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Defines terms like Danger, Warning, and Note for safety instructions.
Describes standard symbols used in the manual for warnings and cautions.
Provides essential guidelines and precautions for safe operation and handling.
Checks to perform after receiving the VFD to ensure it is undamaged and complete.
Verifies the VFD is suitable for the intended load and supply voltage before use.
Specifies conditions for installation site, temperature, humidity, and altitude.
Outlines the fundamental steps for initial setup and operation of the VFD.
Explains the fundamental operation and circuit diagram of the VFD.
Details electrical and technical specifications for different VFD models.
Describes the information found on the VFD's nameplate for identification.
Explains how to interpret the VFD's model code for product identification.
Provides detailed electrical ratings for various models, including power, current, and voltage.
Illustrates the physical structure and components of the VFD.
Covers environmental requirements and physical installation directives for the VFD.
Details main circuit and control circuit wiring diagrams and terminal connections.
Explains protection measures for the VFD and cables against short circuits and overload.
Describes the VFD keypad's components and functions for control and parameter adjustment.
Explains the different display states and information shown on the keypad.
Details how to navigate menus and modify function codes using the keypad.
Lists and describes all function parameters, grouped by function codes (P00-P29).
Step-by-step guide for powering on the VFD for the first time after installation.
Explains the principles and application of vector control for motor operation.
Details the SVPWM control mode and its benefits for specific load types.
Provides guidance on identifying faults and troubleshooting resolutions for VFD errors.
Flowcharts for diagnosing common VFD issues like motor not working or vibration.
Lists recommended routine checks and intervals for VFD maintenance.
Details maintenance and replacement procedures for the VFD's cooling fan.
Explains the procedure for reforming DC bus capacitors if the VFD was stored long-term.
Provides an overview of the Modbus protocol and its application in VFDs.
Details the RS485 interface characteristics, baud rates, and transmission distances.
Explains the structure and error checking methods for RTU communication frames.
Describes the PROFIBUS standard and its application with VFDs.
Details the EC-TX-103 communication card, its functions, and appearance.
Explains how to configure the master station and VFD for PROFIBUS communication.
Covers VFD capacity, power ratings, and applicable ambient temperatures.
Explains load capacity reduction due to temperature, altitude, and carrier frequency.
Details grid voltage, short-circuit capacity, and frequency specifications.
Provides specifications for connecting asynchronous and synchronous motors.
Shows the structure and installation details of the VFD keypad.
Illustrates the internal components and overall structure of the VFD.
Provides dimensional drawings and installation data for 380V/440V VFDs.
Illustrates the external wiring diagrams for VFDs and their accessories.
Details specifications and recommendations for power and motor cable selection.
Provides guidelines for selecting and wiring analog and digital control cables.
Explains the selection and configuration of circuit breakers and contactors for VFD protection.
Covers the selection and installation of braking components like resistors and units.
Information on how to contact INVT for product support and service.
Guidance on accessing VFD manuals and product documents online.
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General