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VLT® 5000 Crane

■

General Warning before Installation

Before starting the installation, please

be aware of heavy weight and sharp

edges. Furthermore, make sure that

no mains are connected

■

Mechanical Installation

The frequency converter must be installed vertically.

The frequency converter is cooled by means of air

circulation. For the unit to be able to release its cooling

air, the

minimum

distance over and below the unit

must be as shown in the illustration below. To protect

the unit from overheating, it must be ensured that the

ambient temperature

does not rise above the max.

temperature stated for the frequency converter

and

that the 24-hour average temperature

is not exceeded

The max. temperature and 24-hour average can be

seen from the General Technical Data.

■

Enclosure Protection

Compact

VLT 5042 - 5102 400-500 V

IP 20

VLT 5152 - 5202 400-500 V

IP 00

■

Installation of VLT 5042–5062 400-500 V

Compact IP20/IP00
Cooling

All Compact units in the above-mentioned series

require a minimum space of 200 mm above and

below the enclosure and must be installed on a

plane, vertical surface (no spacers).

Side-by-side

Compact IP 00/IP20

All units in the above-mentioned series can be installed

side by side without any space between them, since

these units do not require cooling on the sides.

MG.50.N4.02 - VLT is a registered Danfoss trademark

Содержание VLT 5000 Crane Series

Страница 1: ...VLT 5000 Crane Rev 2004 03 29 www danfoss com drives 175R0259 MG50N402 MG50N402 MG50N402 VLT 5000 Crane Operating Instructions Operating Instructions...

Страница 2: ...hanical Installation 24 Installation of VLT 5042 5062 400 500 V Compact IP20 IP00 24 Installation of VLT 5072 5202 400 500 V Compact IP20 IP00 25 Electrical Installation 26 RFI switch 33 LCP Local Con...

Страница 3: ...VLT 5000 Crane Appendix 92 Trouble shooting 92 Derating for air pressure 94 Efficiency 113 General aspects of EMC emissions 114 MG 50 N4 02 VLT is a registered Danfoss trademark 2...

Страница 4: ...e Operating instructions Software version 20 3x These operating instructions can be used for VLT 5000 Crane frequency converters with software version 20 3x See software version number in parameter 62...

Страница 5: ...requency converter is connected to mains Check that the mains supply has been disconnected and that the necessary time has passed before removing motor and mains plugs 7 Please note that the frequency...

Страница 6: ...c technical publications on the VLT 5000 Crane and are delivered with the product When reading these Operating Instructions you come across different symbols that require special attention The symbols...

Страница 7: ...or UM The voltage transmitted to the motor fM The frequency transmitted to the motor Break away torque VLT The efficiency of the frequency converter is defined as the ratio between the power output an...

Страница 8: ...nel is detachable and may as an alternative be installed up to 3 metres away from the frequency converter ie in a front panel by means of the installation kit option Flux Vector If compared with stand...

Страница 9: ...e parameters On line parameters are activated immediately after the data value is changed Off line parameters are not activated until OK has been entered on the control unit CT characteristics Constan...

Страница 10: ...ures reliable galvanic isolation on all control terminals and integrated electronic thermal protection on the motor Function and System Description With VLT 5000 Crane the speed is infinitely varied i...

Страница 11: ...reases the working range as it is possible to switch between normal load and heavy load VLT 5000 will optimise the motor control to the selected gear stage on the basis of the signal on terminal 29 se...

Страница 12: ...g of system brake This means that the whole working range from 0 3000 RPM can be used and the crane system brake is controlled at approx 0 RPM Fault Status at Remote and Local Control Brake fault 1 VL...

Страница 13: ...derating being required The current is split into magnetising and torque generating parts and provides for much better and quicker estimation of the actual motor loads It is now possible to compensat...

Страница 14: ...s is given on LEDs placed near the encoder terminals for each channel as well as for the supply voltage for the encoder Green LED turned on means channel or voltage OK Reliable galvanic isolation In t...

Страница 15: ...VLT 5000 Crane Key Diagram for VLT 5000 Crane 5042 5102 400 500 V MG 50 N4 02 VLT is a registered Danfoss trademark 14...

Страница 16: ...VLT 5000 Crane Introduction Key Diagram for VLT 5000 Crane 5122 5202 400 500 V MG 50 N4 02 VLT is a registered Danfoss trademark 15...

Страница 17: ...1 minute Digital Inputs Number of digital inputs 9 Voltage level 0 24 V DC PNP positive logics Voltage level logical 0 5 V DC Voltage level logical 1 10 V DC Max voltage on input 28 V DC Input resist...

Страница 18: ...at analogue output 0 4 20 mA Max load to ground terminal 39 at analogue output 500 Accuracy of analogue output Max error 1 5 of full scale Resolution on analogue output 8 bit NOTE All digital and ana...

Страница 19: ...ction for control cables 0 75mm2 AWG Max cross section for serial communication 0 75mm2 AWG NOTE Max cable cross section for motor and brake see Installation Accuracy of Display Readout Parameters 009...

Страница 20: ...x For more information on derating see Special Conditions in Appendix VLT 5000 Crane Protection Electronic motor thermal protection against overload Electronic thermal protection against overload Temp...

Страница 21: ...PVLT N HP 30 41 50 Max cable cross section to motor and brake mm 2 AWG 2 3 IP20 50 0 50 0 Rated input current IL N S3 60 A 400 V 51 62 76 Max cable cross section power mm 2 AWG 2 3 35 2 50 0 50 0 Max...

Страница 22: ...120 2x35 2x70 Max cable cross section to motor 400 500 V AWG 2 3 3 0 4 0 2x2 0 2x350 MCM Max cable cross section to brake 400 500 V AWG 2 4 3 0 4 0 2x3 2x2 0 Max input current IL MAX S3 60 A 400 V 89...

Страница 23: ...LITTEL FUSE may substitute KLNR fuses for 240 V drives L50S fuses from LITTEL FUSE may substitute L50S fuses for 240 V drives A6KR fuses from FERRAZ SHAWMUT may substitute A2KR for 240 V drives A50X f...

Страница 24: ...enclosure 400 500 V VLT type A mm B mm C mm a mm b mm ab be mm l r mm 5042 5062 800 308 296 780 270 200 0 5072 5102 800 370 335 780 330 225 0 ab Min space above enclosure be Min space below enclosure...

Страница 25: ...the max temperature stated for the frequency converter and that the 24 hour average temperature is not exceeded The max temperature and 24 hour average can be seen from the General Technical Data Enc...

Страница 26: ...llows 1 Add up the values of P for all VLT 5000 Crane to be installed at the same panel P W 2 Determine the air inlet temperature tIN and the air outlet temperature tOUT C or K 3 Calculate the necessa...

Страница 27: ...er s or certified electrician s responsibility to ensure correct earthing and protection in accordance with applicable national and local norms and standards All terminals for the control cables are l...

Страница 28: ...er 0 75 Pulse signal B from encoder 90 76 Inverted pulse signal B from encoder 90 77 Zero pulse signal from encoder 78 Inverted zero pulse signal from encoder 49 5 V supply to encoder 47 Common for en...

Страница 29: ...twisted screen ends pigtails is to be avoided since these spoil the screening effect at higher frequencies If it is necessary to break the screen to install a motor isolator or motor contactor the sc...

Страница 30: ...rmoured Connect the screen to the metal cabinet of the frequency converter and to the metal cabinet of the brake resistor by means of cable clamps Dimension the cross section of the brake cable to mat...

Страница 31: ...8 mm Allen wrench 5122 53024 19 M10 bolt 1 Brake terminals 3 0 Nm Nut M6 2 Brake and loadsharing 14 Nm M6 Allen screw 3 IP54 with RFI Line terminals 6Nm Screw M6 5 mm Allen wrench 4 Loadshare and bra...

Страница 32: ...5 interface serial communication Switch 4 is used for separating the common potential for the internal 24 V DC supply from the common potential of the external 24 V DC supply NB Please note that when...

Страница 33: ...act IP 20 VLT 5072 5102 400 500 V Compact IP 00 without disconnect and fuse VLT 5122 5302 400 500 V Compact IP 00 without disconnect and fuse VLT 5202 5302 400 500 V MG 50 N4 02 VLT is a registered Da...

Страница 34: ...unit Check that the mains supply has been disconnected before operating the RFI switch NB Open RFI switch is only allowed at factory set switching frequencies NB The RFI switch disconnects the capacit...

Страница 35: ...screen with a lower ZT is more effective than a screen with a higher ZT ZT is rarely stated by cable manufacturers but it is often possible to estimate Z T by looking at and assessing the physical des...

Страница 36: ...y converter If the earth potential between the frequency converter and the PLC etc is different electric noise may occur that will disturb the whole system This problem can be solved by fitting an equ...

Страница 37: ...is displayed via a 4 line alphanumeric display which during normal operation will be able to continuously display 4 items of operating data and 3 operating modes During programming all information nee...

Страница 38: ...If certain threshold values are exceeded the alarm and or warning LED lights up concurrently with a status and alarm text on the control panel Display Read Out State The display read out state can be...

Страница 39: ...the example Frequency has been selected as variable via parameter 009 During normal operation another variable can immediately be read out by using the keys Read out state II Switching between read o...

Страница 40: ...is shown in line 4 Changing data Regardless of whether a parameter has been selected under the Quick menu or the Menu mode the procedure for changing data will be the same Pressing the CHANGE DATA key...

Страница 41: ...iable Change of NumericData Value If the chosen parameter represents a numeric data value a digit is first selected by means of the keys 50 0 HZSETUP 1 FREQUENCY 102 MOTOR POWER 0 37 KW Then the chose...

Страница 42: ...US VAR 1 1 VAR 1 2 VAR 1 3 1500 RPM FREQUENCY 0 KEYB DISPLAY 1500 RPM 001 LANGUAGE ENGLISH FREQUENCY 001 LANGUAGE ENGLISH 1500 RPM FREQUENCY 001 LANGUAGE ENGLISH 1500 RPM 001 LANGUAGE ENGLISH DATA CHA...

Страница 43: ...are the following Level 0 Danfoss service not accessable Level 1 Commissioning 110775 Level 2 Normal operation 000002 NB NOTE that level 1 and level 2 passwords must be re entered after each power up...

Страница 44: ...B Note that the fwd rev function is not active in crane profile The function only functions if the VLT is programmed to run as a normal VLT 5000 see parameter 512 START is used to start the frequency...

Страница 45: ...500 kW Depends on unit No 9 1 6 1 103 Motor voltage 200 500 V Depends on unit No 21 0 6 1 104 Motor frequency 24 1000Hz Depends on unit No 28 0 6 1 105 Motor current 0 01 1VLT MAX Depends on unit No 2...

Страница 46: ...imit motor mode 0 0 170 160 Yes 24 1 6 1 222 Torque limit generator operation 0 0 170 160 Yes 24 1 6 1 234 Missing motor phase Enable Yes 0 0 5 1 235 Phase loss monitor Enable No 0 0 5 1 236 Low speed...

Страница 47: ...min scaling 0 0 20 0mA 4 0 mA Yes 22 4 5 1 316 Terminal 60 max scaling 0 0 20 0mA 20 0 mA Yes 22 4 5 1 317 Time out 0 sec 0 sec Yes 4 0 5 1 318 Function after time out Off Yes 0 0 5 1 319 Terminal 42...

Страница 48: ...o 8 2 7 2 603 Operation Data Power ups No 0 0 6 2 604 Operation Data Over temps No 0 0 6 2 605 Operation Data Over volts No 0 0 6 2 615 Fault log Error code No 0 0 5 2 616 Fault log Time No 0 1 7 2 61...

Страница 49: ...26 Gear inertia 2 0 1 Depends on unit No 0 4 6 1 727 Mean radius 2 0 2 Depends on unit No 0 3 6 1 740 Power limit function Constant power No 0 0 5 1 741 Mechanical speed N1 Depends on unit No 11 0 6 1...

Страница 50: ...VLT 5000 Crane Programming Parameter survey factory setting display text value for use in communication via serial communication port MG 50 N4 02 VLT is a registered Danfoss trademark 49...

Страница 51: ...keys 5 An external control command that can be connected to the digital inputs NB The FWD REV key is located on the LCP control unit 003 LOCAL REFERENCE Function This parameter allows manual setting o...

Страница 52: ...basis of configuration in parameter 100 Hz Hz and rpm Frequency Hz gives the motor frequency ie the output frequency from the frequency converter Motor speed RPM corresponds to the present motor speed...

Страница 53: ...meter 009 for choices Motor current A Function This parameter enables a choice of the second of the three data values to be shown on the display line 1 position 2 For Display read outs press the DIS P...

Страница 54: ...able 0 is selected in this parameter the RESET key will be inactive However this is not possible when operating in crane profile NB When running in FC profile do not select Disable 0 unless an externa...

Страница 55: ...at depends on the type of unit Description of choice Select a value that equals the nameplate data on the motor There are 4 possible undersizes or 1 oversize in comparison with the factory setting Als...

Страница 56: ...eter 124 is to be activated Select Motor check 2 if the frequency converter is to check whether or not a motor has been connected 124 DC HOLD CURRENT Value 50 Function This parameter is used to mainta...

Страница 57: ...factory setting the parameters are set accordingly to the motor name plates If these parameters are not set correctly it may cause a malfunction of the drive 150 STATOR RESISTANCE Value Ohm Depends on...

Страница 58: ...arameter 157 FIELD WEAKENING SPEED Value 0 6000 RPM Depends on unit Function In this parameter the field weakening point for the Flux Vector control is set 158 IRONLOSS RESISTANCE Value 1 10000 10000...

Страница 59: ...parameter 104 to 0 Hz or from the rated motor speed n M N provided there is no over voltage in the inverter because of regenerative operation of the motor or if the generated current reaches the torqu...

Страница 60: ...hoice In order to protect the motor from reaching pull out torque the factory setting is 1 6 x the rated motor torque calculated value If a setting in parameters 101 106 is changed parameters 221 222...

Страница 61: ...sable is selected no alarm is given if a motor phase is missing The converter may be damaged when running with a missing input phase It is therefore recommended to keep the phase loss monitor function...

Страница 62: ...itioning mode is only available when running in remote control If the signal is removed the frequency converter is to operate in normal mode Start lowering is selected when the frequency converter is...

Страница 63: ...nverse is activated by interrupting the voltage to the terminal This means that if the terminal has no voltage the motor cannot run The stop will be effected in accordance with the selected ramp param...

Страница 64: ...er 317 Time out and 318 Function after time out the value set must be higher than 1 Volt 310 AI 53 SCALE HIGH Value 0 10 0 Volt 10 0 Volt Function This parameter is used for setting the signal value t...

Страница 65: ...ruled to jog frequency 3 overruled to max output frequency 4 overruled to stop with subsequent trip 5 319 AO 42 FUNCTION Value No operation NO OPERATION 40 0 100 Hz 0 20mA 0 100 HZ 0 20MA 41 0 100 Hz...

Страница 66: ...20 mA An output signal is obtained which is proportional to 160 of the rated motor torque 160 yields 0 4 mA 0 yields 10 12 mA and 160 yileds 20 mA 321 AO 45 FUNCT Value Function On these analogue out...

Страница 67: ...warning THERMAL WARNING 16 Unit ready and no thermal warning READY NO THERM WARN 17 Unit ready and no over undervoltage RDY NO OVER UNDERVOL 18 Control word bit 11 CTRL WORD BIT 11 19 Control word bit...

Страница 68: ...the inputs The mains voltage is within the permitted voltage range Control word bit 11 The output is controlled by bit 11 in serial control word See Serial communication in Appendix Control word bit 1...

Страница 69: ...er transmitted over 120 sec exceeds 100 of the monitoring limit parameter 402 and Warning 1 has been selected a warning will come up on the display The warning will disappear if the power goes below 8...

Страница 70: ...giving an alarm trip locked if the brake resistor has short circuited or been disconnected or if the brake IGBT has short circuited 405 RESET MODE Value Manual reset MANUAL RESET 0 Reset at power up R...

Страница 71: ...e frequency converter Parameter 604 Number of overtemperatures Gives the number of overtemperature faults that have been registered on the frequency converter s heat sink Parameter 605 Number of overv...

Страница 72: ...s except parameters 603 605 can be initialised This function will not become active until the mains supply to the frequency converter has been turned off and then turned on again Description of choice...

Страница 73: ...G 630 Communication option type COM OPTION 631 Communication ordering COM ORDERING Function The unit s main data can be read out from parameters 621 to 635 Type plate using the LCP control unit or ser...

Страница 74: ...RD LEVEL 2 000002 Password level 1 PASSWORD LEVEL 1 110775 Function After entering the correct password the new protection level is shown in the LCP After power up the password is to be re entered in...

Страница 75: ...ion Load Monitoring of load contacts 1 and 2 can be either disabled or enabled in this parameter 704 LOW SPD AT ERROR Value 200 200 RPM 50 RPM Function With this parameter you can choose the lowering...

Страница 76: ...718 ENCODER MONITOR Value 0 DISABLE 0 1 ENABLE 1 Function This parameter makes it possible to choose between disable and enable in order not to monitor or to monitor the encoder hardware 720 DRUM INER...

Страница 77: ...OWER LIMIT FUNC Value 0 CONSTANT POWER 0 1 USER DEFINED 1 2 OFF 2 Function With this parameter it is possible to choose between a speed limitation based on constant power or a speed limitation based o...

Страница 78: ...e speed point for power speed curve at N4 Description of choice The parameter is limited between N3 par 745 speed and output speed high limit par 202 748 POWER AT N4 Value kW Depends on unit Function...

Страница 79: ...alue kW Depends on unit Function Set the power loss at N2 Description of choice This parameter is limited to be less than or equal to the power at N1 757 Power Loss N3 Value kW Depends on unit Functio...

Страница 80: ...Function Set the power loss at N7 Description of choice This parameter is limited to be less than or equal to the power at N6 factory setting display text value for use in communication via serial co...

Страница 81: ...on the control card for ON see Switches 1 4 Bus Connection RS 232 The purpose of the RS 232 is to enable communication between a PC and one VLT With this communication it is possible to monitor progr...

Страница 82: ...26 Data read out Motor thermal No 24 0 5 2 527 Data read out VLT thermal No 24 0 5 2 528 Data read out Digital input No 0 0 5 2 529 Data read out Term 53 analogue input No 21 2 3 2 530 Data read out T...

Страница 83: ...ic and LOGIC AND 2 Logic or LOGIC OR 3 Function Parameters 503 508 allow a choice between controlling the frequency converter via the digital inputs and or via the serial port Description of choice Th...

Страница 84: ...rt 1 Logic and 2 or Logic or 3 NB Note that this parameter is only available when the VLT 5000 Crane runs in FC profile Digital input 0 Dig input Ser port Function 0 0 Clockwise 0 1 Clockwise 1 0 Anti...

Страница 85: ...mmunication port and the LCP display See also parameters 009 012 Display readout Description of choice Resulting reference parameter 515 Gives the resulting reference as a percentage in the range from...

Страница 86: ...larm word parameter 538 Gives in Hex which alarm is on the frequency converter See Warning word extended status word and alarm word Control word parameter 539 Gives the present control word on the fre...

Страница 87: ...02 the reference is set in parameter 003 The drive profile for the frequency converter is FC profile parameter 512 Right part Ramping The output frequency is now changed according to the present ramp...

Страница 88: ...X 10 MOTOR TIME X X X 11 MOTOR THERMISTOR X X X 12 TORQUE LIMIT X X 13 OVER CURRENT X X 14 EARTH FAULT X X 15 SWITCH MODE FAULT X X 16 CURR SHORT CIRCUIT X X 17 STD_BUS TIMEOUT X X X 19 EE ERROR POWER...

Страница 89: ...309 Check the wires to terminals 53 and 58 3 a No Motor The motor check function see parameter 122 indicates that no motor has been connected to the output of the frequency converter Check the motor...

Страница 90: ...g or an alarm when the counter reaches 100 The fault is that the motor is overloaded by more than 100 for too long Check the load and that motor parameters 102 106 have been set correctly 11 Motor The...

Страница 91: ...circuits the brake function is disconnected and the warning appears The frequency converter is still able to work although without the brake function Turn off the frequency converter and replace the b...

Страница 92: ...sage The figure in square brackets is the fault code that can be seen in the fault log parameter 615 0 The brake resistor check carried out during power up indicates that the brake has been disconnect...

Страница 93: ...tance If no check if the control card is overloaded If so disconnect all control signal plugs on the control card and check if the fault disappears If yes make sure that the 24 V supply is not short c...

Страница 94: ...tion are OK If yes call Danfoss for assistance If the READY LED is NOT active check if the connections to the brake control card are OK then follow the steps from checking the braking and overload LED...

Страница 95: ...onnected to a frequency converter it is necessary to check whether the cooling of the motor is adequate At low RPM values the motor fan is not able to supply the required volume of air for cooling Thi...

Страница 96: ...haracter begins with a start bit Subsequently 8 data bits are transferred Each character is secured via a parity bit which is set to 1 when there is even parity i e an even number of binary 1 s in the...

Страница 97: ...active Bit 0 6 Frequency converter address 1 126 Bit 0 6 0 Broadcast The slave sends the address byte back to the master in the reply telegram in unchanged form Example A telegram is sent to frequency...

Страница 98: ...ord 0 0 1 1 Parameter description element transferred 0 1 1 1 Command cannot be performed 1 1 1 1 Text transferred If the command cannot be executed the slave will send this reply 0111 and give the fo...

Страница 99: ...ransferred read the telegram length is variable since the texts have different lengths The telegram length is stated in the 2nd byte of the telegram called LGE Parameters 621 631 nameplate data have d...

Страница 100: ...d high 0 0 Load low 0 1 Trip 1 0 No function 1 1 Bit 02 No function Positioning Makes the motor turn with reduced speed according to parameters 106 Motor Nominal Speed and 205 Max reference Bit 02 0 m...

Страница 101: ...the frequency converter is running and that positioning is active Bit 07 No warning Warning Bit 07 0 means that there are no warnings Bit 07 1 means that a warning has appeared Bit 08 Not on referenc...

Страница 102: ...e as to how Bit 06 is to be combined gated with the corresponding function on the digital inputs Bit 07 No function reset Reset of trip Bit 07 0 means there is no reset Bit 1 means that a trip is rese...

Страница 103: ...no warnings Bit 07 1 means that a warning has appeared Bit 08 Not on reference on reference Bit 08 0 means that the motor is running but speed torque do not equal the reference Bit 08 1 means that the...

Страница 104: ...form of a 16 bit word 16384 4000 Hex corresponds to 100 refMIN refMAX 0 16384 0 4000 Hex 0 100 refMIN refMAX Actual output speed The value of the actual output of the freqruency converter is transmit...

Страница 105: ...00 00 02 0C XX XX XX XX XX All numbers are in hex format Pcd 1 and pcd 2 from example 2 can be used and added to the example which means that it will be possible to control the drive and read the curr...

Страница 106: ...ive parameter 14 Array 13 Parameter value can only be reset 12 Parameter value different from factory setting 11 Text available 10 Additional text available 9 Read only 8 Upper and lower limit not rel...

Страница 107: ...he answer to the master will be in PWELOW Conversion and Unit of measurement index 4 The Conversion and unit of measurement command indicates the conversion of a parameter and the unit of measurement...

Страница 108: ...e h 74 j 0 8 Energy kWh W 0 9 Power kW 3 1 s 0 11 Speed 1 min RPM 67 16 Torque Nm 0 K 0 17 Temperature C 100 21 Voltage V 0 22 Current A 0 24 Ratio 0 27 Relative change 0 28 Frequency Hz 0 Conversion...

Страница 109: ...at PKE 4001 4 in the PKE field indicates a Read Parameter Description and 01 indicates parameter number 001 Language IND 0006 6 indicates that Names is required The response from the frequency convert...

Страница 110: ...returns an answer in PWELOW If a bit is logic 1 the condition is true according to the table below Bit Description 0 Special Default Value 1 Special Upper Limit 2 Special Lower Limit 7 LCP Access LSB...

Страница 111: ...ust be sent to the VLT frequency converter STX LGE ADR PKE IND PWEHIGH PWELOW PCD1 PCD2 BCC 02 0E 01 F0 01 00 01 00 00 00 00 XX XX XX XX XX STX 02 Start byte LGE 0E Length of the remaining telegram AD...

Страница 112: ...isolation Earth leakage current Earth leakage current is primarily caused by the capacitance between motor phases and the motor cable screen When an RFI filter is used this contributes additional leak...

Страница 113: ...he inverter turns off to protect the transistors and the intermediate circuit capacitors when a certain voltage level is reached Mains drop out During a mains drop out VLT 5000 Crane continues until t...

Страница 114: ...t In general the efficiency is just as good as with mains operation The efficiency of the motor depends on the type of motor In the range of 75 100 of the rated torque the efficiency of the motor is p...

Страница 115: ...standard This normally reduces the input current IRMS by 40 The voltage distortion on the mains supply depends on the size of the harmonic currents multiplied by the mains impedance for the frequency...

Страница 116: ...reduces the screen effect and increases the leakage current I 4 In the cases when the screen is to be placed on a mounting plate for the frequency converter the mounting plate must be made of metal be...

Страница 117: ...own how often to brake and by how much power braking is effected The resistor ED which is often used by motor suppliers when stating the permissible load is an indication of the duty cycle at which th...

Страница 118: ...occurs power dissipation in the brake resistor can only be prevented by using a mains switch or contactor to disconnect the mains for the frequency converter The contactor can be controlled by the fre...

Страница 119: ...P 20 SB R3 175Z4831 5102 65 IP 20 SB R3 175Z4408 5152 90 IP 00 SB R1 176F2034 5202 110 IP 00 SB R1 176F2035 LCP Control unit with display and keypad SB Standard unit with without control unit and inte...

Страница 120: ...Parameters 85 Derating for Ambient Temperature 94 Derating for Running at Low Speed 94 Derating hoisting 75 Derating lowering 75 Description of Functions 10 Digital Inputs 16 Digital Pulse and Analog...

Страница 121: ...1 75 Mean radius 2 76 Mechanical brake off delay 75 Mechanical brake on delay 75 Mechanical speed N1 76 Mechanical speed N2 76 Mechanical speed N3 77 Mechanical speed N4 77 Mechanical speed N5 77 Mech...

Страница 122: ...esistor 116 Serial Communication 95 Signal output 26 67 Signal output 46 66 Speed PI lowpass filter time 69 Start 82 Start torque 74 Stator Leakage Reactance 56 Stator Resistance 56 Status Word in Cra...

Страница 123: ...VLT 5000 Crane Rev 2004 03 29 www danfoss com drives 175R0259 MG50N402 MG50N402 MG50N402 VLT 5000 Crane Operating Instructions Operating Instructions...

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