Woodward ECM3 Installation Manual

100 pages

To Next Page

Installation Manual

ECM3

Electronic Fuel Injection Control

for MHI Engines

Manual 26349

TP-6645

Table of Contents3
Regulatory Compliance7
Electrostatic Discharge Awareness9
Chapter 1. General Information11
Introduction11
Input/Output Arrangement11
Control Specifications12
Figure 1-1. ECM3 Outline Drawing13
Chapter 2. Installation14
Introduction14
Unpacking the Shipping Carton14
General Installation Notes and Warnings14
On-Engine Mounting15
Figure 2-1. Vibration Isolator Installation15
Temperature Specifications16
Electrical Connections17
Figure 2-2. Mounting Hole Layout17
Grounding for Protection against Electrical Shock19
Grounding for Protection against Electrical Noise19
Figure 2-3. I/O Isolation21
ECM3 Wiring Diagrams22
Figure 2-4. J1 Pin out23
Figure 2-5. J2 Pin out24
Figure 2-6. J3 Pin out25
Figure 2-7. J4 Pin out25
Input Power26
Figure 2-8. Input Power Wiring Diagram28
MPU and Proximity Sensor Inputs29
Figure 2-9. Duty Cycle30
Figure 2-10. MPU Wiring Diagram31
Figure 2-11. MPU Signal Arm and Trigger32
Figure 2-12. MPU Wired Correctly32
Figure 2-13. MPU Wired Incorrectly32
Figure 2-14. Proximity Sensor Wiring Diagram33
General Purpose Analog Inputs34
Figure 2-15. Current Input Wiring Diagram; Loop Powered35
Figure 2-16. Current Input Wiring Diagram; Self-Powered35
Engine Sensor Analog Inputs37
Figure 2-17. Voltage Input Wiring Diagram; Self-Powered37
Figure 2-18. Engine Sensor Analog Input Wiring Diagram38
Temperature Sensor Analog Inputs40
Boolean and PWM Inputs41
Figure 2-19. Temperature Sensor Analog Input Wiring Diagram41
Figure 2-20. Boolean Usage42
Figure 2-21. PWM Usage42
Figure 2-22. PWM Input Wiring Diagram43
Boolean Inputs44
Figure 2-23. Boolean Input Wiring Diagram44
Figure 2-24. Sourcing Input Wiring Diagram45
Figure 2-25. Sinking Input Wiring Diagram45
Boolean and PWM Outputs46
Figure 2-26. PWM Output Wiring Diagram for L-Series, FCV, Flo-Tech47
Figure 2-27. PWM Output Wiring Diagram for Proact Digital Plus48
Figure 2-28. PWM Output Wiring Diagram for General Application48
Fuel Injection Outputs49
Figure 2-29. Boolean Output Wiring Diagram49
Figure 2-30. Fuel Injection Group Design50
Serial Communication Ports52
Figure 2-31. Fuel Injection Output Wiring Diagram52
Figure 2-32. RS-232 Wiring Diagram54
CAN Communication Ports57
Figure 2-33. RS-485 Wiring Diagram57
Figure 2-34. CAN Cable Cross-Section59
Figure 2-35. CAN System Wiring Example60
Figure 2-36. CAN-1 Wiring Diagram62
Figure 2-37. CAN-2 and CAN-3 Wiring Diagram63
Chapter 3. Serial Communications64
Modbus Communication64
Figure 3-1. ASCII/RTU Representation of 364
Figure 3-2. Modbus Frame Definition65
Port Adjustments66
Chapter 4. Programming and Service Tools67
Introduction67
Connecting the ECM3 to a PC68
Loading Woodward Software Tools on the PC68
Applying Power to the ECM368
Toolkit Software Instructions68
Figure 4-1. Connecting the ECM3 to a PC68
Watch Window Software Instructions73
Using Watch Window78
Chapter 5. Speed and Position Sensing79
Speed Sensing for Fuel Injection79
Figure 5-1. Sensor Symbol Key79
Figure 5-2. Pattern 180
Figure 5-3. Pattern 480
Figure 5-4. Pattern 281
Figure 5-5. Pattern 881
Figure 5-6. Pattern 381
Figure 5-7. Pattern 681
Figure 5-8. Pattern 781
Figure 5-9. Pattern 981
Figure 5-10. Pattern 581
Chapter 6. Service Options87
Product Service Options87
Returning Equipment for Repair88
Replacement Parts89
How to Contact Woodward89
Engineering Services90
Technical Assistance91
Appendix A. Connector Information92
Recommended Wire Size and Types93
Wire Gauge-AWG to Metric Comparison94
Appendix B. Commissioning Procedure95
Control I/O Commissioning95
EFI Valve Commissioning95
Appendix C. Proximity Sensors96
Figure C-1. Prox Sensor Schematic96
Metric Proximity Sensor97
SAE Proximity Sensor97
Figure C-2. Metric Proximity Sensor97
Figure C-3. SAE Proximity Sensor97
Ecm3 Control Specifications99

Other manuals for Woodward ECM3

Product Manual98 pages

Need help?

Do you have a question about the Woodward ECM3 and is the answer not in the manual?

Woodward ECM3 Specifications

General

Number of Analog Inputs	8
Number of Digital Inputs	16
Number of Digital Outputs	8
Inputs	Analog, Digital
Outputs	Digital
Processor Type	32-bit
Memory	Flash, RAM

Related product manuals

Woodward MSLC 9907-004

100 pages

Woodward SECM112

22 pages

Woodward ECM3 Installation Manual

Table of Contents

Other manuals for Woodward ECM3

Woodward ECM3 Specifications

Related product manuals