Page 1 MAKING MODERN LIVING POSSIBLE www.danfoss.com/drives VLT ® Low Harmonic Drive Instruction Manual VLT ® AQUA Drive FC 200 130R0504 MG20T122 Rev. 2009-10-09 *MG20T122*...
Page 2: Table Of Contents
4-23 Field Installation of Options 4-30 Installation of Input Plate Options 4-30 Installation of Line Power Shield for Adjustable Frequency Drives 4-30 Frame size F Panel Options 4-31 Electrical Installation 4-33 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 3 6-51 3-** Reference / Ramps 6-51 4-** Limits / Warnings 6-52 5-** Digital In / Out 6-53 6-** Analog In / Out 6-54 8-** Communication and Options 6-55 9-** Profibus 6-56 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 4 7-11 How to Access Parameters 7-12 8 General Specifications 9 Troubleshooting Alarms and Warnings - Adjustable Frequency Drive (right LCP) Alarms and Warnings - Filter (left LCP) 9-10 10 Index 10-1 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 5 VLT AQUA Low Harmonic Drive Instruction Contents Manual ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 6: How To Read The Instruction Manual
Danfoss reserves the right to revise this publication at any time and to make changes to its contents without prior notice or any obligation to notify former or present users of such revisions or changes.
Page 7: Symbols
(to the left). Each LCP controls only the unit it is connected to and there is no communication between the two LCPs 1.1.4 Symbols Symbols used in this Instruction Manual. NOTE! Indicates something to be noted by the reader. Indicates a general warning. Indicates a high-voltage warning. Indicates a default setting ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 8: Safety
Installation at High Altitudes Installation at high altitude: At altitudes above 9843 ft [3 km], please contact Danfoss Drives regarding PELV. Warning against Unintended Start 1. The motor can be brought to a stop by means of digital commands, bus commands, references or a local stop, while the adjustable frequency drive is connected to line power.
Page 9: General Warning
High temperature applications which require derating of the electrical ratings • Marine applications with more severe environmental conditions. Consult the relevant clauses in these instructions and in the Design Guide for information about the electrical ratings. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 10: Avoid Unintended Start
The figure below shows a Stopping Category 0 (EN 60204-1) with safety Category 3 (EN 954-1). The circuit interruption is caused by an opening door contact. The figure also shows how to connect a non-safety-related hardware coast. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 11 VLT AQUA Low Harmonic Drive Instruction 2 Safety Manual Figure 2.2: Figure of the essential aspects of an installation to achieve a Stopping Category 0 (EN 60204-1) with safety Category 3 (EN 954-1). ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 12: Safe Stop Of The Adjustable Frequency Drive
Category 3 in EN 954-1, the related information and instructions of the must be followed. The information and instructions of the Instruction Manual are not sufficient for a correct and safe use of the safe stop functionality. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 13: Line Power
Equipment containing electrical components may not be disposed of together with domestic waste. It must be separately collected with electrical and electronic waste according to local and currently valid leg- islation. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 14: Introduction To The Low Harmonic Drive
The VLT Low Harmonic Drive is a VLT High Power adjustable frequency drive with an integrated active filter. An active filter is a device that actively monitors harmonic distortion levels and injects compensative harmonic current onto the line to cancel out the harmonics. Figure 3.1: Basic layout for the Low Harmonic Drive ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 15: Ieee519 Compliance
50th. Figure 3.2: Typical harmonic frequency spectrum and THD value at the line power terminals of the drive n = harmonic order ⃟..IEEE519 (Isc/IL>20) limits for individual harmonics ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 16: Ordering Form Type Code
Line power option Adaptation A Adaptation B Software release 24-27 Software language A options 29-30 B options 31-32 C0 options, MCO 33-34 C1 options C option software 36-37 D options 38-39 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 17 VLT AQUA Low Harmonic Drive Instruction 3 Introduction to the Low Harmonic Drive Manual ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 18: How To Install
Programming Frame size is depending on enclosure type, power range and AC line Figure 4.1: Diagram showing basic installation including line voltage power, motor, start/stop key, and potentiometer for speed adjustment. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 19: Pre-Installation
Before unpacking the adjustable frequency drive, it is recommended to unload it as close as possible to the final installation site. Remove the box and handle the adjustable frequency drive on the pallet, as long as possible. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 20: Lifting
Maximum diameter for bar is 1 in [2.5 cm]. The angle from the top of the drive to the lifting cable should be 60° or greater. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 21 VLT AQUA Low Harmonic Drive Instruction 4 How to Install Manual Figure 4.3: Recommended lifting method, frame size F - filter section. Figure 4.4: Recommended lifting method, frame size F - drive section. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 22 In addition to the drawing above, a spreader bar is an acceptable way to lift the F frame. NOTE! The F size will be shipped as 2 pieces. Instructions on how to assemble the pieces can be found in the “Mechanical Installation” chapter. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 23 VLT AQUA Low Harmonic Drive Instruction 4 How to Install Manual ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 24 VLT AQUA Low Harmonic Drive Instruction Manual 4 How to Install ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 25 VLT AQUA Low Harmonic Drive Instruction 4 How to Install Manual ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 26 VLT AQUA Low Harmonic Drive Instruction Manual 4 How to Install ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 27 40 in [1016 mm] Drive Dimensions Height 68.9 in [1750 mm] 2000 Width 49.6 in [1260 mm] 1440 Depth 14.96 in [380 mm] Max Weight 895 lbs [406 kg] 1424 lbs [646 kg] 4-10 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 28 1130/ 1130 Drive Dimensions Height 86.62 in [2200 mm] Width 145.7 in [3700 mm] Depth 23.62 in [600 mm] Max Weight 4410 lbs [2000 kg] * Hybrid IP54 electronics, IP21 magnetics 4-11 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 29: Mechanical Installation
Ensure proper space above and below the adjustable frequency drive to allow airflow and cable access. In addition, space in front of the unit must be considered to allow the panel door to be opened. Figure 4.9: Space in front of IP21/IP54 enclosure type, frame size D11. 4-12 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 30 Figure 4.11: Space in front of IP21/IP54 enclosure type, frame size F17. Wire access Ensure that proper cable access is present including the necessary bending allowance. NOTE! All cable lugs/shoes must mount within the width of the terminal bus bar. 4-13 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 31: Assembly Of F Frame Sections
Position filter and drive sections in proximity to one another. The filter section will attach to the left side of the drive section. Open the rectifier section door and remove the cover shielding the bus bars. Cover shielding bus bars Apply included gasket to indicated surface on cabinet. 4-14 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 32 4 How to Install Apply gasket to this surface Open doors on LCL side of filter, right most cabinet, and remove indicated shields. Shields to remove Remove indicated inductor module. 4-15 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 33 A control wire connection will need to be made between the filter section and the drive section. It will consist of two connectors which will plug into one another near the upper shelf of the LCL cabinet. See description below. The doors can now be closed and locked. The drive is ready for operation. 4-16 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 34: Control Wire Connection Between Drive And Filter
For D and E frames this procedure is not necessary upon reception of the unit. However, if a factory reset is performed, the unit must be reprogrammed as specified above. 4-17 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 35: Terminal Locations - Frame Size D
Be aware that the power cables are heavy and hard to bend. Give thought to the optimum position of the adjustable frequency drive for ensuring easy installation of the cables. 4-18 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 36: Terminal Locations - Frame Size E
All D frames are available with standard input terminals or disconnect switch 4.3.6 Terminal Locations - Frame size E Give thought to the following terminal positions when designing the cable access. Section shown ↓ Figure 4.14: Terminal locations E3 - filter 4-19 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 37 Each terminal allows for the use of up to 4 cables with cable lugs or the use of standard box lug. Ground is connected to relevant termination point in the drive. Figure 4.16: Terminal in details 4-20 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 38: Terminal Locations - Frame Size F
Figure 4.17: Terminal locations - Filter (left side, front and right side view). The connector plate is 1.65 in Section shown [42 mm] below .0 level. ↓ 1) Ground bar 4-21 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 39 Figure 4.18: Terminal locations - Rectifier (left side, front and right side view). The connector plate is 1.65 in [42 mm] below .0 level. 1) Load Share Terminal (-) 2) Ground bar Section shown 3) Load Share Terminal (+) ↓ 4-22 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 40: Cooling And Airflow
The backchannel air can also be ventilated in and out the back of a Rittal TS8 enclosure. This offers a solution where the backchannel could take air from outside the facility and return the heat losses outside the facility thus reducing air-conditioning requirements. 4-23 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 41 Specific heatsink temperature exceeded (power size dependent) Specific Power Card ambient temperature exceeded (power size-dependent) Specific Control Card ambient temperature exceeded Once the fan is started, it will run for a minimum of 10 minutes. 4-24 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 42 Figure 4.20: D frame Derating vs. Pressure Change Drive air flow: 450 cfm (765 m Figure 4.21: E frame Derating vs. Pressure Change (Small Fan), P315 Drive air flow: 650 cfm (1105 m 4-25 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 43 Figure 4.22: E frame Derating vs. Pressure Change (Large Fan) P355-P450 Drive air flow: 850 cfm (1445 m Figure 4.23: F frame Derating vs. Pressure Change Drive air flow: 580 cfm (985 m 4-26 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 44 Figure 4.24: Example of proper installation of the gland plate. Frame size D11 Frame size E7 Cable entries viewed from the bottom of the adjustable frequency drive 1) Line cable connection 2) Motor cable connection 4-27 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 45 The bottom plate of the E frame can be mounted from either inside or outside of the enclosure, allowing flexibility in the installation process, i.e., if mounted from the bottom the connectors and cables can be mounted before the adjustable frequency drive is placed on the pedestal. 4-28 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 46 Insert the drip shield and replace the screws. • Torque the screws to 5.6 Nm (50 in-lbs). NOTE! Drip shield is necessary on both filter and drive section. ↓ ↓ Figure 4.26: Install the drip shield. 4-29 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 47: Field Installation Of Options
The line power shield is for installation with D and E frames and satisfy BG-4 requirements. Ordering numbers: D frames: 176F0799 E frames: 176F1851 NOTE! For further information, please see the Instruction Sheet, 175R5923 4-30 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 48: Frame Size F Panel Options
Includes a redundant 4-wire emergency stop pushbutton mounted on the front of the enclosure and a Pilz relay that monitors it in conjunction with the drive’s safe stop circuit and the line power contactor located in the options cabinet. 4-31 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 49 Fault diagnostics for wire breakage or short-circuits of sensor leads • ATEX/UL/CSA certification • A third thermistor input can be provided by the PTC thermistor option card MCB 112, if necessary. 4-32 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 50: Electrical Installation
The adjustable frequency drive has been EMC tested with a given length of cable. Keep the motor cable as short as possible to reduce the noise level and leakage currents. 4-33 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 51 In motors without phase insulation paper or other in- sulation reinforcement suitable for operation with volt- age supply (such as a adjustable frequency drive), fit a sine-wave filter on the output of the adjustable fre- quency drive. 4-34 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 52 VLT AQUA Low Harmonic Drive Instruction Manual 4 How to Install Figure 4.27: Frame size D11 Load sharing option Line AUX Fan Brake option Temp Switch Motor AUX Relay Fan/SMPS fuse 4-35 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 53 VLT AQUA Low Harmonic Drive Instruction 4 How to Install Manual Figure 4.28: Position of ground terminals (drive section) Figure 4.29: Frame size E7 4-36 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 54 VLT AQUA Low Harmonic Drive Instruction Manual 4 How to Install Load sharing option Line AUX Fan Brake option Temp Switch Motor AUX Relay Fan/SMPS fuse 4-37 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 55 VLT AQUA Low Harmonic Drive Instruction 4 How to Install Manual Figure 4.30: Active Filter, frame size F17 Section shown ↓ Line Bus bars to rectifier section of drive Fuse block 4-38 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 56 VLT AQUA Low Harmonic Drive Instruction Manual 4 How to Install Figure 4.31: Rectifier Cabinet, frame size F17 Section shown ↓ 4-39 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 57 Manual Motor Controller fuses (3 or 6 pieces). See fuse tables for part numbers Connection point to filter Line Fuses, F1 and F2 frame (3 pieces). See fuse tables for part numbers 30 Amp Fuse Protected Power fuses 4-40 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 58 VLT AQUA Low Harmonic Drive Instruction Manual 4 How to Install Figure 4.32: Inverter Cabinet, frame size F17 Section shown ↓ 4-41 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 59 If ELCB relays are used, local regulations must be observed. Relays must be suitable for protection of 3-phase equipment with a bridge rectifier and for a brief discharge on power-up. See also the section Special Conditions in the Design Guide. 4-42 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 60 8.5–20.5 Nm (75–181 in-lbs) Line power 19–40 Nm (168–354 in-lbs) Motor Load sharing 19–40 Nm (168–354 in-lbs) Brake 8.5–20.5 Nm (75–181 in-lbs) Regen 8.5–20.5 Nm (75–181 in-lbs) Table 4.2: Torque for terminals 4-43 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 61 The direction of rotation can be changed by switching two phases in the motor cable or by changing the setting of par. 4-10 Motor rotation check can be performed using par. 1-28 Motor Rotation Check and following the steps shown in the display. 4-44 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 62 Please note that voltages up to 790 VDC, depending on the supply voltage, may occur on the terminals. F Frame Requirements The brake resistor(s) must be connected to the brake terminals in each inverter module. 4-45 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 63 Load sharing calls for extra equipment and safety considerations. For further information, see load sharing Instructions MI.50.NX.YY. Please note that a line power disconnect may not isolate the adjustable frequency drive due to DC link connection 4-46 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 64: Ac Line Input Connections
AC line (jumpers between 100-102 and 101-103). If an external supply is needed, the jumpers are removed and the supply is connected to terminals 100 and 101. A 5 Amp fuse should be used for protection. In UL applications, this should be a LittleFuse KLK-5 or equivalent. 4-47 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 65: Power And Control Wiring For Non-Shielded Cables
When shielded/armored cable is not used, at least three separate conduits must be connected to the panel option (see figure below). • Power wiring into the enclosure • Power wiring from the enclosure to the motor • Control wiring 4-48 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 66: Fuses
Short-circuit protection: The adjustable frequency drive must be protected against short-circuit to avoid electrical or fire hazard. Danfoss recommends using the fuses mentioned below to protect service personnel and equipment in case of an internal failure in the drive. The adjustable frequency drive provides full short-circuit protection in case of a short-circuit on the motor output.
Page 67 6 A, 600 V Any listed Class J Dual Element, Time Delay, 6 A Table 4.11: Control Transformer Fuse Frame size Bussmann PN* Rating GMC-800MA 800 mA, 250 V Table 4.12: NAMUR Fuse 4-50 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 68 2.8 times the AC line voltage due to transmission line effects in the motor cable. If a motor has lower insulation rating, it is recommended to use a du/dt or sine-wave filter. 4-51 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 69: Control Cable Routing
Use an insulated bearing as recommended by the motor manufacturer (note: Motors from reputable manufacturers will typically have these fitted as standard in motors of this size) If found to be necessary and after consultation with Danfoss: Lower the IGBT switching frequency Modify the inverter waveform, 60°...
Page 70 4.6.21 Access to Control Terminals All terminals to the control cables are located beneath the LCP (both filter and drive LCP). They are accessed by opening the door of the unit. 4-53 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 71: Electrical Installation, Control Terminals
Remove the screwdriver. The cable is now mounted in the terminal. To remove the cable from the terminal: Insert a screwdriver in the square hole. Pull out the cable. Max. 0.015 x 0.1 in. [0.4 x 2.5 mm] 4-54 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 72: Connection Examples For Control Of Motor With External Signal Provider
Terminal 18 Digital Input Start Terminal 18 = par. 5-10 Terminal 27 Digital Input No operation Terminal 27 = par. 5-12 (De- coast inverse fault Terminal 37 = Safe stop 4-55 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 73: Pulse Start/Stop
Manual 4.7.2 Pulse Start/Stop Terminal 18 = par. 5-10 Terminal 18 Digital Input Latched start Terminal 27 Digital Input Stop inverse Terminal 27= par. 5-12 Terminal 37 = Safe stop 4-56 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 74 Terminal 53, Low Voltage = 0 Volt Terminal 53, High Voltage = 10 Volt Terminal 53, Low Ref./Feedback = 0 RPM Terminal 53, High Ref./Feedback = 1,500 RPM Switch S201 = OFF (U) 4-57 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 75: Electrical Installation - Additional
The digital and analog inputs and outputs must be connected separately to the control cards of the unit (both filter and drive, terminal 20, 55, 39) to avoid ground currents from both groups to affect other groups. For example, switching on the digital input may disturb the analog input signal. 4-58 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 76 EMC performance. Connect the wires as described in the Instruction Manual for the adjustable frequency drive. Remember to connect the shields in a proper way to ensure optimum electrical immunity. 4-59 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 77: Switches S201, S202, And S801
When changing the function of S201, S202 or S801, be careful not to force the switch over. It is recommended to remove the LCP fixture (cradle) when operating the switches. The switches must not be operated while the adjustable frequency drive is powered. 4-60 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 78: Final Set-Up And Test
Stop the AMA during operation Press the [OFF] key - the adjustable frequency drive enters into alarm mode and the display shows that the AMA was terminated by the user. 4-61 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 79 "Report Value" in the [Alarm Log] shows the last measuring sequence carried out by the AMA before the adjustable frequency drive entered alarm mode. This number along with the description of the alarm will assist you in troubleshooting. If you contact Danfoss for service, make sure to mention the number and alarm description.
Page 80: Additional Connections
Problems may arise at start and at low RPM values if motor sizes are widely different because small motors' relatively high ohmic resistance in the stator calls for a higher voltage at start and at low RPM values. 4-63 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 81: Motor Thermal Protection
For thermal motor protection, it is also possible to use the MCB 112 PTC thermistor card option. This card provides an ATEX certificate to protect motors Design Guide in explosion hazard areas, Zone 1/21 and Zone 2/22. Please refer to the for further information. 4-64 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 82: How To Operate The Low Harmonic Drive
The LCD display is back lit with a total of 6 alpha-numeric lines. All data is displayed on the LCP, which can show up to five operating variables while in [Status] mode. The picture below shows an example of the drive LCP. The filter LCP looks identical but displays information related to the filter operation. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 83 Each value / measurement readout parameter selected in par. 0-20 to par. 0-24 has its own scale and number of digits after a possible decimal point. Larger numeric values are displayed with few digits after the decimal point. Ex.: Current readout 5.25 A; 15.2 A 105 A. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 84 Bottom section always shows the state of the adjustable frequency drive in status mode. Display contrast adjustment Press [status] and [▲] for darker display Press [status] and [▼] for brighter display ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 85 It is possible to switch directly between Main Menu mode and Quick Menu mode. Parameter shortcut can be carried out by pressing down the [Main Menu] key for 3 seconds. The parameter shortcut allows direct access to any parameter. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 86 Reset • Coasting stop inverse (motor coasting to stop) • Reversing • Set-up select lsb - Set-up select msb • Stop command from serial communication • Quick stop • DC brake ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 87 ] key increases the value, the [ ] key decreases the value. Press the [Cancel] key to disregard the change, or press the [OK] key to accept the change and enter the new setting. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 88 , par. 1-22 Motor Voltage Motor Frequency and par. 1-23 The parameters are changed both as a group of numeric data values, and as numeric data values using an infinite number of variables. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 89: Tips And Tricks
All parameter settings are now stored in the GLCP indicated by the progress bar. When 100% is reached, press [OK]. The GLCP can now be connected to another adjustable frequency drive and the parameter settings copied to this adjustable frequency drive. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 90 Par. 15-05 2b. Press [Menu] while powering up for LCP 101, Numerical Display 3. Release the keys after 5 s 4. The adjustable frequency drive is now programmed according to default settings ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 91 Use only an isolated laptop as PC connection to the USB connector on the adjustable frequency drive. Control Terminals Figure 5.5: For control cable connections, see section on 5-10 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 92 5.1.13 PC software tools PC-based Configuration Tool MCT 10 The low harmonic drive is equipped with two serial communication ports. Danfoss provides a PC tool for communication between PC and adjustable Available Literature frequency drive, PC-based Configuration Tool MCT 10. Please check the section on for detailed information on this tool.
Page 93 Smart Logic Controller Set-up Ordering number: Please order the CD containing MCT 10 Set-up Software using code number 130B1000. WWW.DANFOSS.COM, Business Area: Motion Controls MCT 10 can also be downloaded from the Danfoss website: 5-12 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 94: How To Program The Low Harmonic Drive
All digital input/output and analog input/output terminals are multifunctional. All terminals have factory default functions suitable for the majority of water applications but if other special functions are required, they must be programmed in parameter group 5 or 6. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 95 (factory default value) is selected in Terminal 27, a connection to +24V is necessary to enable start. NOTE! For detailed parameter descriptions, please see the following section on Commonly Used Parameters - Explanations ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 96 1-24 Motor Current 1-25 Motor Nominal Speed 3-41 Ramp 1 Ramp-up Time 3-42 Ramp 1 Ramp-down Time 4-11 Motor Speed Low Limit 4-13 Motor Speed High Limit 1-29 Automatic Motor Adaptation (AMA) ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 97 Figure 6.4: Step 3: Use the up/down navigation keys to scroll down to Function Set-ups. Press [OK]. Figure 6.8: Step 7: Use the up/down navigation keys to se- lect between the different choices. Press [OK]. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 98 Please notice that the parameters listed in the below tables for Q5 only serve as examples since they will vary depending on the programming of the particular adjustable frequency drive. Q5-1 Last 10 Changes 20-94 PID Integral Time 20-93 PID Proportional Gain Q5-2 Since Factory Setting 20-93 PID Proportional Gain 20-94 PID Integral Time ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 99 ) will determine other parameters available for programming. For example, selecting Closed-loop enables additional parameters related to closed-loop operation. Option cards added to the unit enable additional parameters associated with the option device. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 100 After selecting a parameter group, choose a parameter by means of the navigation keys. The middle section on the GLCP display shows the parameter number and name, as well as the selected parameter value. Figure 6.10: Display example. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 101: How To Program The Active Filter
PNP mode. If NPN mode is desired, it is necessary to change the wiring in the filter part of the Low Harmonic Drive. Before changing the setting in par. 5-00 to NPN mode, the wire connected to 24 V (control terminal 12 or 13) must be changed to terminal 20 (ground). ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 102: Vlt Aqua Drive - Description Of Common Parameters
AQUA Drive applications are also explained in the following section. ® For a detailed explanation of all parameters, please refer to the VLT AQUA Drive Programming Guide MG.20.OX.YY which is available at www.danfoss.com or by ordering it from the local Danfoss office. 6.3.2 0-** Operation / Display Parameters related to the fundamental functions of the adjustable frequency drive, function of the LCP buttons and configuration of the LCP display.
Page 103 Speed in RPM (revolutions per minute), i.e., the motor shaft speed in closed-loop based on the entered motor nameplate data, the output frequency and the load on the adjustable frequency drive. 6-10 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 104 Actual value at output X30/8 (General Purpose I/O Card. Optional) Use Par. 6-60 to select the var- iable to be shown. [1680] Serial com. bus CTW 1 Control word (CTW) received from the bus master. 6-11 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 105 Function: Select a variable for display in line 1, right position. Display Line 1.1 Small [1614] * Motor Current The options are the same as those listed for par. 0-20 6-12 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 106 This parameter does not display the actual time. This can be read in par. 0-89. 23:59 * The clock will not begin counting until a setting different from default has been made. 6-13 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 107 (e.g., constant pressure or flow). The PID controller must be configured in par. 20-** or via the function set-ups accessed by pressing the [Quick Menu] button. 6-14 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 108 Enter the nominal motor current value from the motor nameplate data. This data is used for cal- dependent* culating motor torque, motor thermal protection, etc. NOTE! This parameter cannot be adjusted while the motor is running. 6-15 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 109 This parameter cannot be adjusted while the motor is running. NOTE! Full AMA should be run without filter only while reduced AMA should be run with filter. 6-16 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 110 If operating with par. 1-00 Configuration Mode set for Closed-loop [3], Maximum Reference/Feedb. par. 20-14 must be used. 3-10 Preset Reference Array [8] Range: Function: 0.00 %* [-100.00 - 100.00 %] 6-17 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 111 0 seconds, the Check Valve Ramp Time is effectuated and will be used to ramp down the speed from Motor Speed Low Limit to the Check Valve End Speed in par. 3-86 or par. 3-87. 6-18 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 112 Function: 0 [Hz]* [0 – Motor Speed Low Limit [Hz]] Set the speed in [Hz] below Motor Speed Low Limit where the Check Valve Ramp will no longer be active. 6-19 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 113 Motor Speed High Limit [RPM] Warning Speed High Any changes in par. 4-13 will reset the value in par. 4-53 to the same value as set Motor Speed High Limit [RPM] in par. 4-13 6-20 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 114 Pump 1 Interlock [130] Pump 2 Interlock [131] Pump 3 Interlock [132] All = Terminals 18, 19, 27, 29, 32, X30/2, X30/3, X30/4. X30/ are the terminals on MCB 101. 6-21 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 115 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. 6-22 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 116 Hand Start Auto-Start Auto [54] Auto-start A signal applied will put the adjustable frequency drive into auto mode as if the LCP button has been pressed. See also Hand Start [53] 6-23 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 117 Controlled by RELAY7 [138] Pump9 Interlock Controlled by RELAY9 Controlled by RELAY8 5-13 Terminal 29 Digital Input Option: Function: Digital Inputs [0] * No Operation Same options and functions as par. 5-1* 6-24 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 118 [19] Below Feedback, low [20] Above Feedback, high [21] Thermal Warning [25] Reverse [26] Bus OK [27] Torque Limit & Stop [28] Brake, No Warning [29] Brake Ready, No Fault 6-25 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 119 [169] Drive in Auto Mode [180] Clock Fault [181] Prev. Maintenance [190] No-Flow [191] Dry Pump [192] End of Curve [193] Sleep Mode [194] Broken Belt [195] Bypass Valve Control 6-26 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 120 [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 6-27 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 121 10.00 V* [Application dependant] Enter the high voltage value. This analog input scaling value should correspond to the high refer- Terminal 54 High Ref./Feedb. Value ence/feedback value set in par. 6-25 6-28 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 122 0 - Speed High Limit (4-13 and 4-14) [139] Bus ctrl. 0–100%, (0–20 mA) [140] Bus ctrl. 4-20 mA 0 - 100% [141] Bus ctrl t.o. 0–100%, (0–20 mA) [142] Bus ctrl 4-20mA t.o. 0 - 100% 6-29 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 123 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% 6-30 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 124 Terminal 42 Output Max Scale Output signal 10 mA is needed at Max ref (100% of range) - set par. 6-52 to 200% (20 mA / 10 mA x 100%=200%). 6-31 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 125 [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] [126] /min [127] [130] lb/s [131] lb/min 6-32 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 126 This is useful in applications in which the driven load must first quickly accelerate to a minimum speed when it is started. NOTE! Motor Speed Unit This parameter will only be visible if par. 0-02 is set to [0], RPM. 6-33 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 127 The adjustable frequency drive must be set for open-loop (par. 1-00 Torque Characteristics Note that it is important also to set par. 1-03 NOTE! Auto set-up must be done when the system has reached normal operating temperature! 6-34 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 128 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’ automatic bypass function, if [3] Alarm is selected as the No-Flow Function. 6-35 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 129 If No Flow is detected when it should not be detected, the setting should be decreased. However, if No Flow is not detected when it should be detected, the setting should be increased to above 100%. 6-36 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 130 International (parameter not visible if dependent* North America selected). Set power consumption to 85% speed level. This function is used for storing values needed to tune No-flow Detection. 6-37 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 131 If used in application where the integrated PI controller is set for inverse control PID, Normal/Inverse Control in par. 20-71, , the value set in par. 22-44 will au- tomatically be added. 6-38 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 132 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 End of Curve Function. 6-39 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 133 100% = Ideal shape (theoretical). NOTE! Please note: Not visible when running in cascade. 22-82 Work Point Calculation Option: Function: Example 1: Speed at System Design Working Point is known: 6-40 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 134 Speed at No-Flow [Hz] , par. 22-87 Pressure at No- Flow Speed Pressure at Rated Speed Flow at Design Point , par. 22-88 , par. 22-89 Flow at Rated Speed par. 22-90 6-41 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 135 Closing the valves and reducing the speed until minimum pressure H is achieved will determine this value. Please also see par. 22-82 Work Point Calculation point C. 6-42 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 136 In par. 0-79 , it is possible to program for a warning in case the clock has not been set properly, e.g., after a power-down. 6-43 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 137 Set digital out F high [60] Reset Counter A [61] Reset Counter B [80] Sleep Mode NOTE! For choices [32] - [43], see also par. group 5-3*E-##, Digital Outputs and 5-4*, Relays 6-44 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 138 [34] Set digital out C low [35] Set digital out D low [36] Set digital out E low [37] Set digital out F low [38] Set digital out A high 6-45 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 139 Working Days Additional Working Days Additional Non-Working par. 0-81 , par. 0-82 and par. 0-83 Days [0] * All days Working days Non-working days Monday Tuesday Wednesday Thursday Friday Saturday Sunday 6-46 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 140 Specifies the filled setpoint at which the pipe fill function will be disabled and the PID controller will take control. This function can be used both for horizontal and vertical pipe systems. 6-47 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 141: Parameter Options
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 6-48 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 142: Operation And Display
Uint8 TimeOf- 0-82 Additional Working Days ExpressionLimit 1 set-up TRUE TimeOf- 0-83 Additional Non-Working Days ExpressionLimit 1 set-up TRUE 0-89 Date and Time Readout 0 N/A All set-ups TRUE VisStr[25] 6-49 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 143: Load / Motor
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 6-50 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 144: Brakes
[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 ExpressionLimit All set-ups TRUE TimD 6-51 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 145: Limits / Warnings
4-62 Bypass Speed to [RPM] ExpressionLimit All set-ups TRUE Uint16 4-63 Bypass Speed To [Hz] ExpressionLimit All set-ups TRUE Uint16 4-64 Semi-Auto Bypass Set-up [0] OFF All set-ups FALSE Uint8 6-52 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 146: 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 6-53 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 147: 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 6-54 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 148: 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 6-55 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 149: Profibus
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 6-56 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 150: Special Functions
Function at Overtemperature [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 6-57 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 151: Fc Information
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 6-58 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 152: Data Readouts
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 6-59 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 153: 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 6-60 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 154: Ext. Closed-Loop
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 6-61 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 155: 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 6-62 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 156: Time-Based Funtions
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 6-63 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 157: Cascade 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 6-64 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 158: Analog I / O Option Mcb
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 6-65 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 159: Parameter Options - Filter
[0] Full access 1 set-up TRUE Uint8 0-65 Quick Menu Password 200 N/A 1 set-up TRUE Int16 0-66 Access to Quick Menu w/o Password [0] Full access 1 set-up TRUE Uint8 6-66 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 160: Digital In/Out 5
Max Inter-Char Delay 25 ms 1 set-up TRUE Uint16 8-5* Digital/Bus 8-53 Start Select [3] Logic OR All set-ups TRUE Uint8 8-55 Set-up Select [3] Logic OR All set-ups TRUE Uint8 6-67 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 161: Special Functions 14
Int32 14-5* Environment 14-50 RFI filter [1] On 1 set-up FALSE Uint8 14-53 Fan Monitor [1] Warning All set-ups TRUE Uint8 14-54 Bus Partner 1 N/A 2 set-ups TRUE Uint16 6-68 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 162: Fc Information 15
All set-ups FALSE Uint16 15-93 Modified Parameters 0 N/A All set-ups FALSE Uint16 15-98 Unit Identification 0 N/A All set-ups FALSE VisStr[40] 15-99 Parameter Metadata 0 N/A All set-ups FALSE Uint16 6-69 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 163: Data Readouts 16
300-29 Start Auto CT Detection [0] Off All set-ups FALSE Uint8 300-3* Compensation 300-30 Compensation Points 0.0 A All set-ups TRUE Uint32 300-35 Cos-phi Reference 0.500 N/A All set-ups TRUE Uint16 6-70 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 164: Af Readouts301
301-2* Line Power Status 301-20 Line Power Current [A] All set-ups TRUE Int32 301-21 Line Power Frequency 0 Hz All set-ups TRUE Uint8 301-22 Fund. Line Power Current [A] All set-ups TRUE Int32 6-71 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 165 VLT AQUA Low Harmonic Drive Instruction 6 How to Program the Low Harmonic Drive Manual 6-72 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 166: Installation And Set-Up
To prevent impedance mismatch, always use the same type of cable throughout the entire network. When connecting a motor to the adjustable frequency drive, always use shielded motor cable. Cable: Shielded twisted pair (STP) Impedance: 120 Ohm Cable length: Max. 3,396 ft [1200 m] (including drop lines) Max. 1,640 ft [500 m] station-to-station ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 167 Connect the cable screen to the cable clamps. NOTE! Shielded, twisted-pair cables are recommended in or- der to reduce noise between conductors. Figure 7.2: Control card terminals Figure 7.1: Network Terminal Connection ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 168 Use the terminator dip switch on the main control board of the adjustable frequency drive to terminate the RS-485 bus. NOTE! The factory setting for the dip switch is OFF. Terminator Switch Factory Setting ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 169 When crossing is unavoidable, the RS-485 cable must cross motor and brake resistor cables at an angle of 90 degrees. The adjustable frequency drive protocol, also referred to as adjustable frequency drive bus or standard bus, is the Danfoss standard serial communication bus.
Page 170: Network Configuration
Each message begins with a start character (STX)=02 Hex, followed by a byte denoting the message length (LGE) and a byte denoting the adjustable frequency drive address (ADR). A number of data bytes (variable, depending on the type of message) follows. The message is completed by a data control byte (BCC). ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 171 The slave returns the address byte unchanged to the master in the response telegram. 7.4.5 Data Control Byte (BCC) The checksum is calculated as an XOR-function. Before the first byte in the telegram is received, the calculated checksum is 0. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 172 The parameter block is used to transfer parameters between master and slave. The data block is made up of 12 bytes (6 words) and also contains the process block. Text block: The text block is used to read or write texts via the data block. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 173 Command cannot be performed text transferred If the command cannot be performed, the slave sends this response: 0111 Command cannot be performed - and issues the following fault report in the parameter value (PWE): ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 174 Some parameters contain text that can be written to via the serial bus. To write a text via the PWE block, set the parameter command (AK) to ’F’ Hex. The index characters high-byte must be “5”. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 175 The block of process words is divided into two blocks of 16 bits, which always occur in the defined sequence. PCD 1 PCD 2 Control message (master⇒slave control word) Reference value Control message (slave ⇒master) Status word Present output frequency 7-10 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 176: Examples
Ramp 1 Ramp-up Time 3E8 Hex corresponds to 1000 decimal. The conversion index for par. 3-41 is -2, i.e., 0.01. Ramp 1 Ramp-up Time Unsigned 32 par. 3-41 is of the type 7-11 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 177: How To Access Parameters
Non standard data types are text strings stored as 4x registers (40001–4FFFF). The parameters are read using function 03HEX "Read Holding Registers" and written using function 10HEX "Preset Multiple Registers." Readable sizes range from 1 register (2 characters) up to 10 registers (20 characters). 7-12 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 178: General Specifications
< 14 V DC Maximum voltage on input 28 V DC Input resistance, R approx. 4 kΩ All digital inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 179 Accuracy on analog output Max. error: 0.8% of full scale Resolution on analog output 8 bit The analog output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 180 Control card, 10 V DC output: Terminal number Output voltage 10.5 V ±0.5 V Max. load 25 mA The 10 V DC supply is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 181 Monitoring of the intermediate circuit voltage ensures that the adjustable frequency drive trips if the intermediate circuit voltage is too low or too high. • The adjustable frequency drive is protected against ground faults on motor terminals U, V, W. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 182 Estimated filter losses, 460 V 5279 5819 6681 Weight, enclosure IP21, IP 54 [kg] Efficiency 0.96 Output frequency 0–800 Hz Heatsink overtemp. trip 230°F [110°C] 230°F [110°C] 230°F [110°C] Power card ambient trip 140°F [60°C] ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 183 Estimated filter losses, 460 6670 7023 7697 8099 Weight, enclosure IP21, IP 54 [kg] 0.96 Efficiency Output frequency 0–600 Hz Heatsink overtemp. trip 230°F [110°C] Power card ambient trip 154.4°F [68°C] ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 184 (Though typical, only 4 W extra for a fully loaded control card, or options for slot A or slot B, each.) Although measurements are made with state of the art equipment, some measurement inaccuracy must be allowed for (+/-5%). ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 185 Settling time - harmonic current control < 20 (filtering) [ms] Overshoot - reactive current control [%] < 20 Overshoot - harmonic current control < 10 Table 8.1: Power Ranges (LHD with AF) ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 186: Troubleshooting
. After an alarm or trip, the motor carries on coasting, and the alarm and warning flash on the adjustable frequency drive. Once the problem has been rectified, only the alarm continues flashing. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 187 Analog input 54 wrong settings NoFlow 22-2* Dry Pump 22-2* End of Curve 22-5* Broken Belt 22-6* Start Delayed 22-7* Stop Delayed 22-7* Clock Fault 0-7* Table 9.1: Alarm/Warning code list ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 188 The alarm words, warning words and extended status words can be read out via serial bus or optional serial communication bus for diagnosis. See also Alarm Word Warning Word Ext. Status Word par. 16-90 , par. 16-92 and par. 16-94 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 189 If the motor is mechanically overloaded If the intermediate circuit voltage exceeds the limit, the adjustable fre- quency drive trips after a time. That the motor par. 1-24 Motor Current is set correctly. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 190 Check if the motor is overheating. or software. Check if the motor is mechanically overloaded. Record the value of the following parameters and contact your Danfoss Check that the thermistor is connected correctly between ter- supplier: minal 53 or 54 (analog voltage input) and terminal 50 (+10 V...
Page 191 Brake Resistor Temperature Switch. ALARM 38, Internal fault WARNING/ALARM 28, Brake check failed It may be necessary to contact your Danfoss supplier. Some typical alarm Brake resistor fault: the brake resistor is not connected or not working. messages: Check parameter 2-15, Brake Check.
Page 192 The 24 VDC is measured on the control card. The external 24 VDC backup 2314 Missing power unit data from power unit power supply may be overloaded, otherwise contact your Danfoss sup- 2315 Missing SW version from power unit 2316 Missing io_statepage from power unit plier.
Page 193 ALARM 67, Option module configuration has changed A no-load situation has been detected in the system. See parameter One or more options have either been added or removed since the last group 22-2. power-down. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 194 2 = middle inverter module in F2 or F4 drive. 2 = right inverter module in F1 or F3 drive. 3 = right inverter module in F2 or F4 drive. 5 = rectifier module. ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 195: Alarms And Warnings - Filter (Left Lcp)
If a warning and alarm is marked against a code in the table on the following page, this means that either a warning occurs before an alarm, or it can be specified whether it is a warning or an alarm that is to be displayed for a given fault. 9-10 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 196 A trip lock situation can only be reset by power cycling. 9-11 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 197 Warning Word and par. 16-94 Ext. Status Word . “Reserved” means that the bit is not guaranteed to be any particular value. Reserved bits should not be used for any purpose. 9-12 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 198 The maximum temperature of the heatsink has been exceeded. The tem- One or more options have either been added or removed since the last perature fault will not be reset until the temperature falls below a defined power-down. heatsink temperature. 9-13 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 199 An error was detected while performing auto CT detection. Contact your The temperature of the rectifier heatsink is too low. This could indicate supplier. that the temperature sensor is defective. 9-14 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 200 The Auto CT function could not determine the correct polarity of the CTs. ALARM 318, CT Ratio Error The Auto CT function could not determine the correct primary rating of the CTs. 9-15 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 201 VLT AQUA Low Harmonic Drive Instruction 9 Troubleshooting Manual 9-16 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 202: Index
Control Card, 24 V Dc Output Control Card, Rs-485 Serial Communication: Control Card, Usb Serial Communication Control Characteristics Control Terminals 4-54 Cooling 4-23 Copyright, Limitation Of Liability And Revision Rights Data Readouts 6-70 10-1 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 203 General Considerations 4-12 General Settings, 1-0* 6-14 General Warning Glcp Graphical Display Grounding 4-42 [High Speed Hz] 22-37 6-37 [High Speed Power Hp] 22-39 6-38 [High Speed Power Kw] 22-38 6-37 10-2 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 204 6-17 Mct 10 5-11 Mechanical Brake Control 4-63 Mechanical Dimensions Mechanical Installation 4-12 Message Length (lge) Minimum Reference 3-02 6-17 Minimum Run Time 22-40 6-38 Minimum Sleep Time 22-41 6-38 10-3 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 205 Preset Reference 3-10 6-17 Pressure At No-flow Speed 22-87 6-42 Pressure At Rated Speed 22-88 6-42 Profibus Dp-v1 5-11 Protection 4-49 Protection And Features Protocol Overview Pulse Inputs Pulse Start/stop 4-56 10-4 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 206 Status Messages Step-by-step Stopping Category 0 (en 60204-1) Surroundings Switches S201, S202, And S801 4-60 Switching Frequency: 4-34 Term. 29 High Ref./feedb. Value 5-53 6-27 Terminal 27 Mode 5-01 6-21 10-5 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...
Page 207 Wake-up Ref./fb Difference 22-44 6-38 [Wake-up Speed Hz] 22-43 6-38 [Wake-up Speed Rpm] 22-42 6-38 Warning Against Unintended Start Water Application Functions, 29-** 6-47 Wire Access 4-13 Work Point Calculation 22-82 6-40 10-6 ® MG.20.T1.22 - VLT is a registered Danfoss trademark...

Danfoss VLT AQUA Drive FC 200 Instruction Manual

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