YASKAWA Varispeed E7 - User Manual

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YASKAWA Varispeed E7 Specifications

General

Brand	YASKAWA
Model	Varispeed E7
Category	DC Drives
Language	English

Summary

Handling Inverters

Varispeed E7 Introduction

Provides an overview of the Varispeed E7 series, its applications, and models.

Confirmations upon Delivery

Details checks to perform immediately after receiving the inverter to ensure correct delivery.

Exterior and Mounting Dimensions

Presents exterior diagrams and dimensions for various inverter models.

Checking and Controlling the Installation Site

Outlines conditions for the installation site, including temperature, humidity, and environmental factors.

Installation Orientation and Space

Specifies the required installation orientation and clearance for proper heat dissipation.

Removing and Attaching the Terminal Cover

Provides instructions on how to remove and reattach the terminal cover for wiring.

Removing;Attaching the Digital Operator and Front Cover

Guides users on safely removing and attaching the digital operator and front cover.

Wiring

Connections to Peripheral Devices

Illustrates example connections between the inverter and typical peripheral devices.

Connection Diagram

Presents a detailed connection diagram for the inverter, showing all terminals and connections.

Terminal Block Configuration

Shows the arrangement and identification of terminal blocks for control and main circuits.

Wiring Main Circuit Terminals

Details wiring specifications for main circuit terminals, including wire sizes and connectors.

Wiring Control Circuit Terminals

Provides guidance on wiring control circuit terminals and their specifications.

Wiring Check

Lists essential checks to perform after all wiring has been completed to ensure correctness.

Digital Operator and Modes

Digital Operator

Describes the displays and functions of the digital operator interface.

Modes

Explains the different operating modes of the inverter and how to switch between them.

Trial Operation

Trial Operation Procedure

Outlines the step-by-step procedure for performing trial operation of the inverter.

Trial Operation

Details the process of conducting the trial operation, including application confirmation and power on.

Adjustment Suggestions

Provides advice on adjusting constants to resolve issues like hunting or vibration during trial operation.

User Constants

User Constant Descriptions

Explains the structure and meaning of user constant tables and their components.

Digital Operation Display Functions and Levels

Shows the hierarchy of the digital operator display functions and access levels.

User Constant Tables

Lists all user constants that can be set in the inverter, organized by category.

Constant Settings by Function

Application Selections

Covers settings related to application requirements, such as carrier frequency selection.

Frequency Reference

Explains how to select the source for the frequency reference input.

Run Command

Details the methods for selecting the source of the run command for inverter operation.

Stopping Methods

Describes various methods for stopping the inverter when a stop command is input.

Acceleration and Deceleration Characteristics

Explains how to set acceleration and deceleration times and S-curve characteristics.

Adjusting Frequency References

Details methods for adjusting frequency references using analog inputs and related constants.

Speed Limit (Frequency Reference Limit Function)

Explains how to limit the maximum and minimum output frequencies.

Frequency Detection

Describes the types of frequency detection methods available for monitoring.

Improved Operating Efficiency

Covers functions like torque compensation and hunting prevention for better efficiency.

Machine Protection

Details functions for preventing motor stalling, detecting torque, and motor overload.

Automatically Restart

Explains how the inverter can automatically restart after a momentary power loss or transient error.

Inverter Protection

Covers inverter overheat protection, input phase loss detection, and ground fault protection.

Input Terminal Functions

Explains the functions of various input terminals for controlling the inverter.

Output Terminal Functions

Describes the functions of the digital multifunction output terminals.

Monitor Constants

Details the constants used for monitoring analog and pulse outputs.

Individual Functions

Covers functions like MEMOBUS communications and the timer function.

Digital Operator Functions

Explains the various functions and settings accessible via the Digital Operator.

Troubleshooting

Protective and Diagnostic Functions

Details alarm functions, fault detection, operation errors, and autotuning errors.

Troubleshooting

Provides guidance on identifying and resolving common issues like constant setting errors or motor operation problems.

Maintenance and Inspection

Maintenance and Inspection

Outlines the schedule and procedures for routine maintenance and inspection.

Outline of Maintenance

Defines the maintenance period and general guidelines for upkeep.

Daily Inspection

Lists key items to check during daily system operation.

Periodic Inspection

Details items to check during periodic maintenance, emphasizing safety precautions.

Periodic Maintenance of Parts

Lists parts requiring maintenance based on their service life and usage conditions.

Cooling Fan Replacement Outline

Provides instructions for replacing cooling fans in different inverter models.

Removing and Mounting the Control Circuit Terminal Card

Guides users on removing and mounting the control circuit terminal card.

Specifications

Standard Inverter Specifications

Lists the standard technical specifications of the inverter.

Specifications by Model

Provides detailed specifications categorized by specific inverter models.

Appendix

Inverter Application Precautions

Offers precautions for selecting and installing the inverter.

Motor Application Precautions

Lists precautions to consider when using the inverter with standard or special motors.

User Constants

Provides a reference list of user constants available in the inverter.