Caterpillar — Startup Procedure
Installation · Caterpillar Digital Voltage Regulator (CDVR)
From a Caterpillar service manual — check it applies to your exact model before use.
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Before you start
- The Cat Digital Voltage Regulator presents an electrical shock/electrocution hazard. This hazard will cause serious injury or death. Service by trained personnel only.
- The terminals and heat sinks are live at hazardous voltages when power is applied and for up to 8 minutes after power is removed.
Procedure
- Connect the digital voltage regulator. Refer to Testing and Adjusting, "Wiring Diagrams" for a proper illustration. Follow notes and observe polarities.
- Apply battery power only to the regulator.
- Connect serial cable between CATV and PC. Start the CATV PC Software. Establish communication between the CATV and the PC.
- Verify that all of the parameters are properly adjusted for the application. Enter first configuration fields for System Configuration, Setting Adjustments, Control Gain Settings and Protections Setti
- Press the EEPROM button to save the settings in the CDVR.
- Start the engine. Make the final adjustments, as required.
- Press the EEPROM button to save the settings in the CATV.
- Record all settings.
- Press "Get From Unit" to verify that the settings were saved.
- Disable communications (if desired).
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Soft Start Time (sec.) - for emergency applications, set to 2 seconds or less
- Knee Frequency (Hz) - select a value that is 0.2 to 2 Hz below rated frequency
- Slope 1 (V/Hz) - 2V per Hz suggested
Source: Caterpillar service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.