Deutz EMS2, System Description

Page: 31 / 42

© 0702
Page 83
EMS 2
Technical data
11 Technical data
11.1 Inputs/Outputs
The following tables contain an overview of the technical data of the EMS 2.
11.1.1 Input table
11.1.2 Outputs table
1
11.2 Electrical specifications
Nominal voltages: 12 V and 24 V,
each unit functions with both nominal voltages
Operating voltage range: U
Batt
from 9 V to 32 V
Polarity reversal protection: The unit is protected against battery voltage polarity reversal.
Overvoltage protection: The unit is equipped with load-dump protection against 65 V for
300 ms.
Short-circuit strength: All of the unit's connections are short-circuit-proof in the case of
conducting connections with +U
Batt
, -U
Batt
and the connections
against each other.
Off-ground nature: The housing is off-ground.
Stray power emission: Via air convection.
Terminal 30 load: < 10 mA with terminal 15 shut-off
No. Pin GND Designation Range
1A 1 Speed input 0/U
Batt
1B 10, 27
2 25 29 Limp-home and diagnosis Button only (0/U
Batt
)
3 8 PWM input 0 to U
Batt
(digital)
4 15 13 Pressure measurement input 0 to 5 V (analog)
5 14 31 NTC input 0° C to 130° C
6 32 30 PT100-1 0° C to 300° C
7 17 PT100-2 0° C to 300° C
8 16 Analogue 1 0 to U
Batt
(analogue)
9 34 Analogue 2 0 to U
Batt
(analogue)
10 33 12 Analogue 3 0 to 5 V (analogue)
No. Pin Designation max. current load
1 21 Digital 3 3 A
2 22 Digital 4 3 A
3 3 Digital / PWM1 0.5 A
4 4 Digital / PWM2 0.5 A
5 5 Maintenance/Service
lamp 0.5 A
6 23 Diagnostic lamp 0.5 A
1)
Open collector