7 Functions
66 Rev. 03/2019
– Limit on the analog current input exceeded/not reached
– Limit of the minimum spark duration exceeded/not reached
– Misfire rate (primary, single output) over limit
– Misfire rate (primary, all outputs) over limit
– Misfires per second (primary, all outputs) above threshold
– Consecutive misfires (primary, single output) above threshold
– Misfire rate (secondary, individual output) above threshold
– Misfire rate (secondary, all outputs) above threshold
– Misfires per second (secondary, all outputs) above threshold
– Consecutive misfires (secondary, single output) above threshold
A hysteresis can be defined for some alarms. You can configure the alarms with the MICT. Refer
to the section Inputs/Outputs – Alarms on page 106.
7.10 GPO: General Purpose Output
The function of the general purpose output (GPO) can be set as desired as normally closed or
normally open. The GPO can be used for the freely definable alarms.
You can enter the settings for the general purpose output with the MICT. Refer to the section
Inputs/Outputs – Alarms on page 106.
7.11 ASO: Auxiliary Synchronization Output
The ASO is an output of the MIC5 for synchronizing the MIC5 ignition controller and a connected
control unit. The possible applications include detonation control, valve control, and fuel
injection control.
The ASO signal is low-active, i.e. the pulse width is defined as the time difference between the
raising and falling edge (pulse width = t
raising – tfalling). The raising edge of the signal marks the
configured engine rotation angle. With the variable pulse width, the values can be allocated to
the engine rotation angle. A max. of 20 pulses can be configured for this purpose.
The pulse width is known at the time of the active edge, as the falling edge of the signal
precedes the raising edge by the value of the pulse width. The controller calculates the duration
of the falling edge from high-level to low-level and then back to the starting value of the
high-level.
The ASO signal can be inverted via the configuration. It will then be high-active.
You can configure the auxiliary synchronization output with the MICT. Refer to the section
Inputs/Outputs – ASO1 (Auxiliary Synchronization Output) on page 108.
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