Inovance MD520 Series Installation instructions

‑1‑

Preface

About This Guide

The MD520 series AC drive is a general‑purpose high‑performance current vector

control AC drive. It is designed to control and regulate the speed and torque of three‑

phase AC asynchronous motors and permanent magnet synchronous motors. It can

be used to drive textile machines, paper making machines, wire drawing machines,

machine tools, packaging machines, food machines, fans, water pumps, and other

automated production equipment.

This guide describes the composition, technical specifications, components,

dimensions, options (including mounting accessories, cables, and peripheral

electrical devices), expansion cards, routine maintenance and repair, certifications,

and standards of the AC drive.

More Documents

Document Name Data No. Description

MD520 Series General‑

Purpose AC Drive Quick

Installation and

Commissioning Guide

19011712

This guide describes the installation, wiring,

commissioning, troubleshooting,

parameters, and fault codes of the AC drive.

MD520 Series General‑

Purpose AC Drive Hardware

Guide

19011713

This guide describes the composition,

technical specifications, components,

dimensions, options (including installation

accessories, cables, and peripheral

electrical components), and expansion

cards of the MD520 series AC drive, routine

maintenance and repair, certifications, and

standards of the AC drive.

MD520 Series General‑

Purpose AC Drive

Installation Guide

19011714

This guide describes the installation

dimensions, space design, specific

installation steps, wiring requirements,

routing requirements, option installation

requirements, and troubleshooting of

common EMC‑related problems.

MD520 Series General‑

Purpose AC Drive

Commissioning Guide

19011715

This guide describes the commissioning

tools, commissioning flows, and specific

commissioning steps, as well as

troubleshooting, fault codes, and

parameters related to the AC drive.

MD520 Series General‑

Purpose AC Drive

Communication Guide

19011716

This guide describes the communication

mode, communication networking, and

communication configuration of the AC

drive.

MD520 Series General‑

Purpose AC Drive Function

Guide

19011717

This guide describes function applications,

communication, fault codes, and

parameters of the AC drive.

‑2‑

Preface

Revision History

Date Version Description

January 2022 A00 First release.

How to Obtain

This guide is not delivered with the product. You can obtain the PDF version by the

following method:

and then download the PDF file.

TTaabbllee ooff CCoonntteennttss

Preface.............................................................................. 1

Product Model List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Fundamental Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1 Product Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.1 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.2 Nameplate and Model Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2 Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.2 Components of T1 to T6 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.3 Components of T7 to T9 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.4 Components of T10 to T12 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3 System Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.1 System Connection Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.2 Electrical Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

3.3 Main Circuit Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.4 Control Circuit Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

4 Dimension Drawings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

4.1 Dimensions of T1 to T9 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

4.2 Dimensions of T10 to T12 Models (Without AC Output Reactor) . . . . . . . . . . . . . . . . . . 34

4.3 Dimensions of T10 to T12 Models (with AC Output Reactor). . . . . . . . . . . . . . . . . . . . . . 35

5 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

5.1 List of Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

5.2 Mounting Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

5.2.1 Through‑Hole Mounting Bracket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

5.2.2 Bottom Mounting Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

5.2.3 Guide Rail. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

5.2.4 Installing the UVW Output Copper Busbar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

5.3 Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

5.3.1 Main Circuit Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

5.3.2 Selection of Control Circuit Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

5.4 Peripheral Electrical Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

5.4.1 Fuse, Contactor, and Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

5.4.2 AC Input Reactor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

5.4.3 EMC filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

5.4.4 Simple Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Table of Contents

‑4‑

5.4.5 Braking Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

5.4.6 AFE Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

5.4.7 Output Reactor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

5.4.8 Magnetic Ring and Ferrite Clamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

5.5 Operating Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

6 Expansion Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

6.1 List of Expansion Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

6.2 Installing the Expansion Card. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

7 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

7.1 Electrical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

7.2 Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

8 Routine Maintenance and Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

8.1 Routine Inspection Items. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

8.1.1 Daily Inspection Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

8.1.2 List of Periodic Inspection Items. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137

8.2 Main Circuit Insulation Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

8.3 Replacing Quick‑Wear Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

8.3.1 Service Life of Quick‑Wear Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

8.3.2 Replacing the Cooling Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

8.3.3 Replacing the Filter Electrolytic Capacitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

8.4 Storage and Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

9 Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

9.1 Compliance List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

9.2 CE Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

9.2.1 Introduction to CE Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

9.2.2 Requirement for Compliance with EMC Directive . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

9.2.3 Requirements for Compliance with the LVD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

9.3 UL or cUL Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

9.4 KCC Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

Table of Contents

‑5‑

Product Model List

The following table lists mapping between the product model and structure.

Table –1 Mapping between product model and structure

Structure Model (Three Phase 380–480 V) Model (Three Phase 200–240

Model (Single Phase 200‑240

T1 MD520‑4T0.4B(S)

MD520‑4T0.7B(S)

MD520‑4T1.1B(S)

MD520‑4T1.5B(S)

MD520‑4T2.2B(S)

MD520‑4T3.0B(S)

MD520‑2T0.4B(S)

MD520‑2T0.7B(S)

MD520‑2T1.1B(S)

MD520‑2T1.5B(S)

‑

T2 MD520‑4T3.7B(S)

MD520‑4T5.5B(S)

MD520‑2T2.2B(S)

MD520‑2T3.7B(S)

MD520‑2S0.4B(S)

MD520‑2S0.7B(S)

MD520‑2S1.5B(S)

MD520‑2S2.2B(S)

T3 MD520‑4T7.5B(S)

MD520‑4T11B(S)

MD520‑2T5.5B(S) ‑

T4 MD520‑4T15B(S) MD520‑2T7.5B(S) ‑

T5 MD520‑4T18.5(B)(S)(‑T)

MD520‑4T22(B)(S)(‑T)

MD520‑2T11(B)(S)(‑T) ‑

T6 MD520‑4T30(B)(S)

MD520‑4T37(B)(S)

MD520‑2T15(B)(S)

MD520‑2T18.5(B)(S)

‑

T7 MD520‑4T45(B)(S)

MD520‑4T55(B)(S)

MD520‑2T22(B)(S)

MD520‑2T30(B)(S)

‑

T8 MD520‑4T75(B)(S)

MD520‑4T90(S)

MD520‑4T110(S)

MD520‑2T37(B)(S)

MD520‑2T45(S)

MD520‑2T55(S)

‑

T9 MD520‑4T132(S)

MD520‑4T160(S)

MD520‑2T75(S) ‑

T10 MD520‑4T200(S)(‑L)

MD520‑4T220(S)(‑L)

MD520‑2T90(S)

MD520‑2T110(S)

‑

T11 MD520‑4T250(S)(‑L)

MD520‑4T280(S)(‑L)

MD520‑2T132(S) ‑

T12 MD520‑4T315(S)(‑L)

MD520‑4T355(S)(‑L)

MD520‑4T400(S)(‑L)

MD520‑2T160(S)

MD520‑2T200(S)

‑

Note:

●(B): with the braking unit

●(S): with the safe torque off (STO) function

●(‑T): with the DC reactor

●(‑L): with the AC output reactor

‑6‑

Fundamental Safety Instructions

Safety Precautions

1. This chapter presents essential safety instructions for a proper use of the

equipment. Before operating the equipment, read through the guide and

comprehend all the safety instructions. Failure to comply with the safety

instructions may result in death, severe personal injuries, or equipment damage.

2. "CAUTION", "WARNING", and "DANGER" items in the guide only indicate some of

the precautions that need to be followed; they just supplement the safety

precautions.

3. Use this equipment according to the designated environment requirements.

Damage caused by improper use is not covered by warranty.

4. Inovance shall take no responsibility for any personal injuries or property damage

caused by improper use.

Safety Levels and Definitions

Indicates that failure to comply with the notice will result in death

or severe personal injuries.

Indicates that failure to comply with the notice may result in death

or severe personal injuries.

Indicates that failure to comply with the notice may result in minor

or moderate personal injuries or equipment damage.

General Safety Instructions

●Drawings in the guide are sometimes shown without covers or protective guards.

Remember to install the covers or protective guards as specified first, and then

perform operations in accordance with the instructions.

●The drawings in the guide are shown for illustration only and may be different

from the product you purchased.

Unpacking

●Do not install the equipment if you find damage, rust, or signs of use on the equipment

or accessories upon unpacking.

●Do not install the equipment if you find water seepage or missing or damaged

components upon unpacking.

●Do not install the equipment if you find the packing list does not conform to the

equipment you received.

‑7‑

Fundamental Safety Instructions

●Check whether the packing is intact and whether there is damage, water seepage,

dampness, and deformation before unpacking.

●Unpack the package by following the unpacking sequence. Do not strike the package

violently.

●Check whether there is damage, rust, or injuries on the surface of the equipment and

equipment accessories before unpacking.

●Check whether the package contents are consistent with the packing list before

unpacking.

Storage and Transportation

●Large‑scale or heavy equipment must be transported by qualified professionals using

specialized hoisting equipment. Failure to comply may result in personal injuries or

equipment damage.

●Before hoisting the equipment, ensure the equipment components such as the front

cover and terminal blocks are secured firmly with screws. Loosely‑connected

components may fall off and result in personal injuries or equipment damage.

●Never stand or stay below the equipment when the equipment is being hoisted by the

hoisting equipment.

●When hoisting the equipment with a steel rope, ensure the equipment is hoisted at a

constant speed without suffering from vibration or shock. Do not turn the equipment

over or let the equipment stay hanging in the air. Failure to comply may result in

personal injuries or equipment damage.

●Handle the equipment with care during transportation and mind your steps to prevent

personal injuries or equipment damage.

●When carrying the equipment with bare hands, hold the equipment casing firmly with

care to prevent parts from falling. Failure to comply may result in personal injuries.

●Store and transport the equipment based on the storage and transportation

requirements. Failure to comply will result in equipment damage.

●Avoid storing or transporting the equipment in environments with water splash, rain,

direct sunlight, strong electric field, strong magnetic field, and strong vibration.

●Avoid storing the equipment for more than three months. Long‑term storage requires

stricter protection and necessary inspections.

●Pack the equipment strictly before transportation. Use a sealed box for long‑distance

transportation.

●Never transport the equipment with other equipment or materials that may harm or

have negative impacts on this equipment.

Installation

●The equipment must be operated only by professionals with electrical knowledge.

‑8‑

Fundamental Safety Instructions

●Read through the guide and safety instructions before installation.

●Do not install this equipment in places with strong electric or magnetic fields.

●Before installation, check that the mechanical strength of the installation site can bear

the weight of the equipment. Failure to comply will result in mechanical hazards.

●Do not wear loose clothes or accessories during installation. Failure to comply may

result in an electric shock.

●When installing the equipment in a closed environment (such as a cabinet or casing),

use a cooling device (such as a fan or air conditioner) to cool the environment down to

the required temperature. Failure to comply may result in equipment over‑temperature

or a fire.

●Do not retrofit the equipment.

●Do not fiddle with the bolts used to fix equipment components or the bolts marked in

red.

●When the equipment is installed in a cabinet or final assembly, a fireproof enclosure

providing both electrical and mechanical protections must be provided. The IP rating

must meet IEC standards and local laws and regulations.

●Before installing devices with strong electromagnetic interference, such as a

transformer, install a shielding device for the equipment to prevent malfunction.

●Install the equipment onto an incombustible object such as a metal. Keep the

equipment away from combustible objects. Failure to comply will result in a fire.

●Cover the top of the equipment with a piece of cloth or paper during installation. This is

to prevent unwanted objects such as metal chippings, oil, and water from falling into the

equipment and causing faults. After installation, remove the cloth or paper on the top of

the equipment to prevent over‑temperature caused by poor ventilation due to blocked

ventilation holes.

●Resonance may occur when the equipment operating at a constant speed executes

variable speed operations. In this case, install the vibration‑proof rubber under the

motor frame or use the vibration suppression function to reduce resonance.

Wiring

●Equipment installation, wiring, maintenance, inspection, or parts replacement must be

performed only by professionals.

●Before wiring, cut off all the power supplies of the equipment, and wait for at least the

time designated on the equipment warning label before further operations because

residual voltage still exists after power‑off. After waiting for the designated time,

measure the DC voltage in the main circuit to ensure the DC voltage is within the safe

voltage range. Failure to comply will result in an electric shock.

●Do not perform wiring, remove the equipment cover, or touch the circuit board with

power ON. Failure to comply will result in an electric shock.

●Check that the equipment is grounded properly. Failure to comply will result in an

electric shock.

‑9‑

Fundamental Safety Instructions

●Do not connect the input power supply to the output end of the equipment. Failure to

comply will result in equipment damage or even a fire.

●When connecting a drive to the motor, check that the phase sequences of the drive and

motor terminals are consistent to prevent reverse motor rotation.

●Cables used for wiring must meet cross sectional area and shielding requirements. The

shield of the cable must be reliably grounded at one end.

●Fix the terminal screws with the tightening torque specified in the user guide. Improper

tightening torque may overheat or damage the connecting part, resulting in a fire.

●After wiring is done, check that all cables are connected properly and no screws,

washers or exposed cables are left inside the equipment. Failure to comply may result in

an electric shock or equipment damage.

●During wiring, follow the proper electrostatic discharge (ESD) procedure, and wear an

antistatic wrist strap. Failure to comply will damage the equipment or the internal

circuits of the equipment.

●Use shielded twisted pairs for the control circuit. Connect the shield to the grounding

terminal of the equipment for grounding purpose. Failure to comply will result in

equipment malfunction.

Power-on

●Before power‑on, check that the equipment is installed properly with reliable wiring and

the motor can be restarted.

●Check that the power supply meets equipment requirements before power‑on to

prevent equipment damage or a fire.

●After power‑on, do not open the cabinet door or protective cover of the equipment,

touch any terminal, or disassemble any unit or component of the equipment. Failure to

comply will result in an electric shock.

●Perform a trial run after wiring and parameter setting to ensure the equipment operates

safely. Failure to comply may result in personal injuries or equipment damage.

●Before power‑on, check that the rated voltage of the equipment is consistent with that

of the power supply. Failure to comply may result in a fire.

●Before power‑on, check that no one is near the equipment, motor, or machine. Failure

to comply may result in death or personal injuries.

Operation

●The equipment must be operated only by professionals. Failure to comply will result in

death or personal injuries.

●Do not touch any connecting terminals or disassemble any unit or component of the

equipment during operation. Failure to comply will result in an electric shock.

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