BA052301-en 75
9.1.5 Constant Engine RPM
Notes on adjusting the engine rpm via the light barrier
When making adjustments in the lower rpm range (drive shaft rpm < 800), we recommend using
two reflectors in order to double the number of impulses generated.
When doing so, please remember the following:
• The reflectors must be systematically placed around the engine, exactly opposite one
another. Prominent points on the engine housing can be used to position the reflectors.
• When entering the gear ratio you must also double the previous value.
With the operating mode Constant Engine RPM the dyno is regulated in such a way that the
engine RPM remains constant independent from the traction and speed created by the vehicle.
The pre-selected target value (n-target) is regulated independent from the traction created by
the vehicle up to the max. dyno motor capacity.
1 Position the vehicle on the dyno and fix it.
2 Call up the menu LOAD SIMULATION and
then the menu item CONSTANT ENGINE
RPM.
→ The following screen appears:
3 Enter the target value of the engine RPM
n-target via the digit keys.
4 Use the button<F8 CONTINUE>.
→ The following screen appears
5 Start the measurement.
6 Use the button <F6> to start or stop the
graphic recording of the measurement.
9.1.6 Standstill
This menu point activates the deceleration of the roller set with a defined torque of the eddy
current brake.
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