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Delta VFD015B21A User Manual

Delta VFD015B21A
250 pages
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Preface
Thank you for choosing DELTA’s high-performance VFD-B Series. The VFD-B Series is manufactured with
high-quality components and materials and incorporate the latest microprocessor technology available.
This manual is to be used for the installation, parameter setting, troubleshooting, and daily maintenance of the
AC motor drive. To guarantee safe operation of the equipment, read the following safety guidelines before
connecting power to the AC motor drive. Keep this operating manual at hand and distribute to all users for
reference.
To ensure the safety of operators and equipment, only qualified personnel familiar with AC motor drive are to
do installation, start-up and maintenance. Always read this manual thoroughly before using VFD-B series AC
Motor Drive, especially the WARNING, DANGER and CAUTION notes. Failure to comply may result in
personal injury and equipment damage. If you have any questions, please contact your dealer.
PLEASE READ PRIOR TO INSTALLATION FOR SAFETY.
DANGER!
1. AC input power must be disconnected before any wiring to the AC motor drive is made.
2. A charge may still remain in the DC-link capacitors with hazardous voltages, even if the power has been
turned off. To prevent personal injury, please ensure that power has turned off before opening the AC
motor drive and wait ten minutes for the capacitors to discharge to safe voltage levels.
3. Never reassemble internal components or wiring.
4. The AC motor drive may be destroyed beyond repair if incorrect cables are connected to the input/output
terminals. Never connect the AC motor drive output terminals U/T1, V/T2, and W/T3 directly to the AC
mains circuit power supply.
5. Ground the VFD-B using the ground terminal. The grounding method must comply with the laws of the
country where the AC motor drive is to be installed. Refer to the Basic Wiring Diagram.
6. VFD-B series is used only to control variable speed of 3-phase induction motors, NOT for 1-phase motors
or other purpose.
7. VFD-B series shall NOT be used for life support equipment or any life safety situation.

Table of Contents

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Delta VFD015B21A Specifications

General IconGeneral
SeriesDelta VFD-B Series
Horsepower2 HP
Output Power1.5 kW
Rated Output Current7.5 A
Protection LevelIP20
Output Voltage0-240V
Control MethodV/F control, Sensorless Vector Control
Protection FeaturesOver-voltage, Under-voltage, Over-current, Over-temperature
Input Voltage200-240V AC, 1-phase

Summary

Preface

Safety Precautions

Critical safety instructions and warnings before installation.

Warning and Caution Statements

Important warnings and cautions regarding product use and handling.

Chapter 1 Introduction

Preparation for Installation and Wiring

Steps before installing and wiring.

Storage Caution

Important cautionary notes regarding the storage of the AC motor drive.

Chapter 2 Installation and Wiring

Ambient Conditions for Operation and Storage

Specifies environmental conditions for operation and storage of the AC motor drive.

Installation Procedures

Step-by-step instructions for installing the AC motor drive correctly.

Installation Cautions

Critical cautionary advice for the AC motor drive installation process.

Wiring Guidelines

General information and precautions for wiring the AC motor drive.

General Wiring Information

Important information and applicable codes for wiring.

Basic Wiring Steps

Essential steps for basic wiring of the AC motor drive.

Wiring Dangers

Critical warnings about electrical dangers during wiring.

Basic Wiring Diagrams

Illustrative diagrams for basic AC motor drive wiring.

External Wiring Connections

Guidance on connecting external components and wiring.

Main Terminals Connections

Detailed explanation of connections for main terminals.

Control Terminals Overview

Description of control terminals and their functions.

Control Terminal Warnings

Critical warnings related to the control terminals.

Grounding Terminal Instructions

Guidelines for proper grounding of the AC motor drive.

Terminal Symbols and Functions

Definitions of terminal symbols and their corresponding functions.

Analog Input Terminals (AVI, ACI, AUI, ACM)

Information on analog input terminals and their usage.

Digital Input Terminals

Information on digital input terminals like FWD, REV, JOG.

Digital Output Terminals (MO1, MO2, MO3, MCM)

Information on digital output terminals and their functions.

Wiring Insulation Danger

Critical warning regarding damaged wiring insulation and high voltage.

Main Circuit Terminals Identification

Identification and specifications for main circuit terminals.

Chapter 3 Start Up

Pre-Start-up Preparations and Checks

Checklist of critical preparations and checks before initial start-up.

Operation Methods

Explains various methods for operating the AC motor drive.

Performing a Trial Run

Procedures for conducting a trial run of the AC motor drive.

Chapter 4 Digital Keypad Operation

Understanding the VFD-PU01 Digital Keypad

Detailed description of the VFD-PU01 digital keypad and its components.

Operating the VFD-PU01 Digital Keypad

Step-by-step guide on operating the VFD-PU01 digital keypad.

Chapter 5 Parameters

Summary of Parameter Settings

A summary of available parameters and their default settings.

Group 6 Protection Parameters

Parameters related to drive and motor protection functions.

Group 7 Motor Parameters

Parameters for configuring the motor characteristics and settings.

Group 9 Communication Parameters

Parameters for configuring communication interfaces like RS-485.

Parameter Settings for Applications

Examples of parameter settings for specific applications.

Emergency Stop by DC Braking Application

Using DC braking for emergency stop functions.

Parameter Settings Description

Detailed descriptions and explanations of various drive parameters.

Password Input and Set Parameters

Parameters for setting and managing the drive's password protection.

Control Method Parameter

Parameter to select the AC motor drive's control method (V/f, Vector).

Auto-Acceleration / Deceleration Parameter

Parameter to enable and configure auto acceleration and deceleration.

Master Frequency Command Source Parameters

Parameters to select the source for the master frequency command.

First Operation Command Source Parameter

Parameter to select the primary source for operation commands.

Master Frequency Command Source Selection

Parameter to select the source for the master frequency command.

Stop Method Parameter

Parameter to configure how the motor stops (ramp, coast).

PWM Carrier Frequency Selection Parameter

Parameter to set the PWM carrier frequency for noise reduction.

Motor Direction Control Parameter

Parameter to control the direction of motor rotation.

2-wire/3-wire Operation Control Modes

Parameter to select between 2-wire and 3-wire control modes.

Line Start Lockout Parameter

Parameter to manage drive behavior on power-on and command source changes.

PLC Mode Parameter

Parameter to select the PLC operation mode.

PLC Forward/Reverse Motion Parameter

Parameter to set the direction of motion for PLC multi-step speeds.

Over-Voltage Stall Prevention Parameter

Parameter to prevent stalls due to over-voltage conditions.

Over-Current Stall Prevention During Acceleration

Parameter to prevent stalls due to over-current during acceleration.

Over-Current Stall Prevention During Operation

Parameter to prevent stalls due to over-current during operation.

Over-Torque Detection Mode (OL2) Parameter

Parameter to set the mode for over-torque detection.

Over-Torque Detection Level (OL2) Parameter

Parameter to set the level for over-torque detection.

Over-Torque Detection Time (OL2) Parameter

Parameter to set the time duration for over-torque detection.

Electronic Thermal Overload Relay Selection (OL1)

Parameter to select the electronic thermal overload relay setting.

Fault Record Parameters

Parameters for storing and retrieving fault records.

Under-Current Detection Parameters

Parameters for detecting and responding to under-current conditions.

User-Defined Low-Voltage Detection Parameters

Parameters for setting user-defined low-voltage detection levels and times.

Motor Parameters

Parameters specific to motor configuration and tuning.

Motor Rated Current Parameter

Parameter to set the motor's rated current for drive configuration.

Motor No-load Current Parameter

Parameter to set the motor's no-load current.

Motor Parameters Auto Tuning

Parameter to initiate automatic motor parameter tuning.

DC Braking Parameters

Parameters to configure DC braking functions.

Momentary Power Loss Operation Parameter

Parameter to define drive behavior during momentary power loss.

Auto Restart After Fault Parameter

Parameter to configure automatic restart after a fault.

Software Braking Level Parameter

Parameter to set the braking level for the brake chopper.

Base Block Speed Search Parameter

Parameter to determine the drive restart method after base block.

Caution for Parameter Settings

Cautionary advice regarding incorrect parameter settings.

Communication Address Parameter

Parameter to set the unique communication address for the drive.

Transmission Speed Parameter

Parameter to set the communication transmission speed.

Communication Protocol Parameter

Parameter to select the communication protocol (Modbus ASCII/RTU).

Group 10 PID Control Parameters

Parameters for setting up and tuning the PID control loop.

PID Feedback Input Terminal Parameter

Parameter to select the input terminal for PID feedback.

Chapter 6 Fault Code Information

Information about various fault codes and their descriptions.

Chapter 7 Troubleshooting

Guide for diagnosing and resolving issues with the AC motor drive.

Chapter 8 Maintenance and Inspections

Procedures for maintaining and inspecting the AC motor drive.

Chapter 6 Fault Code Information

Common Problems and Solutions

Troubleshooting guide for common problems and their corrective actions.

Resetting the AC Motor Drive

Methods for resetting the AC motor drive after fault resolution.

Chapter 7 Troubleshooting

Troubleshooting Over Current (OC) Faults

Diagnostic steps and solutions for over-current faults.

Troubleshooting Ground Faults

Diagnostic steps and solutions for ground fault issues.

Troubleshooting Over Voltage (OV) Faults

Diagnostic steps and solutions for over-voltage faults.

Troubleshooting Low Voltage (Lv) Faults

Diagnostic steps and solutions for low-voltage faults.

Troubleshooting Over Heat (OH) Faults

Diagnostic steps and solutions for overheating issues.

Troubleshooting Overload Conditions

Diagnostic steps and solutions for overload conditions.

Troubleshooting Abnormal PU01 Display

Steps to diagnose and resolve abnormal display issues on the PU01 keypad.

Troubleshooting Phase Loss (PHL)

Diagnostic steps and solutions for phase loss faults.

Troubleshooting Motor Cannot Run Issues

Steps to diagnose why the motor is not running.

Troubleshooting Motor Speed Cannot Be Changed

Steps to diagnose issues with motor speed control.

Troubleshooting Motor Stalls During Acceleration

Steps to diagnose and resolve motor stalling during acceleration.

Troubleshooting Unexpected Motor Behavior

Steps to diagnose and resolve when the motor does not perform as expected.

Chapter 8 Maintenance and Inspections

Periodic Inspection Procedures

Scheduled checks to perform periodically for optimal condition.

Maintenance Safety Dangers

Critical safety warnings and precautions for maintenance activities.

Appendix A Specifications

Protection Functions

List of protection functions implemented in the AC motor drive.

Appendix B Accessories

PU06 Digital Keypad Description

Detailed description of the VFD-PU06 digital keypad and its functions.

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