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Esco invt GD350A Series User Manual

Esco invt GD350A Series
380 pages
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Product manual
Frequency inverter
GD350A Series
This operating instruction is to be read carefully and
kept at the place of installation of the device.
INVT - GD350A
INVT - GD350A

Table of Contents

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Esco invt GD350A Series Specifications

General IconGeneral
Output Voltage3-phase 0V to input voltage
Output Frequency0Hz to 400Hz
Cooling MethodForced air cooling
Overload Capacity150% for 60 seconds, 180% for 10 seconds
Braking UnitBuilt-in braking unit
CommunicationRS485, Modbus
Protection FeaturesOvervoltage, Undervoltage, Overcurrent, Overload, Overtemperature, Short circuit, Phase loss
Operating Temperature-10°C to 50°C
AltitudeUp to 1000m without derating
Storage Temperature-20°C to 60°C
Humidity5% to 95%, non-condensing

Summary

Preface

1 Safety Precautions

1.2 Safety Definition

Defines crucial safety terms like Danger, Warning, Note, and Trained/qualified professionals.

1.4 Safety Guidelines

Provides essential safety guidelines for handling, wiring, installation, and operation.

2 Quick Startup

2.2 Unpacking Inspection

Lists checks for the VFD and packaging upon receiving the product to ensure integrity.

2.3 Checking Before Applying

Details crucial checks of load, current, accuracy, voltage, and expansion cards before VFD application.

2.4 Environment

Specifies environmental conditions required for VFD installation and operation, including temperature and humidity.

2.5 Installation Confirmation

Verifies correct installation, cable connections, grounding, clearances, and general conformity to manual instructions.

2.6 Basic Commissioning

Outlines fundamental steps for VFD commissioning, including motor parameters, autotuning, and basic operations.

3 Product Overview

3.2 Basic Principle

Explains the VFD's core function of converting AC voltage to DC and then to variable AC voltage for motor control.

3.3 Product Specifications

Lists key technical specifications for the VFD, including power, input/output, and control modes.

3.5 Model Designation Code

Details the structure and meaning of the VFD model designation code for product identification.

3.6 Product Ratings

Provides output power, input current, and output current ratings for various VFD models under constant and variable torque.

4 Installation Guidelines

4.2 Mechanical Installation

Covers installation environment requirements and the importance of correct installation direction for heat dissipation.

4.3 Main Circuit Standard Wiring

Details the main circuit wiring diagrams and procedures, including connections for power, motor, and optional components.

4.4 Control Circuit Standard Wiring

Explains the control circuit wiring diagram, terminal functions, and various input/output signals.

4.5 Wiring Protection

Outlines protective measures for the VFD and motor cables against short circuits and thermal overload.

5 Basic Operation Guidelines

5.2 Keypad Introduction

Introduces the LCD keypad, its keys, indicators, and functions for VFD control and parameter setting.

5.4 Operating the VFD by Keypad

Explains menu navigation, parameter editing, list modification, and autotuning operations using the VFD keypad.

6 Function Parameter List

6.2 Function Parameter List Overview

Provides a comprehensive list of VFD function codes, names, descriptions, defaults, and modification status.

7 Troubleshooting

7.2 Indications of Alarms and Faults

Explains how alarms and faults are indicated via VFD indicators and keypad displays.

7.3 Fault Reset

Details the procedures for resetting VFD faults using the keypad, digital inputs, or power cycle.

7.5 VFD Faults and Solutions

Provides a systematic approach to diagnosing and resolving VFD faults, including possible causes and solutions.

Appendix B Technical Data

B.2 Derated Application

Explains derating requirements due to temperature, altitude, and carrier frequency to maintain VFD performance.

B.3 Grid Specifications and Motor Data

Details grid voltage, short-circuit capacity, and motor connection parameters for VFD compatibility.

B.6 EMC Regulations

Outlines Electromagnetic Compatibility (EMC) requirements and VFD categories as per IEC/EN 61800-3 standards.

Appendix C Dimension Drawings

C.2 Keypad Structure and Installation

Illustrates the physical structure, dimensions, and installation of the VFD's keypad and optional bracket.

C.3 VFD Structure

Shows an exploded view of the VFD, detailing its internal components and assembly.

C.4 VFD Structure Wall-Mounting Dimensions

Provides wall-mounting dimensions for various VFD models in a detailed table and diagrams.

Appendix E STO Function Description

E.1 STO Function Logic

Describes the input states of the Safe Torque Off (STO) function and their corresponding fault codes.

E.2 STO Channel Delay Description

Details the trigger and indication delays associated with the STO function channels for proper operation.