7 Functions
64 Rev. 03/2019
7.4.3 Cylinder-to-Cylinder Alignment
The cylinder-to-cylinder alignment enables the user to change the timing for individual cylinders
to optimize their combustion.
You can enter the settings for the cylinder-to-cylinder alignment with the MICT. Please refer to
the chapter Cylinder Individual Offsets on page 149.
Use of measuring unit
Use this setup option only if a suitable measuring unit is available for
determining the optimum timing point, so that the result of a change can be
assessed immediately.
7.4.4 Speed Curve
To optimize the ignition, for example, during the start phase of the engine, a speed curve can be
defined for the MIC5 ignition controllers. To create this curve, up to eight adjustable speed
points are available.
You can configure the speed curve with the MICT. Refer to the section Timing – Schedule A/B –
General on page 102.
7.4.5 Ignition Timing Correction
There are two options for making corrections to the ignition timing:
– CANopen/Modbus/J1939
The field buses can be used to adjust the cylinder individual ignition timing points in 0.1°
increments by max. +/– 12.5 °crankshaft, restricted by the ignition timing point limits of the
current schedule.
– MICT via USB
Please refer to the section Runtime Adjustments – Timing on page 145.
7.5 Firing Angles
The min. distance between two ignition angles depends on the overspeed. The smallest ignition
spacing per output bank can be calculated using the following formula:
7.6 HV-Power Supply Error Monitoring
The voltage applied is monitored for excess voltage or low voltage by the integrated power
supply. For both errors a Power-Fail error is saved and the device shuts off.
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