Rev. 01/2015 57
The ignition controllers of the MIC500 series include freely configurable safety and auxiliary
functions that, amongst others, can shut down the engine in case of fault.
Angle indications in the operating manual
All angles in this operating manual are given in °crankshaft. Exceptions are
clearly identified.
7.1 Monitoring of Pickup Signal
The MIC500 monitors the pickup signal. Possible errors are indicated on the device by the LED.
For further information on errors, please refer to the overview in section Message and Error
Overview on page 113.
7.2 Go/NoGo
The Go/NoGo output is an open collector output that is closed during firing and opens when the
ignition switches off. The maximum switching current is 100 mA. The output can drive an
external relay that, for example, opens a gas valve.
The following errors can cause the ignition outputs to shut down:
– Overspeed
– Pickup error
– Insufficient supply voltage (Low Power)
– Misfire rate
FUNCTIONS
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