Inovance MD520 Series Installation Manual
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Inovance MD520 Series Installation Manual

General-purpose ac drive
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Summary of Contents for Inovance MD520 Series

  • Page 2: Preface

    This guide describes the composition, technical specifications, components, dimensions, options (including mounting accessories, cables, and peripheral electrical components), and extension cards of the MD520 series AC drive, as well as routine inspection and maintenance, compliance, and standards of the AC drive.
  • Page 3 This guide is not delivered with the AC drive, but an electronic PDF version is available. To obtain it, www.inovance.com log in to the official website of Inovance ( ), choose Support > Download, search by keywords and download the file.

  • Page 4: Table Of Contents

    Table of Contents T T a a b b l l e e o o f f C C o o n n t t e e n n t t s s Preface ................1 Product Model List .
  • Page 5 Table of Contents 4.3 Pre‑installation Precautions ..........62 4.4 Backplate Mounting .
  • Page 6 Table of Contents 7.6.4 PROFINET............140 7.7 Inspection After Wiring.

  • Page 7: Product Model List

    Product Model List 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 MD520‑4T0.4B(S) MD520‑2T0.4B(S) ‑...

  • Page 8: Safety Precautions

    ● Malfunction or damage caused by improper use is not covered by warranty. Inovance shall not be held liable for any safety accident or property loss caused by ● noncompliance with this guide or improper use of the AC drive.
  • Page 9 Safety Precautions Before unpacking, check the package for damage, water seepage, damp, and ● deformation. Unpack the package by following the unpacking sequence. Do not strike the package ● with force. When unpacking, check the surface of the product and accessories for damage, rust, and ●...
  • Page 10 Safety Precautions Read through the safety precautions and user guide before installation. ● Do not install the product in places with strong electric or magnetic fields. ● Before installation, make sure that the installation position is mechanically strong ● enough to bear the weight of the product. Failure to comply may result in mechanical hazards.
  • Page 11 Safety Precautions Never connect the input power cable to output terminals of the product or equipment. ● Failure to comply may result in damage to equipment or even a fire. When connecting a drive with a motor, ensure consistency of terminal phase sequences ●...
  • Page 12 Safety Precautions Do not touch the housing, fan, or resistor of the equipment to check temperature. ● Failure to comply may result in burns. During operation, prevent metal and other foreign objects from falling into the ● equipment. Failure to comply may result in fire or damage to the product. Maintenance Never allow non‑qualified personnel to install, wire, inspect or maintain the equipment ●...
  • Page 13 Safety Precautions Disposal Dispose of retired equipment in accordance with local regulations and standards. ● Failure to comply may result in property damage, injury, or even death. Recycle retired equipment in accordance with waste disposal standards of the industry ● to avoid environmental pollution.

  • Page 14: Preparations For Installation

    Preparations for Installation Preparations for Installation Flowcharts T1 to T9 models Figure 1‑1 General installation process (T1 to T9 models) ‑13‑...
  • Page 15 Preparations for Installation T10 to T12 models Figure 1‑2 General installation process (T10 to T12 models) ‑ ‑...

  • Page 16: Site Inspection

    ● 100 m. 0.4–3 kW: The maximum altitude is 2000 m. For altitudes above 2000 m, contact Inovance. Above 3 kW: The maximum altitude is 3000 m. For altitudes above 3000 m, contact Inovance. Vibration resistance For transportation with packages: compliant with Class 2M3 ●...

  • Page 17: Clearance

    Preparations for Installation 1.2.2 Clearance Reserve sufficient clearance as appropriate to the power rating of the AC drive. T1 to T9 models Installing one alone ● Figure 1‑3 Clearance for installation of one AC drive (T1 to T9 models) Table 1–2 Installation clearance Power Rating Clearance (mm) 0.4 kW to 15 kW...
  • Page 18 Preparations for Installation Figure 1‑4 Installing multiple AC drives (T1 to T9 models) side by side Table 1–3 Installation clearance Power Rating Clearance (mm) 0.4 kW to 15 kW A1 ≥ 10 18.5 kW to 22 kW A1 ≥ 10 30 kW to 37 kW A1 ≥...
  • Page 19 Preparations for Installation Figure 1‑5 Installing one above another T10 to T12 models Figure 1‑6 Installation clearance ‑ ‑...

  • Page 20: Direction

    C2 ≥ 20 D2 ≥ 20 Note T10 to T12 models can only be installed individually inside the cabinet. For installation needs, contact Inovance. 1.2.3 Direction " Figure 1–8 " on page 19 Install the AC drive upright only, as shown in Avoid stress on any side of the AC drive or placing it on an inclined surface.

  • Page 21: Environment

    Above 1000 m: derate 1% for every additional 100 m. ● 0.4 kW to 3 kW models: maximum 2000 m. Consult Inovance for use above 2000 m. 3 kW models and above: maximum 3000 m. Consult Inovance for use above 3000 m.

  • Page 22: Tools

    Preparations for Installation Tools 1.3.1 Tools for Mechanical Installation T1 to T9 models " Table 1–6 Tools for mechanical installation " on page 21 lists the tools for mechanical installation. Table 1–6 Tools for mechanical installation Description Tool Electric drill with an appropriate drilling bit Used to drill mounting holes on the mounting surface.

  • Page 23: Tools For Wiring

    Preparations for Installation Table 1–7 Specifications and quantities of screws Installation Method Specification Quantity Description (Pcs) Backplate Mounting Dependent on the Used to fix the AC drive onto mounting hole the wall. diameter (provided by the user). Through‑hole Dependent on the Used to fix the AC drive onto mounting mounting hole...

  • Page 24: Accessories

    Preparations for Installation AC Drive Model Recommended Fastener Tool M8 nut, spring washer, and Socket wrench (#13 socket) flat washer T8 and T9 M12 nut, spring washer, and Socket wrench (#19 socket) flat washer and socket wrench extension bar (150 mm) T10 and T11 M12 bolt, spring washer, and Socket wrench (#19 socket)
  • Page 25 Preparations for Installation Mounting-hole dimensions Figure 1‑9 Dimensions of MD500‑AZJ‑A1T1 through‑hole mounting bracket and holes (mm) ‑ ‑...
  • Page 26 Preparations for Installation Figure 1‑10 Dimensions of MD500‑AZJ‑A1T2 through‑hole mounting bracket and holes (mm) ‑25‑...
  • Page 27 Preparations for Installation Figure 1‑11 Dimensions of MD500‑AZJ‑A1T3 through‑hole mounting bracket and holes (mm) ‑ ‑...
  • Page 28 Preparations for Installation Figure 1‑12 Dimensions of MD500‑AZJ‑A1T4 through‑hole mounting bracket and holes (mm) ‑27‑...
  • Page 29 Preparations for Installation Figure 1‑13 Dimensions of MD500‑AZJ‑A1T5 through‑hole mounting bracket and holes (mm) ‑ ‑...
  • Page 30 Preparations for Installation Figure 1‑14 Dimensions of MD500‑AZJ‑A1T6 through‑hole mounting bracket and holes (mm) ‑29‑...
  • Page 31 Preparations for Installation 4-M8 Figure 1‑15 Dimensions of MD500‑AZJ‑A1T7 through‑hole mounting bracket and holes (mm) ‑ ‑...
  • Page 32 Preparations for Installation Figure 1‑16 Dimensions of MD500‑AZJ‑A1T8 through‑hole mounting bracket and holes (mm) ‑31‑...

  • Page 33: Grounding Bracket Of Cable Shield

    Preparations for Installation Figure 1‑17 Dimensions of MD500‑AZJ‑A1T9 through‑hole mounting bracket and holes (mm) 1.4.2 Grounding Bracket of Cable Shield The grounding bracket of cable shield is optional and can be purchased separately as required (applicable to T9 models and below). ‑...

  • Page 34: Bottom Mounting Bracket

    Preparations for Installation 1.4.3 Bottom Mounting Bracket T10 to T12 models come with a bottom mounting bracket. When the AC drive is installed in a cabinet, the bottom mounting bracket is required for fixing the AC drive to the cabinet rack base. The dimensions of bottom mounting bracket vary with the power rating, weight, and size of the AC drive, as shown in the following figures.
  • Page 35 Preparations for Installation Figure 1‑19 Dimensions of bottom mounting bracket for T11 models Figure 1‑20 Dimensions of bottom mounting bracket for T12 models ‑ ‑...

  • Page 36: Guide Rail

    Preparations for Installation Note The bottom mounting brackets shown in the preceding figures are applicable to ● PS standard cabinets, sized either Width 800 mm x Depth 600 mm or Width 800 mm x Depth 800 mm. Dimensions in parentheses are applicable to PS standard cabinets sized Width 800 mm x Depth 800 mm.
  • Page 37 Preparations for Installation 3. Remove the six screws on the drive, install the copper busbars, and then fasten the six screws. ‑ ‑...
  • Page 38 Preparations for Installation The following figures shows the installed copper busbar. ‑37‑...

  • Page 39: Overall Dimensions

    Overall Dimensions Overall Dimensions Dimensions of T1 to T9 Models Figure 2‑1 Outline dimensions and mounting dimensions of T1 to T4 models Table 2–1 Outline dimensions and mounting dimensions of T1 to T4 models Mounting Hole Spacing Outline Dimension Mounting mm (in.) mm (in.) Hole...
  • Page 40 Overall Dimensions Figure 2‑2 Outline dimensions and mounting dimensions of T5 to T6 models Table 2–2 Outline dimensions and mounting dimensions of T5 to T6 models Mounting Hole Spacing Outline Dimension Mounting Weight mm (in.) mm (in.) Hole Structure Diameter kg (lb) mm (in.) T5 (without...
  • Page 41 Overall Dimensions Figure 2‑3 Outline dimensions and mounting dimensions of T7 to T9 models Table 2–3 Outline dimensions and mounting dimensions of T7 to T9 models Mounting Hole Spacing Outline Dimension Mounting Weight mm (in.) mm (in.) Hole Structure Diameter kg (lb) mm (in.) 245 (9.7)

  • Page 42: Dimensions Of T10 To T12 Models (Without Ac Output Reactor)

    Overall Dimensions Dimensions of T10 to T12 Models (Without AC Output Reactor) Figure 2‑4 Outline dimensions and mounting dimensions of T10 to T12 models (without AC output reactor) Table 2–4 Outline dimensions and mounting dimensions of T10 to T12 models (without AC output reactor) Mount Hole...

  • Page 43: Dimensions Of T10 To T12 Models (With Ac Output Reactor)

    Overall Dimensions Dimensions of T10 to T12 Models (with AC Output Reactor) Figure 2‑5 Outline dimensions and mounting dimensions of T10 to T12 models (with AC out‑ put reactor) Table 2–5 Outline dimensions and mounting dimensions of T10 to T12 models (with AC output reactor) Mount Hole...

  • Page 44: Unpacking And Transportation

    For long time storage, cover the AC drive or take other appropriate measures to ● keep it from contamination and environmental influences. For storage, pack the AC drive with the original packing box provided by Inovance. ● Avoid exposing the AC drive to moisture, high temperature, or outdoor direct ●...
  • Page 45 Unpacking and Transportation Figure 3‑1 Hoisting the AC drive T9 to T12 models are heavy with a high center of gravity. Therefore, avoid placing ● them on any surface inclining greater than 5 degrees. Place the AC drive on a flat and sturdy floor capable of bearing the weight of the AC drive.

  • Page 46: Package Check

    Upon receiving the AC drive from the transport company, check the items received against the delivery note. Notify the transport company immediately in the case of any missing or damaged items. If necessary, request support from Inovance or your local agent.
  • Page 47 Unpacking and Transportation Packing list for T1 to T6 models ● Figure 3‑3 Packing list for T1 to T6 models Name AC drive Cushion Carton Packing list for T7 to T9 models ● Figure 3‑4 Packing list for T7 to T9 models ‑...
  • Page 48 Unpacking and Transportation Name Cushion Carton AC drive Plywood pallet Honeycomb cardboard Paper corner protector Packing list for T10 to T12 models T10 to T11 models are packed using cartons and plywood pallets. ● T12 models are packed using wooden crates. ●...
  • Page 49 Unpacking and Transportation Name Paper column AC drive Carton Bracket box Wooden pallet Carton User guide Bracket Plastic bag Corrugated cardboard Packing list for T11 model ● Figure 3‑6 Packing list for T11 model Name Packing belt Paper corner protector Honeycomb cardboard ‑...
  • Page 50 Unpacking and Transportation Name Corrugated cardboard 9 mm board Paper column AC drive Paper column Wooden pallet Carton Bracket box Carton User guide Bracket Plastic bag Corrugated cardboard Packing list for T12 model ● Figure 3‑7 Packing list for T12 model Name Cover Corrugated cardboard...

  • Page 51: Unpacking

    Unpacking and Transportation Name Carton User guide Bracket Plastic bag Corrugated cardboard Unpacking T1 to T12 models Related documents and accessories are placed in different partitions in the crate. To unpack, follow these steps: 1. Remove all ties and the cover of the crate. 2.
  • Page 52 Unpacking and Transportation Before vertical hoisting, make sure that all components of the AC drive, including ● the upper access cover and terminals, are fastened with screws. Failure to comply may result in fall‑off of the AC drive, causing injury. When hoisting the AC drive with a sling, protect the AC drive from excessive ●...
  • Page 53 Unpacking and Transportation Ensure that there is no stress on the positive and negative bus terminals. Figure 3‑9 Hoisting T10 to T12 models 2. Hook the sling to the hoisting lugs diagonally placed at the top of the AC drive, slowly put the AC drive upright for installation in the cabinet.

  • Page 54: Mechanical Installation (T1 To T9 Models)

    Mechanical Installation (T1 to T9 Models) Mechanical Installation (T1 to T9 Models) Installation Method T1 to T9 models support backplate mounting and through‑hole mounting. Cabinet Design 4.2.1 Overview Before installing the AC drive in the cabinet, design the cabinet to ensure sufficient clearances for installation and heat dissipation.

  • Page 55: Mounting Backplate

    Mechanical Installation (T1 to T9 Models) Figure 4‑1 Minimum space for installing AC drives one above another Note Observe the ventilation direction when installing the fan to ensure smooth discharge of hot air. Failure to comply may cause failure in hot air exhaust, and over‑temperature or damage to the AC drive.

  • Page 56: Cabinet Heat Dissipation

    Mechanical Installation (T1 to T9 Models) Figure 4‑2 Welding a lateral reinforcing beam on the back of the backplate Preparation of mounting holes Prepare mounting holes at the same time with backplate processing. For ● dimensions of the mounting holes, see "Overall Dimensions". To avoid damage to the AC drive during transportation, in addition to fixing ●...
  • Page 57 Mechanical Installation (T1 to T9 Models) Figure 4‑3 Position of the cabinet air inlet For a cabinet containing multiple AC drives, blowing air into the cabinet using a fan may disorder the air distribution in the cabinet, affecting the overall cooling effect. Therefore, do not install any fan at the cabinet air inlet.
  • Page 58 Mechanical Installation (T1 to T9 Models) " Table 4–2 Minimum effective area of the cabinet air inlet " on page 56 applies to situations where only one AC drive is mounted in the cabinet. For a cabinet containing multiple AC drives, calculate the total effective inlet area by summing each single effective area based on the table.
  • Page 59 Mechanical Installation (T1 to T9 Models) Figure 4‑4 Backflow of hot air in a self‑ventilated cabinet (without an insulating device) To prevent backflow of hot air, use an insulating device in the self‑ventilated cabinet. An insulating device may be a plate or an exhaust duct. Figure 4‑5 Backflow of hot air in a self‑ventilated cabinet (with an insulating device) Air near the air outlet of the AC drive features a higher temperature and lower density than that near the cabinet air inlet.
  • Page 60 Mechanical Installation (T1 to T9 Models) Table 4–3 Minimum effective area of air outlet on a self‑ventilated cabinet AC Drive Min. Effective Area of Air Outlet on a Self‑ ventilated Cabinet (cm T3 (7.5 kW) T3 (11 kW) T6 and T7 "...
  • Page 61 Mechanical Installation (T1 to T9 Models) AC Drive Power Rating Cooling Air Flow (CFM) 30 kW 37 kW 45 kW to 55 kW 75 kW to 90 kW 110 kW 132 kW 160 kW Note: 1 CFM = 0.02832 m /min Design of the cabinet fan To select a cabinet fan, follow these steps:...
  • Page 62 Mechanical Installation (T1 to T9 Models) Figure 4‑6 Q of a system fan Figure 4‑7 Cabinet ventilation system ‑61‑...

  • Page 63: Pre-Installation Precautions

    Mechanical Installation (T1 to T9 Models) Note When installing the fan, ensure a proper direction and smooth flow of hot air. ● Failure to comply may cause accumulation of hot air, leading to over‑temperature or damage to the AC drive. Ensure a distance of at least 200 mm between the top vent and the fan outlet to ●...
  • Page 64 Mechanical Installation (T1 to T9 Models) Figure 4‑8 Backplate mounting (T1 to T6 models) Figure 4‑9 Backplate mounting (T7 to T9 models) ‑63‑...

  • Page 65: Through-Hole Mounting

    Mechanical Installation (T1 to T9 Models) Through-Hole Mounting T1 to T6 models 1. Frame the AC drive with the bracket and tighten the bracket fixing screws on both sides of the AC drive. The following figure shows an AC drive with a bracket mounted. 2.
  • Page 66 Mechanical Installation (T1 to T9 Models) The following figure shows an AC drive that is through‑hole mounted. T7 to T9 models 1. Fasten brackets from the two sides of the AC drive. The following figure shows an AC drive with brackets mounted. ‑65‑...
  • Page 67 Mechanical Installation (T1 to T9 Models) 2. Fasten the AC drive onto the backplate of the control cabinet from the front of the control cabinet. The following figure shows an AC drive that is through‑hole mounted. ‑ ‑...

  • Page 68: Removing And Installing The Cover

    Mechanical Installation (T1 to T9 Models) Removing and Installing the Cover 4.6.1 Removing the Cover For wiring of the control circuit, remove the cover of the AC drive before connecting any jumper, PG card, or functional extension card. To remove the cover, hold it with both hands and lift up its lower part.
  • Page 69 Mechanical Installation (T1 to T9 Models) Figure 4‑10 Position of the control board 1. T1 to T6 models a. Use an appropriate tool to eject the cover hooks on both sides to the inside. b. Hold the cover with both hands, lift up the lower part of the cover (as shown in ①), push the cover upward, and lift up the upper part of the cover (as shown in ②).
  • Page 70 Mechanical Installation (T1 to T9 Models) The following figure shows an AC drive with its cover removed. 2. T7 to T9 models a. Use a screwdriver to unscrew the four fixing screws of the cover. ‑69‑...

  • Page 71: Installing The Cover

    Mechanical Installation (T1 to T9 Models) b. Hold the cover with both hands, and pull it in the arrow direction to remove it. 4.6.2 Installing the Cover The cover of the AC drive must be removed before wiring the main circuit and control circuit.
  • Page 72 Mechanical Installation (T1 to T9 Models) b. Align the cover, and then press the lower edge in the arrow direction. 2. T7 to T9 models a. Hold the cover with both hands, align its upper edge with the upper edge snap‑ fit joint on the chassis, and snap them together, as shown in the following figure.

  • Page 73: Installing The Grounding Bracket Of Cable Shield

    Mechanical Installation (T1 to T9 Models) b. Drive four fixing screws into the mounting holes with a screwdriver. Installing the Grounding Bracket of Cable Shield The grounding bracket of cable shield is optional and can be purchased separately (applicable to T9 models and below). ‑...
  • Page 74 Mechanical Installation (T1 to T9 Models) Installation Table 4–5 Procedure of installing the grounding bracket of cable shield Step Description Diagram Remove the cover, as shown in ①. Remove the two M4x12 SEMS screws from the end plate of the inlet, as shown in ②.
  • Page 75 Mechanical Installation (T1 to T9 Models) Step Description Diagram Tighten two M4x12 SEMS screws onto the two positions shown in ④. Put back the cover. Wiring Use shielded cables for motor output. Use a grounding bracket of cable shield to achieve all‑round connection with the shield, and crimp the drain wire of the shield to the PE terminal.
  • Page 76 Mechanical Installation (T1 to T9 Models) Figure 4‑11 Wiring of the cable shield ‑75‑...

  • Page 77: Mechanical Installation (T10 To T12 Models)

    Mechanical Installation (T10 to T12 Models) Mechanical Installation (T10 to T12 Models) Installation Method T10 to T12 models can be installed in a cabinet. Pre-installation Precautions Before installing the AC drive, install the bottom mounting bracket and guide rails ● on the cabinet, and prepare fixing beams with mounting holes for retaining the AC drive.

  • Page 78: Heat Dissipation

    Mechanical Installation (T10 to T12 Models) Keep combustible and explosive materials away from the AC drive. ● Heat Dissipation Consider the space for heat dissipation for installation of T9 to T12 models in a cabinet. A self‑ventilated cabinet has no fan on the top. Figure 5‑1 Self‑ventilated cabinet Table 5–1 Parameters of a self‑ventilated cabinet Model...
  • Page 79 Mechanical Installation (T10 to T12 Models) Model Quantity of Fans Total Airflow Effective Area of Effective Area of (CFM) Cabinet Air Inlet Cabinet Air Outlet (mm 47713 76341 T11 (250 kW) 47713 76341 T11 (280 kW) 47713 76341 T12 (315 kW) 47713 76341 T12 (355 kW)
  • Page 80 Mechanical Installation (T10 to T12 Models) Figure 5‑2 Force‑ventilated cabinet (with top‑mounted fans) ‑79‑...
  • Page 81 Mechanical Installation (T10 to T12 Models) Table 5–2 Parameters of a force‑ventilated cabinet with top‑mounted fans Model Quantity of Fans Total Airflow Effective Area of Max. Airflow of Effective Area of (CFM) Cabinet Air Inlet Fans (CFM) Cabinet Air Outlet T9 (132 kW) 31809 S = 0.942 x N x...

  • Page 82: Installation In A Cabinet

    Mechanical Installation (T10 to T12 Models) Figure 5‑4 Recommended cabinet layout for T12 models Installation in a Cabinet C C o o n n t t e e x x t t Use a nine‑fold profile cabinet (PS cabinet) to contain the AC drive. Nine‑fold profile cabinets employ assembled frames and therefore save the cost.
  • Page 83 Mechanical Installation (T10 to T12 Models) Figure 5‑5 Top view of a cabinet for T11 and T12 models To install a T11 or T12 model in a nine‑fold profile cabinet 600 mm in depth, fold the back mounting plate inward, as shown in "...
  • Page 84 Mechanical Installation (T10 to T12 Models) Figure 5‑7 Installing the bottom mounting bracket Drill holes for the mounting bracket and assemble the bracket on site if the cabinet is not a nine‑fold profile one. 3. Assemble the guide rails (model: MD500‑AZJ‑A3T10) and mount them on the cabinet.
  • Page 85 Mechanical Installation (T10 to T12 Models) Figure 5‑9 Mounting the guide rails on the cabinet 4. Remove the cover from the AC drive. For details about how to remove the cover, see "Removing the Cover". Remove the cover to access the auxiliary handle on the AC drive. 5.
  • Page 86 Mechanical Installation (T10 to T12 Models) Figure 5‑11 Pushing the AC drive into the cabinet 6. Remove the auxiliary strap, and drive screws into the four mounting holes on the back of the AC drive to fasten the AC drive to the fixing beams in the cabinet. Figure 5‑12 Fastening the AC drive to the fixing beams 7.

  • Page 87: Removing And Installing The Cover

    Mechanical Installation (T10 to T12 Models) Figure 5‑13 Removing the air filter baffle Removing and Installing the Cover 5.5.1 Removing the Cover For wiring of the control circuit, remove the cover of the AC drive before connecting any jumper, PG card, or functional extension card. To remove the cover, hold it with both hands and lift up its lower part.

  • Page 88: Installing The Cover

    Mechanical Installation (T10 to T12 Models) 5.5.2 Installing the Cover The cover of the AC drive must be removed before wiring the main circuit and control circuit. After the wiring is completed, install the cover back. P P r r o o c c e e d d u u r r e e 1.
  • Page 89 Mechanical Installation (T10 to T12 Models) ‑ ‑...

  • Page 90: Checklist Of Mechanical Installation

    Checklist of Mechanical Installation Checklist of Mechanical Installation For applicable items, tick the corresponding box on the right after installation to confirm that the work procedure has been completed. Table 6–1 Checklist of mechanical installation Applica Item Action pleted Check the anti‑tilt label. Check that the packing box is intact and free of damage and damp.

  • Page 91: Electrical Installation

    Electrical Installation Electrical Installation Electrical Wiring Diagram Figure 7‑1 Standard wiring Note For details on S1 to S4 DIP switches, see " Table 7–16 Description of control circuit ● terminals " on page 114 For three‑phase 380–480 VAC drives, a 0.4–75 kW model differs from a 90–450 kW ●...

  • Page 92: Inspection Before Wiring

    Electrical Installation Inspection Before Wiring T1 to T12 models Avoid wiring while the power is on. Keep all circuit breakers OFF during wiring. ● Failure to comply may result in electric shock. Cut off input and output power supplies and wait at least 10 minutes until the ●...
  • Page 93 Electrical Installation Figure 7‑3 Main circuit terminals of T2 models (single phase) Figure 7‑4 Main circuit terminals of T1 to T4 models Figure 7‑5 Main circuit terminals of T5 to T8 models ‑ ‑...
  • Page 94 Electrical Installation Figure 7‑6 Main circuit terminals of T9 models Table 7–1 Description of main circuit terminals Name Description Mark R, S, T Three‑phase power supply Connected to AC input input terminals three‑phase power supply. (+), (‑) Positive and negative Common DC busbar input, terminals of DC bus connected to the external...
  • Page 95 Electrical Installation T10 to T9 models Figure 7‑7 Main circuit terminals of T10 to T12 models Table 7–2 Descriptions of main circuit terminals Name Mark Description R, S, T Three‑phase power supply input Connected to AC input three‑ terminals phase power supply. +, ‑...

  • Page 96: Terminal Dimensions And Cable Selection

    Electrical Installation 7.3.2 Terminal Dimensions and Cable Selection T1 and T2 Figure 7‑8 Main circuit terminal dimensions of T1 and T2 models (mm) Table 7–3 Main circuit cable selection for T1 and T2 models Struc Model Rated RST/UVW Grounding Wire Screw Tightening ture...
  • Page 97 Electrical Installation Figure 7‑9 Main circuit terminal dimensions of T3 models (mm) Table 7–4 Main circuit cable selection for T3 models Struc Model Rated RST/UVW Grounding Wire Screw Tightening ture Input Torque Cable Cable Lug Cable Cable Lug N•m (lb•in.) <1>...
  • Page 98 Electrical Installation Figure 7‑11 Main circuit terminal dimensions of T5 models (mm) Table 7–6 Main circuit cable selection for T5 models Struc Model Rated RST/UVW Grounding Wire Screw Tightening ture Input Torque Cable Cable Lug Cable Cable Lug N•m (lb•in.) <1>...
  • Page 99 Electrical Installation Table 7–7 Main circuit cable selection for T6 models Struc Model Rated RST/UVW Grounding Wire Screw Tightening ture Input Torque Cable Cable Lug Cable Cable Lug N•m (lb•in.) <1> <1> rent MD520T30(B)(S) 57.0 3 x 16 GTNR16‑6 GTNR16‑6 4.8 (45.2) MD520T37(B)(S) 69.0...
  • Page 100 Electrical Installation Figure 7‑14 Main circuit terminal dimensions of T8 models (mm) Table 7–9 Main circuit cable selection for T8 models Struc Model Rated RST/UVW Grounding Wire Screw Tightening ture Input Torque Cable Cable Lug Cable Cable Lug N•m (lb•in.) <1>...
  • Page 101 Electrical Installation Figure 7‑15 Main circuit terminal dimensions of T9 models (mm) Table 7–10 Main circuit cable selection for T9 models Struc Model Rated RST/UVW Grounding Wire Screw Tightening ture Input Torque Cable Cable Lug Cable Cable Lug N•m (lb•in.) <1>...
  • Page 102 Electrical Installation 236.5 48.5 31.5 108.5 108.5 8-M12 Figure 7‑16 Main circuit terminal dimensions of T10 models (without output reactors) (mm) 236.5 2- 13 48.5 31.5 3- 13 108.5 108.5 102.5 122.5 122.5 8-M12 315.5 118.5 303.4 Figure 7‑17 Main circuit terminal dimensions of T10 models (with output reactors) (mm) ‑101‑...
  • Page 103 Electrical Installation The side copper busbars in the preceding figures can be removed if necessary. The following figure shows the dimensions of the main circuit terminals without the side copper busbars. 14-M12 236.5 48.5 31.5 161.5 Figure 7‑18 Main circuit terminal dimensions of T10 models (without side copper busbars and output reactors) (mm) Table 7–11 Main circuit cable selection for T10 models Struc...
  • Page 104 Electrical Installation 192.5 65.2 8-M12 193.5 Figure 7‑19 Main circuit terminal dimensions of T11 models (without output reactors) (mm) Figure 7‑20 Main circuit terminal dimensions of T11 models (with output reactors) (mm) The side copper busbars in the preceding figures can be removed if necessary. The following figure shows the dimensions of the main circuit terminals without the side copper busbars.
  • Page 105 Electrical Installation Figure 7‑21 Main circuit terminal dimensions of T11 models (without side copper busbars and output reactors) (mm) Table 7–12 Main circuit cable selection for T11 models Struc Model Rated RST/UVW Grounding Wire Screw Tightening ture Input Torque Cable Cable Lug Cable Cable Lug...
  • Page 106 Electrical Installation Figure 7‑23 Main circuit terminal dimensions of T12 models (with output reactors) (mm) The side copper busbars in the preceding figures can be removed if necessary. The following figure shows the dimensions of the main circuit terminals without the side copper busbars.

  • Page 107: Wiring Of Terminals

    To avoid accidents due to short circuits, install fuses at the input side. For requirements and selection of fuses at the input side, see "Conditions for Compliance with the LVD" in the MD520 Series General‑Purpose AC Drive Hardware Guide . Power input R/S/T Wiring at the input side is independent of phase sequence requirements.

  • Page 108: Requirements On Wiring Of The Main Circuit

    Electrical Installation Output U/V/W Sizes and wiring of external main circuit cables must comply with local regulations ● and related IEC requirements. Select properly sized copper conductors for the main circuit. ● Do not connect any capacitor or surge protection device at the output side. Failure ●...
  • Page 109 Note If the recommended cables for peripheral equipment or options are not suitable for the AC drive, contact Inovance. Shielded cables must be used to satisfy the EMC requirements. A shielded cable is either a three‑core cable or a four‑core cable, as shown in the following figure. If the shield of three‑core cable cannot provide sufficient conductivity, add an independent...
  • Page 110 Electrical Installation Figure 7‑26 Routing of cables Wiring in an IT or angular grid system Before wiring in an IT or angular grid system, disconnect the optional EMS grounding screw. Failure to comply may result in damage to the AC drive or injury. Figure 7‑27 Disconnecting the optional EMC grounding screw Motor cable shield requirements Use shielded cables for motor output.
  • Page 111 Electrical Installation Figure 7‑28 Shield wiring For the motor cable shield, use a shortest possible lead wire with a width no less than one‑fifth of the length. Figure 7‑29 Lead wire of the motor cable shield Motor cable length requirements During operation of the AC drive, the quick on‑off of the power switching tube can lead to excessively large dU/dt on the output side.
  • Page 112 Electrical Installation Table 7–14 Requirement for output reactor based on cable length and motor types Maximum Cable Length of the Common IEC60034‑25 IVIC B AC Drive Rated Common Asynchronous Power (kW) Compliant Asynchronous Motor Induction Motor Not required Required 0.4–3.7 50 m Not required Required...

  • Page 113: Protection Requirements

    Electrical Installation 7.3.5 Protection Requirements Main circuit cable protection requirements Apply heat‑shrink tubing to the copper lug and conductors of the cable, and ensure all conducting parts of the cable are properly wrapped, as shown in " Figure 7–30 Applying heat‑shrink tubing to conducting parts of the main circuit cable " on page Figure 7‑30 Applying heat‑shrink tubing to conducting parts of the main circuit cable Requirements for upstream protective devices Install appropriate protective devices on the power input side to provide...
  • Page 114 Electrical Installation Figure 7‑31 Control circuit terminals ‑113‑...
  • Page 115 Electrical Installation Table 7–16 Description of control circuit terminals Type Name Mark Function Description +10V‑GND Power supply External +10 V The terminal is used to provide power supply +10 V power supply to an external unit with the maximum output current 10 mA.
  • Page 116 Electrical Installation Type Name Function Description Mark DI1‑OP Digital input Digital input 1 Photocoupler isolation and bipolar input DI2‑OP Digital input 2 Input impedance: 1.72 kΩ DI3‑OP Digital input 3 Voltage range for effective level input: 9 V to 30 V DI4‑OP Digital input 4 DI5‑OP...
  • Page 117 Electrical Installation Type Name Function Description Mark Auxiliary ports Expansion It is a 28‑conductor terminal used card terminal to connect optional cards, such as bus cards PG card It is used to connect the resolver, terminal differential, and 23‑bit encoders. It is used to connect the LCD Port for external...

  • Page 118: Wiring Of Terminals

    Electrical Installation Note [Note 1] If the ambient temperature exceeds 23℃, the output current must be ● derated by 1.8 mA for every additional 1℃. The maximum output current is 170 mA at 40℃. When OP and 24V are shorted, the maximum output current is calculated by the following formula: 170 mA minus current over the DI.
  • Page 119 Electrical Installation Figure 7‑33 Grounding the shield of analog input cable Analog input terminal AI2 If AI2 is to be used for voltage signal input, wire it in the same way as that for AI1. ● If AI2 is to be used for current signal input, connect the current input wire to AI2 ●...
  • Page 120 Electrical Installation Digital input terminals DI1 to DI5 Sink wiring ● Figure 7‑35 Sink wiring The most commonly used wiring mode is using the internal 24 V power supply of the AC drive. In this case, short pins 1 and 2 of jumper J1 on the control board of the AC drive (to short OP1 to 24V), and connect COM of the AC drive to 0V of the external controller.
  • Page 121 Electrical Installation Figure 7‑36 Wiring for parallel connection of DI terminals of multiple AC drives in sink mode Source wiring ● Figure 7‑37 Source wiring To use the internal 24 V power supply of the AC drive, short pins 2 and 3 of ■...
  • Page 122 Electrical Installation Digital output (DO) terminals To use a DO terminal to drive a relay, connect a snubber diode across the relay coil. Otherwise, the 24 VDC power supply may be damaged. Ensure that the driving capacity does not exceed 50 mA. Figure 7‑38 Wiring a DO terminal Note Ensure correct direction of electrodes when installing the snubber diode.
  • Page 123 Electrical Installation Figure 7‑39 Anti‑interference treatment for relay output terminals Note Use a category 2 power supply for the control circuit. Failure to comply may degrade the operating performance of the AC drive. Requirements on tubular terminals Use tubular terminals with insulating sleeves. Where applicable, keep the exposed conductor of a single wire or stranded wire no longer than 6 mm, as shown in "...

  • Page 124: Circuit Wiring Requirements

    Electrical Installation the AC drive to the operating panel, as shown in " Figure 7–41 Wiring for connecting an external operating panel " on page 123 Figure 7‑41 Wiring for connecting an external operating panel 7.4.3 Circuit Wiring Requirements Note Connect the control circuit cables according to EN 60204‑1.
  • Page 125 Electrical Installation possible (within 20 m). In scenarios where analog signals experience severe external interference, install a filter capacitor or a ferrite core on the analog signal source. Use shielded cables together with a shield grounding bracket (optional) to achieve ●...

  • Page 126: Cable Routing Requirements

    Electrical Installation 3. In some scenarios with large‑scale equipment, where the AC driver is far away from the motor (the motor cable may be as long as 10 m), the grounding impedance of the encoder cable shield is increased due to parasitic inductance of the cable. In this case, you can disconnect the encoder shield from the grounding (PE) terminal of the driver.

  • Page 127: Cable Routing Suggestions

    Electrical Installation 2. Analog control signal cables Use shielded twisted pair cables. Minimize the length of unshielded part of the cable (about 5 mm to 7 mm) and wrap the exposed part with insulation tape to prevent the shielded cable from coming into contact with other equipment and incurring interference.
  • Page 128 Electrical Installation Figure 7‑45 Routing interfering cables and sensitive cables Routing cables that transmit different types of signals Arrange cables that transmit different types of signals through different routes and separate different types of signals with equipotential signals. When routing cables that transmit the same type of signals, the equipotential signal cable stays in the outer layer and equipotential signals should stay in the middle if possible, as shown in the following figure.
  • Page 129 Electrical Installation Figure 7‑46 Routing cables that transmit different types of signals Routing multi-conductor cables For multi‑conductor cables, use one cable to transmit one type of signals. To use one cable to transmit multiple types of signals, use a cable with internal conductor shields, as shown in the following figure.
  • Page 130 Electrical Installation If a multi‑conductor cable used to connect the equipment has any idle core wires, connect all the idle (or reserved) wires to the equipotential bonding point, as shown in the following figure. Figure 7‑48 Handling reserved core wires of multi‑conductor cables Avoiding large loop area For cables that transmit low‑level sensor signals and shared cables that transmit relay signals, lay them close to each other to avoid large loop area.
  • Page 131 Electrical Installation Figure 7‑50 Laying multiple types of cables Handling shielded cables Minimize the length of the unshielded part of a shielded cable, and connect the shield to the nearest PE terminal. A long unshielded part makes signals, especially encoder signals, susceptible to interference.

  • Page 132: Grounding

    Electrical Installation Grounding 7.5.1 Grounding Requirements To correctly ground the AC drive, observe the following requirements: Ground the grounding terminal to avoid electric shock. Comply with the relevant ● local electrical regulations for grounding. To prevent electric shocks, check that the protective grounding conductor meets ●...

  • Page 133: Grounding One Ac Drive Alone

    Electrical Installation 7.5.2 Grounding One AC Drive Alone Figure 7‑52 Main circuit grounding Table 7–19 Main circuit grounding Wiring Description Avoid grounding the DC bus terminal and braking resistor ① terminal. Connect the PE terminal on the power supply side to the PE ②...

  • Page 134: Grounding Multiple Ac Drives Installed Side By Side

    Electrical Installation Wiring Description Three‑phase motor ⑥ Ground the motor enclosure. ⑦ Note Arrangement of the main circuit terminals varies with models. 7.5.3 Grounding Multiple AC Drives Installed Side by Side The following figure shows the grounding when multiple AC drives are installed in the cabinet side by side.

  • Page 135: Grounding The Cabinet System

    Electrical Installation Wiring Description ③ Connect the grounding copper busbar of the control cabinet to the metal housing through a protective grounding conductor. Connect the motor output cable shield to the PE terminal on the ④ output side of the product. 7.5.4 Grounding the Cabinet System The most cost‑effective method of suppressing interference in a cabinet is to isolate the interference source from the equipment that may be interfered with.

  • Page 136: Communication Connection

    Electrical Installation Figure 7‑54 Recommended wiring for the cabinet system Communication Connection 7.6.1 RS485 RS485 communication connection with PLC Use a three‑conductor shielded cable as the RS485 bus. The AC drive comes with three cables for connection to the RS485+, RS485–, and CGND terminals. The cables for RS485+ and RS485–...
  • Page 137 Electrical Installation Table 7–22 Cable pin connections for communication between PLC and the AC drive AC Drive Communica Description Communica Description Signal Signal tion Type tion Type RS485 RS485+ RS485 RS485+ RS485 signal RS485 signal (positive) (positive) RS485– RS485– RS485 signal RS485 signal (negative) (negative)

  • Page 138: Can

    Electrical Installation Figure 7‑55 Daisy chain connection Figure 7‑56 RS485 bus topology The maximum allowable number of nodes and transmission distance of a standard RS485 circuit vary with transmission rates, as listed in the following table. Table 7–24 Transmission distance and number of nodes Transmission Rate (kbit/s) Number of Nodes...
  • Page 139 Electrical Installation The following table specifies the cable pin connections for the communication between the AC drive and PLC in CAN communication networking. Table 7–25 Cable pin connections for communication between PLC and the AC drive AC Drive Communica Signal Description Communi Signal...

  • Page 140: Ethercat Wiring

    Electrical Installation Figure 7‑57 CAN bus topology The transmission distance of CAN bus is directly dependent on the baud rate and communication cable. The following table shows the mapping between the maximum transmission distance of CAN bus and the baud rate. Table 7–27 Transmission distance and rate Transmission Rate (kbit/s)

  • Page 141: Profinet

    Electrical Installation Table 7–28 EtherCAT cable specifications Item Specifications Cable type Elastic crossover cable, S‑FTP, Cat 5e Standard compliance EIA/TIA568A, EN50173, ISO/IEC11801 EIA/TI Abulletin TSB, EIA/TIA SB40‑A&TSB36 AWG 26 Lead wire cross section Lead wire type Twisted pair cable Pair Figure 7‑59 Shielded network cables During wiring, hold the registered jack of the RJ45 network cable and insert it in the RJ45 port of the communication module until you hear a click sound.
  • Page 142 Electrical Installation Table 7–29 Wiring checklist Compliance Checklist The power input is connected to the R, S, and T terminals properly. The motor input cable is connected to the U, V, and W terminals properly. The diameter of the main circuit cable meets the requirement.

  • Page 143: Requirements On Installation Of Options

    Use an optional EMC filter to meet category C2 emission requirements in EN 61800‑3 of CE certification. For details about models and dimensions, see the MD520 Series AC Drive Selection Guide . Install the EMC filter according to the following requirements: Install the EMC filter close to the input terminals of the AC drive by using a cable ●...

  • Page 144: Ferrite Core And Ferrite Clamp

    Requirements on Installation of Options Figure 8‑1 Installing an EMC filter Ferrite Core and Ferrite Clamp A ferrite core can be installed on the input or output side of the AC drive. Install it as close to the AC drive as possible. A ferrite core installed on the input side can suppress noise in the input power supply system of the AC drive.
  • Page 145 Requirements on Installation of Options Figure 8‑2 Installing a ferrite core ‑ ‑...
  • Page 146 Requirements on Installation of Options Figure 8‑3 Installing a ferrite clamp Note The R/S/T or U/V/W cables must pass through the same ferrite core to suppress the com‑ mon mode noise. ‑145‑...

  • Page 147: Troubleshooting For Common Emc Interference Problems

    Troubleshooting for Common EMC Interference Problems Troubleshooting for Common EMC Interference Problems Leakage Current Suppression The drive outputs high‑speed pulse voltage, which may easily incur high‑frequency leakage current. The leakage current generated by each drive is higher than 100 mA. The rated action current of the earth leakage circuit breaker (ELCB) therefore must be above 100 mA.
  • Page 148 Troubleshooting for Common EMC Interference Problems Table 9–1 Troubleshooting for leakage current Trip Action Possible Cause Trip upon The anti‑interference 1. Use an earth leakage circuit breaker power‑on performance of the earth from a recommended manufacturer. leakage circuit breaker is 2.
  • Page 149 Troubleshooting for Common EMC Interference Problems Figure 9‑1 Disconnecting the optional EMC grounding screw Figure 9‑2 Installing a simple filter and ferrite core on the input side ‑ ‑...

  • Page 150: Harmonic Suppression

    Troubleshooting for Common EMC Interference Problems Harmonic Suppression To suppress harmonics of the AC drive and improve the power factor, install an AC input reactor on the input side of the AC drive to meet standard requirements. Control Circuit Interference 9.4.1 High-Speed Pulse Interference Follow the following table for troubleshooting.

  • Page 151: Communication Interference

    Troubleshooting for Common EMC Interference Problems Step Action Increase capacitance at low‑speed DI. The upper limit of capacitance is 0.1 μF. Increase capacitance at AI. The upper limit of capacitance is 0.22 μF. Add a ferrite clamp to the signal cable, or wind the signal cable on a magnetic ring for one to two turns.

  • Page 152: Encoder Feedback Signal Errors

    Troubleshooting for Common EMC Interference Problems Step Action Separate the communication cable from the power cable by a distance of at least 30 cm. For multi‑node communication, add an equipotential bonding grounding wire between nodes. Check that any cable between two nodes is within 100 m in length.
  • Page 153 *19011714A00*...

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