MarelliGenerators M40FA610A

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Summary

Safety Precautions

Electrical and Thermal Hazards

Warns about lethal voltage on energized components and high temperatures.

Installation and Wiring Safety

Emphasizes using qualified personnel and performing operations with the generator stopped.

Calibration and Testing Safety

Details safe practices for calibration with running generator, using insulated tools.

Application Overview

Technical Specifications

Terminal Connections

Power Supply and Sensing Terminals

Details terminals for power input and generator voltage/current sensing.

Output and Auxiliary Connections

Terminals for exciter field, Varicomp, and external control devices.

Frequency Selection and Grounding

Terminals for 60Hz mode selection and grounding connections.

External Potentiometer Usage

Potentiometer Adjustments

Voltage (VOLT) Potentiometer

Adjusts the generator output voltage setpoint.

Frequency (FREQ) Potentiometer

Sets the low-speed protection corner frequency.

Stability (STAB) Potentiometer

Controls regulation stability and response time.

Droop Adjustment

Low Speed Protection

Stability Setting

Droop Kit Device

Microswitch Functions

Micro-switch 1 & 2 (Response Time)

Adjusts the transient response time of the regulator.

Micro-switch 3 (Low Speed Protection)

Configures standard or proportional low speed protection.

Micro-switch 4 & 5 (Disabled)

Indicates that micro-switches 4 and 5 are not enabled.

Fuse and EMI Suppressor

Wiring Diagram: 6 Terminals + Varicomp

Wiring Diagram: 12 Terminals + Varicomp

Wiring Diagram: 6 Terminals + Aux. Winding