 - Also, the CAN standards include mechanisms for error checking and data flow control. Both these are areas which are either weak or lacking i

- 6 - 1.4 MTS Advantages With all the excitement about CAN bus communication, one may wonder why use a separate bus like MTS at all. Truthfully, C

- 7 - 2. Installing the OT-1 For some reason, performance automotive accessories are never as easy to install as they appear on cable TV. Presuma

- 8 - 2.2 Locate the OBD-II Connector in your vehicle As noted, this is typically the most dangerous aspect of OT-1 installation. A safety helmet

- 9 - 2.3 Connect the OT-1 to your vehicle’s OBD-II port The power pins on an OBD-II connector are always active, so even if your vehicle’s igniti