Danfoss VLT Design Manual
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Danfoss VLT Design Manual

Refrigeration drive
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MAKING MODERN LIVING POSSIBLE
D D esign Guide
VLT Refrigeration Drive

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  • Page 1 MAKING MODERN LIVING POSSIBLE D D esign Guide VLT Refrigeration Drive...

  • Page 2: Table Of Contents

    4.1.1 Drive Configurator 4.1.2 Type Code String 4.2 Ordering Numbers 4.2.4 Ordering Numbers: dU/dt Filters 5 How to Install 5.1 Mechanical Installation 5.1.2 Mechanical Dimensions 5.1.5 Lifting 5.1.6 Safety Requirements of Mechanical Installation ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 3 7.3.4 Frequency Converter Address (ADR) 7.3.5 Data Control Byte (BCC) 7.3.6 The Data Field 7.3.7 The PKE Field 7.3.9 Index (IND) 7.3.10 Parameter Value (PWE) 7.3.12 Conversion 7.3.13 Process Words (PCD) ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 4 7.8.5 Preset Single Register (06 HEX) 7.8.6 Preset Multiple Registers (10 HEX) 7.9 FC Control Profile 8 General Specifications and Troubleshooting 8.1 General Specifications 8.2 Efficiency 8.5 Special Conditions 8.6 Alarm and Status Messages ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 5 ® Contents Refrigeration Drive Design Guide 8.6.1 Alarm Words 8.6.2 Warning Words 8.6.3 Extended Status Words 8.6.4 Warning/Alarm List Index ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 6: How To Read This Design Guide

    Software version: 1.0x Danfoss reserves the right to revise this publication at any time and to make changes to its contents without prior notice or any obligation to notify former or present users of such revisions or changes.

  • Page 7: Abbreviations

    Torque limit Volts The maximum output current VLT,MAX The rated motor current (nameplate data). The rated output current supplied by the VLT,N frequency converter The rated motor speed (nameplate data). Table 1.3 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 8 Analog Reference A signal transmitted to the analog inputs 53 or 54, can be voltage or current. Bus Reference A signal transmitted to the serial communication port (drive port). ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 9 A locked trip can only be cancelled by cutting off mains, removing the cause of the ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 10 In addition, a high power factor indicates that the different harmonic currents are low. The frequency converters' built-in DC coils produce a high power factor, which minimizes the imposed load on the mains supply. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 11: Introduction

    Danfoss regarding PELV. serious personal injury or damage to the equipment. 525-690 V: At altitudes above 2 km, contact Danfoss Consequently, the instructions in this manual, as well as regarding PELV. national and local rules and safety regulations, must be complied with.

  • Page 12: Caution

    ® Introduction Refrigeration Drive Design Guide 2.1.2 Caution ranges. Danfoss CE-labels in accordance with the directive and issues a declaration of conformity upon request. The EMC directive (2004/108/EC) CAUTION EMC is short for electromagnetic compatibility. The The frequency converter DC link capacitors remain charged presence of electromagnetic compatibility means that the after power has been disconnected.

  • Page 13: Air Humidity

    EMC frequency converter components. properties of the appliance, system or installation rests with the installer. As an aid to the installer, Danfoss has Such chemical reactions will rapidly affect and damage the prepared EMC installation guidelines for the Power Drive electronic components.

  • Page 14: Vibration And Shock

    Proper ventilation is still required for the WARNING internal components of the drive. Contact Danfoss for In order to install and use the Safe Stop function in additional information. accordance with the requirements of Safety Category 3 in EN 954-1, the related information and instructions of the 2.5 Vibration and shock...
  • Page 15 ® Introduction Refrigeration Drive Design Guide Illustration 2.1 Diagram Showing all Electrical Terminals. (Terminal 37 Present for Units with Safe Stop Function Only.) ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 16 If the interrupt device and the frequency converter are placed in the same installation panel, use an unscreened cable instead of a screened one. Illustration 2.2 Bridge Jumper between Terminal 37 and 24 V DC ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 17 ® Introduction Refrigeration Drive Design Guide Illustration 2.3 Essential Aspects of an Installation to Achieve a Stopping Category 0 (EN 60204-1) with Safety Category 3 (EN 954-1). ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 18 = Rated flow = Rated power = Reduced flow = Reduced power H = Pressure n = Speed regulation = Rated pressure = Rated speed = Reduced pressure = Reduced speed Table 2.3 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 19 Illustration 2.8 Discharge dampers reduce power consumption somewhat. Inlet Guide Vans offer a 40% reduction but are expensive to install. The Danfoss frequency converter solution reduces energy consumption with more than 50% and is easy to install.
  • Page 20 2.7.7 Cos φ Compensation Table 2.4 ® Generally speaking, the VLT Refrigeration Drive FCR 103 has a cos φ of 1 and provides power factor correction for the cos φ of the motor, which means that there is no need to make allowance for the cos φ...

  • Page 21: Control Structures

    [Hand On] and [Off] keys. Alarms can be reset via the [Reset] key. After pressing the [Hand On] key, ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 22 It is also possible to autotune the Closed Loop controller will often provide satisfactory PI constants. performance, the control of the system can often be optimized by adjusting some of the Closed Loop ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 23 5.5 bar. Zone 2 setpoint is 4.4 bar Illustration 2.16 Feedback Conversion and the feedback is 4.6 bar. If [14] Multi Setpoint Max is selected, Zone 1’s setpoint and feedback are sent to the ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 24 Up to 8 preset references per set-up (4 set-up= 32) can be decrease the reference. A third digital input can be used to programmed in the frequency converter. The active preset reset the Digipot reference. All reference resources and the ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 25 Temperature feedback via transmitter (-10 to 40 °C, 4-20 mA) connected to terminal 54. Switch Prohibit the motor from 4-10 [0] Clockwise reversing (if necessary) S202 behind the LCP set to ON (current input). ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 26: General Aspects Of Emc

    If necessary, start and stop the drive or the enclosure at both ends. In some situations, however, it make step changes in the set-point reference to attempt to cause oscillation. Next reduce the PID ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 27: Emission Requirements

    Table 2.9 Emission Requirements conducted emissions are given in Table 2.9. When the generic emission standards are used the frequency converters are required to comply with the following limits ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 28 Class B environment standard for residential, (home and commercial and light office) industrial environments. Second EN/IEC 61000-6-4 Emission Class A Group 1 environment standard for industrial (industrial environments. environment) Table 2.10 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 29 Fourier analysis and split up into sine-wave currents with different frequencies, i.e. different harmonic currents I with 50 Hz as the basic frequency: Harmonic currents Table 2.12 ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 30: Immunity Requirements

    % of U) than the requirements for the home and office environment. All Danfoss frequency converters comply 2.9.5 Harmonics Emission Requirements with the requirements for the industrial environment and consequently comply also with the lower requirements for home and office environment with a large safety margin.
  • Page 31 8 kV AD — — 10V/m — 6 kV CD Table 2.14 EMC Immunity Form 1) Injection on cable shield AD: Air Discharge CD: Contact Discharge CM: Common mode DM: Differential mode ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 32: Galvanic Isolation (Pelv)

    All control terminals and relay terminals 01-03/04-06 comply with PELV (Protective Extra Low Voltage), with the Gate drive that runs the IGBTs (trigger exception of grounded Delta leg above 400 V. transformers/opto-couplers). Current transducers. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 33: Earth Leakage Current

    Illustration 2.24 Line Distortion Influences Leakage Current 380-480 V, enclosure D: At altitudes above 3 km, please contact Danfoss regarding PELV. 525-690 V: At altitudes above 2 km, please contact Danfoss NOTE regarding PELV. When a filter is used, turn off 14-50 RFI Filter when...

  • Page 34: Extreme Running Conditions

    14-25 Trip Delay at Torque Limit. See certificate in 2.6.1 Electrical Terminals. Switching on the Output Switching on the output between the motor and the frequency converter is fully permitted. Switching on the ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 35 Introduction Refrigeration Drive Design Guide 2.12.1 Motor Thermal Protection This is the way Danfoss is protecting the motor from being overheated. It is an electronic feature that simulates a bimetal relay based on internal measurements. The charac- teristic is shown in Illustration 2.27 Illustration 2.28...
  • Page 36 If the motor is overloaded without reaching the temperature where the ETR shuts of the motor, the torque ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 37: Drive Selection

    Refrigeration Drive Design Guide 3 Drive Selection 3.1 Options and Accessories Danfoss offers a wide range of options and accessories for the frequency converters. 3.1.1 Mounting of Option Modules in Slot B The power to the frequency converter must be discon- nected.
  • Page 38 Parameters for set-up: 6-3*, 6-4* and 16-76 Number of analog voltage inputs Standardized input signal Tolerance Resolution Max. Input impedance ± 20 V continuously 0-10 V DC 10 bits Approx. 5 KΩ Table 3.2 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 39 Relay Module MCB 105 • Extended LCP frame and enlarged terminal cover • Label for covering access to switches S201, S202 and S801 • Cable strips for fastening cables to relay module ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 40 ® Drive Selection Refrigeration Drive Design Guide Illustration 3.5 A2-A3-B3 A5-B1-B2-B4-C1-C2-C3-C4 IMPORTANT! The label MUST be placed on the LCP frame as shown (UL approved). Table 3.5 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 41 [6-8], 5-41 On Delay, Relay [6-8] and 5-42 Off Delay, Relay [6-8]. NOTE Index [6] is relay 7, index [7] is relay 8, and index [8] is relay 9 Illustration 3.7 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 42 Insert the 24 V DC Backup External Supply Option in the Option Slot Mount the Cable De-coupling Plate Attach the Terminal Cover and the LCP or Blind Cover. ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 43 Specifications according to IEC 60751 • Support Extended PID controllers with I/Os for set 3 x Analog Outputs supplying 0-10 V DC. point inputs, transmitter/sensor inputs and outputs for actuators. ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 44 Refrigeration Drive Design Guide NOTE Analog inputs - terminal X42/1-6 ® Parameter group for read out: 18-3*. See also VLT Note the values available within the different standard Refrigeration Drive FCR 103 Programming Guide, MG11C. groups of resistors: E12: Closest standard value is 470 Ω, creating an input of 449.9 Ω...
  • Page 45 The neuron ID is printed on the option in text and in barcode (code 39). 3.1.11 Cabling For information on cabling, refer to data communication between VLT® Refrigeration Drive controls RC8AC402. 3.1.12 Maximum Cable Lengths Refer to Data Communication Installation Guide RC8AC602. 3.1.13 How to Install Option in Frequency...
  • Page 46 Max. cable length between and unit 130B1129 the remote built-in kit. The enclosure is the IP66. The Communication std RS-485 fastening screws must be tightened with a torque of max. 1Nm. Table 3.10 Technical Data ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 47 Illustration 3.17 LCP Kit with Graphical LCP, Fasteners, 3 m Cable and Gasket Ordering No. 130B1113 Illustration 3.20 Illustration 3.18 LCP Kit with Numerical LCP, Fastenes and Gasket Ordering no. 130B1114 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 48 If the enclosure kit is used, an IP20 unit is upgraded to comply with enclosure IP21/ 41 top/TYPE 1. ® The IP41 top can be applied to all standard IP20 VLT Refrigeration Drive FCR 103 variants. ® MG16G102 - VLT...
  • Page 49 C at the bottom of the frequency converter and use the clamps from the accessory bag to correctly fasten the cables. Holes for cable glands: Size A2: 2x M25 and 3xM32 Size A3: 3xM25 and 3xM32 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 50 Base part D Base cover Screw(s) Fan cover Top clip Table 3.14 Illustration 3.26 B3 Enclosure NOTE Side-by-side installation is not possible when using the IP 21/IP 4X/TYPE 1 Enclosure Kit ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 51 The length is unfortunately limited because the filter does not reduce leakage currents in the cables. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 52: How To Order

    Order the frequency converter as either standard or with Enclosure 13-15 integral options by sending a type code string describing Enclosure type the product a to the local Danfoss sales office, i.e.: Enclosure class Control supply voltage FC-103-102P18KT4E21H1XGCXXXSXXXXAGBKCXXXXDX Hardware configuration...
  • Page 53 CX: No options C1 options X: No options C option software 36-37 XX: Standard software DX: No option D options 38-39 D0: DC back-up MCB 107 Table 4.2 Type Code Description ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 54: Ordering Numbers

    Mount Kit including fasteners and gasket - Panel Through Enclosure, frame size C1 130B1048 without cable Mount Kit Panel Through Enclosure, frame size C2 130B1049 Table 4.3 Options and Accessories Mount Kit ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 55 Option for Slot D MCB 107 24 V DC back-up 130B1208 External Options Table 4.4 For information on fieldbus and application option compatibility with older software versions, please contact your Danfoss supplier. Type Description Spare Parts Ordering no. Comments Control board FC...

  • Page 56: Ordering Numbers: Du/Dt Filters

    Refrigeration Drive Design Guide NOTE 4.2.2 Ordering Numbers: Harmonic Filters Be aware that only VLT® Refrigeration Drives running SW Harmonic filters are used to reduce mains harmonics. v. 1.1x or above support the use of AHF and SWF filters. dU/dt filters are supported and can be used on any software version.

  • Page 57: How To Install

    Accessory bags containing necessary brackets, screws and connectors are included with the frequency converter upon delivery. * IP21 can be established with a kit as described in 3.1.14 IP21/IP41/ TYPE 1 Enclosure Kit. Table 5.1 ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 58: Mechanical Dimensions

    ® How to Install Refrigeration Drive Design Guide 5.1.2 Mechanical Dimensions ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 59 49/1.9 49/1.9 49/1.9 49/1.9 Hole diameter 11/0.4 11/0.4 11/0.4 11/0.4 Max weight [kg] Contact Danfoss for more detailed information and CAD drawings for your own planning purposes. Table 5.4 Mechanical Dimensions ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 60 ® How to Install Refrigeration Drive Design Guide 5.1.3 Accessory Bags ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 61 C2, C3 and C4 on a non-solid back wall, Retighten all four screws. the frequency converter must be provided with a back plate A due to insufficient cooling air over the heat sink. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 62: Lifting

    The service life of the frequency converter is reduced if derating for ambient temperature is not taken into account. 5.1.7 Field Mounting IP 21/IP 4X top/TYPE 1 kits or IP 54/55 units are recommended. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 63: Electrical Installation

    NOTE temperature. Copper (60/75 °C) conductors are ® recommended. For the VLT Refrigeration Drive FCR 103 High Power series ® mains and motor connections, see VLT Refrigeration Drive 110-250 kW, MG16F. Power [kW] Torque [Nm] Enclo- 200-240 380-480...

  • Page 64: Electrical Installation And Control Cables

    ® How to Install Refrigeration Drive Design Guide 5.2.2 Electrical Installation and Control Cables Illustration 5.6 Diagram Showing all Electrical Terminals. (Terminal 37 Present for Units with Safe Stop Function only.) ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 65 Vaseline grease frequency converter. before the conductor is connected. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 66: Removal Of Knockouts For Extra Cables

    Illustration 5.8 Cable entry holes for enclosure B1. The suggested suggested use of the holes are purely recommendations and use of the holes are purely recommendations and other other solutions are possible. solutions are possible. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 67: Gland/Conduit Entry - Ip21 (Nema 1) And Ip54 (Nema12)

    If the gland plate is not mounted, the frequency converter may trip on Alarm 69, Pwr. Card Temp ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 68 Refrigeration Drive Design Guide 5.2.8 Fuses Short-circuit protection: Danfoss recommends using the fuses/Circuit Breakers listed in and to protect service personnel and property in case of A frequency converter that works correctly limits the component break-down in the frequency converter.
  • Page 69 To remove the cable from the terminal: Insert a screw driver in the square hole. Pull out the cable. Max. 0.4 x 2.5 mm Illustration 5.20 Illustration 5.18 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 70 Connect terminals 18 and 27 to +24 V (terminal 12/13) Default settings: 18 = start 27 = stop inverse Illustration 5.22 Terminal 37 available with Safe Stop Function only. ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 71 (terminal 20, 55, 39) to avoid ground currents from both groups to affect other groups. For example, switching on the digital input may disturb the analog input signal. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 72: Final Set-Up And Test

    It is recommended to only change switch position at Table 5.10 power off. Step 3. Activate the Automatic Motor Adaptation (AMA) Performing an AMA will ensure optimum performance. The AMA measures the values from the motor model equivalent diagram. ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 73 This number along with the description of the alarm will assist you in troubleshooting. If you contact Danfoss Service, make sure to mention number and alarm description. Unsuccessful AMA is often caused by incorrectly registered motor name plate data or too big difference between the motor power size and the frequency converter power size.

  • Page 74: Additional Connections

    RPM values. The electronic thermal relay (ETR) of the frequency converter cannot be used as motor protection for the individual motor of systems with parallel-connected ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 75 UL-approval for single motor protection, when 1-90 Motor Thermal Protection is set for ETR Trip and 1-24 Motor Current is set to the rated motor current (see motor name plate). ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 76: Installation Of Misc. Connections

    Try to ensure that the line voltage is balanced to S801. ground. This can be difficult for IT, TT, TN-CS or Grounded leg systems Communication protocol must be set to 8-30 Protocol. ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 77 Documentation and print out of parameter All frequency converters are equipped with a serial settings incl. diagrams communication port. Danfoss provides a PC tool for communication between PC and frequency converter, PC- Ext. User Interface based Configuration Tool MCT 10 Set-up Software.

  • Page 78: Safety

    130B1031. not recommended. See also , 2.9.1 General Aspects of EMC Emissions and . MCT 31 can also be downloaded from the Danfoss Internet: http://www.danfoss.com/BusinessAreas/DrivesSo- Good engineering practice to ensure EMC-correct lutions/Softwaredownload/.
  • Page 79 See . Illustration 5.31 EMC-correct Electrical Installation of a Frequency Converter in Cabinet. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 80: Use Of Emc-Correct Cables

    Refrigeration Drive Design Guide Illustration 5.32 Electrical Connection Diagram. 5.7.2 Use of EMC-Correct Cables Danfoss recommends braided screened/armoured cables to optimise EMC immunity of the control cables and the EMC emission from the motor cables. The ability of a cable to reduce the in- and outgoing...
  • Page 81 Single-layer braided copper wire with varying cation must be fitted with cable clamps at both percentage screen coverage. ends to ensure the best possible electrical This is the typical Danfoss reference cable. contact. Double-layer braided copper wire. Wrong earthing Do not use twisted cable ends (pigtails). They...
  • Page 82 If RCD relays are used, local regulations must be observed. Relays must be suitable for protection of 3-phase equipment with a bridge rectifier and for a brief discharge on power-up see for further information. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 83: Application Examples

    5-12 Terminal 27 Digital Input = coast inverse 5-12 Terminal 27 Digital Input = Stop inverse (default) Illustration 6.1 Terminal 37: Available only with Safe Stop Function Illustration 6.2 Terminal 37: Available only with Safe Stop Function ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 84: Potentiometer Reference

    Illustration 6.3 6.1.5 Smart Logic Control 6.1.4 Automatic Motor Adaptation (AMA) ® A useful facility in the VLT Refrigeration Drive FCR 103 frequency converter is the Smart Logic Control (SLC). AMA is an algorithm to measure the electrical motor In applications where a PLC is generating a simple parameters on a motor at standstill.

  • Page 85: Slc Application Example

    Set the timer 0 for constant running speed in 13-20 SL Set Action 3 in 13-52 SL Controller Action [3] to Select preset Controller Timer [0]. Ex.: 2 sec. 1 [11] ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 86 Set the Smart Logic Control in 13-00 SL Controller Mode to Start/stop command is applied on terminal 18. If stop signal is applied the frequency converter will ramp down and go into free mode. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 87: Installation And Set-Up

    69 is connected to the N signal (TX-,RX-). See drawings in 5.7.3 Earthing of Screened/Armoured Control Cables . If more than one frequency converter is connected to a master, use parallel connections. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 88: Emc Precautions

    The FC protocol, also referred to as FC bus or Standard 8-36 Maximum Specify a maximum delay time between bus, is the Danfoss standard fieldbus. It defines an access Response Delay transmitting a request and receiving a technique according to the master-slave principle for response.

  • Page 89: Fc Protocol Message Framing Structure

    The checksum is calculated as an XOR-function. Before the of telegram) follows. first byte in the telegram is received, the Calculated Checksum is 0. A data control byte (BCC) completes the telegram. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 90: The Data Field

    The text block is used to read or write texts via the data block. Illustration 7.9 7.3.7 The PKE Field The PKE field contains two sub-fields: Parameter command and response AK, and Parameter number PNU: Illustration 7.10 ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 91: Index (Ind)

    Selecting a data value. Serial communication is only capable of reading parameters containing data type 9 (text Bits no. 0-11 transfer parameter numbers. The function of string). the relevant parameter is defined in the parameter description in . ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 92: Conversion

    PKE = E19E Hex - Write single word in 4-14 Motor Speed 4-12 Motor Speed Low Limit [Hz] has a conversion factor of High Limit [Hz] 0.1. To preset the minimum frequency to 10 Hz, transfer ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 93: Reading A Parameter Value

    7.5 Modbus RTU Overview 100 Hz, see Conversion. 7.5.1 Assumptions The telegram will look like this: Danfoss assumes that the installed controller supports the interfaces in this document, and strictly observe all requirements and limitations stipulated in the controller and frequency converter.

  • Page 94: Frequency Converter With Modbus Rtu

    A typical message frame is shown in Table 7.14. Table 7.11 Start Address Function Data check T1-T2-T3- 8 bits 8 bits N x 8 16 bits T1-T2-T3- bits Table 7.14 Typical Modbus RTU Message Structure ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 95: Start/Stop Field

    ‘4XXXX’ reference is implicit. Holding register 40108 is data field of the response message. This tells the master addressed as register 006BHEX (107 decimal). what kind of error occurred, or the reason for the ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 96 Set up MSB Not in current limit Current limit No reversing Reversing No thermal warning Thermal warning Frequency converter control word (FC profile) Frequency converter status word (FC profile) Table 7.16 Table 7.17 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 97 Output data: Frequency converter status word register (STW). 50210 Output data: Frequency converter main actual value register (MAV). Table 7.18 * Used to specify the index number to be used when accessing an indexed parameter. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 98: How To Control The Frequency Converter

    7.7.2 Storage of Data The Coil 65 decimal determines whether data written to the frequency converter are stored in EEPROM and RAM (coil 65 = 1) or only in RAM (coil 65 = 0). ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 99: Ind

    This function reads the ON/OFF status of discrete outputs all attached slaves. (coils) in the frequency converter. Broadcast is never supported for reads. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 100: Force/Write Multiple Coils (0F Hex)

    Quantity of Coils HI Quantity of Coils LO 10 (16 coils) Byte Count Force Data HI (Coils 8-1) Force Data LO 00 (ref. = 2000 hex) (Coils 16-9) Error Check (CRC) Table 7.26 ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 101: Preset Single Register (06 Hex)

    E7 (Register address 999) Write Data HI Preset Data HI (Register 4: 1050) Preset Data LO Write Data LO Error Check (CRC) (Register 4: 1050) Error Check (CRC) Table 7.30 Table 7.32 ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 102: Fc Control Profile

    Explanation of the Control Bits Bits 00/01 Bits 00 and 01 are used to choose between the four reference values, which are pre-programmed in 3-10 Preset Reference according to the following table: ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 103 Bit 12, Relay 04: Bit 12 = "0": Relay 04 is not activated. Bit 12 = "1": Relay 04 is activated provided that Control word bit 12 is chosen in 5-40 Function Relay. ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 104 Bit 03 = ’0’ : The frequency converter is not in fault mode. Bit 03 = ’1’: The frequency converter trips. To re-establish operation, enter [Reset]. ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 105 Speed reference value is transmitted to the frequency converter in a relative value in %. The value is transmitted in the form of a 16-bit word; in integers (0-32767) the Illustration 7.19 ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 106: General Specifications And Troubleshooting

    Weight enclosure IP55 [kg] 9.7/13.5 9.7/13.5 9.7/13.5 13.5 13.5 (A4/A5) Weight enclosure IP66 [kg] 9.7/13.5 9.7/13.5 9.7/13.5 13.5 13.5 (A4/A5) Efficiency 0.96 0.96 0.96 0.96 0.96 Table 8.1 Mains Supply 200-240 V AC ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 107 ® General Specifications and ... Refrigeration Drive Design Guide ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 108 ® General Specifications and ... Refrigeration Drive Design Guide ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 109 ® General Specifications and ... Refrigeration Drive Design Guide ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 110 ® General Specifications and ... Refrigeration Drive Design Guide ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 111 ® General Specifications and ... Refrigeration Drive Design Guide ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 112 ® General Specifications and ... Refrigeration Drive Design Guide 8.1.1 Mains Supply 3x525-690 V AC ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 113 >10 V DC Voltage level, logic '0' NPN >19 V DC Voltage level, logic '1' NPN <14 V DC Maximum voltage on input 28 V DC Pulse frequency range 0-110 kHz ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 114 Max. frequency at terminal 29, 32, 33 5 kHz (open collector) Min. frequency at terminal 29, 32, 33 4 Hz Voltage level see 8.1.2 Digital Inputs Maximum voltage on input 28 V DC ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 115 240 V AC, 0.2 A Max. terminal load (DC-1) on 4-5 (NO) (Resistive load) 80 V DC, 2 A Max. terminal load (DC-13) on 4-5 (NO) (Inductive load) 24 V DC, 0.1 A ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 116 1 ms Control card, USB serial communication USB standard 1.1 (Full speed) USB plug USB type B “device” plug Connection to PC is carried out via a standard host/device USB cable. ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 117 As a response to a critical level, the frequency converter can adjust the switching frequency and/ or change the switching pattern in order to ensure the performance of the frequency converter. ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 118: Efficiency

    (type, cross-section, length screened or unscreened) In small motors, the influence from the U/f characteristic inductance on efficiency is marginal. However, in motors from 11kW and up, the advantages are significant. ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 119 0.806 Table 8.11 Frequency converter, P15K, T2 Rise time dU/dt Cable Mains Vpeak length [m] voltage [V] [μsec] [kV] [kV/μsec] 0.556 0.650 0.935 0.592 0.594 0.807 0.708 0.575 0.669 Table 8.12 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 120 0.559 Table 8.17 Frequency converter, P1K5, T4 Cable Mains Rise time Vpeak dU/dt length [m] voltage [V] [μsec] [kV] [kV/μsec] 0.640 0.690 0.862 0.470 0.985 0.985 0.760 1.045 0.947 Table 8.18 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 121 0.596 Table 8.23 Frequency converter, P22K, T4 Rise time dU/dt Cable Mains Vpeak length [m] voltage [V] [μsec] [kV] [kV/μsec] 0.232 0.950 3.534 0.410 0.980 1.927 0.430 0.970 1.860 Table 8.24 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 122 1.030 2.264 Table 8.30 High Power Range: Frequency converter, P110 - P250, T4 Rise time dU/dt Cable Mains Vpeak length [m] voltage [V] [μsec] [kV] [kV/μsec] 0.34 1.040 2.447 Table 8.31 ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 123: Special Conditions

    For more specific data and/or derating information for altitudes. As an example of how to read the graph, the other motors or conditions, please contact Danfoss. situation at 2 km is elaborated. At a temperature of 45° C - 3.3 K), 91% of the rated output current is AMB, MAX 8.5.3 Automatic Adaptations to Ensure...

  • Page 124: Alarm And Status Messages

    However, the design of the puts a Via serial communication/optional fieldbus. limit to the motor size. By resetting automatically using the [Auto Reset] function, which is a default setting for VLT Refrig- Variable (Quadratic) torque applications (VT) ® eration Drive, see 14-20 Reset Mode in VLT...
  • Page 125 I AMA low I AMA motor too big AMA motor too small AMA parameter out of range AMA interrupted by user AMA timeout AMA internal fault Current limit External interlock ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 126 V phase Loss Brake IGBT 00200000 2097152 W phase Loss Speed Limit 00400000 4194304 Fieldbus Fault Fieldbus Fault 00800000 8388608 24 V Supply Low 24V Supply Low 01000000 16777216 Mains Failure Mains Failure ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 127 Warning Word 2 00000001 Start Delayed 00000002 Stop Delayed 00000200 Discharge Temperature High Discharge Temperature High 00000400 1024 Start Limit 00000800 2048 Speed Limit Table 8.36 Compressor specific Alarms and Warnings ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 128: Alarm Words

    Earth fault DESAT 40000000 PTC 1 Safe Stop [A71] 20000000 Drive initialised 80000000 Dangerous Failure [A72] 40000000 Safe Stop [A68] 80000000 Table 8.38 16-91 Alarm Word 2 Table 8.37 16-90 Alarm Word ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 129: Warning Words

    20000000 Reserved 08000000 40000000 PTC 1 Safe Stop [W71] 10000000 80000000 Reserved 20000000 40000000 Safe Stop [W68] Table 8.40 16-93 Warning Word 2 80000000 Not used Table 8.39 16-92 Warning Word ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 130: Extended Status Words

    Reserved 80000000 Reserved 10000000 Reserved 20000000 Reserved Table 8.42 Extended Status Word 2, 16-95 Ext. Status Word 2 40000000 Reserved 80000000 Reserved Table 8.41 Extended Status Word, 16-94 Ext. Status Word ® MG16G102 - VLT is a registered Danfoss trademark...

  • Page 131: Warning/Alarm List

    ALARM 15, In-complete hardware: (DC-link) divided by 1.35 A fitted option is not handled by the present control board (hardware or software). Table 8.43 Alarm/Warning Limits ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 132 Turn off the frequency converter and WARNING 47, 24 V supply low: remove the brake resistor. The external 24 V DC backup power supply may be overloaded, otherwise contact the local Danfoss supplier. WARNING 48, 1.8 V supply low: Contact the local Danfoss supplier. ®...
  • Page 133 Bus, Digital I/O, or by pressing [Reset]). For correct and safe ALARM 50, AMA calibration failed: use of the Safe Stop function follow the related Contact the local Danfoss supplier. information and instructions in the Design Guide ALARM 51, AMA check Unom and Inom:...

  • Page 134: Index

    Conducted Emission..............28, 31 Equalising Cable,................... 80 Constant Torque Applications (CT Mode)......... 123 ETR....................73, 130 Example Of Closed Loop PID Control..........24 Extended Status Word..................129 Status Word 2.................. 129 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 135 Intermediate Circuit..........33, 117, 118, 130 Network Connection................86 IP 21/Type 1 Enclosure Kit..............48 Ni1000 Temperature Sensor............. 42 IP21/IP41/ TYPE 1 Enclosure Kit............47 Options And Accessories..............36 Jog....................... 6, 102 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 136 Thermistor....................8 Rise Time....................118 Tightening Of Terminals..............62 RS-485 RS-485....................86 Torque Characteristics..............112 Bus Connection................. 75 Transmitter/sensor Inputs..............42 Tuning The Drive Closed Loop Controller........25 Type Code String.................. 51 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 137 Varying Flow Over 1 Year..............18 Vibration And Shock................13 Voltage Level..................112 VVCplus)..................... 9 Warning Against Unintended Start............. 10 Words....................128 What Is CE Conformity And Labelling?..........11 Is Covered................... 11 ® MG16G102 - VLT is a registered Danfoss trademark...
  • Page 138 130R0385 MG16G102 Rev. 2012-03-02 *MG16G102*...

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