C32 Marine Auxiliary Engines Caterpillar

System configuration parameters are parameters that are configured to specify the engine's emissions levels, the power rating, and the specific application. Default values for the parameters are programmed at the factory. Some parameters may be changed in order to equip the engine for a specific application. The system configuration parameters must be reprogrammed if the ECM is replaced. It is not necessary to reprogram the system configuration parameters if you update the ECM flash file. Certain configuration parameters are stamped into the engine information plate.

Note: If the parameters that are protected with the factory passwords are changed, the Caterpillar warranty may be voided.

Check Programmable Parameters (268-2)

If a programmable parameter has not been programmed, the ECM will generate a 268-2 Check Programmable Parameters diagnostic code. The unprogrammed parameters will be set to default. Certain aspects of the engine's performance and engine monitoring may be affected.

If "Injector Trim" is displayed below a 268-2 diagnostic code on Cat ET, refer to Troubleshooting, "Injector Trim File - Install".

Parameter Descriptions

Equipment ID

This parameter allows the customer to enter a description into the ECM in order to identify the engine's application. A maximum of 17 characters can be entered in the field.

Engine Serial Number

The engine serial number must be programmed to match the engine serial number that is stamped on the engine information plate. The engine serial number is not preprogrammed into a replacement ECM.

ECM Serial Number

The serial number of the ECM that is stored in the ECM memory

Software Group Part Number

The part number of the flash file that is currently installed in the ECM

Software Group Release Date

The release date of the flash file that is currently installed in the ECM

Software Group Description

The description of the application for the flash file that is currently installed in the ECM

Rating Number

The rating number corresponds to the selected set of performance maps that has been selected for this application. There may be more than one set of performance maps that are available for this engine. All of the maps are resident in the flash file for the engine.

Rated Frequency

The line frequency of the generator set

Rated Engine Speed

The optimum speed of the engine

Rated Real Genset Power

The output power of the generator set in kilowatts

Rated Apparent Genset Power

The kVA rating of the generator set

Rating Configuration

The performance maps in the software

Test Spec

This is the engine's "Test Specifiction Number". Use this number to retrieve data that is related to the engine's specifications from the Technical Marketing Information System (TMI). The following information can be retrieved from TMI:

• "As shipped consists"

• "Engine test specifications"

• "Systems data"

• "Physical data"

• "Gasket kit data"

• "Reman parts"

• "Performance data"

A link to TMI Web can be found on the web site for the Service Information System (SIS).

Engine Acceleration Rate

This parameter defines the maximum rate of engine acceleration.

Low Idle Speed

This parameter defines the low idle rpm of the engine.

Engine Speed Droop

This parameter enables the engine to be operated in a load sharing system.

Droop/Isochronous Switch Enable

This parameter defines the installation status of a switch that is used to select droop or isochronous mode.

Droop Mode Selection

This parameter allows the customer to select droop or isochronous mode.

Remote Emergency Stop (E-Stop) Switch Input Type Configuration

This parameter sets the installation status and the configuration of the emergency stop switch.

Desired Speed Input Configuration

This parameter defines the type of signal that is used for throttle control. This parameter will be used while a valid signal is present at the expected input.

The following input types are available:

PWM - A Pulse Width Modulated signal (PWM) is received via terminal P1-66 at the ECM connector.

CAN Input - A J1939 signal is received via the CAN data link.

0 - 5 VDC - An analog signal is received via terminal P1-15 at the ECM connector.

Secondary Desired Speed Input Configuration

This parameter defines the type of signal that is used as a secondary throttle control. If the signal for this input becomes unavailable, the ECM will revert to this type of signal for the throttle control. Refer to "Desired Speed Input Configuration" for the input types that are available.

Fuel Enable Input Configuration

This parameter allows the selection for the type of input that is used to enable the fuel for the engine.

Secondary Fuel Enable Input Enable Status

This parameter sets the installation status of a secondary switch that can be used to enable the fuel for the engine.

Coolant Level Sensor

This parameter can be set to either "Installed" or "Not Installed".

Engine Oil Capacity

Program this parameter to the capacity of the engine oil.

Maintenance Indicator Mode

The ECM records data that is related to equipment maintenance. The ECM will activate the maintenance indicator lamp when scheduled maintenance is due. The maintenance indicator lamp can be reset by actuating the maintenance clear switch. The maintenance interval may be based on operating hours or fuel consumption. The ECM provides information that pertains to maintenance intervals and the last maintenance that was performed.

PM1 Interval

This parameter allows the customer to define the maintenance interval if "Maintenance Indicator Mode" is programmed to one of the manual options. Refer to the Operation and Maintenance Manual for more information.

Governor Gain Factor

This parameter is used in determining the engine's rate of response to an engine load.

Governor Minimum Stability Factor

This parameter is used by the ECM to offset the steady state speed error when the steady state speed error is less than 20 rpm.

Governor Maximum Stability Factor

This parameter is used by the ECM to offset the steady state speed error when the steady state speed error is greater than 20 rpm.

FLS

This parameter represents the fuel system adjustment that was made at the factory in order to fine tune the fuel system to the engine. The correct value for this parameter is stamped on the engine information plate. Only change this value if the engine is rerated or if a new ECM has been installed. Factory passwords are required to change this parameter.

FTS

This parameter is another parameter that represents a fuel system adjustment that was performed at the factory in order to fine tune the fuel system to this engine. Only change this value if the engine is rerated or if a new ECM has been installed. Factory passwords are required to change this parameter.

Total Tattletale

The total tattletale counts the number of changes to system parameters.

Parameter Table

Parameter Worksheet

Note: Compare the FLS and the FTS from the ECM with the values that are listed on the engine information plate. Use of incorrect parameters could cause damage to the engine. The use of the wrong parameters may also void the Caterpillar warranty or the emission certification for the engine.