System Configuration Parameters
Certain parameters are unique for each engine application. Table 1 is a list of the parameters that can be configured for G3520B Engines. The parameters are programmed into the Electronic Control Module (ECM) via the Caterpillar Electronic Technician (Cat ET). The values of the parameters can be viewed on the "Configuration" screen of Cat ET.
Most of the parameters are common to engines that use oxygen feedback and to engines that use charge density. However, some of the parameters are associated only with oxygen feedback or with charge density.
Refer to Systems Operation/Testing and Adjusting, "Electronic Control System Parameters" for the descriptions of the parameters.
Show/hide table
| Configuration Parameters for G3520B Engines | |||||
|---|---|---|---|---|---|
| Parameter | Oxygen Feedback | Charge Density | |||
| Timing Control | |||||
| "First Desired Timing" | Yes | Yes | |||
| "Second Desired Timing" | Yes | Yes | |||
| Air/Fuel Ratio Control | |||||
| "Fuel Quality" | Yes | Yes | |||
| "Gas Specific Gravity" | Yes | Yes | |||
| "Desired Oxygen at Full Load" | Yes | No | |||
| "Oxygen Feedback Enable Status" | Yes | No | |||
| "Fuel Specific Heat Ratio" | No | Yes | |||
| "Desired Emission Gain Adjustment" | No | Yes | |||
| "Air/Fuel Proportional Gain" | Yes | Yes | |||
| "Air/Fuel Integral Gain" | Yes | Yes | |||
| Speed Control | |||||
| "Low Idle Speed" | Yes | Yes | |||
| "Minimum High Idle Speed" | Yes | Yes | |||
| "Maximum High Idle Speed" | Yes | Yes | |||
| "Engine Accel. Rate" | Yes | Yes | |||
| "Desired Speed Input Configuration" | Yes | Yes | |||
| "Governor Type Setting" | Yes | Yes | |||
| "Engine Speed Droop" | Yes | Yes | |||
| "Governor Proportional Gain" | Yes | Yes | |||
| "Governor Integral Gain" | Yes | Yes | |||
| "Governor Derivative Gain" | Yes | Yes | |||
| "Auxiliary Proportional Governor Gain 1" | Yes | Yes | |||
| "Auxiliary Integral Governor Gain 1" | Yes | Yes | |||
| "Auxiliary Derivative Governor Gain 1" | Yes | Yes | |||
| Start/Stop Control | |||||
| "Driven Equipment Delay Time" | Yes | Yes | |||
| "Crank Terminate Speed" | Yes | Yes | |||
| "Engine Purge Cycle Time" | Yes | Yes | |||
| "Engine Cooldown Duration" | Yes | Yes | |||
| "Cycle Crank Time" | Yes | Yes | |||
| "Engine Overcrank Time" | Yes | Yes | |||
| "Engine Speed Drop Time" | Yes | Yes | |||
| "Engine Pre-lube Time Out Period" | N/A | ||||
| Monitoring and Protection | |||||
| "High Inlet Air Temp Load Set Point" | Yes | Yes | |||
| Power Monitoring | |||||
| "Generator Output Power Sensor Scale Factor" | Yes | Yes | |||
| "Generator Output Power Sensor Offset" | Yes | Yes | |||
| "Engine Output Power Configuration" | No | Yes | |||
| "Engine Driven Accessory Load Configuration" | No | Yes | |||
| Information for the ECM | |||||
| "Engine Serial Number" | Yes | Yes | |||
| "Equipment ID" | Yes | Yes | |||
| "Customer Password #1" | Yes | Yes | |||
| "Customer Password #2" | Yes | Yes | |||
| "Total Tattletale" | Yes | Yes | |||
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