7 Functions
Rev. 03/2019 65
7.7 Output Monitoring
Electronic switches are used for the ignition outputs of the MIC5 ignition controller If one of
these switches is defective, this would lead to a primary short or a primary open output. This can
cause problems when operating the engine or can damage the engine. The function of the
outputs is therefore monitored and errors that occur are displayed in the runtime data in the
MICT or can be transmitted via field buses. Different alarms are available for monitoring the
misfire rate. It can also be defined that the ignition is switched off in the event of output errors.
Refer to the section Inputs/Outputs – Alarms on page 106.
7.8 Schedules A/B
The MIC5 ignition controllers offer two separate schedules for the parameterization of the
ignition timing and energy.
By closing input Schedule A/B, the listed parameter settings for schedule B can be selected. A
possible application for this is e.g. operation with different gases. If only one schedule is
configured, this is used regardless of the switch position.
You can configure the schedules with the MICT. Please refer to Timing – Schedule A/B – General
on page 102 and Timing – Schedule A/B – Energy on page 104.
Operational safety!
If you use schedules A and B, the advanced timing point should be linked to
schedule B (switch closure). If a wire ruptures, schedule A is automatically
selected with the retarded (and thus safer) timing point.
7.9 Alarms
The MIC5 ignition controllers include 16 freely configurable alarms in total. These alarms can be
freely allocated to the general purpose output (GPO) and set depending on the following
functions:
– Limit for speed exceeded/not reached
– Limit for engine operating hours exceeded/not reached
– Limit for spark plug operating hours exceeded/not reached
– Warning active
– Error active
– Limit for temperature exceeded/not reached
– Limit for supply voltage exceeded/not reached
– Limit for global ignition timing exceeded/not reached
– Limit on the analog voltage input exceeded/not reached
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