t
RPM
Firing speed
RPM
NOM
Running
feedback
RPM
The diagram illustrates how the digital running feedback (terminal 117) is activated when the engine has reached its firing speed.
Remove starter
When the digital remove starter input is present, the start relay is deactivated and the starter motor will be disengaged.
t
RPM
Firing speed
Running
RPM
NOM
Running
feedback
Remove
starter
RPM
The diagram illustrates how the remove starter input is activated when the engine has reached its firing speed. At the running speed,
the digital running feedback is activated.
INFO
The remove starter input must be configured from a number of available digital inputs.
INFO
The running feedback is detected by either the digital input (see diagram above), frequency measurement above 32 Hz,
RPM measured by magnetic pick-up or EIC (option H12).
6.1.2 Analogue tacho feedback
When a magnetic pick-up (MPU) is being used, the specific level of revolutions for deactivation of the start relay can be adjusted.
DESIGNER'S HANDBOOK 4189341275A EN Page 100 of 196