Deutz EMR 2, System Description, Page: 20 / 60

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© 06/02
EMR 2
System Functions
4.6 Droop control
One of the features of the electronic governing is that, in contrast to mechanical governors, the P-Gradient
can be set to 0 % and switched over between two defined P-gradients. The maximum value lies at 80 %.
For limiting the P-gradient relationship of the mechanical governor, provision is made for a speed-depen-
dent P-gradient function by means of a characteristic curve with eight speed support points.
4.7 Engine start/stop
As soon as the control apparatus recognizes the start-speed, the control rod is freed for the start.
For switching the engine off, the EMR 2 must be switched via the key-operated switch in a de-energized
manner. With this setting, the controlling rod is moved to the stop position by the spring action of the actua-
tor and/or the redundancy solenoid.
The switching off of the engine can also be triggered by a fault in the EMR 2 (see Chapter 7.1, Self-Diagno-
stic).
Function Variant Description Remarks
P-gradient Constant P-gradient P-gradient is constant within the whole speed range. Only one
variant can
be selected
Variable P-gradient Speed-dependent P-gradient
P-gradients 1/2 Switching between two fixed P-gradients
Constant/variable Switching between constant and variable P-gradients
Switchable variant
pin 21, GND pin 17 V-plug
Switch open
(1/HIGH)
1)
1) With open switches, the underlined conditions above are activated as default values..
Switch closed
(0/LOW)
P-Gradient 1/ P-Gradient 2 P-gradient 1 P-gradient 2
Constant / variable P-gradient Constant Variable
Function Variant Description
Engine start/stop Switching off with the
EMR 2 actuator In a de-energized condition, the EMR 2 actuator moves
the control rod into the stop position and switches the
engine off
Redundant switching-
off with the solenoid
(pin M 2
1)
and M 1)
1) M 2: Engine plug, pin 2
In addition, the engine is switched off by means of a sole-
noid (must be programmed in the control unit)