Danfoss VLT 2800 Design Manual
  1. Manuals
  2. Brands
  3. Danfoss Manuals
  4. Media Converter
  5. VLT 2800
  6. Design manual

Danfoss VLT 2800 Design Manual

Hide thumbs Also See for VLT 2800:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Instruction Manual, Manual
MAKING MODERN LIVING POSSIBLE
Design Guide
®
VLT
2800
www.danfoss.com/drives

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the VLT 2800 and is the answer not in the manual?

Questions and answers

Related Manuals for Danfoss VLT 2800

Summary of Contents for Danfoss VLT 2800

  • Page 1 MAKING MODERN LIVING POSSIBLE Design Guide ® 2800 www.danfoss.com/drives...

  • Page 3: Table Of Contents

    1.11.8 DC Injection Braking 1.11.9 AC-braking 1.11.10 Optimal Braking Using Resistor 1.11.11 Brake Cable 1.11.12 Protective Functions During Installation 1.11.13 Brake Resistors 1.12 LCP Operation 1.12.1 Control Unit 1.12.2 Control Keys MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 4 3.1.9 EMC Filter for Long Motor Cables 3.2 Mechanical Installation 3.3 Electrical Installation 3.3.1 High Voltage Warning 3.3.2 Grounding 3.3.3 Cables 3.3.4 Screened/armoured Cables 3.3.5 Extra Protection 3.3.6 High Voltage Test 3.3.7 EMC-correct Electrical Installation Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 5 3.5.9 Connection of Mechanical Brake 3.5.10 Counter Stop Through Terminal 33 3.5.11 Use of Internal PID-Controller - Closed Loop Process Control 4 Programming 4.1 Operation & Display 4.2 Load and Motor MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 6 5.1.13 Derating for High Switching Frequency 5.1.14 Vibration and Shock 5.1.15 Air Humidity 5.1.16 UL Standard 5.1.17 Efficiency 5.1.18 Mains Supply Interference/Harmonics 5.1.19 Power Factor 5.1.20 Generic EMC Standards / Product Standards Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 7 5.2.3 Warning Words, Extended Status Words and Alarm Words 5.3 General Technical Data 5.4 Mains Supply 5.4.1 Mains Supply 1x220-240 V/3x200-240 V 5.4.2 Mains Supply 3x380-480 V 5.5 Parameter List with Factory Settings Index MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 8: Introduction To Vlt 2800

    DC voltage into variable AC • voltage with a variable frequency. Protection against Electrical Hazards 1.3 Document and Software Version Edition Remarks Software version MG27E4 Replaces MG27E3 3.2X Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 9: Approvals And Certifications

    To protect the frequency converter from overheating, install a thermistor and As all 400 V units in the VLT 2800 Series have intermediate connect it to the thermistor input (digital input) of the circuit coils, there is only a low amount of harmonic mains frequency converter.

  • Page 10: Disposal

    The directive applies to all electrical equipment and appliances used in the 50-1000 V AC and the 75-1500 V DC voltage ranges. Danfoss CE labels in accordance with the directive and issues a declaration of conformity upon request.

  • Page 11: Selecting The Correct Frequency Converter

    1.7 Selecting the Correct Frequency Converter 1.7.1 Introduction This section explains how to specify and order a VLT 2800. The frequency converter must be selected on the basis of the present motor current at maximum loading of the unit. The frequency converter's rated output current I must be equal to or greater than the required motor current.

  • Page 12: Enclosure

    VLT 2800 is available with or without an integral 1A RFI- filter. The integral 1A RFI filter complies with EMC An LCP 2 control panel to be connected via a plug to the standards EN 55011-1A.

  • Page 13: Fc Protocol

    To comply with EN55011-1A, the EMC filter for long motor The protocol standard is based on an RS-485 bus system cables can only be fitted to a VLT 2800 with integral 1A with a maximum transmission speed of 9600 baud. The filter (R1 option).

  • Page 14: Rfi 1B Filter

    Minimum distance above and below RFI 1B 100 mm To comply with EN 55011-1B, the RFI 1B filter module must filter be fitted together with a VLT 2800 with integral 1A RFI Mounting Vertical mounting filter. only Dimensions HxWxD (mm)

  • Page 15: Rfi 1B/Lc Filter

    To comply with EN 55011-1B, the RFI 1B filter module must is activated if an overtemperature arises. The frequency be fitted to a VLT 2800 with integral 1A RFI filter. converter can be programmed to stop the motor and activate an alarm via a relay output or a digital output if NOTICE the thermistor is activated.
  • Page 16 HxWxD (mm) Dimensions 195N3101 9.1 A 267.5x90x168 HxWxD (mm) Weight 195N3100 4.0 A 2.4 kg Weight 195N3101 9.1 A 4.0 kg Table 1.6 Technical Data for VLT 2803–2875 RFI 1B/LC filter Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 17: Order Form

    2800 frequency converter. Use Illustration 1.8 to create a type code string for the desired configuration. A dedicated drive configurator is available at www.danfoss.com/drives. It is recommended to use the configurator to get the specific ordering number. B 2 0...

  • Page 18: Pc Software

    1.9 PC Software MCT 10 Set-up Software All frequency converters are equipped with a serial communication port. Danfoss provides a PC tool for communication between PC and frequency converter, VLT Motion Control Tool MCT 10 Set-up Software. MCT 10 Set-up Softwarehas been designed as an easy-to- use interactive tool for setting parameters in the frequency converters.

  • Page 19: Accessories For Vlt 2800

    • The heat generated during braking can be diverted outside the panel cabinet, where the With the VLT 2800, the dynamic braking quality in an energy can possibly be utilised. application can be improved in 2 ways, either with brake •...

  • Page 20: Brake Set-Up

    WARNING η = 0.98 Ensure that the brake resistance can manage a voltage of 850 V or 430 V, if Danfoss brake resistors are not b, max being used. Incompatible brake resistance could result in equipment damage and/or personal injury.

  • Page 21: Calculation Of Peak Power Of Brake Resistor

    Use parameter 144 Gain AC brake in = The braking time in seconds. VLT 2800 to adjust the size of the generator torque that can be applied to the motor without the intermediate Danfoss sells brake resistors with variable duty-cycles up to circuit voltage exceeding the warning level.

  • Page 22: Optimal Braking Using Resistor

    Illustration 1.11. cabinet with cable clamps. NOTICE If Danfoss brake resistors are not used, there is a risk of equipment damage. In this case, ensure the brake resistor that is used in induction-free. 1.11.12 Protective Functions During...
  • Page 23 Design Guide Illustration 1.12 Frequency Converter with Brake Resistor and Thermal Switch Some of the Danfoss brake resistors contain a thermal switch (see chapter 1.11.13 Brake Resistors). This switch is NC (normally closed) and can be used e.g. coasting stop reverse between terminal 12 and 27.

  • Page 24: Brake Resistors

    0.57 175U3336 2875 (400 V) 0.68 175U3337 2880 (400 V) 175U3338 2881 (400 V) 175U3339 2882 (400 V) 18.5 175U3340 Table 1.9 Brake Resistors - Horisontal Braking - 10% Duty Cycle Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 25: Lcp Operation

    Most of the frequency converter's parameter set-ups can be changed immediately via the control panel, unless this function has been programmed as [1] Locked via parameter 018 Lock for data changes. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 26: Manual Initialisation

    The display shows that the setting in parameter 102 Motor • Parameter 205 Maximum reference Ref power P is 0.75. To change the value of 0.75, press • Parameter 207 Ramp-up time Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 27: Hand Auto

    Press [Change Data] in display mode to switch the mode of the frequency converter. Illustration 1.20 Mode Switch Scroll up/down to switch to Hand mode. Illustration 1.21 Switch to Hand Mode MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 28: Lcp 2 Control Unit

    3 operating modes. During programming, all information needed for quick, efficient parameter set-up of the frequency converter is displayed. As a supplement to the display, there are 3 indicator lights Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 29: Indicator Lights

    Local operation (LOCAL) or Remote operation (REMOTE) via parameter 002 Local/Remote Operation, with the exception of [Fwd/Rev], which is only active in local control. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 30: Displayed Data Items

    Status word [hex] Heat sink temperature [°C] Alarm word [hex] Control word [hex] Warning word [hex] Extended status word [hex] Analog input 53 Analog input 60 [mA] Table 1.11 Operating Data Items Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 31: Parameter Set-Up

    207 Ramp-up time the Menu mode and in the Quick Menu mode. 208 Ramp-down time 002 Local/remote operation [Hz] 003 Local reference Table 1.12 Parameters and Positions MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 32: Parameter Selection

    4. The selected digit is indicated by the digit flashing. The bottom display line shows the data value that is entered (saved) when signing off with [OK]. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 33: Manual Initialisation

    601 Hours run • parameter 602 kWh counter • parameter 603 Number of power-ups • parameter 604 Number of overtemperatures • parameter 605 Number of overvoltages • parameter 615-617 Fault log MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 34: Safety

    Leakage currents exceed 3.5 mA. Failure to ground the frequency converter properly can result in death or serious injury. • Ensure the correct grounding of the equipment by a certified electrical installer. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 35 For details about the use of the frequency converter on isolated mains, refer to section RFI Switch in the Design Guide. Follow the recommendations regarding the installation on IT-mains. Use relevant monitoring devices for IT- mains to avoid damage. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 36: Installation

    VLT 2822-2840 380-480 V 3.1.3 Enclosure C Illustration 3.1 VLT 2803-2815 200-240 V VLT 2805-2815 380-480 V Illustration 3.3 VLT 2822 220-240 V, PD2 VLT 2840 200-240 V VLT 2855-2875 380-480 V Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 37: Enclosure D

    Illustration 3.7 shows the dimensions for NEMA 1 terminal covers for VLT 2803-2875. Dimension a depends on the unit type. Illustration 3.5 Motor Coils (195N3110) Illustration 3.7 Dimensions for NEMA 1 Terminal Cover MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 38: Ip21 Solution

    VLT 2822 PD2 VLT 2855-2875 380-480 V Illustration 3.8 NEMA 1 Terminal Cover VLT 2880-2882 380-480 V 195N2126 VLT 2840 PD2 3.1.8 IP21 Solution Table 3.1 Dimensions Illustration 3.9 IP21 Solution Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 39: Emc Filter For Long Motor Cables

    Installation Design Guide 3.1.9 EMC Filter for Long Motor Cables Illustration 3.11 192H4719 Illustration 3.12 192H4720 MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 40: Mechanical Installation

    See chapter 5.1.8 Derating for Ambient Temperature. The service life of the frequency converter may be reduced if no allowance is made for the derating for ambient temperature. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 41: Electrical Installation

    Installation Design Guide 3.3 Electrical Installation Side-by-side installation All VLT 2800 units can be installed side-by-side and in any 3.3.1 High Voltage Warning position, as the units do not require ventilation on the side. WARNING The voltage of the frequency converter is dangerous whenever the equipment is connected to mains.

  • Page 42: Screened/Armoured Cables

    Performing such a test may lead to equipment damage and personal injuries. The terminals are protected against direct hazardous access through barriers. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 43: Emc-Correct Electrical Installation

    Illustration 3.17 shows EMC-correct electrical installation, in which the frequency converter has been fitted in an installation cabinet and connected to a PLC. Illustration 3.17 Example of an EMC-correct Electrical Installation MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 44: Use Of Emc Compliant Cables

    Screen coverage, i.e. the physical area of the cable covered by the screen. Is often stated as a percentage and should be no less than 85%. • The screen type, i.e. braided or twisted pattern. A braided pattern or closed pipe is recommended. Illustration 3.18 Cable Comparison Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 45: Grounding Of Screened/Armoured Control Cables

    This problem is resolved by attaching one end of the screen to the ground via a 100 nF capacitor (short pin length). Illustration 3.19 Grounding Examples MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 46: Electrical Wiring

    Installation Design Guide 3.3.10 Electrical Wiring Illustration 3.20 Electrical Wiring Diagram * Integrated 1A RFI filter is an option. ** VLT 2803-2815 200-240 V is not supplied with intermediate circuit coils. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 47: Electrical Connection

    Installation Design Guide 3.3.11 Electrical Connection Illustration 3.22 VLT 2803-2815 200-240 V 2805-2815 380-480 V Illustration 3.21 Electrical Connection See also the section chapter 3.4.9 Brake Connection. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 48 Installation Design Guide Illustration 3.24 VLT 2840 200-240 V VLT 2822 PD2 2855-2875 380-480 V Illustration 3.23 VLT 2822 200-240 V 2822-2840 380-480 V Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 49: Terminals

    Failure to fit the safety clamp could result in equipment damage. Illustration 3.25 VLT 2880-2882 380-480 V VLT 2840 PD2 NOTICE The units are supplied with 2 bottom plates; one for metric glands and one for conduits. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 50: Pre-Fuses

    Connect the motor to terminals 96, 97, 98. Connect ground No. 95 Ground connection to terminal 99. Table 3.5 Mains Connection - 3x380-480 V See chapter 5.3 General Technical Data for correct dimensioning of cable cross-section. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 51: Direction Of Motor Rotation

    Also refer to the application note VLT on IT mains. It is important to use isolation monitors that are capable for use together with power electronics (IEC 61557-8). MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 52: Parallel Connection Of Motors

    101 Torque characteristic must be set to [8] Special motor cabinet of the frequency converter and to the metal characteristics when motors are connected in parallel. cabinet of the brake resistor with cable clamps. Dimension Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 53: Ground Connection

    Voltage can be over 850 V DC between terminal 88 and 89. Incorrect installation of the motor, frequency converter or fieldbus may cause death, serious injury or equipment damage. • Comply with the instructions in this manual, as well as national and local rules and safety regulations. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 54: Tightening Torque For Power Terminals

    (use the instructions for the unit in question). In connection with very long control cables and analog signals, 50/60 Hz ground loops may occur because Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 55 100 nF capacitor between the screen and connection, it may be necessary to break the screen and the chassis. Illustration 3.33 Control Cables Tightening Torques for Control Cables Connect control wires with a tightening torque of 0.22-0.25 MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 56: Control Terminals

    Frame for terminals 67, 68 and 69. Normally this terminal is not to be used. Table 3.8 Functions of Control Terminals 1) The terminals are not valid for DeviceNet/CANopen. See DeviceNet Manual for further details. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 57: Relay Connection

    1 and 2 must be ON. On the remaining frequency converters, switches 1 and 2 must be OFF. Switches 3 and 4 are not applied. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 58: Sub D Plug

    Parameter 302 Digital input=[8] Pulse start • Parameter 303 Digital input=[6] Stop inverted • Parameter 304 Digital input=[2] Coasting stop inverted • Parameter 305 Digital input=[13] Jog Illustration 3.38 Pulse Start/Stop Connection Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 59: Speed Up/Down

    Parameter 314 Analog input=[1] Reference • Parameter 309 Terminal 60, min. scaling=4 mA Illustration 3.40 Potentiometer Reference • Parameter 310 Teminal 60, max. scaling=20 mA Illustration 3.42 4-20 mA Reference Connection MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 60: 50 Hz Counter-Clockwise To 50 Hz Clockwise

    Parameter 304 Digital input=[2] Coasting stop combinations of preset references. inverted • Parameter 308 Analogue input=[1] Reference • Parameter 309 Terminal 53, min. scaling=0 V • Parameter 310 Terminal 53, max. scaling=10 V Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 61: Connection Of Mechanical Brake

    Parameter 101 Torque characteristic= [3] Variable torque medium • If used with centrifugal pumps and fans. • Parameter 308 Terminal 53, analog input voltage= [2] Feedback (for 0-10 V DC transmitters) or MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 62 In certain cases it might be necessary to optimise the PID-controllerr (Parameter 440 Proces PID proportioanl gain, Parameter 441 Process PID integration time and Parameter 442 Process PID Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 63: Programming

    013 Local control is set at [1] Local control and open loop or [3] Local control as parameter 100. Parameter 200 Output frequency range is set at [1] Both directions. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 64 Select [1] Upload all parameters to transfer all parameter Setup 1 in parameter 004 Active Setup. values to the control panel. Select [2] Download all parameters if all parameter values transferred are to be Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 65 Power [HP] gives the present power that the motor is (Digital input[bin]) [16] absorbing in HP. Analog input 53 [V] Motor voltage [V] gives the voltage supplied to the motor. (analog input 53 [V]) [17] MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 66 [1] Local control and open loop; however, the that is to be displayed in the LCP control unit display, line 1, position 1. This is a useful function, e.g. when setting Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 67 If [0] Not active is selected, the motor cannot be stopped with the [STOP]-key. Failure to stop the frequency converter immediately can lead to equipment damage or personal injury in some cases. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 68 Menu. Press [+]/[-] to scroll between the index numbers. Select Index 1. Press [<]/[>] to scroll between the 3 figures. Press the [<] key once ad the last number in the Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 69 NOTICE Parameter 025 Quick Menu setup can only be set using an LCP 2 control panel. See chapter 1.8 Order Form for information about LCP 2 control panel. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 70: Load And Motor

    Load and slip compensation are not active if variable Variable torque low torque or special motor mode have been selected. (torque: low) Variable torque medium (torque: med) Variable torque high (torque: high) Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 71 Parameter 107 Automatic motor tuning is set at value [2] Optimisation on. A START signal is given and parameter 107 Automatic motor tuning is reset to [0] Optimisation off when AMT has been completed. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 72 The resonance filter is active from 10% of nominal speed measurements: R can be calculated by and above. In this case 5Hz and above. Speed to go from 0 to nominal flux level: 500ms Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 73 If the reference signal equals 0, the output frequency equals 0 Hz, while the output voltage corresponds to the setting in parameter 131 Voltage at start. If the reference signal is different from zero, the MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 74 The frequency converter can monitor the motor parameter 132 DC brake voltage DC brake voltage can be temperature in 2 different ways: preset from 0-100%. Max. DC brake voltage depends on the motor data selected. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 75 This function cannot protect the individual motors in the voltage is active for the time set in Parameter 126 DC brake case of motors linked in parallel. time sets the duration during which the DC brake voltage is active. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 76 DC hold voltage, which depends on the choice of WARNING motor. If this value is set too high, the frequency converter may cut out because of overcurrent. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 77 The current cannot be read out from the display. • Use the factory settings of X which the frequency converter itself chooses on the basis of the motor nameplate data. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 78 This enables repetitive precision when stopping to be improved. Select [0] Off for example for lifting/ lowering operations or synchronous motors. It is an advantage that the motor and the frequency converter are always synchronised. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 79: References & Limits

    . Select [25] External reference, % in parameters 009-012 Display readout if a readout is desired. It is possible to have both references and external references simultaneously. In parameter 214 Reference MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 80 If [1]/[3] Closed possible value of the total of all references. If [1] Speed loop is selected in parameter 100 Configuration the regulation, closed loop or [3] Process regulation, closed loop Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 81 Illustration 4.8 Ramp Type and Acceleration Process ) to 0 Hz, provided no overvoltage arises in the inverter because of generating operation of the motor. Description of choice: Set the required ramp-down time. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 82 Relative in parameter 214 Reference function. The formula 221 Current limit I for the calculation of the resulting reference is described in chapter 5 All about VLT 2800. Also see Illustration 4.7 for more details. The following parameters are preset:...
  • Page 83 ), added If Catch up is active via a digital input, the percentage to the other external references. value in parameter 219 Catch up/Slow down reference is added to the remote-controlled reference. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 84 The warning functions are activated when the output frequency has reached the resulting reference. The signal outputs can be programmed to give a warning signal via terminal 46 and via the relay output. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 85 The warning functions are activated when the output frequency has reached the resulting reference. The signal outputs can be programmed to give a warning signal via terminal 46 and via the relay MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 86: Inputs And Outputs

    1 All functions on terminals 18 and 19 are controlled by an interrupter, which means that the repetitive accuracy of the response time is constant. Can be used for start/stop, set-up switch and especially for changing digital preset, i.e. to obtain a reproducable stop point when using creep speed. For further information, see VLT 2800 Precise Stop Instruction. Function: Reset resets the frequency converter after an alarm;...
  • Page 87 18. Is not active Reduce by % value for Process regulation, closed loop. See also chapter 4.3.1 Output frequency range parameter 200. Table 4.4 Slow-down and Catch-up Functions MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 88 Pulse counter start is used to start a counter stop sequence with a pulse signal. The pulse width must at least be 14 ms and not longer than the count period. See also parameter 343 Precise stop function and the VLT 2800  [°C] Precious Stop Instruction.
  • Page 89 315 Terminal 60, min. scaling and parameter 316 parameter 309 Terminal 53, min. scaling, or if a value higher Terminal 60, max. scaling. than 2 mA has been selected in parameter 315 Terminal 60, min. scaling. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 90 0-20 mA Running, no warnings (0-Pnom = 0-20 mA) (RUNNING/NO WARNING) Output power 0-P 4-20 mA Running in reference range, no warnings (0-Pnom = 4-20 mA) [10] (RUN IN RANGE/ NO WARN) Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 91 Sleep Mode is active of the frequency is lower than 0.1 Hz. output frequency is above 0.1 Hz. Also active during ramp- down. Running in reference, no warning speed according to reference. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 92 - Maximum reference, Ref (parameters routine, thus ensuring a high level of repeat accuracy. 204 Minimum reference, Ref /205 Maximum reference, The selections are a combination of the functions described below. Pulse feedback FB Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 93 The factory setting is 10 ms. This means that it is assumed that the total delay from the Sensor, PLC and other hardware corresponds to this setting. NOTICE Only active for speed-compensated stop. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 94: Special Functions

    If the adjustable frequency drive is to carry out an automatic reset and restart after a trip, select data value [1] Automatic reset x 1, [3] Automatic reset x 3 or [10] Automatic reset x 10. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 95 Description of choice: Set the value to be shown in the display as the minimum /min. (Ft3/min) [32] feedback signal value on the selected feedback input Gal/h (gal/h) [33] /h (Ft3/h) [34] MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 96 Preset a feedback range for both regulators. At the same time, this feedback range limits the potential reference The VLT 2800 has 2 integrated PID regulators, one to range so that if the sum of all references lies outside the regulate speed and one to regulate processes.
  • Page 97 1.6 Hz. The appropriate time constant is selected in speed regulation in parameter 421 Speed PID lowpass filter time and in process regulation in parameter 444 Process PID lowpass filter time. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 98 Quick regulation is obtained through a short integral time. Select the required gain limit. However, if this time is too short, it can make the process unstable. If the integral time is long, major deviations from Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 99 If a time constant (t) of 100 ms is programmed, the cut-off frequency for the lowpass filter is 1/0.1=10 RAD/s, corresponding to (10/2 x π)=1.6 Hz. The PID regulator then only regulates a feedback signal that varies with a MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 100 Value: Normal (normal) Inverse (inverse) Function: Select whether the process regulator is to increase/ decrease the output frequency if there is a deviation between the reference/setpoint and the actual process mode. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 101 202 Output frequency, high limit, f Description of choice: Select [0] Disable if this function is not required. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 102 Should only be used if there are . Values over 100% are used if the set point variations problems with overvoltage in the intermediate circuit. are only small. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 103: Enhanced Sleep Mode

    If [0] Linear is selected, the feedback signal and the feedback value is proportional. If [1] Square root is selected, the frequency converter translates the feedback signal to a squared feedback value. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 104 • Improved energy savings with enhanced sleep mode. • Minimised risk of bacterial growth in drinking water because of insufficient motor cooling. • Easy commissioning. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 105 416 Process units. entered in parameter 466 Minimum pump frequency. Description of choice: Enter the no/low flow power reading at maximum pump frequency entered in parameter 466 Minimum pump frequency. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 106 (parameter 100 Configuration). • Parameter 485 Fill Rate is not 0 • Parameter 437 Process PID normal/inverse control is set to normal Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 107 The fill mode is also beneficial when bringing the motor to a stop as it prevents sudden changes in pressure and flow which could also cause a water hammer. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 108: Serial Communication

    (LGE) and a byte that denotes the address of the To select Danfoss FC protocol, set parameter 512 Telegram frequency converter (ADR). Then follows a number of data Profile to [1] FC protocol.

  • Page 109: Data Character (Byte)

    The slave sends the address byte back unchanged in the response telegram to the master. Example: Illustration 4.27 shows writing to frequency converter address 22 (16H) with address format 1-31: MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 110 PWE block and sent to the slave. If the slave responds to a parameter request (read command), the present parameter value in the PWE block is transferred and returned to the master. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 111 0.1 means that the value transferred is frequency high limit, f multiplied by 0.1. The value 100 is perceived as 10.0. IND=0000 hex =0000 hex HIGH =03E8 hex-Data value 1000, corresponding to 100 Hz, see conversion. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 112: Process Words

    (the output transistors are shut off), so that it coasts to a standstill. Bit 03='1' causes the frequency converter to be able start the motor if the other starting conditions have been fulfilled. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 113 Bit 09=“0” means that ramp 1 is active (parameters 207 Ramp-up time 1/208 Ramp-down time 1). Bit 09=“1” means that ramp 2 (parameters 209 Ramp-up time 2/210 Ramp-down time 2) is active. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 114: Status Word According To Fc Profile

    Bit 04, Not used Bit 04 is not used in the status word. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 115: Control Word According To Fieldbus Profile

    See description in chapter 4.7.6 Control Word According to the slave's (frequency converter) mode. SlaveMaster. FC Protocol. Bit 05, Freeze output frequency See description in chapter 4.7.6 Control Word According to FC Protocol. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 116: Serial Communication Reference

    01, 02 and 10 are set to '1'. Control word = 047F Hex ⇒ Start command. Bit 07, Warning Reference = 2000 Hex ⇒ 50% reference. See description in chapter 4.7.7 Status Word According to FC Profile. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 117: Present Output Frequency

    0 to±32767 (±200%). 16384 (4000 Hex) corresponds to 100%. Output frequency has the following format: 0-16384 (4000 Hex) ≅ 0-100% (Parameter 201 Output frequency low limit-Parameter 202 Output frequency high limit). MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 118: Serial Communication Parameters

    Function: In the case of [2] Logic and the function must also be See function description for parameter 502 Coasting stop. activated via a digital input. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 119 Logic and (LOGIC AND) Logic and (LOGIC AND) Logic or (LOGIC OR) Logic or (LOGIC OR) Function: Function: See function description for parameter 502 Coasting stop. See function description for parameter 502 Coasting stop. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 120 Table 4.34, Table 4.35, Table 4.36, and Table 4.37 show when • [2] Logic and or [3] Logic or. the motor is running clockwise and anti-clockwise when each of the following is selected: Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 121 Jog frequency f can be selected between 0 Hz and f Telegram Profile Value: Profidrive (Profidrive) FC protocol (FC protocol) Function: It is possible to select between 2 different control word profiles. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 122 • stop the motor, • be frozen at parameter 213 Jogging frequency, • be frozen at parameter 202 Output frequency, high limit f • stop and activate a cut out. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 123 Gives the output frequency from the adjustable frequency 100% is the cut-out limit. See also parameter 128 Thermal drive. motor protection. Parameter 519 Frequency x scaling [-]: Parameter 527 Thermal load INV [%]: MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 124 This parameter sets up the frequency converter’s Modbus RTU interface to communicate properly with the master controller. Set the parity (EVEN, ODD, or NO PARITY) to match the setting of the master controller. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 125: Technical Functions

    Fault log: Error code This value can be reset using parameter 618 Reset of kWh Value: counter. [Index 1-10] Error code: 0-99 Range: 0 - depends on unit. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 126 When the [OK] key is activated, the counter is reset to Illustration 4.38 Control Card Test zero. Use the following procedure for the control card test: RESET RUNNING HOURS COUNTER Value: No reset (DO NOT RESET) Reset (RESET COUNTER) Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 127 Parameter 642 Nameplate: Power card identification: Parameter 627 Nameplate: Power section version: Shows the ID number of the unit's power part. Example: Shows the ID number of the unit's power section. 1.15 Example: ID 1.15. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 128 Configure a Profibus control card. The default value depends on the produced unit, also being the maximum obtainable value. This means that a control card only can be downgraded to a lower performance version. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 129: All About Vlt 2800

    Suitable for a high leakage current (300 mA). • TN network with maximum 300 V between phase and ground. See chapter 3.4.10 Ground Connection for further information. • IT network with maximum 400 V between phase and ground. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 130: Extreme Operating Conditions

    An extreme overload may cause the switching frequency If very small motors without phase insulation, paper or to be derated to 3000 Hz. submerged water pumps are used, fit an LC filter after the frequency converter. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 131: Acoustic Noise

    The internal temperature is the actual expression of the degree to which the switching frequency can achieve based on the load, the ambient temperature, the supply voltage and the cable length. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 132: Derating For Air Pressure

    ) or maximum output current (I ) in accordance with the VLT 2800 has a pulse pattern in which it is possible to set diagram in Illustration 5.3: the switching frequency from 3.0- 10.0/14.0 kHz. Derating of output current versus altitude at =maximum 45 °C.

  • Page 133: Vibration And Shock

    In general, the switching frequency does not affect the efficiency of small motors. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 134: Mains Supply Interference/Harmonics

    The lower the power factor, the higher the I for the same kW performance. In addition, a high-power factor indicates that the different harmonic currents are low. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 135: Generic Emc Standards / Product Standards

    50 m 50 m 50 m Table 5.5 EMC Emission Compliance 1) For VLT 2822-2840 3x200-240 V, the same values apply as for the 480 V version with 1A RFI filter. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 136: Emc Immunity

    VDE 0160 class W2 test pulse: Mains transients Simulation of high-energy transients generated by breaks in master fuses, connection to phase advancer batteries and the like. • EN 61000-4-6 (IEC 61000-4-6): RF common mode Simulation of the effect from radio-transmitting equipment connected to connection cables. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 137: Harmonic Current Emission

    These chemical processes MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 138: Display And Messages

    For example, this is possible in parameter 128 The frequency converter shows the calculated output in Motor thermal protection. After a trip, the motor coasts, and kilowatt [kW]. alarm and warning blink on the frequency converter, but if Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 139 Voltage warning low the adjustable frequency drive gives a warning and the motor continues to run unchanged. A voltage warning can occur when the connected mains voltage is too low. Check whether the supply voltage is MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 140 PTC thermistor is correctly connected between terminals Communication fault only occurs in Fieldbus versions. 18, 19, 27 or 29 (digital input) and terminal 50 (+ 10 V Regarding alarm type, refer to information about supply). parameter 953. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 141 ALARM 37-45: Internal fault ALARM 51: AMT Fault regarding nameplate data If one of these failures occurs, contact Danfoss. There is inconsistency between the registered motor data. Alarm 37, internal fault number 0: Communication fault Check the motor data for the relevant set-up.

  • Page 142: Warning Words, Extended Status Words And Alarm Words

    000040 Feedback low 000080 Output current high 000100 Output current low 000200 Output frequency high 000400 Output frequency low 002000 Braking 008000 Out of frequency range Table 5.11 Extended Status Words Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 143: General Technical Data

    Input resistance, R (terminal 33) approx. 2 kΩ All digital inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. See chapter 5.1.1 Galvanic Isolation (PELV) for further information. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 144 Max. error: 0.2% of full scale Resolution on frequency output 10 bit The digital output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. See chapter 5.1.1 Galvanic Isolation (PELV) for further information. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 145 Terminal number 70 Common for terminals 67, 68 and 69 Full galvanic isolation. See chapter 5.1.1 Galvanic Isolation (PELV) for further information. For information about CANopen/DeviceNet units, see VLT 2800 DeviceNet Manual. Relay outputs Number of programmable relay outputs Terminal number, control card (resisitvie and inductive load) 1-3 (break), 1-2 (make) Max.
  • Page 146 EN 61081-2, EN 61800-3, EN 55011 EN 50082-1/2, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN EMC standards, Immunity 61800-3 For more details, see chapter 5.1 Special Conditions. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 147 Monitoring of the intermediate circuit voltage ensures that the frequency converter cuts out if the intermediate circuit voltage is too low or too high. • The frequency converter is protected against ground fault on motor terminals U, V, W. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 148: Mains Supply

    RMS (symmetrical), 500 V maximum. 3) Measured using a 25 m screened/armoured motor cable with a rated load and rated frequency. 4) IP20 is standard for VLT 2805-2875, whereas NEMA 1 is an option. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 149: Mains Supply 3X380-480

    See Table 3.2 for more details. 3) Measured using a 25 m screened/armoured motor cable with a rated load and rated frequency. 4) IP20 is standard for VLT 2805-2875, whereas NEMA 1 is an option. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.

  • Page 150: Parameter List With Factory Settings

    Table 5.17 Data Type frequency converter. See chapter 4.7.4 Data Character (Byte) for further information. Data type Data type shows the type and length of the telegram. Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 151 Brake cut in frequency 3.0 Hz Current, minimum value Leak reactance Depends on motor selected Internal ventilator control Automatic AC brake factor 1.30 Reset voltage vector Table 5.18 Factory Settings for Parameters 100-146 MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 152 Warn. Low Feedback -4000.000 Warn. High Feedback 4000.000 Frequency bypass, bandwidth 0 Hz (OFF) Frequency bypass 1 0.0 Hz Frequency bypass 2 0.0 Hz Table 5.19 Factory Settings for Parameters 200-231 Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 153 Table 5.21 Data Type frequency converter. See chapter 4.7.4 Data Character (Byte) for more information. Data type Data type shows the type and length of the telegram. MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 154 No flow power compensation Dry run time out Dry run interlock timer 30 min. Initial ramp Fill rate Filled setpoint Parameter 414 Minimum feedback, Table 5.22 Factory Settings for Parameters 400-486 Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 155 Data readout: Inverter temperature Data readout: Alarm word Data readout: Control word Data readout: Warning word Data readout: Extended status word Data readout: Pulse count Table 5.23 Factory Settings for Parameters 500-544 MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 156 See chapter 4.7.4 Data Character (Byte) for further information. Data type Data type shows the type and length of the telegram. Data type Description Integer 16 Integer 32 Unsigned 8 Unsigned 16 Unsigned 32 Text string Table 5.25 Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...

  • Page 157: Index

    Fan control....................75 Control panel..................23 FC protocol..................... 11 Control principle..................6 Feedback....................93 Control terminal..................52 Feedback conversion................ 101 Control unit..................10, 23 Feedback handling................96 Control word................110, 113 MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 158 Parameter list..................148 Load sharing..................32, 51 Parameter selection................30 Local control................... 27 Parameter set-up.................. 29 Local reference..................61 PC software tool..................16 Local/remote operation..............61 Peak power of brake resistor............19 Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 159 Relative..................... 81 Telegram profile................. 119 Relay connection.................. 55 Telegram structure................106 Relay output................... 88 Telegram traffic................... 106 Reset function..................92 Terminal cover..................35 Reset voltage vector................76 Thermal motor protection............50, 72 MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 160 Tightening torque for power terminal......... 52 Time-out....................87 Torque characteristic................68 Unintended start................... 32 Variable torque..................68 Vibration and shock................131 Warning and alarm................137 Warning words, extended status words and alarm word... 140 Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402...
  • Page 161 Index Design Guide MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved.
  • Page 162 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