1. Manuals
  2. Brands
  3. Danfoss Manuals
  4. DC Drives
  5. VLT HVAC Basic Drive FC 101
  6. Design manual

Danfoss VLT HVAC Basic Drive FC 101 Design Manual

Hide thumbs Also See for VLT HVAC Basic Drive FC 101:
Table of Contents

Advertisement

Quick Links

Download this manual
MAKING MODERN LIVING POSSIBLE
Design Guide
®
VLT
HVAC Basic Drive FC 101

Advertisement

Table of Contents
loading

Related Manuals for Danfoss VLT HVAC Basic Drive FC 101

Summary of Contents for Danfoss VLT HVAC Basic Drive FC 101

  • Page 1 MAKING MODERN LIVING POSSIBLE Design Guide ® HVAC Basic Drive FC 101...

  • Page 2: Table Of Contents

    4 How to Order 5 How to Install 5.1.1 Dimensions 5.1.2 Shipping Dimensions 5.1.3 Side-by-Side Installation 5.2 Electrical Data 5.2.1 Electrical Overview 5.2.2 Electrical Installation in General 5.2.3 Connecting to Mains and Motor ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 3 7.8 Modbus RTU Message Framing Structure 7.8.1 Frequency Converter with Modbus RTU 7.8.2 Modbus RTU Message Structure 7.8.3 Start/Stop Field 7.8.4 Address Field 7.8.5 Function Field 7.8.6 Data Field 7.8.7 CRC Check Field ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 4 7.10.2 Force/Write Single Coil (05 HEX) 7.10.3 Force/Write Multiple Coils (0F HEX) 7.10.5 Preset Single Register (06 HEX) 7.11 Danfoss FC Control Profile 7.11.1 Control Word According to FC Profile (8-10 Protocol = FC profile) 8 General Specifications and Troubleshooting 8.1 Mains Supply Tables...

  • Page 5: How To Read This Design Guide

    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 Table 1.1...

  • Page 6: Symbols

    Rated Inverter Output Current Revolutions Per Minute Regenerative terminals Regen Second Synchronous Motor Speed Torque limit Volts The maximum output current VLT,MAX The rated output current supplied by the VLT,N frequency converter Table 1.3 ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 7: Definitions

    The rated motor current (nameplate data). A defined preset reference to be set from -100% to +100% of the reference range. Selection of eight preset references via the digital terminals. The rated motor speed (nameplate data). ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 8 The control panel is detachable and can be Restart is prevented until the trip state is cancelled by ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 9: Power Factor

    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. ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 10: Introduction To Vlt

    ® 2 Introduction to VLT HVAC Basic Drive Installation at high altitudes CAUTION 2.1 Safety At altitudes above 2 km, contact Danfoss regarding PELV. 2.1.1 Safety Note WARNING WARNING UNINTENDED START DANGEROUS VOLTAGE The motor can be brought to a stop with digital...

  • Page 11: Ce Labeling

    50-1000 V AC and the 75-1500 V DC voltage service or repair work. The amount of wait time is listed in ranges. Danfoss CE-labels in accordance with the directive the Discharge Time table. Failure to wait the specified time and issues a declaration of conformity upon request.

  • Page 12: Air Humidity

    CE labeled under the EMC directive. properties of the appliance, system or installation rests with the installer. As an aid to the installer, Danfoss has The frequency converter is sold as part of a complete system. The system is being marketed...

  • Page 13: Vibration And Shock

    IEC/EN 60068-2-6 Vibration (sinusoidal) - 1970 IEC/EN 60068-2-64 Vibration, broad-band random Table 2.3 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 14 2.6.4 Comparison of Energy Savings Voume % Illustration 2.2 When using a frequency converter to reduce fan The Danfoss frequency converter solution offers major capacity to 60% - more than 50% energy savings may be savings compared with traditional energy saving solutions.
  • Page 15 Illustration 2.5 Energy Savings 1650rpm Discharge dampers reduce power consumption somewhat. Inlet Guide Vans offer a 40% reduction but are expensive 1350rpm to install. The Danfoss frequency converter solution reduces energy consumption with more than 50% and is 1050rpm easy to install. 750rpm Illustration 2.7...
  • Page 16 Such motor starters are not required if a frequency converter is used. As illustrated in Illustration 2.8, a frequency converter does not consume more than rated current. ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 17 Pump Duct Pump Local Main D.D.C. B.M.S Pressure control control 0-10V 0/4-20mA Control Control temperature temperature 0-10V 0-10V 0/4-20mA 0/4-20mA Mains Mains Mains Illustration 2.10 Fan System Controlled by Frequency Converters ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 18 The next few pages provide typical examples of applications within HVAC. For further information about a given application, ask the Danfoss supplier for an information sheet that gives a full description of the application. The following application notes can be downloaded from the Danfoss web page, www.danfoss.com/BusinessAreas/DrivesSolutions/Documen-...
  • Page 19 Pressure signal Frequency Cooling coil Heating coil converter VAV boxes Filter Supply fan Pressure transmitter Flow Frequency converter Return fan Flow Illustration 2.11 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 20 Units (AHUs) with a heating coil, and many are also used Several features of the Danfoss HVAC dedicated frequency to air condition buildings and have a cooling coil. Fan coil converter can be utilized to improve the performance of units are frequently used to assist in the heating and your CAV system.
  • Page 21 Introduction to VLT® HVAC B... HVAC Basic Drive Design Guide 2.6.16 Cooling Tower Fan Several features of the Danfoss HVAC dedicated frequency converter, the HVAC frequency converter can be utilized to improve the performance of your cooling tower fans Cooling Tower Fans cool condenser water in water cooled application.
  • Page 22 Frequency converter Water Inlet Flow or pressure sensor BASIN Water Outlet Throttling valve Condenser Water pump Supply Illustration 2.14 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 23 A frequency converter can be added to the primary system, to replace the throttling valve and/or trimming of the impellers, leading to reduced operating expenses. Two control methods are common: Flowmeter Flowmeter Frequency converter Frequency converter Illustration 2.15 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 24 While the primary-secondary system with two-way valves improves energy savings and eases system control problems, the true energy savings and control potential is realized by adding frequency converters. Frequency converter Frequency converter Illustration 2.16 ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 25: Control Structures

    2.7.2 PM/EC+ Motor Control PM motors • Support reduced AMA of the stator resistance Rs The Danfoss EC+ concept provides the possibitily for using in the system only high efficient PM motors in IEC standard frame size • No stall detection operated by Danfoss frequency converters.
  • Page 26 Since the square root of pressure is proportional to flow, the square root of the Illustration 2.20 pressure signal yields a value proportional to the flow. See Illustration 2.20. ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 27 3-17 Reference 3 Source). All reference resources and the bus reference are added to produce the total external reference. The external reference, the preset reference or the sum of the two can be selected to be the active ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 28 6-23 T54 high Current 0220 13.30 20-93 PI Proportional Gain 00.50 6-25 T54 high Feedback 6-25 T54 high Feedback 0050 0050 20-94 PI integral time 0020.00 1-29 Automatic Motor Adaption Illustration 2.22 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 29 AMA. 1-39 Motor Poles 2-100 Enter the number of motor poles 1-40 Back EMF at 1000 RPM 10-9000 Size related Line-Line RMS back EMF voltage at 1000 RPM ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 30 Obtain quick control through a short integral time, though if the integral time is too short, the process becomes unstable. An excessively long integral time disables the integral action. Table 2.8 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 31 Next, increase the PI integral time until the feedback signal stabilizes. Then increase of the integral time by 15-50%. ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 32: General Aspects Of Emc

    (unit + installation), make motor and brake cables as short as possible. Avoid placing cables with a sensitive signal level alongside motor and brake cables. Radio interference higher than 50 MHz (airborne) is especially ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 33 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 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 34 22-90 kW 3x380-480 V IP54 H3 RFI filter (Class A1/B) 1.5-45 kW 3x200-240 V IP20 30-90 kW 3x380-480 V IP20 0.75-18.5 kW 3x380-480 V IP54 22-90 kW 3x380-480 V IP54 Table 2.11 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 35 Actual 0.37-22 kW, 380-480 V 44.4 40.8 (typical) THD % = U + ... + ≥120 Limit for R % of U) Table 2.15 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 36 IP54 400 V 40.1 27.1 influence on the power supply system and for the (typical) documentation of compliance with relevant regional ≥120 Limit for R guidelines: IEEE 519 -1992; G5/4. Table 2.19 ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 37: Galvanic Isolation (Pelv)

    RS-485 standard bus interface. 0.25-22 kW CAUTION Power supply (SMPS) Installation at high altitude: Optocouplers, communication between AOC and At altitudes above 2 km, contact Danfoss regarding PELV. Custom relays ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 38: Earth Leakage Current

    This is the way Danfoss protects the motor from being supply system by a transformer. See also Application Note overheated. It is an electronic feature that simulates a Protection against Electrical Hazards, MN90G.
  • Page 39 Example: The frequency converter trips when the motor temperature is too high. Parameter set-up: Set 1-90 Motor Thermal Protection to [2] Thermistor Trip Set 1-93 Thermistor Source to [6] Digital Input 29 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 40 If the motor is overloaded without reaching the temperature where the ETR shuts of the motor. ETR is activated in 1-90 Motor Thermal Protection. ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 41: Vlt ® Hvac Basic Drive Selection

    Auto Auto Step 3 Hand Hand Reset Reset Place bracket on back of the LCP, then slide down. Tighten screws and connect cable female side to LCP. Illustration 3.1 Illustration 3.3 ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 42: Ip21/Type 1 Enclosure Kit

    IP21/TYPE 1 is an optional enclosure element available for IP20 units. If the enclosure kit is used, an IP20 unit is upgraded to comply with enclosure IP21/TYPE 1. H1-H5 Warn. Alarm Illustration 3.5 ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 43: Decoupling Plate

    18.5-30 132B0207 IP20 37-45 132B0242 IP20 22-30 37-55 132B0208 IP20 132B0243 IP20 37-45 75-90 132B0209 Table 3.4 NOTE For H9, H10 Drive, the decoupling plates are included in the accessory bag. ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 44: How To Order

    Furthermore, a project list with several products can be established and sent it Danfoss sales representative. The frequency converter configurator can be found on: www.danfoss.com/drives. ®...
  • Page 45 C0 options MCO 33-34 CX: No C options C1 options X: No C1 options C option software 36-37 XX: No options D options 38-39 DX: No D0 options Table 4.1 Type Code Descriptions ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 46 ® How to Order HVAC Basic Drive Design Guide 4.2.1 Ordering Numbers: Options and Accessories ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 47 130B1491 130B1291 130B1201 130B1778 130B1492 130B1292 130B1204 130B1779 130B1493 130B1294 130B1213 130B1780 130B1494 130B1294 130B1213 130B1781 130B1495 Table 4.4 AHF Filters (10% current distortion) Table 4.6 AHF Filters (10% current distortion) ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 48 FN3258-30-47 270 50 85 240 255 30 5.4 1 10.6 M5 1.9-2.2 132B0246 18.5-22 FN3258-42-47 310 50 85 280 295 30 5.4 1 10.6 M5 1.9-2.2 132B0247 Table 4.7 Illustration 4.2 ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 49: How To Install

    22-30 55-75 37-55 630/690 (75 kW) IP20 37-45 75-90 IP20 2.2-7.5 IP20 11-15 IP54 0.75-4.0 318.5 IP54 5.5-7.5 IP54 11-18.5 13.8 IP54 11-18.5 IP54 22-37 IP54 45-55 IP54 75-90 Table 5.2 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 50 Table 5.3: Enclosure Clearance needed for free air passage [mm] Frame IP class Above unit Below unit Table 5.3 Clearance Needed for Free Air Passage [mm] ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 51: Shipping Dimensions

    ® How to Install HVAC Basic Drive Design Guide 5.1.2 Shipping Dimensions ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 52: Side-By-Side Installation

    100/4 IP20 11-15 200/7.9 Table 5.5 NOTE With IP21/Nema Type1 option kit mounted, a distance of 50 mm between the units is required. 5.1.4 Field Mounting IP21/TYPE 1 kits are recommended. ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 53: Electrical Data

    There is no access to UDC- and UDC+ on the following units: IP20 380-480 V 30-90 kW IP20 200-240 V 15-45 kW IP20 525-600 V 2.2-90 kW IP54 380-480 V 22-90 kW ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 54: Electrical Installation In General

    Relay terminals IP20 2.2-7.5 recommended IP20 11-15 recommended IP20 18.5-30 IP20 37-55 IP20 75-90 14/24 14/24 Table 5.8 Details of Tightening Torques ≤ 95 mm Cable dimensions Cable dimensions >95 mm ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 55: Connecting To Mains And Motor

    Mount mains supply to terminals L1, L2 and L3 and tighten. Illustration 5.2 H1-H5 Frame IP20 200-240 V 0.25-11 kW and IP20 380-480 V 0.37-22 kW. Line Earth Motor Relays Table 5.9 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 56 IP20 380-480 V 55-75 kW IP20 525-600 V 22-30 kW IP20 200-240 V 22- 30 kW IP20 525-600 V 45-55 kW Line Motor Line Earth Relays Relays Earth Motor Table 5.10 Table 5.11 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 57 IP20 380-480 V 90 kW IP20 200-240 V 37-45 kW IP20 525-600 V 75-90 kW Line Relays Earth Motor Illustration 5.7 Table 5.12 MOTOR Illustration 5.6 H9 Frame IP20 600 V 2.2-7.5 kW Illustration 5.8 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 58 ® How to Install HVAC Basic Drive Design Guide Illustration 5.9 Illustration 5.11 H10 Frame IP20 600 V 11-15 kW Illustration 5.10 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 59 Illustration 5.13 I3 Frame IP54 380-480 V 0.75-4.0 kW IP54 380-480 V 5.5-7.5 kW RS-485 RS-485 Line in Line in Earth Earth Wire clamps Wire clamps Motor Motor Relays Relays Table 5.13 Table 5.14 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 60 IP54 380-480 V 22-37 kW IP54 380-480 V 0.75-4.0 kW RS-485 Line in Earth Wire clamps Motor Relays Table 5.15 Illustration 5.17 I6 Frame IP54 380-480 V 22-37 kW Illustration 5.15 IP54 I2-I3-I4 frame ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 61: Fuses

    Illustration 5.18 I6 Frame IP54 380-480 V 22-37 kW Non UL compliance If UL/cUL is not to be complied with, Danfoss recommends using the fuses mentioned in Table 5.16, which ensures compliance with IEC 61800-5-1. In case of malfunction, not following the fuse recommen- dation may result in damage to the frequency converter.
  • Page 62 JJS-R100 EGE3125FFG A125 FRS-R-125 KTS-R125 JKS-R125 JJS-R125 Cutler-Hammer Moeller NZMB1- FRS-R-150 KTS-R150 JKS-R150 JJS-R150 JGE3200FFG A200 FRS-R-200 KTS-R200 JKS-R200 JJS-R200 Cutler-Hammer Moeller NZMB2- FRS-R-250 KTS-R250 JKS-R250 JJS-R250 JGE3250FFG A250 Table 5.16 ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 63: Emc-Correct Electrical Installation

    Connect the screen to earth at both ends. installation plates. • • Avoid installation with twisted screen ends Do not use unscreened/unarmoured motor cables (pigtails), since this ruins the screening effect at in the installation cabinets. ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 64 Motor, 3 phases and Reinforced protective earth Protective earth Illustration 5.20 EMC-correct Electrical Installation NOTE For North America use metal conduits instead of shielded cables. ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 65: Control Terminals

    Digital input 18, 19 and 27 mode is set in 5-00 Digital Input Mode (PNP is default value) and digital input 29 mode is set in 5-03 Digital Input 29 Mode (PNP is default value). ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 66: How To Programme

    (factory setting). When Software. This software can either be ordered using code active and edit set-up differ, both numbers are shown in number 130B1000 or downloaded from the Danfoss the display (Setup 12). The number flashing, indicates the www.danfoss.com/BusinessAreas/DrivesSolutions/software- edit set-up.

  • Page 67: Menus

    VLT HVAC Basic Drive Setup 1 functions. The [Quick Menu] consists of: Illustration 6.4 • Wizard for open loop applications • Closed loop set-up wizard • Motor set-up • Changes made ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 68 AMA running AMA Failed Wizard completed Press OK ----- Press OK to accept Setup 1 Setup 1 Setup 1 0.0 Hz 0.0 kW Setup 1 AMA failed AMA OK Illustration 6.5 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 69 Enter motor power from nameplate data 1-22 Motor Voltage 50.0-1000.0 V Size related Enter motor voltage from nameplate data 1-23 Motor Frequency 20.0-400.0 Hz Size related Enter motor frequency from nameplate data ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 70 0.07 V Enter the voltage that corresponds to the low Voltage reference value 6-11 Terminal 53 High 0-10 V 10 V Enter the voltage that corresponds to the high Voltage reference value ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 71 Enter the current that corresponds to the high Current reference value 6-19 Terminal 53 mode [0] Current Select if terminal 53 is used for current- or voltage [1] Voltage input Table 6.4 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 72 6-21 T54 high Voltage 0220 13.30 20-93 PI Proportional Gain 00.50 6-25 T54 high Feedback 6-25 T54 high Feedback 0050 0050 20-94 PI integral time 0020.00 1-29 Automatic Motor Adaption Illustration 6.6 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 73 AMA. 1-39 Motor Poles 2-100 Enter the number of motor poles 1-40 Back EMF at 1000 RPM 10-9000 Size related Line-Line RMS back EMF voltage at 1000 RPM ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 74 Obtain quick control through a short integral time, though if the integral time is too short, the process becomes unstable. An excessively long integral time disables the integral action. Table 6.5 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 75 Output maximum output salient SPM. Frequency frequency value NOTE Table 6.6 Changing this parameter affects settings of other parameters 1-30 Stator 0.000-99.990 Size related Set the stator Resistance (Rs) resistance value ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 76: Main Menu

    Once the set-up of a frequency converter is complete, setting's value from another different value, the parameter Danfoss recommends to store the data in the LCP or on a will NOT be listed in Changes Made. PC via MCT 10 Setup Software tool.

  • Page 77: Initialise The Frequency Converter To Default Settings In Two Ways

    Power up the frequency converter while still pressing the keys above for 10 s. The frequency converter is now reset, except the following parameters: 15-00 Operating hours 15-03 Power Up's 15-04 Over Temp's ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 78: Installation And Set-Up

    69 (N-) on the main control board of the frequency converter. Connect the cable screen to the cable clamps. NOTE Screened, twisted-pair cables are recommended in order to reduce noise between conductors. ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 79: Fc Protocol Overview

    The following parameters apply to the RS-485 interface The FC protocol, also referred to as FC bus or Standard (FC-port): bus, is the Danfoss standard fieldbus. It defines an access technique according to the master-slave principle for communications via a serial bus.

  • Page 80: Network Configuration

    Control word and reference value (from master to A data control byte (BCC) completes the telegram. slave) Status word and present output frequency (from slave to master) ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 81 Parameter value transferred (double Bits no. 12-15 transfer parameter commands from master word) to slave and return processed slave responses to the Command cannot be performed master. text transferred Table 7.6 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 82 PWE block transferred is multiplied by 0.1. The value 100 is thus contains no value. To change a parameter value (write), perceived as 10.0. ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 83: Process Words (Pcd)

    7.6.1 Assumptions E19E 0000 H 0000 H 03E8 high Danfoss assumes that the installed controller supports the Illustration 7.9 interfaces in this document, and strictly observe all requirements and limitations stipulated in the controller and frequency converter. ® MG18C402 - VLT...

  • Page 84: What The User Should Already Know

    The controllers are set up to communicate on the Modbus network using RTU (Remote Terminal Unit) mode, with each byte in a message containing 2 4-bit hexadecimal characters. The format for each byte is shown in Table 7.12. ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 85: Modbus Rtu Message Structure

    The entire message frame must be transmitted as a continuous stream. If a silent period of more than 1.5 character intervals occurs before completion of the frame, the receiving device flushes the incomplete message and ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 86: Crc Check Field

    Data not valid Data valid Relay 1 off Relay 1 on Relay 2 off Relay 2 on Set up LSB No reversing Reversing Table 7.16 Frequency Converter Control Word (FC Profile) ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 87: How To Control The Frequency Converter

    E.g. Read Modbus Register 1 by writing value 0 in telegram. 7.8.9 How to Control the Frequency Converter This section describes codes which can be used in the function and data fields of a Modbus RTU message. ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 88: Function Codes Supported By Modbus Rtu

    20 characters. If a read request for a parameter is for more characters than the parameter stores, the response is truncated. If the read request for a parameter is for fewer ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 89: Conversion Factor

    Coil addresses start at zero, that is, coil 65 is addressed as 64. Force Data=00 00HEX (OFF) or Example of a request to read coils 33-48 (Status Word) FF 00HEX (ON). from slave device 01. ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 90: Force/Write Multiple Coils (0F Hex)

    (Coils 8-1) Force Data LO 00 (ref.=2000 hex) (Coils 16-9) Error Check (CRC) Table 7.26 Response The normal response returns the slave address, function code, starting address, and quantity of coils forced. ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 91: Preset Single Register (06 Hex)

    No. of registers LO Error Check (CRC) Field Name Example (HEX) Table 7.33 Slave Address Function Register Address HI Register Address LO Preset Data HI Preset Data LO Error Check (CRC) Table 7.31 ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 92: Danfoss Fc Control Profile

    HVAC Basic Drive Design Guide Bit 02, DC brake Bit 02=’0’ leads to DC braking and stop. Set braking 7.11 Danfoss FC Control Profile current and duration in 2-01 DC Brake Current and 2-02 DC Braking Time. 7.11.1 Control Word According to FC Bit 02=’1’...
  • Page 93 Ser. communication, Logic or Logic and is Bit 03=’0’ : The frequency converter is not in fault mode. selected. Bit 03=’1’: The frequency converter trips. To re-establish operation, press [Reset]. ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 94 Bit 12='0’: There is no temporary over temperature on the inverter. Bit 12=’1’: The inverter stops because of over temperature but the unit does not trip and resumes operation once the over temperature stops. ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 95 Par.3-00 set to Reverse Forward (1) -max- +max Par.3-03 Par.3-03 Max reference Max reference 100% (0hex) (4000hex) Par.3-00 set to Forward (0) min-max Par.3-02 Par.3-03 Max reference Min reference Illustration 7.16 ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 96: General Specifications And Troubleshooting

    53.5 66.6 79.2 103.5 128.7 153.0 (3x200-240 V) [A] Intermittent 10.6 14.3 21.8 25.3 36.3 58.9 73.3 87.1 113.9 141.6 168.3 (3x200-240 V) [A] Table 8.1 1) At rated load conditions ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 97: Mains Supply 3X380-480 V Ac

    ® General Specifications and ... HVAC Basic Drive Design Guide 8.1.2 Mains Supply 3x380-480 V AC ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 98 ® General Specifications and ... HVAC Basic Drive Design Guide ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 99: Mains Supply 3X380-480 V Ac

    ® General Specifications and ... HVAC Basic Drive Design Guide 8.1.3 Mains Supply 3x380-480 V AC ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 100 ® General Specifications and ... HVAC Basic Drive Design Guide ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 101: Mains Supply 3X525-600 V Ac

    50.0 67.0 80.9 105.5 (3x525-550 V) Continuous 12.6 15.4 18.9 23.8 28.7 36.4 43.3 58.1 70.0 91.7 (3x551-600 V) Intermittent 13.9 16.9 20.8 26.2 31.6 40.0 47.7 63.9 77.0 100.9 (3x551-600 V) Table 8.6 ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 102: General Specifications

    Voltage level, logic '1' PNP >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 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 103 Min. terminal load on 01-03 (NC), 01-02 (NO) 24 V DC 10 mA, 24 V AC 20 mA Environment according to EN 60664-1 Overvoltage category III/pollution degree 2 1) IEC 60947 parts 4 and 5. ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 104: Acoustic Noise

    Table 8.7 Typical Values Measured at a Distance of 1 m from the Unit RFI filter choke Frame Level [dBA] 57.3 59.5 53.8 63.7 71.5 67.5 (75 kW 71.5 dB) 73.5 62.9 50.2 ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 105: Du/Dt

    1.026 2.801 0,422 1.040 1.971 0,168 0,81 3.857 400 V 5.5 kW 0,239 1.026 3.434 0,328 1,05 2.560 0,168 0,81 3.857 400 V 7.5 kW 0,239 1.026 3.434 0,328 1,05 2.560 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 106 400 V 55 kW 0,468 2,222 0,502 1,048 1,673 400 V 75 kW 0,52 1,212 1,869 0,51 1,272 1,992 0,402 1,108 2,155 400 V 90 kW 0,408 1,288 2,529 0,424 1,368 2,585 ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 107: Derating According To Ambient Temperature And Switching Frequency

    [kHz] Illustration 8.4 400 V IP20 H2 2.2-4.0 kW 110% 100% 110% 100% [kHz] Illustration 8.2 400 V IP20 H1 0.37-1.5 kW [kHz] Illustration 8.5 200 V IP20 H3 3.7 kW ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 108 Illustration 8.7 200 V IP20 H4 5.5-7.5 kW Illustration 8.10 400 V IP20 H5 18.5-22 kW 110% 100% 110% 100% [kHz] [kHz] Illustration 8.8 400 V IP20 H4 11-15 kW Illustration 8.11 200 V IP20 H6 15-18.5 kW ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 109 Illustration 8.13 400 V IP20 H6 45 kW Illustration 8.16 400 V IP20 H7 55-75 kW 110% 110% 100% 100% [kHz] [kHz] Illustration 8.14 600 V IP20 H6 22-30 kW Illustration 8.17 600 V IP20 H7 45-55 kW ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 110 Illustration 8.19 400 V IP20 H8 90 kW Illustration 8.22 600 V IP20 H9 5.5-7.5 kW 110% 110% 100% 100% [kHz] [kHz] Illustration 8.20 600 V IP20 H8 75-90 kW Illustration 8.23 600 V IP20 H10 11-15 kW ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 111 Illustration 8.25 400 V IP54 I3 5.5-7.5 kW 110% 100% 110% 100% 40 C 50 C [kHz] Illustration 8.29 400 V IP54 I6 37 kW [kHz] Illustration 8.26 400 V IP54 I4 11-18.5 kW ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 112 General Specifications and ... HVAC Basic Drive Design Guide 110% 100% [kHz] Illustration 8.30 400 V IP54 I7 45-55 kW 110% 100% [kHz] Illustration 8.31 400 V IP54 I8 75-90 kW ® MG18C402 - VLT is a registered Danfoss trademark...

  • Page 113: Index

    Word..................... 91 Galvanic Isolation................. 36 Controlling Fans And Pumps............12 General Cooling Tower Fan................20 Aspects Of EMC Emissions............31 Aspects Of Harmonics Emission..........34 Specifications.................. 101 Dampers....................18 DANGEROUS VOLTAGE................. 9 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 114 Supply 3x525-600 V AC............... 100 Transfer Of Parameter Settings Between Multiple Frequen- cy Converters..75 Manual PI Adjustment................ 30 Menu Key....................65 Menus....................... 66 Rated Motor Speed................6 RCD......................6, 37 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 115 Throttling Valve..................21 Tuning The Drive Closed Loop Controller........30 Two Finger Initialization..............76 Type Code String.................. 44 UL Compliance..................60 UNINTENDED START................9 Using A Frequency Converter Saves Money....... 15 ® MG18C402 - VLT is a registered Danfoss trademark...
  • Page 116 130R0222 MG18C402 Rev. 2012-03-23 *MG18C402*...

Table of Contents