Note: Refer HERE for an explanation of Injector Timing.
The following settings allow the Injector Timing to be tailored to the application.
This setting has the following options:
·Single Zone - In most cases it will be sufficient to use fixed injector timing. In these cases use the Single Zone option.
·Table - In some applications it may be desirable to change the injector timing with engine speed or load, in these cases use the Table option.
This setting specifies what the Injector Timing number(s) represent. Options are:
·End of Injection - The injector timing value represents the engine position where the injector pulse ends. Because the injector closing time is specified, the ECU calculates the injector opening time required to inject the required amount of fuel. This mode is the most commonly used option.
·Center of Injection - The injector timing value represents the engine position at the centre of the injector pulse. The injector opening and closing time is adjusted so that the required amount of fuel is injected.
·Start of Injection - The injector timing value represents the engine position where the injector pulse starts. Because the injector opening time is specified, the ECU calculates the injector closing time required to inject the required amount of fuel.
On Rotary engines and engines using Staged Injection the Start of Injection Setting is recommended so that Fuel cuts can operate correctly.
This setting is only available when INJ Timing Mode is set to Single Zone. Injector Timing specifies the injector timing to be used throughout the entire operating range, the units are degrees before top dead centre (BTDC) with reference to top dead centre between the compression and power stroke. This means 360 represents TDC between the exhaust and inlet stroke.
This setting is only available when INJ Timing Mode is set to Table. The Injector Timing Table allows the injector timing to be altered with engine speed and load, the units are degrees before top dead centre (BTDC) with reference to top dead centre between the compression and power stroke. This means 360 represents TDC between the exhaust and inlet stroke.