Danfoss VLT AutomationDrive FC 302 Operating Instructions Manual
  1. Manuals
  2. Brands
  3. Danfoss Manuals
  4. DC Drives
  5. VLT AutomationDrive FC 302
  6. Operating instructions manual

Danfoss VLT AutomationDrive FC 302 Operating Instructions Manual

90-315 kw
Hide thumbs Also See for VLT AutomationDrive FC 302:
Table of Contents

Advertisement

Quick Links

Download this manual
MAKING MODERN LIVING POSSIBLE
Operating Instructions
VLT® AutomationDrive FC 302
90–315 kW
www.danfoss.com/drives

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the VLT AutomationDrive FC 302 and is the answer not in the manual?

Questions and answers

Related Manuals for Danfoss VLT AutomationDrive FC 302

Summary of Contents for Danfoss VLT AutomationDrive FC 302

  • Page 1 MAKING MODERN LIVING POSSIBLE Operating Instructions VLT® AutomationDrive FC 302 90–315 kW www.danfoss.com/drives...

  • Page 3: Table Of Contents

    3.5.1 Access 3.5.2 Using Screened Control Cables 3.5.3 Grounding of Screened Control Cables 3.5.4 Control Terminal Types 3.5.5 Wiring to Control Terminals 3.5.6 Control Terminal Functions 3.5.7 Safe Torque Off (STO) MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 4 6.2 Programming Example 6.3 Control Terminal Programming Examples 6.4 International/North American Default Parameter Settings 6.5 Parameter Menu Structure 6.6 Remote Programming with MCT 10 Set-up Software 7 Application Examples 7.1 Introduction Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 5 10 Basic Troubleshooting 11 Specifications 11.1 Power-dependent Specifications 11.2 General Technical Data 11.3 Fuse Tables 11.3.1 Protection 11.3.2 Fuse Selection 11.3.3 Short Circuit Current Rating (SCCR) 11.3.4 Connection Tightening Torques Index MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 6: Introduction

    16 TB5 (IP21/54 only). Terminal block for anti-condensation heater Table 1.1 Legend to Illustration 1.1 and Illustration 1.2 NOTICE For location of TB6 (terminal block for contactor), see chapter 3.4.3.2 Terminal Locations: D5h-D8h. Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 7: Extended Options Cabinets

    4 Start Up and Commissioning provides detailed MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 8: Additional Resources

    Operation and monitoring functions are available as status indications to an outside control system or serial communication network. Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 9: Frame Sizes And Power Ratings

    Normal Overload 400 V 500 V 525 V 690 V Table 1.4 kW Rated Frequency Converters HP High Overload HP Normal Overload 460 V 575 V Table 1.5 HP Rated Frequency Converters MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 10: Safety

    Voltage [V] Power range [kW] Minimum waiting time [min] 3x400 90-250 3x400 110-315 3x500 110-315 3x500 132-355 3x525 75-250 3x525 90-315 3x690 90-250 3x690 110-315 Table 2.1 Discharge Time Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 11: Installation

    The total required air • Mains (power) flow must be calculated so that the appropriate fans can • Frequency converter be selected. • Motor MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 12: Lifting

    IP54 (NEMA 12) Units Consider the following before selecting the final instal- lation site: • Free space for cooling • Access to open the door • Cable entry from the bottom Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 13: Electrical Installation

    Failure to isolate power, motor and control wiring could result in less than optimum frequency converter and associated equipment performance. MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 14 (N RS-485) 69 0 V (PNP) 24 V (NPN) (COM RS-485) 61 33 (D IN) 0 V (PNP) (PNP) = Source (NPN) = Sink 37 (D IN) - option Illustration 3.2 Interconnect Diagram Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 15 Illustration 3.4. If not factory supplied, fuses must Illustration 3.3 Example of Proper Electrical Installation Using be provided by the installer as part of installation. Conduit See maximum fuse ratings in chapter 11.3.1 Protection. MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 16: Grounding Requirements

    • Follow all local and national electrical codes to ground electrical equipment properly • Proper protective earthing for equipment with ground currents higher than 3.5 mA must be Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 17: Grounding Ip20 Enclosures

    Illustration 3.5. Illustration 3.6. Illustration 3.5 Grounding Points for IP20 (Chassis) Enclosures Illustration 3.6 Grounding for IP21/54 Enclosures. MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 18: Motor Connection

    Earth (ground) the cable in accordance with the instructions provided • Torque terminals in accordance with the information provided in chapter 11.3.4 Connection Tightening Torques • Follow motor manufacturer wiring requirements Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 19: Terminal Locations: D1H-D4H

    WITH NUT Illustration 3.7 Terminal Locations D1h SECTION A-A MAINS TERMINALS SECTION B-B MOTOR TERMINALS AND BRAKE BRAKE TERMINALS BRAKE TERMINAL 11.5 MAINS TERMINAL MOTOR TERMINAL Illustration 3.8 Terminal Locations D3h MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 20 MOTOR TERMINALS AND MAINS TERMINALS BRAKE TERMINALS MAINS TERMINAL MOTOR TERMINAL 331.2 211.1 GROUND 168.4 168.4 GROUND GROUND 143.4 143.4 GROUND 4X M10x20 STUD WITH NUT Illustration 3.10 Terminal Locations D2h Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 21 BRAKE / REGEN TERMINAL MAINS TERMINAL 14.8 12.6 MOTOR TERMINAL Illustration 3.11 Terminal Locations D4h [3.7] [4.9] [3.0] [7.5] Front view Side view Illustration 3.12 Load Share and Regeneration Terminals, D4h MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 22: Terminal Locations: D5H-D8H

    Installation Operating Instructions 3.4.3.2 Terminal Locations: D5h-D8h 9 [ ] 0 [ ] Mains Terminals Brake Terminals Motor Terminals Earth/Ground Terminals Illustration 3.13 Terminal Locations, D5h with Disconnect Option Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 23 Installation Operating Instructions 28.6 24.5 20.4 20.1 0 [ ] Mains Terminals Brake Terminals Motor Terminals Earth/Ground Terminals Illustration 3.14 Terminal Locations, D5h with Brake Option MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 24 Installation Operating Instructions 18.0 Mains Terminals TB6 Terminal block for contactor Brake Terminals Motor Terminals Earth/Ground Terminals Illustration 3.15 Terminal Locations, D6h with Contactor Option Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 25 Installation Operating Instructions Brake Terminals TB6 Terminal block for contactor Motor Terminals Earth/Ground Terminals Mains Terminals Illustration 3.16 Terminal Locations, D6h with Contactor and Disconnect Options MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 26 Installation Operating Instructions 18.4 Mains Terminals Brake Terminals Motor Terminals Earth/Ground Terminals Illustration 3.17 Terminal Locations, D6h with Circuit Breaker Option Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 27 Installation Operating Instructions 21.4 20.3 16.2 15.6 14.7 0 [ ] Mains Terminals Motor Terminals Earth/Ground Terminals Brake Terminals Illustration 3.18 Terminal Locations, D7h with Disconnect Option MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 28 Operating Instructions 1260 49.6 1202 47.3 1082 42.6 1034 40.7 1009 39.7 0 [ ] Mains Terminals Brake Terminals Motor Terminals Earth/Ground Terminals Illustration 3.19 Terminal Locations, D7h with Brake Option Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 29 15.8 14.9 0 [ ] 1 TB6 Terminal block for contactor 4 Brake Terminals 2 Motor Terminals 5 Mains Terminals 3 Earth/Ground Terminals Illustration 3.20 Terminal Locations, D8h with Contactor Option MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 30 Operating Instructions 22.3 1 TB6 Terminal block for contactor 4 Motor Terminals 2 Mains Terminals 5 Earth/Ground Terminals 3 Brake Terminals Illustration 3.21 Terminal Locations, D8h with Contactor and Disconnect Options Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 31 Installation Operating Instructions 23.8 1 Mains Terminals 3 Motor Terminals 2 Brake Terminals 4 Earth/Ground Terminals Illustration 3.22 Terminal Locations, D8h with Circuit Breaker Option MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 32: Motor Cable

    • If the frequency converter is connected to a thermistor, for PELV isolation, optional thermistor control wiring must be reinforced/double insulated. A 24 V DC supply voltage is recommended. Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 33: Access

    Twin layer of braided copper wire with a Min. 16 mm magnetic, screened/armoured intermediate layer Equalizing cable Cable that runs in copper tube or steel tube Illustration 3.25 Correct Screening Lead cable with 1.1 mm wall thickness MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 34: Control Terminal Types

    Also provided are two Form C relay outputs that are located on the power card • Some options available for ordering with the unit may provide additional terminals. See the manual provided with the equipment option Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 35: Wiring To Control Terminals

    • closed loop set in 16-63 Terminal 54 Switch Setting Terminal 53 default is for a speed reference signal in open loop set in 16-61 Terminal 53 Switch Setting MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 36: Safe Torque Off (Sto)

    (ground), for example with a cable clamp or a conductive cable gland. It may be necessary to apply potential- equalizing cables to maintain the same earth (ground) Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 37: Anti-Condensation Heater

    ABB T6L600TW N200T7–N315T7 ABB OT600U03 N200T5 ABB T6LQ600TW Table 3.6 Mains Disconnect Types N250T5 ABB T6LQ800TW 525–690 N55KT7–N132T7 ABB T5L400TW N160T7–N250T7 ABB T6L600TW N315T7 ABB T6LQ600TW Table 3.8 Circuit Breaker Types MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 38: Start Up And Commissioning

    Ensure that all switch and disconnect settings are in the proper positions • Vibration Check that the unit is mounted solidly or that shock mounts are used, as necessary • Check for an unusual amount of vibration Table 4.1 Start-up Checklist Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 39: Applying Power

    LCP. Enter data with power ON, but before operating the frequency converter. There are 2 ways of programming the frequency converter: either by using the Smart Application MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 40: Local-Control Test

    Increase the ramp-down time in 3-42 Ramp 1 3-02 Minimum Reference Ramp Down Time. 3-03 Maximum Reference • Enable overvoltage control in 2-17 Over-voltage 3-41 Ramp 1 Ramp Up Time Control. Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 41: System Start Up

    Apply an external run command. Adjust the speed reference throughout the speed range. Remove the external run command. Note any problem. If warnings or alarms occur, see chapter 9 Warnings and Alarms. MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 42: User Interface

    Navigation keys for programming functions, moving the display cursor, and speed control in local operation. The status indicator lights are also in this group. Operational mode keys and reset. Table 5.1 Legend to Illustration 5.1 Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 43: Setting Lcp Display Values

    Table 5.2 Function Description Menu Keys 5.1.4 Navigation Keys Navigation keys are used for programming functions and moving the display cursor. The navigation keys also provide speed control in local (hand) operation. There are MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 44: Operation Keys

    • text is displayed. Initialisation of the frequency converter to restore factory default settings does not change data Table 5.4 Indicator Lights Functions stored in the LCP memory Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 45: Uploading Data To The Lcp

    Initialisation can be carried out through 14-22 Operation Mode or manually. • Initialisation using 14-22 Operation Mode does not change frequency converter data such as operating hours, serial communication selections, MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 46: Programming

    0 Hz). using the navigation keys to scroll to the titles and press [OK] after each action. 14.7% 0.00A 1(1) Analog Reference Q3-21 3-02 Minimum Reference 0.000 Hz Illustration 6.4 Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 47 Hz. (This tells the frequency converter that the 0-10V minimum voltage received on terminal 53 (0 V) equals 20 Hz output). Illustration 6.10 Wiring Example for External Device Providing 0-10 V Control Signal MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 48: Control Terminal Programming Examples

    Scroll to 5-10 Terminal 18 Digital Input. Press [OK] Value to access function choices. The default setting 6-50 Terminal 42 Speed 0-HighLim Speed 4-20 mA Start is shown. Output 14-20 Reset Mode Manual reset Infinite auto reset Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 49: Parameter Menu Structure

    • Press and hold [Main Menu] to enter a parameter number for direct access to that parameter • Details for common application set ups are provided in chapter 7 Application Examples MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 50 Programming Operating Instructions Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 51 Programming Operating Instructions MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 52 Programming Operating Instructions Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 53 Programming Operating Instructions MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 54: Remote Programming With Mct 10 Set-Up Software

    Operating Instructions 6.6 Remote Programming with MCT 10 Set- up Software Danfoss has a software program available for developing, storing, and transferring frequency converter programming. The MCT 10 Set-up Software allows the user to connect a PC to the frequency converter and perform live programming rather than using the LCP.

  • Page 55: Application Examples

    A OUT *=Default Value +10 V Notes/comments: A IN A IN A OUT -10 - +10V Table 7.1 AMA with T27 Connected U - I Table 7.3 Analog Speed Reference (Voltage) MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 56 27 is not needed. A IN A IN A OUT Latched Start (18) Stop Inverse (27) Illustration 7.2 Latched Start/Stop Inverse Table 7.5 Start/Stop Command with Safe Torque Off Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 57 D IN +10 V D IN A IN D IN A IN +10 V A OUT A IN A IN A OUT Table 7.8 External Alarm Reset Table 7.10 Speed Up/Down MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 58 Table 7.12 Motor Thermistor Baud rate in the above D IN mentioned parameters. D IN D IN +10 V A IN A IN A OUT RS-485 Table 7.11 RS-485 Network Connection Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 59: Connection Examples For Control Of Motor With External Signal Provider

    Motor with External Signal Provider LCP. NOTICE Table 7.13 Using SLC to Set a Relay The following examples refer only to the frequency converter control card (right LCP), not the filter. MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 60: Start/Stop

    Terminal 27= 5-12 Terminal 27 Digital Input [6] Stop inverse Terminal 37 = Safe torque off Illustration 7.7 Speed Control Parameters Start Stop inverse Safe Stop Speed Start (18) Start (27) Illustration 7.6 Pulse Start/Stop Parameters Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 61: Potentiometer Reference

    Terminal 53, Low Ref./Feedback = 0 RPM Terminal 53, High Ref./Feedback = 1500 RPM Switch S201 = OFF (U) Speed RPM 39 42 53 54 P 6-15 Ref. voltage P 6-11 10V Illustration 7.8 Potentiometer Voltage Reference MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 62: Status Messages

    High. control or reference values from the LCP. Feedback low The sum of all active feedbacks is below the Table 8.2 Reference Site feedback limit set in 4-56 Warning Feedback Low. Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 63 24 V. (parameter group 5–1* Digital Inputs). The motor starts in forward or reverse depending on which corresponding terminal is activated. MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 64 The frequency converter can then be reset manually by pressing [Reset] or remotely by control terminals or serial communication. Table 8.3 Operation Status NOTICE In auto/remote mode, the frequency converter requires external commands to execute functions. Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 65: Warnings And Alarms

    The motor coasts to a Illustration 9.3 Status Indicator Lights stop. The frequency converter logic continues to operate and monitors the frequency converter status. Remove input power to the frequency converter and correct the MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 66: Warning And Alarm Definitions

    4-58 Missing Motor Phase Function Inrush fault Fieldbus communication fault Option Fault Mains failure Phase Imbalance Internal fault Heatsink sensor Overload of Digital Output Terminal 27 5-00 Digital I/O Mode, 5-01 Terminal 27 Mode Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 67 No Safety Option Option Detection Mechanical Brake Sliding Feedback Monitor 17-61 Feedback Signal Monitoring Analog input 54 wrong settings S202 Mixing Fan Fault 14-53 ATEX ETR cur.lim.warning ATEX ETR cur.lim.alarm ATEX ETR freq.lim.warning MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 68: Fault Messages

    A phase is missing on the supply side, or the mains • Perform soft charge circuit test. voltage imbalance is too high. This message also appears for a fault in the input rectifier on the frequency converter. Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 69 50 (+10 V supply). Also check motor or in the motor itself. that the terminal switch for 53 or 54 is set for MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 70 1 = Expected brake feedback not received before time out (Parameters 2-23, 2-25). WARNING/ALARM 28, Brake check failed The brake resistor is not connected or not working. Check 2-15 Brake Check. Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 71 Troubleshooting Check for loose or missing wiring Check for the following conditions. Ambient temperature too high. It may be necessary to contact Danfoss service or the supplier. Note the code number for further trouble- Motor cables too long. shooting directions.
  • Page 72 ALARM 53, AMA motor too big The motor is too big for the AMA to operate. power card and gate drive card. Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 73 The control card and power card are incompatible. To operation, apply 24 V DC to the terminal programmed for check compatibility, contact the Danfoss supplier with the external interlock and reset the frequency converter (via type code of the unit from the nameplate and the part serial communication, digital I/O, or by pressing [Reset]).
  • Page 74 Reset the frequency converter for normal operation. WARNING 251, New typecode The power card or other components have been replaced and the typecode changed. Reset to remove the warning and resume normal operation. Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 75: Basic Troubleshooting

    3-13 Reference Site. Set preset reference active? Terminal reference active in parameter connection correct? Scaling of group 3-1* References. Check for terminals correct? Reference signal correct wiring. Check scaling of available? terminals. Check reference signal. MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 76 Rotate output motor leads one If imbalance leg stays on same converters position: U to V, V to W, W to U. output terminal, it is a problem with the unit. Contact the supplier. Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 77 Change switching pattern and acceptable limit certain frequencies) frequency in parameter group 14-0* Inverter Switching Increase Resonance Dampening in 1-64 Resonance Dampening Table 10.1 Troubleshooting MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.

  • Page 78: Specifications

    0-590 Hz Heatsink overtemperature trip 110 °C Control card ambient trip 75 °C *High overload=150% current for 60 s, Normal overload=110% current for 60 s. Table 11.1 Mains Supply 3x380-500 V AC Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 79 0–590 Hz Heatsink overtemperature trip 110 °C Control card ambient trip 75 °C *High overload=150% current for 60 s, Normal overload=110% current for 60 s. Table 11.2 Mains Supply 3x525-690 V AC MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 80 D1h ratings+disconnect and/or brake chopper 166 (255) D1h ratings+contactor and/or circuit breaker 129 (285) D2h ratings+disconnect and/or brake chopper 200 (440) D2h ratings+contactor and/or circuit breaker 225 (496) Table 11.4 D5h–D8h Weights Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 81: General Technical Data

    1) Terminals 27 and 29 can also be programmed as output. Analog inputs Number of analog inputs Terminal number 53, 54 Modes Voltage or current Mode select Switches A53 and A54 Voltage mode Switch A53/A54=(U) MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 82 Max. output current (sink or source) 40 mA Max. load at frequency output 1 kΩ Max. capacitive load at frequency output 10 nF Minimum output frequency at frequency output 0 Hz Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 83 Control characteristics ±0.003 Hz Resolution of output frequency at 0-1000 Hz ≤2 ms System response time (terminals 18, 19, 27, 29, 32, 33) Speed control range (open loop) 1:100 of synchronous speed MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 84 Monitoring of the intermediate circuit voltage ensures that the frequency converter trips if the intermediate circuit voltage is too low or too high. • The frequency converter is protected against earth (ground) faults on motor terminals U, V, W. Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 85: Fuse Tables

    11.3.2 Fuse Selection Danfoss recommends using the following fuses which will ensure compliance with EN50178. In case of malfunction, not following the recommendation may result in unnecessary damage to the frequency converter.

  • Page 86: Short Circuit Current Rating (Sccr)

    450 A max fuse size for D6h and 900 A max fuse size for D8h. Must use Class J or L branch fuses for UL approval. 450 A max fuse size for D6h and 600 A max fuse size for D8h. Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...

  • Page 87: Index

    Control Card, 24 V DC output............81 Fault Messages..................66 Control Card, RS-485 Serial Communication:......80 Feedback................33, 36, 60, 70 Control card, USB Serial Communication:........82 Floating delta..................30 Control characteristics................ 81 MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 88 Leakage Current (>3.5 mA)............... 14 Open loop................. 33, 44, 81 Lifting......................10 Operation keys..................42 Local control................40, 42, 60 Operation Keys..................42 Local Control Panel................40 Optional equipment............... 6, 37 Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 89 Thermistor control wiring..............30 Restoring Default Settings..............43 Torque...................... 67 Reversing....................55 Torque Characteristics................ 79 RFI filter....................30 Torque for Terminals................84 RMS current....................7 Torque limit.................... 38 RS-485....................34, 56 Transient protection................7 MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 90 Troubleshooting................5, 73 Uploading Data to the LCP............... 43 Using Screened Control Cables............31 Voltage imbalance................66 Voltage reference via a potentiometer........59 Wire Type and Ratings................ 14 Wiring to Control Terminals............. 33 Danfoss A/S © Rev. 2014-02-20 All rights reserved. MG34U302...
  • Page 91 Index Operating Instructions MG34U302 Danfoss A/S © Rev. 2014-02-20 All rights reserved.
  • Page 92 Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies.

Table of Contents