Danfoss VLT Programming Manual
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Danfoss VLT Programming Manual

Hvac drive
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VLT
®
HVAC Drive Programming Guide
Contents
MG.11.C9.02 - VLT
®
is a registered Danfoss trademark
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Summary of Contents for Danfoss VLT

  • Page 1 Main Menu - Application Functions - Group 22 Main Menu - Time-based Functions - Group 23 Main Menu - Application Functions 2 - Group 24 Main Menu - Cascade Controller - Group 25 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 2: Table Of Contents

    20-** FC Closed Loop 21-** Ext. Closed Loop 22-** Application Functions 23-** Time Based Funtions 24-** Application Functions 2 25-** Cascade Pack Controller 26-** Analog I / O Option MCB 109 Index MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 3: Introduction

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

  • Page 4: Approvals

    HVAC Drive Programming Guide 1.1.2 Approvals 1.1.3 Symbols Symbols used in this guide. Indicates something to be noted by the reader. Indicates a general warning. Indicates a high-voltage warning. Indicates default setting MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 5: Abbreviations

    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 frequency converter VLT,N MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 6 Output Filter Design Guide, MG.90.Nx.yy Brake Resistor Design Guide, MG.90.Ox.yy x = Revision number yy = Language code Danfoss technical literature is available in print from your local Danfoss Sales Office or online at: www.danfoss.com/BusinessAreas/DrivesSolutions/Documentations/Technical+Documentation.htm MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 7: Definitions

    . 1 − 23 × 60 . 1 − 39 Rated motor power (nameplate data in kW or HP). Rated torque (motor). Instantaneous motor voltage. Rated motor voltage (nameplate data). Break-away torque MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 8 Constant torque characteristics used for all applications such as conveyor belts, displacement pumps and cranes. Digital Inputs The digital inputs can be used for controlling various functions of the frequency converter. Digital Outputs MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 9 FC Standard Bus Protocol Includes RS 485 bus with FC protocol or MC protocol. See par. 8-30 Thermistor: A temperature-dependent resistor placed where the temperature is to be monitored (frequency converter or motor). MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 10 In addition, a high power factor indicates that the different harmonic currents are low. The frequency converters' built-in DC coils produce a high power factor, which minimizes the imposed load on the mains supply. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 11 Hoisting applications: The frequency converter functions for controlling mechanical brakes cannot be considered as a primary safety circuit. There must always be a redundancy for controlling external brakes. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 12 Trip Delay at Inverter Fault It is recommended to disable protection mode in hoisting applications (par. 14-26 = 0) MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 13: How To Programme

    Line 1-2: Operator data lines displaying data and variables de- fined or chosen by the user. By pressing the [Status] key, up to one extra line can be added. Status line: Status messages displaying text. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 14 In the example, Speed, Motor current, Motor power and Frequency are selected as variables in the first and second lines. 1.1, 1.2 and 1.3 are shown in small size. 2 is shown in large size. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 15 The On LED is activated when the frequency converter receives power from mains voltage, a DC bus terminal, or an external 24 V supply. At the same time, the back light is on. • Green LED/On: Control section is working. • Yellow LED/Warn.: Indicates a warning. • Flashing Red LED/Alarm: Indicates an alarm. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 16 0-66 For the majority of VLT HVAC Drive applications it is not necessary to access the Main Menu parameters but instead the Quick Menu, Quick Set-up and Function Set-up provides the simplest and quickest access to the typical required parameters.
  • Page 17 The key can be selected as Enable [1] or Disable [0] via par. 0-41 . If no external stop function is selected and the [Off] key is inactive the motor can only be stopped by disconnecting the mains supply. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 18: How To Operate Numeric Lcp (Nlcp)

    If an alarm occurs, the NLCP automatically switches to status mode. A number of alarms can be displayed. Illustration 2.2: Status display example Quick Set-up or Main Menu Mode: Display parameters and parameter settings. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 19 [Hand on] enables control of the frequency converter via the LCP. [Hand on] also starts the motor and it is now possible to enter the motor speed data Enable Disable [Hand on] Key on LCP by means of the arrow keys. The key can be selected as [1] or [0] via par. 0-40 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 20 Press the [OK] key Select “All to LCP” Press the [OK] key All parameter settings are now stored in the LCP indicated by the progress bar. When 100% is reached, press [OK]. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 21: Quick Menu Mode

    - the Quick Menu mode and the Main Menu mode. The latter provides access to all parameters. The former takes the user through a few parameters making it possible to program the majority of VLT HVAC Drive applications.
  • Page 22 Efficient Parameter Set-up for VLT HVAC Drive Applications: The parameters can easily be set up for the vast majority of the VLT HVAC Drive applications only by using the [Quick Setup] option. After pressing [Quick Menu], the different choices in the Quick Menu are listed. See also illustration 6.1 below and tables Q3-1 to Q3-4 in the follow- Function Setups section.
  • Page 23 , is an array, where one may choose between Relay1 [0] or Relay2 [1]. Standard setting is Relay1 [0] with the default choice Alarm [9]. Commonly Used Parameters See the parameter description in the section VLT HVAC Drive Programming Guide, MG.11.CX.YY For a detailed information about settings and programming, please see the x=version number y=language If [No Operation] is selected in par.

  • Page 24: Function Set-Ups

    2.1.6 Function Set-ups The Function set-up provides quick and easy access to all parameters required for the majority of VLT HVAC Drive applications including most VAV and CAV supply and return fans, cooling tower fans, Primary, Secondary and Condenser Water Pumps and other pump, fan and compressor applications.
  • Page 25 Terminal 53 Low Current Par. 5-14 Par. 6-12 Terminal 33 Digital Input Terminal 53 High Current Par. 5-15 Par. 6-13 Terminal 53 Low Ref./Feedb. Value Par. 6-14 Terminal 53 High Ref./Feedb. Value Par. 6-15 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 26 PID Integral Time Par. 20-94 Par. 20-70 Closed Loop Type Par. 20-71 PID Performance PID Output Change Par. 20-72 Minimum Feedback Level Par. 20-73 Maximum Feedback Level Par. 20-74 PID Autotuning Par. 20-79 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 27: Main Menu Mode

    Par. 1-03 Torque Characteristics Flying Start Par. 1-73 VLT HVAC Drive Programming Guide See also for a detailed description of the Function Setups parameter groups. 2.1.7 Main Menu Mode Select the Main Menu mode by pressing the [Main Menu] key. The below read-out appears on the display.
  • Page 28 [ ] navigation keys. The up key increases the value, and the down key decreases the value. Place the cursor on the value you want to save and press [OK]. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 29 Cut off the mains supply and wait until the display turns off. Press [OK] Reconnect the mains supply - the frequency converter is now reset. Select “Initialisation” Operation Mode Normal Operation Change par. 14-22 back to Press [OK] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 30 When you carry out manual initialisation, you also reset serial communication, par. 14-50 and fault log settings. Cascade Controller Removes parameters selected in par. 25-00 After initialization and power cycling, the display will not show any information until after a couple of minutes. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 31: Parameter Description

    Parameters for the frequency converter are grouped into various parameter groups for easy selection of the correct parameters for optimized operation of the frequency converter. The vast majority of VLT HVAC Drive applications can be programmed using the Quick Menu button and selecting the parameters under Quick Setup and Function Setups.

  • Page 32: Main Menu - Operation And Display - Group 0

    Part of Language package 1 [47] Czech Part of Language package 1 [48] Polski Part of Language package 1 [49] Russian Part of Language package 1 [50] Thai Part of Language package 2 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 33 0-05 Local Mode Unit Option: Function: Defines if the local reference unit should be displayed in terms of the motor shaft speed (in RPM/ Hz) or as percent. [0] * As Motor Speed Unit MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 34 The frequency converter has four parameter setups that can be programmed independently of each other. This makes the frequency converter very flexible and able to meet the requirements of many different VLT HVAC Drive system control schemes often saving the cost of external control equipment.
  • Page 35 ‘not changeable during operation’ parameter, e.g. par. 1-30 Stator Resistance (Rs) , in Set-up 2, they will also be changed automatically in Set-up 1. A switch between Set-up 1 and Set- up 2 during operation is now possible. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 36 Enables an individual text string to be written, for display in the LCP or to be read via serial com- munication. [38] Display Text 2 Enables an individual text string to be written, for display in the LCP or to be read via serial com- munication. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 37 Power Filtered [hp] [1630] DC Link Voltage Intermediate circuit voltage in the frequency converter. [1632] Brake Energy /s Present brake power transferred to an external brake resistor. Stated as an instantaneous value. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 38 Main reference value sent with control word via the serial communications network e.g. from the BMS, PLC or other master controller. [1684] Comm. Option STW Extended fieldbus communication option status word. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 39 Paramdb requests in queue [9920] HS Temp. (PC1) [9921] HS Temp. (PC2) [9922] HS Temp. (PC3) [9923] HS Temp. (PC4) [9924] HS Temp. (PC5) [9925] HS Temp. (PC6) [9926] HS Temp. (PC7) MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 40 ® 3 Parameter Description HVAC Drive Programming Guide [9927] HS Temp. (PC8) VLT HVAC Drive Programming Guide, MG.11.CX.YY Please consult the for detailed information. 0-21 Display Line 1.2 Small Select a variable for display in line 1, middle position. Option:...
  • Page 41 Readout [16-09] in par. 0-20 to par. 0-24 [1] * [10] 1/min [11] [12] Pulse/s [20] [21] l/min [22] [23] m³/s [24] m³/min [25] m³/h [30] kg/s [31] kg/min [32] kg/h MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 42 This parameter sets the max value to be shown when the speed of the motor has reached the set 100.00 Cus- Motor Speed High Limit [RPM] Motor Speed High Limit [Hz] tomReadou- value for par. 4-13 or par. 4-14 (depends Motor Speed Unit tUnit* on setting in par. 0-02 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 43 Personal Menu, then define the password in par. 0-65 Personal Menu Password . Otherwise define Main Menu Password the password in par. 0-60 Enabled without OFF Password without OFF Enabled with OFF Password with OFF MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 44 Main Menu Password word in par. 0-60 Enabled without OFF Password without OFF Enabled with OFF Password with OFF 3.2.7 0-5* Copy / Save Copy parameter settings between set-ups and to/from the LCP. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 45 Define the password for access to the My Personal Menu via the [Quick Menu] key. If Access to Personal Menu w/o Password Full access par. 0-66 is set to [0], this parameter will be ignored. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 46 Sets the date format to be used in the LCP. [0] * YYYY-MM-DD [1] * DD-MM-YYYY MM/DD/YYYY 0-72 Time Format Option: Function: Sets the time format to be used in the LCP. [0] * 24 h 12 h MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 47 Array with 15 elements [0] - [14] displayed below parameter number in display. Press OK and step between elements by means of buttons on the LCP. Range: Function: Application [Application dependant] Defines dates for additional working days that normally would be non-working days according to Working Days dependent* par. 0-81 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 48: Main Menu - Load And Motor - Group 1

    Auto Energy Optim. VT [3]: For optimum energy efficient speed control of centrifugal pumps and fans. Provides a voltage which is optimized for a squared torque load characteristic of the motor MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 49 Enter the nominal motor voltage according to the motor nameplate data. The default value corre- dependent* sponds to the nominal rated output of the unit. This parameter cannot be adjusted while the motor is running. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 50 Press [Off] to stop the motor”. Pressing [Off] stops the motor and resets par. 1-28 Motor Rotation Check . If motor rotation direction is incorrect, two motor phase cables should be interchanged. IMPORTANT: Mains power must be removed before disconnecting motor phase cables. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 51 (par. 1-36 Iron Loss Resistance (Rfe) Parameter group 1-3* and parameter group 1-4* cannot be adjusted while the motor is running. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 52 If R is unknown, leave Iron Loss Resistance (Rfe) par. 1-36 on default setting. This parameter cannot be adjusted while the motor is running. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 53 1-50 and par. 1-51 Magnetising [RPM] are inactive. Use this parameter along with par. 1-50 Motor Magnetisation at Zero Speed . See drawing for par. 1-50 Motor Magnetisation at Zero Speed MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 54 Motor size Change-over 0.25 kW - 7.5 kW > 10 Hz 11 kW - 45 kW < 5 Hz 55 kW - 550 kW < 3-4 Hz MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 55 [0] if this function is not required Enable Enabled Select [1] to enable the frequency converter to “catch” and control a spinning motor. 3.3.7 1-8* Stop Adjustments Parameters for setting special stop features for the motor. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 56 (or during a stop) falls below the value in the parameter, the drive will trip with an alarm [A49] Speed Limit. Function at stop. Motor Speed Unit This parameter is only available if par. 0-02 is set to [RPM]. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 57 ETR (Electronic Thermal Relay) functions 1-4 will calculate the load when set-up where they were selected is active. For example ETR-3 starts calculating when set-up 3 is selected. For the North American market: The ETR functions provide class 20 motor overload protection in accordance with NEC. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 58 HVAC Drive Programming Guide In order to maintain PELV, all connections made to the control terminals must be PELV, e.g. thermistor must be reinforced/ double insulated Danfoss recommends using 24 VDC as thermistor supply voltage. 1-91 Motor External Fan Option:...

  • Page 59: Main Menu - Brakes - Group 2

    DC Brake Cut In Speed [RPM] ; when the DC Brake Inverse function is active; or via the serial communication port. The braking current is active during the time period set in par. 2-02 Braking Time MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 60 P resistor × 120 810 2 × For 380 - 500 V units dutytime P resistor × 120 943 2 × For 575 - 600 V units dutytime P resistor × 120 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 61 Remove a warning arising in connection with [0] or [1] by cycling the mains supply. The fault must be corrected first. For Warning [0] or [1], the frequency converter keeps running even if a fault is located. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 62 DC link caused by generative power from the load. Disabled No OVC required. [2] * Enabled Activates OVC. The ramp time is automatically adjusted to avoid tripping of the frequency converter. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 63: Main Menu - Reference/Ramps - Group 3

    Maximum Reference/Feedb. ). When using preset references, select Pre- set ref. bit 0 / 1 / 2 [16], [17] or [18] for the corresponding digital inputs in parameter group 5-1* Digital Inputs. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 64 . This results in the actual reference Z. Actual reference (X) is the sum of the Reference 1 Source Reference 2 Source Reference inputs selected in par. 3-15 , par. 3-16 , par. 3-17 3 Source and par. 8-02 Control Source MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 65 Analog input 53 Analog input 54 Pulse input 29 Pulse input 33 [20] * Digital pot.meter [21] Analog input X30/11 [22] Analog input X30/12 [23] Analog Input X42/1 [24] Analog Input X42/3 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 66 The maximum limit is defined in par. . See also par. 3-80 Jog Ramp Time 3.5.3 3-4* Ramp 1 Configure the ramp parameter, ramping times, for each of the two ramps (par. 3-4* and par. 3-5*). MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 67 Current Limit Ramp 1 Ramp Up Time in par. 4-18 . See ramp-up time in par. 3-41 tdec nnorm par × .1 − 25 .3 − 42 = ref rpm MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 68 Enter the proportion of the total ramp-up time (par. 3-51 ) in which the acceleration torque increases. The larger the percentage value, the greater the jerk compensation achieved, and thus the lower the torque jerks in the application. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 69 (set in Current Limit par. 4-18 ). Quick-stop is activated by means of a signal on a selected digital input, or via the serial communication port. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 70 0 %* [-200 - 200 %] Set the minimum permissible value for the resultant reference. This is advisable if the Digital Po- tentiometer is used for fine tuning of the resulting reference. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 71 With a delay of 0 ms, the reference starts to ramp as soon Ramp Time as INCREASE / DECREASE is activated. See also par. 3-91 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 72: Main Menu - Limits/Warnings - Group 4

    Main Menu and depending on default settings dependant on global location. Switching Frequency Max. output frequency cannot exceed 10% of the inverter switching frequency (par. 14-01 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 73 This absolute limit applies to all configurations and is independent of the setting in par. 1-00 Configuration Mode . This parameter cannot be adjusted while the motor is running. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 74 3.6.3 4-5* Adj. Warnings Define adjustable warning limits for current, speed, reference and feedback. Not visible in display, only in VLT Motion Control Tool, MCT 10. Warnings are shown on display, programmed output or serial bus. 4-50 Warning Current Low...
  • Page 75 Range: Function: Application [Application dependant] Some systems call for avoiding certain output speeds due to resonance problems in the system. dependent* Enter the lower limits of the speeds to be avoided. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 76 Collected speed areas overlapping or not completely determined. Press [Cancel] to abort 4-64 Semi-Auto Bypass Set-up Option: Function: [0] * No function Enabled Starts the Semi-Automatic Bypass set-up and continue with the procedure described above. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 77: Main Menu - Digital In/Out - Group 5

    5-02 Terminal 29 Mode Option: Function: [0] * Input Defines terminal 29 as a digital input. Output Defines terminal 29 as a digital output. This parameter cannot be adjusted while the motor is running. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 78 All = Terminals 18, 19, 27, 29, 32, 33, X30/2, X30/3, X30/4. X30/ are the terminals on MCB 101. Functions dedicated to only one digital input are stated in the associated parameter. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 79 Enables a choice between one of the eight preset references according to the table below. [18] Preset ref bit 2 Enables a choice between one of the eight preset references according to the table below. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 80 To make any other start commands valid, another digital input must be assign to Auto Start Hand On Auto On and a signal applied to this. The buttons on the LCP has no impact. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 81 Same options and functions as par. 5-1* Digital Inputs , except for Pulse input 5-15 Terminal 33 Digital Input Option: Function: [0] * No Operation Same options and functions as par. 5-1* Digital Inputs MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 82 The feedback is above the limit set in par. 4-57 [21] Thermal warning The thermal warning turns on when the temperature exceeds the limit in the motor, the frequency converter, the brake resistor, or the thermistor. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 83 . The input will go high whenever the Smart Logic Action [40] Set dig. out. C high is executed. The input will go low whenever the Smart Logic Action [34] dig. out. C low is executed. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 84 Start Delay Par. 1-71 can be used in order to delay the motor start. The Bypass valve control prin- ciple: MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 85 Same options and functions as par. 5-3*. Option: Function: [0] * No operation 5-31 Terminal 29 Digital Output Same options and functions as par. 5-3*. Option: Function: [0] * No operation MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 86 Reverse [26] Bus OK [27] Torque limit & stop [28] Brake, no brake war [29] Brake ready, no fault [30] Brake fault (IGBT) [35] External Interlock [36] Control word bit 11 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 87 Sleep Mode [194] Broken Belt [195] Bypass Valve Control [196] Fire Mode [197] Fire Mode was Act. [198] Drive Bypass [211] Cascade Pump 1 [212] Cascade Pump 2 [213] Cascade Pump 3 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 88 ) or terminal 33 Terminal 33 Digital Input Pulse input Terminal 29 Mode Input (par. 5-15 ) to [32]. If terminal 29 is used as an input, then set par. 5-02 [0]. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 89 [-999999.999 - 999999.999 N/A] Enter the low reference value [RPM] for the motor shaft speed. This is also the low feedback value, Term. 29 Low Ref./Feedb. Value see also par. 5-52 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 90 [106] Power [107] Speed [108] Torque [109] Max Out Freq [113] Ext. Closed Loop [114] Ext. Closed Loop [115] Ext. Closed Loop Select the operation variable assigned for terminal 27 readouts. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 91 This parameter is active when option module MCB 101 is mounted in the frequency converter. Range: Function: Application [0 - 32000 Hz] dependent* MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 92 Function: 0.00 %* [0.00 - 100.00 %] Contains the frequency to apply to the digital output terminal 6, when it is configured as [Bus Con- trolled Timeout] and time-out is detected. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 93: Main Menu - Analog In/Out - Group 6

    • [3] overruled to jog speed • [4] overruled to max. speed • [5] overruled to stop with subsequent trip [0] * Freeze output Stop Jogging Max. speed Stop and trip MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 94 Live Zero Time-out Function in par. 6-01 6-13 Terminal 53 High Current Range: Function: 20.00 mA* [Application dependant] Enter the high current value corresponding to the high reference/feedback set in par. 6-15 Terminal 53 High Ref./Feedb. Value MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 95 6-23 Terminal 54 High Current Range: Function: 20.00 mA* [Application dependant] Enter the high current value corresponding to the high reference/feedback value set in Terminal 54 High Ref./Feedb. Value par. 6-25 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 96 6-35 Term. X30/11 High Ref./Feedb. Value Range: Function: Terminal 100.000 N/ [-999999.999 - 999999.999 N/A] Sets the analog input scaling value to correspond to the high voltage value (set in par. 6-31 X30/11 High Voltage MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 97 I/O system (e.g. when not part of any frequency converter related control functions, but feeding a Building Management System with data) [0] * Disabled [1] * Enabled MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 98 20-13 Feedb. Maximum Reference Maximum Reference/ - values for maximum reference for open loop is found in par. 3-03 and for closed loop par. 20-14 Feedb. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 99 Output signal 0 or 4 mA is needed at 0% (50% of range) - set par. 6-51 to 50% Terminal 42 Output Max Scale Output signal 20 mA is needed at 100% (75% of range) - set par. 6-52 to 75% MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 100 Analog outputs are current outputs: 0/4 - 20 mA. Common terminal (terminal X30/8) is the same terminal and electrical potential for analog common connection. Resolution on analog output is 12 bit. 6-60 Terminal X30/8 Output Terminal 42 Output Same options and functions as par. 6-50 Option: Function: [0] * No operation MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 101 6-64 Terminal X30/8 Output Timeout Preset Range: Function: 0.00 %* [0.00 - 100.00 %] Contains the value to apply to the output terminal, when it is configured as [Bus Controlled Timeout] and time-out is detected. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 102: Main Menu - Communications And Options - Group 8

    In BACnet the control timeout is only triggered if some specific objects are written. The object list hold information on the objects that triggers the control timeout: Analog Outputs MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 103 Returns the frequency converter to the original set-up following a control word time-out. When the Do reset value is set to [1], the frequency converter performs the reset and then immediately reverts Do not reset to the [0] setting. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 104 If Logic Rule 2 is evaluated as TRUE, the input will go high. Otherwise, it will be low. [73] Logic Rule 3 If Logic Rule 3 is evaluated as TRUE, the input will go high. Otherwise, it will be low. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 105 Protocol selection for the integrated FC (standard) Port (RS485) on the control card. Parameter group 8-7* is only visible when FC Option [9] is chosen. VLT HVAC Drive Design Guide, [0] * Communication according to the FC Protocol as described in the...
  • Page 106 8-36 Maximum Response Delay Range: Function: Application [Application dependant] Specify the maximum permissible delay time between transmitting a request and receiving a re- dependent* sponse. Exceeding this delay time will cause control word time-out. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 107 Digital & Relay Bus Control [593] Pulse Out #27 Bus Control [595] Pulse Out #29 Bus Control [597] Pulse Out #X30/6 Bus Control [653] Terminal 42 Output Bus Control [663] Terminal X30/8 Bus Control MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 108 Select the parameters to be assigned to PCD's of the telegrams. The number of available PCDs depends on the telegram type. PCDs contain the actual data values of the selected parameters. [1472] VLT Alarm Word [1473] VLT Warning Word [1474] VLT Ext. Status Word [1500] Operating Hours [1501] Running Hours [1502] kWh Counter...
  • Page 109 PCD 1 Read from MCO [3422] PCD 2 Read from MCO [3423] PCD 3 Read from MCO [3424] PCD 4 Read from MCO [3425] PCD 5 Read from MCO [3426] PCD 6 Read from MCO MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 110 Select control of the DC brake via the terminals (digital input) and/or via the fieldbus. Digital input Activates Start command via a digital input. Activates Start command via the serial communication port or fieldbus option. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 111 Activates the set-up selection via the serial communication port or fieldbus option. Logic AND Activates the set-up selection via the fieldbus/serial communication port, AND additionally via one of the digital inputs. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 112 [9] 8-73 MS/TP Max Info Frames Range: Function: 1 N/A* [1 - 65534 N/A] Define how many info/data frames the device is allowed to send while holding the token. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 113 [0 - 0 N/A] This parameter shows the number of error telegrams, which could not be executed by the frequency converter. 8-84 Slave Messages Sent Range: Function: 0 N/A* [0 - 0 N/A] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 114 [-200 - 200 N/A] See par. 8-94 for further details. 8-96 Bus Feedback 3 Range: Function: 0 N/A* [-200 - 200 N/A] See par. 8-94 Bus Feedback 1 for further details. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 115: Main Menu - Profibus - Group 9

    Bus Feedback 3 [1680] Fieldbus CTW 1 [1682] Fieldbus REF 1 [2013] Minimum Reference/Feedb. [2014] Maximum Reference/Feedb. [2643] Terminal X42/7 Bus Control [2653] Terminal X42/9 Bus Control [2663] Terminal X42/11 Bus Control MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 116 [1652] Feedback [Unit] [1653] Digi Pot Reference [1654] Feedback 1 [Unit] [1655] Feedback 2 [Unit] [1656] Feedback 3 [Unit] [1660] Digital Input [1661] Terminal 53 Switch Setting [1662] Analog Input 53 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 117 9-18 , the hardware switch must be set to 126 or 127 (i.e. all switches set to ‘on’). Otherwise this parameter will display the actual setting of the switch. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 118 [890] Bus Jog 1 Speed [891] Bus Jog 2 Speed [894] Bus Feedback 1 [895] Bus Feedback 2 [896] Bus Feedback 3 [1500] Operating Hours [1501] Running Hours [1502] kWh Counter MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 119 Pulse Input #33 [Hz] [1669] Pulse Output #27 [Hz] [1670] Pulse Output #29 [Hz] [1671] Relay Output [bin] [1672] Counter A [1673] Counter B [1675] Analog In X30/11 [1676] Analog In X30/12 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 120 Profibus Master class 2. 9-53 Profibus Warning Word Range: Function: Profibus Operating 0 N/A* [0 - 65535 N/A] This parameter displays Profibus communication warnings. Please refer to the Instructions for further information. Read only MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 121 Uses default data. This option can be used as a data source to return the other set-ups to a known state. Set-up 1 Edits Set-up 1. Set-up 2 Edits Set-up 2. Set-up 3 Edits Set-up 3. Set-up 4 Edits Set-up 4. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 122 Array [116] No LCP access Read only Range: Function: 0 N/A* [0 - 9999 N/A] This parameter displays a list of all the defined frequency converter parameters available for Profi- bus. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 123 Array [116] No LCP Address Read only Range: Function: 0 N/A* [0 - 9999 N/A] This parameter displays a list of all the frequency converter parameters deviating from default set- ting. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 124: Main Menu - Can Fieldbus - Group 10

    View the number of CAN control receipt errors since the last power-up. 10-07 Readout Bus Off Counter Range: Function: 0 N/A* [0 - 255 N/A] View the number of Bus Off events since the last power-up. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 125 , par. 10-10 options [2] and [3] are available. Instances 100/150 and 101/151 are Danfoss-specific. Instances 20/70 and 21/71 are ODVA-specific AC Drive profiles. For guidelines in telegram selection, please refer to the DeviceNet Operating Instructions. Note that a change to this parameter will be executed immediately.
  • Page 126 Brake Energy /2 min [1634] Heatsink Temp. [1635] Inverter Thermal [1638] SL Controller State [1639] Control Card Temp. [1650] External Reference [1652] Feedback [Unit] [1653] Digi Pot Reference [1654] Feedback 1 [Unit] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 127 Range: Function: 0 N/A* [0 - 65535 N/A] View a DeviceNet-specific Warning word. One bit is assigned to every warning. Please refer to the DeviceNet Operating Instructions (MG.33.DX.YY) for further information. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 128 Enter the value for COS Filter 3, to set up the filter mask for PCD 3. When operating in COS (Change- Of-State), this function filters out bits in PCD 3 that should not be sent if they change. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 129: Main Menu - Lonworks - Group 11

    11-10 Drive Profile Option: Function: This parameter allows selecting between LONMARK Functional Profiles. [0] * VSD profile The Danfoss Profile and the Node Object are common for all profiles. Pump controller 11-15 LON Warning Word Range: Function: 0 N/A* [0 - 65535 N/A] This parameter contains the LON specific warnings.
  • Page 130 This parameter is used to activate storing of data in non-volatile memory. [0] * Store function is inactive. Store all setups Stores all parameter values in the E PROM. The value returns to when all parameter values have been stored. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 131: Main Menu - Smart Logic - Group 13

    Select the boolean (TRUE or FALSE) input to activate Smart Logic Control. False Enters the fixed value of FALSE in the logic rule. True Enters the fixed value TRUE in the logic rule. Running See parameter group 5-3* for further description. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 132 This event is TRUE if the frequency converter is stopped or coasted by any means (either via digital input, fieldbus or other). [41] Reset Trip This event is TRUE if the frequency converter is tripped (but not trip-locked) and the reset button is pressed. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 133 See parameter group 5-3* for further description. [21] Alarm (trip lock) See parameter group 5-3* for further description. [22] Comparator 0 Use the result of comparator 0 in the logic rule. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 134 Use the result of timer 5 in the logic rule. [73] SL Time-out 6 Use the result of timer 6 in the logic rule. [74] SL Time-out 7 Use the result of timer 7 in the logic rule. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 135 Analog input AI54 [14] Analog input AIFB10 [15] Analog input AIS24V [17] Analog input AICCT [18] Pulse input FI29 [19] Pulse input FI33 [20] Alarm number [30] Counter A [31] Counter B MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 136 13-40 Logic Rule Boolean 1 Array [6] Option: Function: [0] * False Enters the fixed value of FALSE in the logic rule. True Enters the fixed value TRUE in the logic rule. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 137 Digital input DI32 Use the value of DI32 in the logic rule (High = TRUE). [38] Digital input DI33 Use the value of DI33 in the logic rule (High = TRUE). MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 138 Use the result of timer 6 in the logic rule. [74] SL Time-out 7 Use the result of timer 7 in the logic rule. [80] No Flow [81] Dry Pump [82] End of Curve [83] Broken Belt MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 139 Out of feedb. range [14] Below feedb. low [15] Above feedb. high [16] Thermal warning [17] Mains out of range [18] Reversing [19] Warning [20] Alarm (trip) [21] Alarm (trip lock) [22] Comparator 0 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 140 SL Time-out 3 [71] SL Time-out 4 [72] SL Time-out 5 [73] SL Time-out 6 [74] SL Time-out 7 [80] No Flow [81] Dry Pump [82] End of Curve [83] Broken Belt MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 141 Out of feedb. range [14] Below feedb. low [15] Above feedb. high [16] Thermal warning [17] Mains out of range [18] Reversing [19] Warning [20] Alarm (trip) [21] Alarm (trip lock) [22] Comparator 0 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 142 SL Time-out 7 [80] No Flow [81] Dry Pump [82] End of Curve [83] Broken Belt 3.13.6 13-5* States Parameters for programming the Smart Logic Controller. 13-51 SL Controller Event Array [20] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 143 Digital input DI27 [36] Digital input DI29 [37] Digital input DI32 [38] Digital input DI33 [39] Start command [40] Drive stopped [41] Reset Trip [42] Auto Reset Trip [43] OK Key MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 144 [18] Select ramp 1 Selects ramp 1 [19] Select ramp 2 Selects ramp 2 [22] Issues a start command to the frequency converter. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 145 Start Timer 6 Starts timer 6, see par. 13-20 for further description. SL Controller Timer [74] Start Timer 7 Starts timer 7, see par. 13-20 for further description. [80] Sleep Mode MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 146: Main Menu - Special Functions -Group 14

    10-12% in the middle of the over-syncronous range (from 0% at nominal speed rising to approximately 12% at double nominal speed). MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 147 Variable Torque [1] (no automatic energy optimization should be active). Illustration 3.2: Controlled Ramp-down - short mains failure. Ramping down to stop followed by ramping up to reference. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 148 14-11 Mains Voltage at Mains Fault Range: Function: Application [180 - 600 V] This parameter defines the threshold voltage at which the selected function in par. 14-10 Mains dependent* Failure should be activated. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 149 If the number of automatic resets is not reached within 10 minutes, or when a Manual reset is performed, the internal AUTOMATIC RESET counter returns to zero. Automatic reset will also be active for resetting safe stop function. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 150 Replace the frequency converter or control card. The red LED on the control card is turned on. To test the plugs, connect/group the following terminals as shown below: (18 - 27 - 32), (19 - 29 - 33) and (42 - 53 - 54). MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 151 When the current limit is reached during motor operation or regenerative operation, the frequency converter will try to reduce torque below the preset torque limits as quickly as possible without losing control of the motor. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 152 However in some situations it may be necessary to enter a new value to fine-tune. 3.14.7 14-5* Environment These parameters help the frequency converter to operate under special environmental conditions. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 153 Function: Application [Application dependant] Sets the actual number of operating inverter units. dependent* 3.14.8 14-6* Auto Derate This group contains parameters for derating the frequency converter in case of high temperature. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 154 Inv. Overload Derate Current is set e.g. to 95% a steady overload will cause the pump speed to fluctuate between values corresponding to 110% and 95% of rated output current for the frequency converter. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 155: Main Menu - Frequency Converter Information - Group 15

    View the number of frequency converter temperature faults which have occurred. 15-05 Over Volt's Range: Function: 0 N/A* [0 - 65535 N/A] View the number of frequency converter overvoltages which have occurred. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 156 Reference [%] [1603] Status Word [1610] Power [kW] [1611] Power [hp] [1612] Motor Voltage [1613] Frequency [1614] Motor Current [1616] Torque [Nm] [1617] Speed [RPM] [1618] Motor Thermal [1622] Torque [%] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 157 Selects the trigger event. When the trigger event occurs, a window is applied to freeze the log. The log will then retain a specified percentage of samples before the occurrence of the trigger event Samples Before Trigger (par. 15-14 [0] * False True Running MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 158 [0 - 100 N/A] Enter the percentage of all samples prior to a trigger event which are to be retained in the log. See Trigger Event Logging Mode also par. 15-12 and par. 15-13 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 159 15-23 Historic Log: Date and Time Range: Function: Application [Application dependant] Array parameter; Date & Time 0 - 49: This parameter shows at which time the logged event oc- dependent* curred. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 160 View the FC type. The read-out is identical to the frequency converter series power field of the type code definition, characters 11-12. 15-43 Software Version Range: Function: 0 N/A* [0 - 0 N/A] View the combined SW version (or ‘package version’) consisting of power SW and control SW. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 161 Range: Function: 0 N/A* [0 - 0 N/A] View the installed option type. 15-61 Option SW Version Range: Function: 0 N/A* [0 - 0 N/A] View the installed option software version. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 162 3.15.8 15-9* Parameter Info 15-92 Defined Parameters Array [1000] Range: Function: 0 N/A* [0 - 9999 N/A] View a list of all defined parameters in the frequency converter. The list ends with 0. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 163: Main Menu - Data Readouts - Group 16

    16-05 Main Actual Value [%] Range: Function: 0.00 %* [-100.00 - 100.00 %] View the two-byte word sent with the Status word to the bus Master reporting the Main Actual Value. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 164 The value is filtered, and thus approx. 1.3 seconds may pass from when an input changes value to when the data read-out values change. 16-17 Speed [RPM] Range: Function: 0 RPM* [-30000 - 30000 RPM] View the actual motor RPM. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 165 [0.01 - 10000.00 A] View the inverter nominal current, which should match the nameplate data on the connected motor. dependent* The data are used for calculation of torque, motor protection, etc. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 166 Parameters for reporting the reference and feedback input. 16-50 External Reference Range: Function: 0.0 N/A* [-200.0 - 200.0 N/A] View the total reference, the sum of digital, analog, preset, bus and freeze references, plus catch- up and slow-down. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 167 [0.0 - 100.0 %] This parameter returns the Drive Closed Loop PID controller output value in percent. 3.16.7 16-6* Inputs and Outputs Parameters for reporting the digital and analog IO ports. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 168 Pt 1000 [°C] Pt 1000 [°F] Ni 1000 [°C] Ni 1000 [°F] 16-62 Analog Input 53 Range: Function: 0.000 N/A* [-20.000 - 20.000 N/A] View the actual value at input 53. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 169 View the actual value of pulses to terminal 29 in digital output mode. 16-71 Relay Output [bin] Range: Function: 0 N/A* [0 - 511 N/A] View the settings of all relays. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 170 View the two-byte Control word (CTW) received from the Bus-Master. Interpretation of the control word depends on the fieldbus option installed and the Control word profile selected in par. 8-10 Control Profile MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 171 0 N/A* [0 - 4294967295 N/A] Returns the extended warning word 2 sent via the serial communication port in hex code. 16-96 Maintenance Word Range: Function: 0 N/A* [0 - 4294967295 N/A] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 172: Main Menu - Data Readouts 2 - Group 18

    Incorrect setting of the clock will affect the time stamps for the Maintenance Events. When mounting an Analog I/O MCB 109 option card, a battery back-up of date and time is included. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 173 [0.000 - 30.000 N/A] Read out of the value of the signal applied to terminal X42/7 on the Analog I/O Card. Terminal X42/7 Output The value shown reflects the selection in par. 26-40 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 174 Parameters for reporting the reference and feedback input. Sensorless Readout requires set up by MCT10 with sensorless specific plug in. 18-50 Sensorless Readout [unit] Range: Function: 0.000 Sen- [-999999.999 - 999999.999 Sen- sorlessU- sorlessUnit] nit* MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 175: Main Menu - Fc Closed Loop - Group 20

    Pulse input 33 Analog input X30/11 Analog input X30/12 Analog Input X42/1 [10] Analog Input X42/3 [11] Analog Input X42/5 [100] Bus feedback 1 [101] Bus feedback 2 [102] Bus feedback 3 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 176 . This unit is not used by the PID Con- troller. [0] * [10] 1/min [11] [12] Pulse/s [20] [21] l/min [22] [23] m³/s [24] m³/min [25] m³/h [30] kg/s [31] kg/min MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 177 Feedback 1 Source If the choice Linear [0] is selected in par. 20-01 , then the setting of any choice in par. 20-02 Unit does not matter as conversion will be one-to-one. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 178 Pulse input 33 Analog input X30/11 Analog input X30/12 Analog Input X42/1 [10] Analog Input X42/3 [11] Analog Input X42/5 [100] Bus feedback 1 [101] Bus feedback 2 [102] Bus feedback 3 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 179 This group is also used to store the three internal setpoint references. 20-20 Feedback Function Option: Function: This parameter determines how the three possible feedbacks will be used to control the output frequency of the frequency converter. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 180 If all feedback signals are above their corresponding setpoints, the PID Controller will use the feed- back/setpoint pair in which the difference between the feedback and setpoint is the least. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 181 Example 1 – Multi zone, single setpoint In an office building, a VAV (variable air volume) VLT HVAC Drive system must ensure a minimum pressure at selected VAV boxes. Due to the varying pressure losses in each duct, the pressure at each VAV box cannot be assumed to be the same. The minimum pressure required is the same for all VAV boxes.
  • Page 182 PID Controller. See the description of par. 20-20 Feedback Function nit* The setpoint reference entered here is added to any other references that are enabled (see par. group 3-1*). MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 183 750 in2* [0 - 15000 in2] 20-36 Fan 2 Area [m2] Range: Function: 0.500 m2* [0.000 - 10.000 m2] 20-37 Fan 2 Area [in2] Range: Function: 750 in2* [0 - 15000 in2] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 184 [124] [125] ft³/s [126] ft³/min [127] ft³/h [170] [171] lb/in² [172] in WG [173] ft WG [174] in Hg 20-69 Sensorless Information Range: Function: 0 N/A* [0 - 0 N/A] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 185 Normal setting of this parameter will be suitable for pressure control in fan systems. Fast Fast setting would generally be used in pumping systems, where a faster control response is de- sirable. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 186 Inverse Inverse [1] causes the frequency converter’s output frequency to increase when the feedback is greater than the setpoint reference. This is common for temperature-controlled cooling applications, such as cooling towers. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 187 This group provides the ability to manually adjust this PID Controller. By adjusting the PID Controller parameters the control performance may be MG.11.Bx.yy improved. See section PID in the VLT HVAC Drive Design Guide, for guidelines on adjusting the PID Controller parameters.
  • Page 188 It can be difficult to adjust this for proper system control. Dif- ferentiation time is not commonly used in VLT HVAC Drive applications. Therefore, it is generally best to leave this parameter at 0 or OFF.

  • Page 189: Main Menu - Extended Closed Loop - Group 21

    PID autotuning could be several minutes. Excessive feedback sensor noise should be removed using the input filter (parameter groups 6-**,5-5* and 26-**, Terminal 53/54 Filter Time Constant/ Pulse Filter Time Constant #29/33) before activating PID autotuning. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 190 [OK] or [Cancel] buttons on the LCP at the end of tuning, this parameter is reset to [0] Disabled. [0] * Disabled Enabled Ext CL 1 PID Enabled Ext CL 2 PID Enabled Ext CL 3 PID MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 191 [24] m³/min [25] m³/h [30] kg/s [31] kg/min [32] kg/h [33] t/min [34] [40] [41] m/min [45] [60] °C [70] mbar [71] [72] [73] [74] m WG [75] mm Hg [80] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 192 The dynamics of the PID controller will depend on the value set in this parameter. Please see also Ext. 1 Proportional Gain par. 21-21 Always set the desired value for par. 21-12 Ext. 1 Maximum Reference before setting the values for the PID controller in par. 20-9*CL-9#. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 193 Ext.1 Reference source selected in par. 21-13 21-17 Ext. 1 Reference [Unit] Range: Function: 0.000 [-999999.999 - 999999.999 Ex- Readout of the reference value for the Closed Loop 1 Controller. tPID1Unit* tPID1Unit] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 194 [0.00 - 10.00 s] The differentiator does not react to a constant error. It only provides a gain when the feedback changes. The quicker the feedback changes, the stronger the gain from the differentiator. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 195 [33] t/min [34] [40] [41] m/min [45] [60] °C [70] mbar [71] [72] [73] [74] m WG [75] mm Hg [80] [120] [121] gal/s [122] gal/min [123] gal/h [124] [125] ft³/s MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 196 [22] Analog input X30/12 [23] Analog Input X42/1 [24] Analog Input X42/3 [25] Analog Input X42/5 [30] Ext. Closed Loop 1 [31] Ext. Closed Loop 2 [32] Ext. Closed Loop 3 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 197 See par. 21-20 for details. [0] * Normal Inverse 21-41 Ext. 2 Proportional Gain Range: Function: Ext. 1 Proportional Gain 0.01 N/A* [0.00 - 10.00 N/A] See par. 21-21 for details. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 198 [24] m³/min [25] m³/h [30] kg/s [31] kg/min [32] kg/h [33] t/min [34] [40] [41] m/min [45] [60] °C [70] mbar [71] [72] [73] [74] m WG [75] mm Hg [80] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 199 [22] Analog input X30/12 [23] Analog Input X42/1 [24] Analog Input X42/3 [25] Analog Input X42/5 [30] Ext. Closed Loop 1 [31] Ext. Closed Loop 2 [32] Ext. Closed Loop 3 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 200 See par. 21-20 for details. [0] * Normal Inverse 21-61 Ext. 3 Proportional Gain Range: Function: Ext. 1 Proportional Gain 0.01 N/A* [0.00 - 10.00 N/A] See par. 21-21 for details. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 201: Main Menu - Application Functions - Group 22

    [1.0 - 50.0 N/A] See par. 21-24 Ext. 1 Dif. Gain Limit for details. 3.20 Main Menu - Application Functions - Group 22 This group contains parameters used for monitoring VLT HVAC Drive applications. 22-00 External Interlock Delay Range: Function: 0 s*...
  • Page 202 (low power consumption-high speed). Can be used with both the integrated PI controller and an external PI controller. The condition for Dry Pump signal: Power consumption below no flow level MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 203 Disabled Motor Speed Enabled Select Enabled for detecting when the motor operates with a speed as set in par. 4-11 Low Limit [RPM] or par. 4-12 Motor Speed Low Limit [Hz] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 204 If the drive is equipped with a constant speed bypass with an automatic bypass function that starts the bypass if the drive experiences a persistent alarm condition, be sure to disable the bypass’s automatic bypass function, if [2] Alarm or [3] Man. Reset Alarm is selected as the Dry Pump Function. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 205 Hz (parameter not visible if RPM selected). dependent* Set used speed for the 50% level. The function is used for storing values needed to tune No Flow Detection. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 206 To make it possible to use e.g. an electro-mechanical flow switch to detect a no flow condition and activate Sleep Mode, the action takes place at raising edge of the external signal applied (otherwise the frequency converter would never come out of Sleep Mode again as the signal would be steady con- nected). MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 207 If no flow is detected, the frequency converter will increase the set point for pressure to ensure a slight over pressure in the system (boost to be set in par. 22-45 Setpoint Boost MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 208 The speed is set manually by an external reference signal (Remote Reference). The settings (parameter group 22-3*) for tuning of the No Flow function must be set to default. Configuration possibilities, overview: MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 209 If used in application where the integrated PI controller is set for inverse control (e.g. cooling tower applications) in par. 20-71 Performance Wake-up Ref./FB Difference , the value set in par. 22-44 will automatically be added. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 210 , to [13] Infinite auto reset, when par. 22-50 is set to [2] Alarm. Doing so will cause the drive to continuously cycle between running and stopping when a End of Curve condition is detected. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 211 When controlling refrigeration compressors, often there will be a need for limiting the numbers of starts. One way to do this is to ensure a minimum run time (time between a start and a stop) and a minimum interval between starts. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 212 (Required pressure) is the setpoint for closed loop (PI) operation of the frequency converter and is set as for closed loop operation without flow DESIGN compensation. It is recommended to use slip compensation and RPM as unit. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 213 Flow at Rated Speed, 22-90 22-80 Flow Compensation Option: Function: [0] * Disabled Disabled : Set-Point compensation not active. Enabled Enabled :Set-Point compensation is active. Enabling this parameter allows the Flow Compensated Setpoint operation. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 214 Point is unknown, another reference point on the control curve needs to be determined by means of the data sheet. By looking at the curve for the rated speed and plotting the design pressure MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 215 Hz can be entered in par. 22-86 . If it has been decided to Motor Speed Unit Speed at No-Flow [RPM] use RPM in par. 0-02 then par. 22-83 should also be used. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 216: Main Menu - Time-Based Functions - Group 23

    The actions programmed in Timed Actions are merged with corresponding actions from digital inputs, control work via bus and Smart Logic ControllerLogic Controller, according to merge rules set up in 8-5*O-5#, Digital/Bus. The clock (parameter group 0-7*) must be correctly programmed for Timed Actions to function correctly. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 217 Select preset ref 7 [18] Select ramp 1 [19] Select ramp 2 [22] [23] Run reverse [24] Stop [26] DC Brake [27] Coast [28] Freeze output [29] Start timer 0 [30] Start timer 1 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 218 [0] * Disabled [1] * No action Select set-up 1 Select set-up 2 Select set-up 3 Select set-up 4 [10] Select preset ref 0 [11] Select preset ref 1 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 219 Set digital out F high [60] Reset Counter A [61] Reset Counter B [70] Start Timer 3 [71] Start Timer 4 [72] Start Timer 5 [73] Start Timer 6 [74] Start Timer 7 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 220 To disable a Preventive Maintenance Event the associated par. 23-12 Maintenance Time Base must be set to Disabled [0]. Preventive Maintenance can be programmed from the LCP, but use of the PC-based VLT Motion Control Tool MCT10 is recommended. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 221 LCP. Select the item to be associated with the Preventive Maintenance Event. [1] * Motor bearings Fan bearings Pump bearings Valve Pressure transmitter Flow transmitter Temperature transm. Pump seals Fan belt MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 222 Maintenance Time Interval Date & Time Date & Time [3] uses the internal clock. The date and time of the next maintenance occurrence Maintenance Date and Time must be specified in par. 23-14 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 223 0 N/A* [0 - 0 N/A] 3.21.3 23-5* Energy Log The frequency converter is continuously accumulating the consumption of the motor controlled, based on the actual power yielded by the frequency converter. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 224 Counter with highest index will always be subject to update (containing data for the actual hour since XX:00 or the actual day since 00:00). Quick Menu Loggings Energy Log: Trending Continued Bin / Trending Timed Bin / The contents of counters can be displayed as bars on LCP. Select Trending Comparison MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 225 Date Format and time format on setting in par. 0-72 Time Format When mounting an Analog I/O MCB 109 option card, a battery back up of the date and time is included. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 226 [1] to reset all values in the Energy Log counters shown in par. 23-53 Do not reset After pressing OK the setting of the parameter value will automatically change to [0]. [0] * Do not reset Do reset MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 227 “1”. If the value stays at 13% for 10s, then “10” will be added to the counter value. Quick Menu Loggings Trending Continued Bin / Trending Timed Bin / Trending The contents of counters can be displayed as bars on LCP. Select > Comparison MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 228 Starts to count at the date/time programmed in par. 23-63 , and stops at the Timed Period Stop time/date programmed in par. 23-64 . All counters can be reset to 0 in Reset Timed Bin Data par. 23-67 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 229 [1] to reset all counters in par. 23-62 After pressing OK the setting of the parameter value will automatically change to Do not reset [0]. [0] * Do not reset Do reset MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 230 ) which is supposed to represent the average power yielded at the time running with fixed speed (before upgrade with variable speed control). Must be set to a value different from zero to start counting. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 231 ), the equivalent kW value will be used for the Energy Savings. 23-84 Cost Savings Range: Function: 0 N/A* [0 - 2147483647 N/A] This parameter allows a readout of the calculation based on the above equation (in local currency). MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 232: Main Menu - Application Functions 2 - Group 24

    3.22.1 24-0* Fire Mode Please note the frequency converter is only one component of the VLT HVAC Drive system. Correct function of Fire Mode depends on the correct design and selection of system components. Ventilation systems working in life safety applications have to be approved by the local fire Authorities.
  • Page 233 Fire Mode Alarm Handling Before adjusting the PID controller set par. 24-09 , [2] Trip, All Alarms/Test. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 234 [41] m/min [45] [60] °C [70] mbar [71] [72] [73] [74] m WG [75] mm Hg [80] [120] [121] gal/s [122] gal/min [123] gal/h [124] [125] ft³/s [126] ft³/min [127] ft³/h MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 235 Analog input 54 Pulse input 29 Pulse input 33 [20] Digital pot.meter [21] Analog input X30/11 [22] Analog input X30/12 [23] Analog Input X42/1 [24] Analog Input X42/3 [25] Analog Input X42/5 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 236 The frequency converter includes a feature, which can be used to automatically activate an external electro-mechanical bypass in case of a trip/trip lock Fire Mode Function of the frequency converter or the event of a Fire Mode Coast (see par. 24-00 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 237 Fire Mode status messages. When the automatic Drive Bypass function is enabled, it will cut in the external bypass according to the below sequence: Status can be read in the Extended Status Word 2, bit number 24. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 238 , Function Relay. If a Relay Delay has also been programmed in On Delay, Relay Off Delay, Relay par. 5-41 , On Delay, Relay or par. 5-42 , [Relay], then this time must also elapse before the relay action is performed. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 239 Function: 0.0000 [-100.0000 - 100.0000 N/A] 24-98 Locked Rotor Coefficient 3 Range: Function: 0.0000 [-100.0000 - 100.0000 N/A] 24-99 Locked Rotor Coefficient 4 Range: Function: 0.000 N/A* [-500.000 - 500.000 N/A] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 240: Main Menu - Cascade Controller - Group 25

    1-00 Configuration Mode , all fixed speed pumps will be destaged, but the variable speed pump will still be controlled by the frequency converter, now as an open loop configuration: MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 241 [0]. Built-in relays Relay 1 and Relay 2 can be assigned to separate fixed speed pumps. In total three pumps can be controlled by the frequency converter. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 242 The OBW must always be programmed to a higher value than the value set in Staging Bandwidth (SBW), par. 25-20 . The OBW is a percentage of par. and par. . MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 243 Staging Bandwidth (SBW). Staging is delayed by the length of time program- med. If the pressure increases to within the SBW before the timer has elapsed, the timer is reset. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 244 This requires that No Flow Detection is active. See parameter group 22-2*. If Destage at No-Flow is disabled the Cascade Controller does not change the normal behavior of the system. [0] * Disabled Enabled MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 245 When the programmed value of the timer expires, a stage is removed, avoiding dead head water circulation in the adjustable speed pump. 3.23.4 25-4* Staging Settings Parameters determining conditions for staging/destaging the pumps. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 246 If the set-point is reached after staging before the variable speed pump reaches its minimum speed - the system will enter the state closed loop as soon as the feedback pressure is crossing the set-point. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 247 Motor Speed High Limit [Hz] Staging Speed is calculated with the following formula: STAGE STAGE HIGH where n is Motor Speed High Limit and n is the value of HIGH STAGE100% Staging Threshold. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 248 Destaging Threshold. HIGH DESTAGE100% 3.23.5 25-5* Alternation Settings Parameters for defining the conditions for alternation of the variable speed pump (lead), if selected as part of the control strategy. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 249 , is selected, the variable speed pump dependent* alternation is carried out every day at the specified time set in Alternation Predefined Time. Default time is midnight (00:00 or 12:00AM depending on the time format). MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 250 “Delay Before Running On Mains” (par. 25-59 ) as a fixed speed pump. The next lead pump (middle graph) is decelerated to Motor Speed Low Limit and then allowed to vary speed to maintain system pressure. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 251 Readout parameters informing about the operating status of the cascade controller and the pumps controlled. 25-80 Cascade Status Range: Function: 0 N/A* [0 - 0 N/A] Read out of the status of the Cascade Controller. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 252 Resets all elements in par. 25-85 Relay ON Time counters. [0] * Do not reset Do reset 3.23.7 25-9* Service Parameters used in case of service on one or more of the pumps controlled. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 253: Main Menu - Analog I/O Option Mcb 109 - Group 26

    3.24.1 26-**, Analog I/O Option MCB 109 The Analog I/O Option MCB 109 extends the functionality of VLT HVAC Drive frequency converters, by adding a number of additional, programmable analog inputs and outputs. This could be especially useful in Building Management System installations where the frequency converter may be used as de-central I/O, obviating the need for an outstation and thus reducing cost.
  • Page 254 It is also possible to read the analog inputs, write to the analog outputs and control the relays, using communication via the serial bus. In this instance, these are the relevant parameters. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 255 (par. 20-12 , par. 21-10 , par. 21-30 Feedback Unit Ext. 3 Ref./Feedback Unit or par. 21-50 [1] * Voltage Pt 1000 [°C] Pt 1000 [°F] Ni 1000 [°C] Ni 1000 [°F] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 256 26-14 Term. X42/1 Low Ref./Feedb. Value Range: Function: 0.000 N/A* [-999999.999 - 999999.999 N/A] Enter the analog input scaling value that corresponds to the low voltage value set in par. 26-10 Terminal X42/1 Low Voltage MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 257 Enter the time constant. This is a first-order digital low pass filter time constant for suppressing noise in terminal X42/3. A high time constant value improves dampening but also increases the time delay through the filter. This parameter cannot be adjusted while the motor is running. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 258 I/O system, such as a Building Management System. Disabled [1] * Enabled 3.24.6 26-4* Analog Out X42/7 Parameters for configuring the scaling and output function for analog output, terminal X42/7. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 259 Terminal 42 Output Max Scale See principle graph for par. 6-52 26-43 Terminal X42/7 Bus Control Range: Function: 0.00 %* [0.00 - 100.00 %] Holds the level of terminal X42/7 if controlled by bus. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 260 25%. Scaling values up to 100% can never be higher than the corresponding setting in Terminal X42/9 Max. Scale par. 26-52 Terminal 42 Output Min Scale See principle graph for par. 6-51 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 261 : 0 - 100%, (0-20 mA) [115] Ext. Closed Loop 3 : 0 - 100%, (0-20 mA) [139] Bus ctrl. : 0 - 100%, (0-20 mA) [141] Bus ctrl t.o. : 0 - 100%, (0-20 mA) MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 262 0.00 %* [0.00 - 100.00 %] Holds the preset level of terminal X42/11. In case a bus time-out and a time-out function are selected, the output will preset to this level. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 263: Troubleshooting

    By using the [RESET] control button on the LCP. Via a digital input with the “Reset” function. Via serial communication/optional fieldbus. By resetting automatically using the [Auto Reset] function, which is a default setting for VLT HVAC Drive Drive, see par. 14-20 Reset Mode FC 100 Programming Guide After a manual reset using the [RESET] button on the LCP, the [AUTO ON] or [HAND ON] button must be pressed to restart the motor.
  • Page 264 AMA Parameter out of range AMA interrupted by user AMA timeout AMA internal fault Current limit External Interlock Output Frequency at Maximum Limit Voltage Limit Control Board Over-temperature Table 4.1: Alarm/Warning code list MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 265 A Trip Lock situation can only be reset by a power cycling. LED indication Warning yellow Alarm flashing red Trip locked yellow and red Table 4.3: LED Indication MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 266 The alarm words, warning words and extended status words can be read out via serial bus or optional fieldbus for diagnosis. See also par. 16-90 Word Warning Word Ext. Status Word , par. 16-92 and par. 16-94 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 267: Alarm Words

    Brake resistor short circuit 02000000 Reserved 08000000 Brake chopper fault 04000000 Reserved 10000000 Option change 08000000 Reserved 20000000 Drive initialized 10000000 Reserved 40000000 Safe Stop 20000000 Reserved 80000000 Not used 40000000 Reserved 80000000 Reserved MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 268: Warning Words

    04000000 Low temperature 04000000 Reserved 08000000 Voltage limit 08000000 Reserved 10000000 Encoder loss 10000000 Reserved 20000000 Output frequency limit 20000000 Reserved 40000000 Not used 40000000 Reserved 80000000 Not used 80000000 Reserved MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 269: Extended Status Words

    01000000 Bypass 02000000 Reserved 02000000 Fire Mode 04000000 Reserved 04000000 Reserved 08000000 Reserved 08000000 Reserved 10000000 Reserved 10000000 Reserved 20000000 Reserved 20000000 Reserved 40000000 Reserved 40000000 Reserved 80000000 Reserved 80000000 Reserved MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 270: Fault Messages

    The setting in par. 1-91 WARNING/ALARM 7, DC overvoltage Run AMA in par. 1-29 Automatic Motor Adaptation (AMA) If the intermediate circuit voltage exceeds the limit, the frequency con- verter trips after a time. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 271 WARNING 25, Brake resistor short circuit or software. The brake resistor is monitored during operation. If it short circuits, the Record the value of the following parameters and contact your Danfoss brake function is disconnected and the warning appears. The frequency supplier: converter still works, but without the brake function.
  • Page 272 Turn off the frequency converter and check motor phase V. ALARM 32, Motor phase W missing Motor phase W between the frequency converter and the motor is miss- ing. Turn off the frequency converter and check motor phase W. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 273 4 Troubleshooting ALARM 38, Internal fault ALARM 39, Heatsink sensor It may be necessary to contact your Danfoss supplier. Some typical alarm No feedback from the heatsink temperature sensor. messages: The signal from the IGBT thermal sensor is not available on the power card.
  • Page 274 A multi-motor overload situation was detected, this could be due to e.g. WARNING 73, Safe stop auto restart a locked rotor. Safe stopped. Note that with automatic restart enabled, the motor may start when the fault is cleared. MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 275 This alarm is only for F Frame drives. It is equivalent to Alarm 46. The ALARM 251, New type code report value in the alarm log indicates which power module generated The frequency converter has a new type code. the alarm: MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 276 ® 5 Parameter Lists HVAC Drive Programming Guide MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 277: Parameter Lists

    Int16 Integer 32 Int32 Unsigned 8 Uint8 Unsigned 16 Uint16 Unsigned 32 Uint32 Visible String VisStr Normalized value 2 bytes Bit sequence of 16 boolean variables Time difference w/o date TimD MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 278: Operation And Display

    1 set-up TRUE Uint8 TimeOf- 0-82 Additional Working Days 1 set-up TRUE TimeOf- 0-83 Additional Non-Working Days 1 set-up TRUE VisStr[2 0-89 Date and Time Readout 0 N/A All set-ups TRUE MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 279: Load / Motor

    1-90 Motor Thermal Protection [4] ETR trip 1 All set-ups TRUE Uint8 1-91 Motor External Fan [0] No All set-ups TRUE Uint16 1-93 Thermistor Source [0] None All set-ups TRUE Uint8 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 280: Brakes

    Power Restore [0] Off All set-ups TRUE Uint8 3-93 Maximum Limit 100 % All set-ups TRUE Int16 3-94 Minimum Limit All set-ups TRUE Int16 3-95 Ramp Delay All set-ups TRUE TimD MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 281: Limits / Warnings

    All set-ups TRUE Uint16 4-62 Bypass Speed To [RPM] All set-ups TRUE Uint16 4-63 Bypass Speed To [Hz] All set-ups TRUE Uint16 4-64 Semi-Auto Bypass Set-up [0] Off All set-ups FALSE Uint8 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 282: Digital In / Out

    Pulse Out #29 Timeout Preset 0.00 % 1 set-up TRUE Uint16 5-97 Pulse Out #X30/6 Bus Control 0.00 % All set-ups TRUE 5-98 Pulse Out #X30/6 Timeout Preset 0.00 % 1 set-up TRUE Uint16 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 283: Analog In / Out

    Terminal X30/8 Max. Scale 100.00 % All set-ups TRUE Int16 6-63 Terminal X30/8 Output Bus Control 0.00 % All set-ups TRUE 6-64 Terminal X30/8 Output Timeout Preset 0.00 % 1 set-up TRUE Uint16 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 284: Communication And Options

    All set-ups TRUE Uint16 8-94 Bus Feedback 1 0 N/A 1 set-up TRUE 8-95 Bus Feedback 2 0 N/A 1 set-up TRUE 8-96 Bus Feedback 3 0 N/A 1 set-up TRUE MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 285: Profibus

    Uint16 9-92 Changed Parameters (3) 0 N/A All set-ups FALSE Uint16 9-93 Changed Parameters (4) 0 N/A All set-ups FALSE Uint16 9-94 Changed Parameters (5) 0 N/A All set-ups FALSE Uint16 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 286: Can Fieldbus

    11-17 XIF Revision 0 N/A All set-ups TRUE VisStr[5 11-18 LonWorks Revision 0 N/A All set-ups TRUE 11-2* LON Param. Access 11-21 Store Data Values [0] Off All set-ups TRUE Uint8 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 287: Smart Logic Controller

    Uint8 13-44 Logic Rule Boolean 3 null 2 set-ups TRUE Uint8 13-5* States 13-51 SL Controller Event null 2 set-ups TRUE Uint8 13-52 SL Controller Action null 2 set-ups TRUE Uint8 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 288: Special Functions

    Function at Over Temperature [0] Trip All set-ups TRUE Uint8 14-61 Function at Inverter Overload [0] Trip All set-ups TRUE Uint8 14-62 Inv. Overload Derate Current 95 % All set-ups TRUE Uint16 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 289: Fc Information

    FALSE VisStr[10] 15-53 Power Card Serial Number 0 N/A All set-ups FALSE VisStr[19] 15-55 Vendor URL 0 N/A All set-ups FALSE VisStr[40] 15-56 Vendor Name 0 N/A All set-ups FALSE VisStr[40] MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 290 All set-ups FALSE Uint16 15-93 Modified Parameters 0 N/A All set-ups FALSE Uint16 15-98 Drive Identification 0 N/A All set-ups FALSE VisStr[40] 15-99 Parameter Metadata 0 N/A All set-ups FALSE Uint16 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 291: Data Readouts

    Int32 16-55 Feedback 2 [Unit] 0.000 ProcessCtrlUnit All set-ups FALSE Int32 16-56 Feedback 3 [Unit] 0.000 ProcessCtrlUnit All set-ups FALSE Int32 16-58 PID Output [%] 0.0 % All set-ups TRUE Int16 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 292 Uint32 16-94 Ext. Status Word 0 N/A All set-ups FALSE Uint32 16-95 Ext. Status Word 2 0 N/A All set-ups FALSE Uint32 16-96 Maintenance Word 0 N/A All set-ups FALSE Uint32 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 293: Info & Readouts

    0.000 N/A All set-ups FALSE Int16 18-35 Analog Out X42/11 [V] 0.000 N/A All set-ups FALSE Int16 18-5* Ref. & Feedb. 18-50 Sensorless Readout [unit] 0.000 SensorlessUnit All set-ups FALSE Int32 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 294: Fc Closed Loop

    20-94 PID Integral Time 20.00 s All set-ups TRUE Uint32 20-95 PID Differentiation Time 0.00 s All set-ups TRUE Uint16 20-96 PID Diff. Gain Limit 5.0 N/A All set-ups TRUE Uint16 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 295: Ext. Closed Loop

    Ext. 2 Integral Time 10000.00 s All set-ups TRUE Uint32 21-43 Ext. 2 Differentation Time 0.00 s All set-ups TRUE Uint16 21-44 Ext. 2 Dif. Gain Limit 5.0 N/A All set-ups TRUE Uint16 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 296 Ext. 3 Integral Time 10000.00 s All set-ups TRUE Uint32 21-63 Ext. 3 Differentation Time 0.00 s All set-ups TRUE Uint16 21-64 Ext. 3 Dif. Gain Limit 5.0 N/A All set-ups TRUE Uint16 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 297: Application Functions

    Pressure at Rated Speed 999999.999 N/A All set-ups TRUE Int32 22-89 Flow at Design Point 0.000 N/A All set-ups TRUE Int32 22-90 Flow at Rated Speed 0.000 N/A All set-ups TRUE Int32 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 298: Time Based Funtions

    1.00 N/A 2 set-ups TRUE Uint32 23-82 Investment 0 N/A 2 set-ups TRUE Uint32 23-83 Energy Savings 0 kWh All set-ups TRUE Int32 23-84 Cost Savings 0 N/A All set-ups TRUE Int32 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 299: Application Functions 2

    Locked Rotor Coefficient 2 0.0000 N/A All set-ups TRUE Int32 24-98 Locked Rotor Coefficient 3 0.0000 N/A All set-ups TRUE Int32 24-99 Locked Rotor Coefficient 4 0.000 N/A All set-ups TRUE Int32 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 300: Cascade Pack Controller

    Reset Relay Counters [0] Do not reset All set-ups TRUE Uint8 25-9* Service 25-90 Pump Interlock [0] Off All set-ups TRUE Uint8 25-91 Manual Alternation 0 N/A All set-ups TRUE Uint8 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 301: Analog I / O Option Mcb 109

    Terminal X42/11 Max. Scale 100.00 % All set-ups TRUE Int16 26-63 Terminal X42/11 Bus Control 0.00 % All set-ups TRUE 26-64 Terminal X42/11 Timeout Preset 0.00 % 1 set-up TRUE Uint16 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

  • Page 302: Index

    Auto Energy Optimization Vt [Auto On] Key On Lcp 0-42 Automatic Motor Adaptation (ama) 1-29 Automatic Restart Time 14-21 Bacnet Bacnet Device Instance 8-70 Baud Rate 8-32 Baud Rate Select 10-01 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 303 Control Timeout Function 8-04 Control Timeout Time 8-03 Control Word 16-00 Cooling Copyright, Limitation Of Liability And Revision Rights Cos Filter 1 10-20 Cos Filter 2 10-21 Cos Filter 3 10-22 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 304 Drive Bypass Delay Time 24-11 Drive Bypass Function 24-10 Drive Identification 160, 163 Drive Information Drive Profile 11-10 Dry Pump Delay 22-27 Dry Pump Function 22-26 Dst/summertime 0-74 Dst/summertime End 0-77 Dst/summertime Start 0-76 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 305 [Ext. 3 Reference Unit] 21-57 Ext. 3 Setpoint 21-55 Ext. Status Word 16-94 Ext. Status Word 2 16-95 Extended Cl Autotuning Extended Status Word Extended Status Word 2 External Interlock Delay 22-00 External Reference 16-50 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 306 Frequency Converter Serial Number 15-51 Function At Inverter Overload 14-61 Function At Mains Imbalance 14-12 Function At Over Temperature 14-60 Function At Stop 1-80 Function Relay 5-40 Function Set-ups General Settings, 1-0* MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 307 Locked Rotor Coefficient 1 24-96 Locked Rotor Coefficient 2 24-97 Locked Rotor Coefficient 3 24-98 Locked Rotor Coefficient 4 24-99 Locked Rotor Function 24-95 Logging Buffer Full 16-40 Logging Interval 15-11 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 308 Minimum Aeo Frequency 14-42 Minimum Bin Value 23-65 Minimum Feedback Level 20-73 186, 190 Minimum Limit 3-94 Minimum Reference 3-02 Minimum Reference/feedb. 20-13 Minimum Response Delay 8-35 Minimum Run Time 22-40 209, 212 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 309 On Time 23-00 Operating Hours 15-00 Operating Mode Operating State At Power-up 0-04 Operation Mode 14-22 Option Ident. Option In Slot A 15-70 Option In Slot B 15-72 Option In Slot C0 15-74 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 310 Pressure At No-flow Speed 22-87 Pressure At Rated Speed 22-88 Process Control 9-28 Process Data Config Read 10-12 Process Data Config Write 10-11 Process Data Type Selection 10-10 Production Settings 14-28 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 311 Readout: Linked Set-ups 0-13 Readout: Prog. Set-ups / Channel 0-14 [Reference %] 16-02 Reference 1 Source 3-15 Reference 2 Source 3-16 Reference 3 Source 3-17 Reference Function 3-04 Reference Site 3-13 [Reference Unit] 16-01 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 312 Software Version 3, 160 Special Functions [Speed At Design Point Hz] 22-86 [Speed At Design Point Rpm] 22-85 [Speed At No-flow Hz] 22-84 [Speed At No-flow Rpm] 22-83 [Speed Rpm] 16-17 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 313 Terminal 42 Output Bus Control 6-53 Terminal 42 Output Max Scale 6-52 Terminal 42 Output Min Scale 6-51 Terminal 42 Output Timeout Preset 6-54 Terminal 53 Filter Time Constant 6-16 Terminal 53 High Current 6-13 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 314 Timed Bin Data 23-62 Timed Period Start 23-63 Timed Period Stop 23-64 [Torque %] 16-22 Torque Characteristics 1-03 Torque Limit Generator Mode 4-17 Torque Limit Motor Mode 4-16 [Torque Nm] 16-16 Trend Variable 23-60 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...
  • Page 315 Warning Reference High 4-55 Warning Reference Low 4-54 Warning Speed High 4-53 Warning Word Warning Word 16-92 Warning Word 2 Warning Word 2 16-93 Work Point Calculation 22-82 Working Days 0-81 Xif Revision 11-17 MG.11.C9.02 - VLT ® is a registered Danfoss trademark...

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