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SUZHOU VEICHI Electric Co., Ltd.
AC80 high performance VC frequency inverter

AC80 high performance VC frequency inverter

Product catalog summary

Overview
This document is a comprehensive manual for the AC80B high-performance VC frequency inverter by Veich Electric Co., Ltd. It covers safety requirements, technical specifications, installation procedures, control parameters, and maintenance guidelines.

Safety Requirements and Cautions
The manual emphasizes the importance of safety, using symbols to indicate potential dangers. Only trained personnel should handle installation and maintenance. Safety regulations cover all operational aspects, including transport, storage, and disposal.

Technical Criteria
The inverter supports various power inputs and offers high efficiency and power factor. It has a frequency range of 0-400Hz and an overload capacity of up to 200% rated current for short durations.

Control Parameters
Multiple motor control modes are available, including VC without PG and V/F control. Features include DC braking, torque upgrade capacity, and energy-saving running.

Standard Functions
Standard features include PID control, speed tracking, power-off restart, and RS485 communication. The inverter provides protection against over-voltage, under-voltage, and other faults.

Environmental Specifications
Designed for indoor use at altitudes up to 1000m, the inverter requires forced cooling and offers IP20 protection.

Installation and Wiring
Installation must ensure adequate cooling and protection against contaminants. Specific precautions are outlined for handling the inverter and motor, including considerations for long cable runs.

Long-term Storage Treatment
If stored for over a year, the inverter's aluminum capacitors require precharging before installation.

Inverter Stable Running Environment
The inverter should be installed indoors, away from direct sunlight and contaminants, with specific temperature and humidity ranges.

Protection Against Electromagnetic Interference
Proper installation is crucial to avoid faults. Equipment should be earthed, and cables shielded. Noise filters and zero phase reactors are recommended.

Earthing
Reliable earthing is essential, with earth resistance below 10Ω. The inverter should not share an earth cable with high-current equipment.

Machinery and Electric Installation
The inverter must be installed vertically with adequate ventilation. Only trained professionals should perform wiring tasks, ensuring separation of control, power, and motor cables.

Main Circuit Terminals
The manual details the array and definition of main circuit terminals, providing specifications for screws and cable sizes.

Specifications and Recommendations
Detailed specifications for installation and wiring are provided, including recommended cable diameters and fixed moments for different power levels.

Control Loop Terminals
Specifications for control loop terminals are outlined, emphasizing the use of shielded cables.

Braking Unit Connection
Guidelines for connecting braking units are provided, with emphasis on adjusting resistance values for large inertia or frequent braking occasions.

Safety Tips
Precautions include ensuring no wiring while the power supply is connected and following ESD regulations.

Basic Operation and Trial Run
The document explains the keyboard layout and functions, including menu navigation and parameter modification.

Parameter Initialization and Control Modes
Initialization of parameters and control modes are described, with examples provided for setting specific modes.

Start-up and Stop Modes
Three start-up modes and various stop modes are detailed, with examples provided for specific settings.

Motor Parameter and Run Monitoring Settings
Motor parameters are set according to the motor nameplate, with run monitoring settings detailed.

Trial Run and Debugging
Includes a debugging guide and emphasizes the importance of wiring checks to prevent damage.

Fault Diagnoses and Processing
Details various fault types and provides a comprehensive list of fault codes and treatments.

Periodic Overhaul and Maintenance
Regular maintenance is crucial, with guidelines provided for daily checks and periodic overhauls.

Peripheral Equipment and Options
Safety rules and functions of peripheral equipment are outlined, emphasizing proper selection and installation.

Frequency Control and Terminal Switch
Details on frequency control via optional cards and terminal settings are provided.

Main and Auxiliary Channel Settings
Settings for main and auxiliary channels are detailed, including gain adjustments and input methods.

Frequency Channel Combinations
Various combinations of main and auxiliary channels are described, with frequency limits specified.

Carrier Frequency and PWM Settings
Settings for carrier frequency and PWM characteristics are provided, affecting noise and heat.

Parameter Initialization and AVR Function
Details on parameter initialization and AVR function settings are provided.

Run Control Parameters
Settings for start-up mode, braking parameters, and acceleration/deceleration times are detailed.

Specifications and Parameters
Various specifications for start frequency, braking current, and speed tracking are outlined.

Procedures and Recommendations
Recommendations for DC braking, speed tracking, and emergency stop settings are provided.

Norms and Standards
Factory settings and terminal functions are detailed, with customization options based on application needs.

Key Notes
Important notes on start frequency limitations and inverter start ACC are provided.

Specifications
Settings for analog signal outputs, frequency settings, and motor parameters are outlined.

Procedures
Instructions for setting inverter monitor outputs and adjusting output gains are provided.

Norms and Recommendations
Recommendations for setting motor parameters and ensuring proper operation are provided.

Key Data from Tables
Tables listing output signal options and factory settings are included.

Critical Information
Emphasizes the importance of setting correct motor parameters for high accuracy control.

Direction Identification and Phase Adjustment
Details on direction identification and phase adjustment are provided.

Break Inspection
Settings for break inspection and alarm are outlined.

PG Feedback Channel
Details on PG feedback channel selection and adjustments are provided.

VC Control Parameters
Settings for speed response under VC control are detailed.

Torque Control Parameters
Settings for torque control, including source selection and limits, are provided.

V/F Control Parameters
Settings for V/F curve and output voltage adjustments are detailed.

Key Recommendations
Recommendations for adjusting proportional gain and integral time are provided.

Energy Saving Parameters
Details on energy-saving function settings are provided.

Malfunction and Protection Parameters
Protection function settings for overcurrent, overvoltage, and other issues are detailed.

Voltage and Current Settings
Settings for DEC and running OV protection are provided.

Overcurrent and Overload Protection
Settings for ACC and DEC OC protection points are detailed.

Malfunction Handling
Auto-reset functions and malfunction codes are provided.

PID Control Parameters
Settings for PID signal source and feedback signal gain are detailed.

PID Feedback Signal Source
Details on PID feedback signal source settings are provided.

Feedback Signal Gain and Range
Settings for feedback signal gain and range are detailed.

PID Output Traits
Settings for PID output traits are provided.

PID Preset Frequency and Timing
Settings for preset frequency and timing are detailed.

PID Control Parameters
Settings for proportion gain, integral time, and differential coefficient are provided.

Wire Break Detection and Alarm
Settings for wire break detection and alarm are detailed.

Dormancy System for Stable Pressure
Settings for dormancy system parameters are provided.

Multi-step and PLC Function
Settings for multi-step and PLC function parameters are detailed.

Swing Frequency Control
Settings for swing frequency control are provided.

Function Parameter Specification
Details on swing frequency control and communication control function parameters are provided.

Key Takeaways
The inverter offers flexible control over frequency and communication settings, with options for customization based on operational needs.

Protection Function Selection
Settings for emergency stop, input/output phase lack protection, and short circuit protection are detailed.

Fan Control
Settings for fan operation based on temperature and inverter status are provided.

Overvoltage and Undervoltage Protection
Settings for DEC OV protection and running OV protection are detailed.

Current and Speed Protection
Settings for ACC OC protection point and DEC OC protection point are provided.

Malfunction Auto-Reset
Settings for auto-reset times and interval are detailed.

PID Parameters
Settings for PID signal source and feedback signal gain are provided.

Multi-step, PLC Function, and Swing Frequency Parameters
Settings for step frequencies and PLC run mode selections are detailed.

Communication Control Function Parameters
Settings for main-slave machine configuration and communication baud rate are provided.

Monitor Code
Settings for give frequency and output frequency are detailed.

Machine Malfunction Code Table
Lists various malfunction codes and their descriptions.

RS485 Communication Protocol
Details the communication protocol for the AC80 series frequency inverter.

Overview
The document outlines the ModBus communication protocol used for master-slave communication in AC80 series frequency inverters.

Communication Protocol
The AC80 series connects to a control network using RS485 for master-slave communication.

RTU Frame Structure
The RTU frame structure is detailed, including function codes and error checking.

Command Codes
Details command codes for reading and writing parameters and circuit auto-detection.

Error Checking
ModBus uses odd/even checking for character errors and CRC-16 for frame errors.

Communication Data Address Definition
Addresses are defined for controlling the frequency inverter and fetching mode information.

PG Card Manual
The AC80PG feedback card is used for motor speed and direction control.

Optional Terminal Function
Describes optional terminal functions for track signal channels.

Installation Size
Details on installation size and layout are provided.

Electric Connection and Usage
Covers wiring instructions for different types of encoder wiring.

AC80 high performance VC frequency inverter

AC80 high performance VC frequency inverter

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