Haltech E6X Manual Win Version - Manual (Page 144)

E6X Manual
144
Reluctor Gain
The Trigger Gain defines the amplification of the signal from the Internal Reluctor pickup
required to trigger to the ECU. This function has been developed to allow a wide range of
Internal Reluctor pickups of varying signal amplitude to drive the ECU. When choosing the
Trigger Gain start at
zero and increase the gain until a steady trigger signal is seen, this can be
done when the timing is checked for the first time. During cranking check that there is
ignition and that the timing mark on the pulley wheel does not jump erratically, if there is no
ignition or the timing mark jumps erratically increase the gain until the timing mark is steady.
This should only be done when the installation is complete. The lowest Trigger gain possible
to achieve steady ignition should be used. The scope traces below show the effect of the Gain
settings on the signal as the microprocessor would see it. The signal used is a Motronic 60-2.
Please note that Fig 2 and onwards have had Motronic Filtering.
Fig 1. Motronic input signal before Motronic filter and Reluctor gain.
Fig 2. Rough Motronic signal after Motronic filter with Reluctor Gain = 0