9 +12 Volt Suply for Solenoids
10 Lockup LED+ / Solenoid 2
5. Software Installation
5.1 PC Software installation
The PC Software does not require installation. It is an executable file and can run from any
memory medium except from CD. See PC Requirements however. The software will create a
tcu.ini file in the same directory where your software is run from. This is to save your preferred
settings in the software. When you start the software for the first time, it will prompt you to accept
the Terms & Conditions as laid out by Spitronics Micro Ignitions cc. Read these conditions
carefully and if you agree you may except the terms and continue to work on the ECU. If you press
cancel the program will close. If you load a new manual it will ask you to agree to the terms and
conditions again.
There is also an html help file. When you click on manual button, guide the
software to this file and then you can access the manual from the PC software.
5.2 Spitronics USB driver installation
Go to the Spitronics USB Driver file on the CD. Activate the USB Setup.exe file. The software will
install automatically. It may take a couple of minutes on slower laptops. Now insert the USB cable
into the PC. Windows will detect the cable and install the driver for it. If it does not connect to the
TCU see Changing the Com Port Settings below.
5.3 RS232 Computer to TCU interface
The TCU communicates to the computer via the serial RS232 interface. It operates at 19200 baud
rate. See the drawing for connection diagrams.
Communication can also be achieved by USB via a USB to RS232 converter cable. Ensure that
the drivers for the cable are installed according to manufacturer specifications. When using other
than Spitronics cables, you have to break out pin 1,4,6,7,8 & 9 as they are used for other inputs
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