6 Application
ARIADNE Knock Control 15
6.2 Fully integrated Knock Control Unit
ARIADNE can also be configured as part of a highly integrated gas engine management.
This can be particularly useful to fine tune every cylinder individually when combustion
and load can be controlled on each cylinder separately. In this case ARIADNE communi-
cates and receives all needed information over CAN-bus (cylinder knock levels, load
measurement). Together with other information and sensors (ex. cylinder exhaust gas tem-
peratures), the knock levels can be used by other units, for instance, to control the ignition
angle of each cylinder, to tune the gas injection duration on each cylinder individually for
best cylinder balancing or for derating algorithms in case of over temperature or knocking
combustion. Of course communication can be established to customer units or PLC over
CAN-bus (CANopen, Devicenet, J1939 …) or Mod-bus. As option, HEINZMANN ad-
vanced user interface DcDesk2000 can communicate with all HEINZMANN devices over
CAN-bus, making possible to monitor from the same PC all HEINZMANN gas engine
control units simultaneously.
Figure 8: Fully integrated Knock Control Unit
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