Inovance MD500 User Manual

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User Guide

MD500 AC Drive

A03

Suzhou lnovance Technology Co., Ltd.

Address: No.16, Youxiang Road, Yuexi Town,

Wuzhong District, Suzhou 215104, P.R.China

http: //www.inovance.cn

MD500 AC Drive High Performance Open and Closed Loop User Guide

Data Code: 19010374

High Performance

Open and Closed Loop

Table of Contents

Questions and Answers:

H
Heather RodriguezAug 31, 2025
What to do if Inovance Controller detects overvoltage when heavy load is suddenly removed?
- R
  Rebecca ClarkAug 31, 2025
  If the Inovance Controller detects overvoltage when a heavy load is suddenly removed or during deceleration, first ensure that F3-23 (overvoltage stall enable) is enabled. If the issue persists, gradually increase the setting of F3-24/F3-25 (overvoltage stall gain, default is 30) by 10, up to a maximum of 100. Alternatively, you can gradually decrease the setting of F3-22 (overvoltage stall actuating voltage, default is 770V) by 10 V, down to a minimum of 700 V.
J
James BlairAug 30, 2025
How to fix motor oscillation during running with Inovance Controller?
- J
  John SchmittAug 30, 2025
  To address motor oscillation during running with the Inovance Controller, gradually increase the setting of F3-11 (V/F oscillation suppression gain) by 10. The maximum permissible setting is 100.
J
Jeff GoodAug 29, 2025
Why is there a very large current during running with the Inovance MD500?
- A
  amy71Aug 29, 2025
  If you're experiencing a very large current during running with your Inovance Controller, ensure that the rated motor voltage (F1-02) and rated motor frequency (F1-04) are set correctly. Also, gradually decrease the setting of F3-01 (torque boost) by 0.5%.
J
Joshua OconnorAug 27, 2025
What to do if Inovance MD500 Controller detects overload or overcurrent during motor start?
- K
  Karen JamesAug 27, 2025
  If your Inovance Controller detects an overload or overcurrent fault during motor start, set F1-27, F1-28 and F1-30 correctly.
B
Brian JonesAug 27, 2025
What to do if Inovance MD500 Controller shows motor overload?
- E
  Ethan NunezAug 27, 2025
  If the Inovance Controller indicates a motor overload, it might be because the load is too heavy, or the motor has a locked rotor. Try reducing the load or inspecting the motor and mechanical components. If the issue persists, consider using a drive with a larger power class.
J
Julie NormanAug 25, 2025
What causes IGBT overheat in Inovance Controller and how to fix it?
- G
  Gregory SandovalAug 26, 2025
  IGBT overheat in your Inovance Controller can be caused by several factors. The ambient temperature may be too high, so lower it. Other potential solutions include cleaning the ventilation, replacing the cooling fan if it's damaged, replacing the damaged thermally sensitive resistor, or as a last resort, replacing the AC Drive IGBT.
E
Erin CainAug 23, 2025
What to do if Inovance MD500 detects overload or overcurrent during motor running?
- C
  Casey MaxwellAug 25, 2025
  If your Inovance Controller is showing an overload or overcurrent during motor running, set the motor parameters F1-01 to F1-05 according to the motor nameplate. Also, select a proper motor auto-tuning mode by setting F1-37 and perform motor auto-tuning. If possible, select dynamic auto-tuning.

Inovance MD500 Specifications

General

Brand	Inovance
Model	MD500
Category	Controller
Language	English

Summary

Safety Information

Safety Precautions

General safety guidelines for installation, operation, and maintenance.

Safety Grade and Definition

During Installation

Safety warnings and precautions specifically for installation.

During Wiring

Safety warnings and precautions related to wiring the AC drive.

During Power-on

Safety warnings and precautions for powering on the AC drive.

During Running

Safety warnings and precautions when the AC drive is in operation.

During Maintenance

Safety warnings and precautions for maintenance activities.

During Repair

Safety warnings and precautions related to repairing the AC drive.

Safety Marks

System Connection

MD500 System Connection Diagram

Shows a schematic diagram of the AC drive and its peripheral devices.

MD500 Series System Composition

Installation and Wiring

Installation

Covers general installation requirements and procedures for the AC drive.

Mounting Clearance and Orientation

Specifies required clearance and orientation for mounting the drive.

Mounting in Cabinet

Details installation requirements for mounting the drive inside a cabinet.

Wiring

Details the wiring procedures and diagrams for the AC drive.

Functions of Main Circuit Terminals and Precautions

Explains the functions of main circuit terminals and associated precautions.

Control Circuit Terminal Arrangement

Details the arrangement and functions of control circuit terminals.

Panel Operation

LED Operating Panel

Details the features and operation of the LED-type programming panel.

Indicators on LED Operating Panel

Keys on LED Operating Panel

View and Modify Function Parameters

Explains the procedure for navigating and modifying function parameters.

View Function Parameters

Describes different modes for viewing function parameters and how to switch.

View status parameters

External LCD Operating Panel

Describes the appearance and features of the optional external LCD operating panel.

Basic Operations and Trial Run

Quick Commissioning Guide

Step-by-step guide for initial setup and trial run of the AC drive.

Commissioning Flowchart

Outlines the overall commissioning process in a flowchart format.

Checklist Before Power-on

A checklist of items to verify before powering on the AC drive.

Parameter Initialization

Motor Control

Details the different motor control modes available (SVC, FVC, V/F).

Start/Stop running command

Describes methods for controlling the start and stop operations of the drive.

Start/Stop DI

Start/Stop via Communication

Start the AC Drive

Explains different start modes for the AC drive.

Start Mode

View Running Status

Auto-tuning

Explains the motor auto-tuning methods for obtaining motor parameters.

Troubleshooting and Solutions

Safety Information

Safety precautions specifically related to troubleshooting and maintenance.

Troubleshooting During Trial Run

Common problems and solutions encountered during the trial run phase.

Fault Display

Explains how faults are displayed and provides general solutions.

Resetting Fault

Details the methods for resetting faults on the AC drive.

Faults and Diagnostics

Lists common faults, their causes, and possible solutions.

Symptoms and Diagnostics

Describes common symptoms and provides diagnostic steps for troubleshooting.

Routine Inspection and Maintenance

Routine Inspection

General guidelines and safety precautions for routine inspection.

Routine Inspection Items

Periodic Inspection

Insulation Test on Main Circuit

Replacement of Wear Parts

Replacement of Fans

Definition of Communication Data Address and Modbus Communication Protocol

Definition of Communication Data Address

Parameter Data

Non-parameter Data

Modbus Communication Protocol

Data Format

Rules for Parameter Address Marking

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