NUT 3445674 - Caterpillar

Electric Power Generation: AllIntroduction
This Special Instruction will guide the user with step-by-step instructions for replacing a factory installed EMCP 3 with an EMCP 4.1 or an EMCP 4.2 and configuring an EMCP 4.1 or EMCP 4.2 on to a current production Caterpillar generator with an existing EMCP 3 installed.Important Safety Information
Do not perform any procedure in this Special Instruction until you have read this Special Instruction and you understand this information. Use only proper tools and observe all precautions that pertain to the use of those tools. Failure to follow these procedures can result in personal injury. The following procedures should also be observed.Work safely. Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs.A person must be alert to potential hazards. This person should also have the necessary training, skills, and tools in order to perform these functions properly.Safety precautions and warnings are provided in this instruction and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons. Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard.Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive. Ensure that any tool, procedure, work method, or operating technique you use that is not recommended by Caterpillar is safe.Ensure that the product will not be damaged or the product will not be made unsafe by the operation, lubrication, maintenance, or repair procedures used.
Do not operate or work on this engine or generator set unless you have read and understand the instructions and warnings in the Operation and Maintenance Manuals.Failure to follow the warnings and instructions could result in injury or death. Contact any Caterpillar dealer for replacement manuals. Proper care is your responsibility.
Hardware
The EMCP 4.1/4.2 was designed to use the same 70-pin connector, pin assignment, and sheet metal cutout that is currently used on the EMCP 3. This design will allow the EMCP 4.1/4.2 to service replace factory installed EMCP 3 controllers. The EMCP 4.1 will replace the EMCP 3.1 and the EMCP 4.2 will replace either an EMCP 3.2 or EMCP 3.3. The current EMCP 3 wiring harness may not provide support for the additional functionality on the EMCP 4. Additional wiring may be required to utilize the added functionality. Refer to Table 3 for the 70-pin connector pin assignment.Configuration of EMCP Controller
Increased usability and functional enhancements on the EMCP 4 family of controllers have made it necessary to remove some setpoints from the EMCP 4 that were previously configurable on the EMCP 3. When attempting to program an EMCP 3 ECM or Fleet replacement file onto an EMCP 4 using Caterpillar Electronic Technician (Cat ET), user will be ask to confirm that they want to proceed with the automatic conversion of setpoints. After the conversion is completed a programming summary