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Deutz EMS2, System Description

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Page 74

© 0702

EMS 2

Diagnosis

Summary of Contents for EMS2

Page 1: ...System description Electronic monitoring system EMS 2...

Page 2: ......

Page 3: ...ription provides an overview of the design and the operation of the electronic monitoring system EMS 2 In addition the functions which the EMS 2 contains and the manner in which problems in the engine...

Page 4: ...Page 56 0702 EMS 2...

Page 5: ...ut off fault code enquiry is possible see Diagnostic lamp flashes rapidly approx 1 Hz Emergency engine shut off if shut off limits are exceeded or not achieved Attention In a few seconds the engine wi...

Page 6: ...Page 58 0702 EMS 2 Important notes...

Page 7: ...re may be obtained In addition data exchange with other electronic control units e g EMR MVS is possible via the CAN interface 3 2 System overview 3 2 1 EMS 2 alone EMS Control unit Vehicle side Syste...

Page 8: ...e plug MVS Engine wiring harness DEUTZ scope of delivery EMS 2 X23 Coolant level sensor Air filter differential pressure switch CAN X22 X25 X26 0702 Vehicle side installation Service Interface Softwar...

Page 9: ...ssion of the output reduction signal if limit values are exceeded Engine shut off via the CAN interface sets e g the fuel injection quantity to zero The integration of measurement data and fault messa...

Page 10: ...he fault message is output if the diagnostic button is actuated during engine standstill as a flashing code via the diagnostic lamp with a notebook connected via the ISO9141 interface with the SERDIA...

Page 11: ...1 and 2 and reserve temperatures Connection to the EMS 2 is carried out in two ways Either via the inputs see Chapter 5 1 Or via the CAN interface from other systems MVS EMR In addition each time the...

Page 12: ...conds The functions described in the following may report maintenance requirements whereby each may initialise the maintenance lamp An enquiry regarding the functions which are reporting the maintenan...

Page 13: ...ries and system expansion values from the following table may be recorded The EMS 2 is programmed with a sensible data recording configuration in the factory Changes must be coordinated with head offi...

Page 14: ...s 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 t...

Page 15: ...nd 5 V digital For error code enquiry and limp home only 3 8 PWM input PWM signal switch Pulse duty fac tor digital Integration of a physical variable from another control unit e g oil pressure 4 15 1...

Page 16: ...peed may be allocated to each PWM output via configuration The output frequency of the PWM signal can be parameterised in the range from 85 Hz to 500 Hz whilst the pulse width i e the high or low time...

Page 17: ...in the warning range or a system component reports faulty behaviour such as e g sensor cable break or short circuit see Fault messages Rapid flashing indicates imminent or current engine protection sh...

Page 18: ...Page 70 0702 EMS 2 Inputs Outputs...

Page 19: ...out 6 2 CAN interface The CAN interface is a rapid serial data bus which is standardised according to SAE J1939 and which ena bles the exchange of data between several control units e g EMR MVS trans...

Page 20: ...Page 72 0702 EMS 2 Data interfaces...

Page 21: ...de which indicates which fault or signal has exceeded the limit value Each time the button is pressed the next fault is displayed Following the last fault the first fault message is output again The f...

Page 22: ...Page 74 0702 EMS 2 Diagnosis...

Page 23: ...ransits these as a fault code via the ISO9141 interface The codes are listed in the fault message Table Chapter 8 4 The fault messages can be read with the SERDIA diagnostic software and a notebook In...

Page 24: ...Oil pressure input Short circuit to GND Cable break or short circuit to UBatt S1 L1 S2 4 3 xxx NTC input Short circuit to GND Cable break or short circuit to UBatt S1 L1 S3 4 3 xxx PT100 1 input Shor...

Page 25: ...L3 S5 0 Parameter Reserve temperature 1 in warning range in shut off range reduction in power S1 L3 S6 0 Parameter Reserve temperature 2 in warning range in shut off range reduction in power S1 L3 S7...

Page 26: ...sch flashing code Maintenance interval reached operating hours S1 L6 S1 dispen sed with Maintenance interval reached Load population S1 L6 S2 dispen sed with Oil change limit reached S1 L6 S3 dispen s...

Page 27: ...ol unit has to be programmed with an engine specific data record the following specifications are necessary Engine number Complete part number Please contact your DEUTZ service partner Attention In or...

Page 28: ...Page 80 0702 EMS 2 Repair...

Page 29: ...rotection in the control units polarity reversal must be avoided Polarity reversal may lead to damage to the control units The control unit plug connections are only dust and water tight when the coun...

Page 30: ...Page 82 0702 EMS 2 Installation...

Page 31: ...e case of conducting connections with UBatt UBatt 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...

Page 32: ...2 14 Humidity relative humidity up to 95 maximum temperature 55 C Salt spray resistance The system is resistant to salt spray in accordance with IEC 68 2 52 Salt content NaCl max 5 1 percentage per ma...

Page 33: ...ling onto the plug side is not taken into consideration Vibration For any of the main axes the following maximum values apply Amplitude 0 35 mm Frequency 10 Hz to 60 Hz Acceleration amplitude 50 m s2...

Page 34: ...gnostic and limp home button 8 PWM input input 3 UBatt Free 26 ISO 9141 S lead ISO 9141 S lead 9 ISO 9141 L lead ISO 9141 L lead 27 Inductive speed sensor input 1B Pickup input 10 Inductive speed sens...

Page 35: ...0702 Page 87 EMS 2 Appendix 12 Appendix 12 1 Drawings examples Connection diagram EMS 2 alone example Communication lead EMS with EMR example Communication lead EMS with MVS example...

Page 36: ...Page 88 0702 EMS 2 Appendix...

Page 37: ...0702 Page 89 EMS 2 Appendix 12 2 Connection diagram EMS 2 alone example Note Only the engine specific wiring plan is valid 0702...

Page 38: ...Page 90 0702 EMS 2 Appendix...

Page 39: ...0702 Page 91 EMS 2 Appendix 12 3 Communication lead EMS with EMR example Note Only the engine specific wiring plan is valid 0702...

Page 40: ...Page 92 0702 EMS 2 Appendix...

Page 41: ...0702 Page 93 EMS 2 Appendix 12 4 Communication lead EMS with MVS example Note Only the engine specific wiring plan is valid 0702...

Page 42: ...Page 94 0702 EMS 2 Appendix...

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