Deutz EMS2, System Description

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EMS 2
System functions
4.4.2 Load population determination
If a load signal is transmitted from an electronic control unit via the CAN interface, the EMS 2 is able to
determine the capacity utilisation of the engine. In order to achieve this, the hours of engine operation are
allocated to the relevant load and speed ranges. Optimally-designed engines may therefore be made
available to the customer for special usages.
Load population:
S1 to S9 are operating time counters for the relevant range.
For maintenance information, the range counters are weighted with factors.
The load population can be displayed and printed out with SERDIA.
4.4.3 Override memory
If limit values are exceeded, the operator can, as in the case of the engine protection functions, see 4.2,
prevent the reduction in power or emergency engine shut-off via a button for a brief period of time or until
the engine is next stationary (depending on the EMS 2 programme).
The interruption of the protective functions is stored in the control unit of the EMS 2, and cannot be deleted.
4.4.4 Maintenance overdue memory
The EMS 2 stores the point in time at which maintenance was required and the reset time, i.e. when mainte-
nance was acknowledged.
These values may also be read with SERDIA.
4.5 Engine operation display
The EMS 2 may also be used for the purpose of engine operation display. As soon as the engine speed
exceeds a speed threshold of 400 rpm, a lamp is initialised. This function is not in use in all engine model
series.
S7 S8 S9
S4 S5 S6
S1 S2 S3
Load %
Engine speed n
L
2
L
1
n
2
n
1
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