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Special motor characteristic

[8]. It is possible to deter-

mine a U/f characteristic on the basis of four definable
voltages and three frequencies. The voltage at 0 Hz is

set in parameter 133

Start voltage

Description of choice:

Set the output voltage (U1) that is to match the first
output frequency (F1), parameter 424

F1 frequency

424

F1 frequency

(F1 frequency)

Value:

0.0 - par. 426

F2 frequen-

Par. 104

Motor fre-

quency

Function:

See parameter 423

U1 voltage

Description of choice:

Set the output frequency (F1) that is to match the first
output voltage (U1), parameter 423

U1 voltage

425

U2 voltage

(U2 voltage)

Value:

0.0 - 999.0 V

par. 103

Function:

See parameter 423

U1 voltage

Description of choice:

Set the output voltage (U2) that is to match the second
output frequency (F2), parameter 426

F2 frequency.

426

F2 frequency

(F2 frequency)

Value:

Par. 424

F1 frequency

par. 428

F3 frequency

Par. 104

Motor fre-

quency

Function:

See parameter 423

U1 voltage

Description of choice:

Set the output frequency (F2) that is to match the sec-
ond output voltage (U2), parameter 425

U2 voltage

427

U3 voltage

(U3 voltage)

Value:

0.0 - 999.0 V

par. 103

Function:

See parameter 423

U1 voltage

Description of choice:

Set the output voltage (U3) that is to match the third
output frequency (F3), parameter 428

F3 frequency

428

F3 frequency

(F3 frequency)

Value:

Par. 426

F2 frequency

1000 Hz

Par. 104

Motor fre-

quency

Function:

See parameter 423

U1 voltage

Description of choice:

Set the output frequency (F3) that is to match the third
output voltage (U3), parameter 427

U3 voltage

NB!

Parameters 437-444 are only used if in

parameter 100

Configuration

a selection

has been made of

Process regulation,

closed loop.

[3].

437

Process PID normal/inverse control

(proc no/inv ctrl)

Value:

Normal (normal)

[0]

Inverse (inverse)

[1]

Function:

It is possible to choose whether the process regulator
is to increase/reduce the output frequency if there is a

VLT

2800 Series

= factory setting, () = display text, [] = value for use in communication via serial communication port

MG.27.A2.02 - VLT

is a registered Danfoss trademark

Содержание VLT 2800 Series

Страница 1: ...VLT 2800 MG27A202 VLT 2800 Operating Instructions Operating Instructions...

Страница 2: ...ion Display 10 Load and Motor 18 References Limits 28 Inputs and outputs 35 Special functions 44 Enhanced Sleep Mode 53 Installation 58 Mechanical dimensions 58 Mechanical installation 62 General info...

Страница 3: ...s 77 Warning words extended status words and Alarmwords 81 Special conditions 82 Aggressive environments 82 Derating for high switching frequency VLT 2800 83 Temperature dependent switch frequency 83...

Страница 4: ...front cover underneath the control panel Place a jumper between terminals 12 and 27 Programming Carry out programming on the control panel Press the QUICK MENU key to enter the Quick menu In this menu...

Страница 5: ...d is thus not to be used as a safety switch 3 Correct protective earthing of the unit must be established the user must be protected against supply voltage and the motor must be protected against over...

Страница 6: ...rameter 640 Warning It can be extremely dangerous to touch the electrical parts even when the mains supply has been disconnected Also ensure that other voltage inputs are disconnected from load sharin...

Страница 7: ...lue ETR trip or data value ETR warning For the North American market The ETR functions provide overload protec tion of the motor class 20 in accordance with NEC 6 Do not remove the plugs for the motor...

Страница 8: ...parameter settings are used for selecting parameters and for changing parameter values These keys are also used in Display mode for selecting the display of an operating value The QUICK MENU keys must...

Страница 9: ...2 most important parameters of the frequency converter After programming the frequency converter is in most cases ready for operation When the QUICK MENU key is activated in Display mode the Quick men...

Страница 10: ...can be changed by using the fol lowing keys NB Please note that parameter 020 may block the choice of mode Automatic motor tuning Automatic motor tuning AMT is performed as follows 1 In parameter 107...

Страница 11: ...digital inputs see parameter 013 Local control 2 the STOP RESET and JOG keys on the condition that these are active 3 the FWD REV key on the condition that is has been selected as active in parameter...

Страница 12: ...be used as a source of data if the other Setups are to be reset to a known status Setup 1 4 1 4 are indi vidual Setups that can be programmed freely during operation If Active Setup 5 is selected the...

Страница 13: ...hoice Set the required scaling factor 009 Large display readout DISPLAY LINE 2 Value No readout none 0 Resulting reference reference 1 Resulting reference unit reference unit 2 Feedback unit feedback...

Страница 14: ...value of terminal 53 Analog input 60 mA gives the present value of termi nal 60 Pulse reference Hz gives the reference in Hz connec ted to terminal 33 External reference gives the sum of external refe...

Страница 15: ...o Speed regulation open loop 0 Remote operated control and open loop 2 functions in the same way as Local control and open loop 1 however the frequency converter can also be control led via the digita...

Страница 16: ...ive 016 Local reversing LOCAL REVERSING Value Not active DISABLE 0 Active ENABLE 1 Function In this parameter you can select deselect the reversing function on the LCP control panel The key can only b...

Страница 17: ...lected if the frequency converter is to remain stopped when the mains voltage is cut back in Parameter 003 Local reference is to be zeroed NB In remote operation parameter 002 Lo cal remote operation...

Страница 18: ...Quick Menu You can scroll between the index numbers using the keys Select Index 1 3 Using you can scroll between the three figures Press the key once ad the last number in the parameter number can be...

Страница 19: ...closed loop is not active if a Devi ceNet card is mounted and Instance 20 70 or 21 71 is chosen in parameter 904 Instance types 101 Torque characteristic TORQUE CHARACT Value Constant torque Constant...

Страница 20: ...the motor regardless of the frequency converter s mains voltage 104 Motor frequency fM N MOTOR FREQUENCY Value 24 1000 Hz 50 Hz Function This is where to select the rated motor frequency fM N Descript...

Страница 21: ...ing the AMT function the following points should be observed For AMT to be able to define the motor pa rameters as well as possible the correct type plate data for the motor connected to the fre quenc...

Страница 22: ...Resonance damping resonance damping Value OFF 100 OFF 100 OFF OFF Function It is possible to optimise the resonance damping in CT mode The grade of the influence is adjusted in this parameter The val...

Страница 23: ...ill not be controlled by the frequency converter during the start delay time inverter turned off Choose Start frequency voltage clockwise 3 to obtain the function described in parameter 130 Start freq...

Страница 24: ...t frequency will jump to the value in parameter 123 without ramping up This may cause an overcurrent warning alarm 126 DC brake time DC BRAKING TIME Value 0 60 sec 10 sec Function In this parameter th...

Страница 25: ...Start frequency Start frequency Value 0 0 10 0 Hz 0 0 Hz Function The start frequency is active for the time set in param eter 120 Start delay after a start command The output frequency will jump to t...

Страница 26: ...motor is given an extra voltage and frequency supplement at increasing loads This is used e g in motors applications in which there is a big difference between the full load current and idle load cur...

Страница 27: ...ncy 139 Brake cut in frequency Brake cut in Value 0 5 132 0 1000 0 Hz 3 0 Hz Function Here you can select the frequency at which the exter nal brake is activated this takes place via the output define...

Страница 28: ...that can be applied to the motor without the in termediate circuit voltage exceeding the warning level Description of choice The value is increased if a greater possible brake tor que is required If...

Страница 29: ...mum frequency is of no significance 201 Output frequency low limit fMIN MIN OUTPUT FREQ Value 0 0 fMAX 0 0 Hz Function In this parameter a minimum motor frequency limit can be selected that correspond...

Страница 30: ...ar 416 Description of choice The minimum reference is preset if the motor has to run at a minimum speed regardless of whether the resulting reference is 0 205 Maximum reference RefMAX max reference Va...

Страница 31: ...sec 3 00 sec VLT 2803 2875 10 00 sec VLT 2880 2882 Function See description of parameter 207 Ramp up time 1 Description of choice Set the required ramp up time Shift from ramp 1 to ramp 2 by activati...

Страница 32: ...ces and preset references is required External reference is the sum of the analogue refer ences pulse references and any references from se rial communication Description of choice If Sum 0 is selecte...

Страница 33: ...r IINV the frequency converter can only handle a load intermittently i e for short periods at a time After the load has been higher than IINV it must be ensured that for a period the load is lower tha...

Страница 34: ...ctivated when the output frequency has reached the resulting reference The signal outputs can be pro grammed to give a warning signal via terminal 46 and via the relay output Description of choice The...

Страница 35: ...programmed In this parameter a bandwidth can be defined on either side of these frequencies Description of choice The frequency set in this parameter will be centered around parameters 230 Frequency b...

Страница 36: ...E FEEDBACK 29 Pulse input PULSE INPUT 30 Selection of Setup lsb SETUP SELECT LSB 31 31 31 31 31 Selection of Setup msb SETUP SELECT MSB 32 32 32 32 32 Reset and start RESET AND START 33 33 33 33 33 Pu...

Страница 37: ...is allowed at the same time Acts as latch start revers ing provided latch start has been chosen for terminal 18 Is not active for Process regulation closed loop See also parameter 200 Output frequenc...

Страница 38: ...d this can also be connected to the input If motors operate in parallel the thermistors thermal switches can be connected in series total resistance lower than 3 k Parameter 128 Motor thermal protecti...

Страница 39: ...Volt 0 0 Volt Function This parameter is used for setting the signal value that is to correspond to the minimum reference or the min imum feedback parameter 204 Minimum reference RefMIN 414 Minimum fe...

Страница 40: ...ut LIVE ZERO TIME O Value 1 99 sec 10 sec Function If the signal value of the reference or feedback signal connected to one of the input terminals 53 or 60 falls below 50 of the minimum scaling for a...

Страница 41: ...ch is proportional to the feedback value in the interval Minimum feedback FBMIN Maximum feedback FBMAX parameter 414 415 0 fMAX 0 20 mA 4 20 mA An output signal is obtained which is proportional to th...

Страница 42: ...ed by an alarm Output frequency higher than fLOW the output frequen cy is higher than the value set in parameter 225 Warning Low frequency fLOW Output frequency lower than fHIGH the output frequen cy...

Страница 43: ...the maximum pulse frequency Description of choice Pulse reference RefMIN Ref MAX An output signal is obtained which is proportional to the resulting reference value in the interval Minimum reference R...

Страница 44: ...regardless of the present speed a stop signal received is delayed internally when the present speed is lower than the maximum speed set in pa rameter 202 Reset Counter stop and Speed compensated stop...

Страница 45: ...ncy converter is to be reset and restarted automatically Furthermore it is possible to select the number of times a restart is to be attempted The time between each attempt is set in parameter 406 Aut...

Страница 46: ...be set to LC filter connected if an LC filter is connected between the frequency convert er and the motor Description of choice The LC filter connected 3 must be used if an LC filter is connected betw...

Страница 47: ...n 40 Psi Psi 41 Function Select among different units to be shown on the dis play The unit is read out if an LCP control unit can be connected and if Reference unit 2 or Feedback unit 3 has been selec...

Страница 48: ...D function is not active 420 Speed PID D gain limit SPEED D GAIN LIM Value 5 0 50 0 5 0 Function It is possible to set a limit for the gain provided by the differentiator Since the D gain increases at...

Страница 49: ...423 U1 voltage Description of choice Set the output frequency F2 that is to match the sec ond output voltage U2 parameter 425 U2 voltage 427 U3 voltage U3 voltage Value 0 0 999 0 V par 103 Function S...

Страница 50: ...change in output frequency occurs 439 Process PID start frequency PROC START VALUE Value fMIN fMAX parameter 201 202 Par 201 Output fre quency low limit fMIN Function When the start signal comes the...

Страница 51: ...ur Description of choice Select a differentiator gain limit as required 444 Process PID lowpass filter time proc filter time Value 0 02 10 00 0 02 Function Noise in the feedback signal is dampened by...

Страница 52: ...equired value can be selected in the interval f MIN fMAX Values over 100 are used if the set point variations are only small 452 Controller range pid contr range Value 0 200 10 Function This parameter...

Страница 53: ...Linear LINEAR 0 Square root SQUARE ROOT 1 Function In this parameter a function is selected which converts a connected feedback signal from the process to a feedback value that equals the square root...

Страница 54: ...it must be assured that the pump is stopped in case of dry run This is assured by the Dry run detec tion feature How Does It Work Dry run detection is based on power frequency moni toring and works in...

Страница 55: ...0 disables Enhanced sleep mode Note In parameter 463 Boost set point it is possible to set up the frequency converter to provide a pressure boost before the pump is stopped 463 Boost setpoint BOOST SE...

Страница 56: ...er 202 Output frequency high limit fMAX 467 Minimum Pump Power Min pump power Value 0 500 000 W 0 Function The associated power consumption at the frequency entered in parameter 465 Minimum pump frequ...

Страница 57: ...00 1s 360 0 s OFF Function Allows the motor equipment to be brought up to mini mum speed frequency at a rate different than the normal Ramp Up rate param 207 Description of choice As an example vertic...

Страница 58: ...proper calcula tion or from experience or it can be determined ex perimentally by performing numerous fill mode se quences and either increasing or decreasing the value of this parameter to obtain th...

Страница 59: ...lter options must be vertically mounted VLT 2803 2815 200 240 Volt VLT 2805 2815 380 480 Volt VLT 2822 200 240 Volt VLT 2822 2840 380 480 Volt VLT 2822 220 240 V PD2 VLT 2840 200 240 Volt VLT 2855 287...

Страница 60: ...N3103 Terminal cover The drawing below gives the dimensions for NEMA 1 terminal covers for VLT 2803 2875 Dimension a depends on the unit type IP 21 solution VLT 2800 Series MG 27 A2 02 VLT is a regist...

Страница 61: ...2 200 240 V VLT 2822 2840 380 480 V 195N2119 47 95 170 VLT 2840 200 240 V VLT 2822 PD2 TR1 2855 2875 380 480 V 195N2120 47 145 170 TR1 2880 2882 380 480 V VLT 2840 PD2 195N2126 47 205 245 EMC filter f...

Страница 62: ...192H4893 VLT 2800 Series MG 27 A2 02 VLT is a registered Danfoss trademark 61 Installation...

Страница 63: ...arried out See Derating for ambient temperature Please note that the service life of the frequency converter will be reduced if no allowance is made for the derating for ambient temperature Integratio...

Страница 64: ...h reference plate The drives must be fitted to the back plate at the lowest possible impedance To achieve low impedance connect the drive to the backplate with the drive fastening bolts Remove all pai...

Страница 65: ...e clamps in stead It is important to ensure good electrical con tact from the installation plate through the installation screws to the metal cabinet of the frequency converter Use starwashers and gal...

Страница 66: ...stallation See also the section Brake Connection VLT 2803 2815 200 240 V 2805 2815 380 480 V VLT 2822 200 240 V 2822 2840 380 480 V VLT 2800 Series MG 27 A2 02 VLT is a registered Danfoss trademark 65...

Страница 67: ...55 2875 380 480 V VLT 2880 2882 380 480 V VLT 2840 PD2 Please note that the units will be supplied with two bottom plates one for metric glands and one for con duits VLT 2800 Series 66 MG 27 A2 02 VLT...

Страница 68: ...2273 Bussmann E4273 Bussmann E4273 SIBA E180276 Little Fuse E81895 Ferraz Shawmut E163267 E2137 Ferraz Shawmut E163267 E2137 RK1 JDDZ J JDDZ T JDDZ RK1 JDDZ RK1 JDDZ CC JDDZ RK1 JDDZ 2803 2822 KTN R20...

Страница 69: ...el motors are connected or the motor cable length is above 25 m it is recommended to set the switch in ON position In OFF position the internal RFI capacities filter ca pacitors between the chassis an...

Страница 70: ...haracteristic must be set to Special motor characteristics 8 when motors are connected in parallel Motor cables See Technical data for correct dimensioning of motor cable cross section and length Alwa...

Страница 71: ...ss section of the brake cable to match the brake torque See the Design Guide for dimensioning of brake resis tors NB Please note that voltages up to 850 V DC occur on the terminals Earth connection As...

Страница 72: ...ay output or digital output terminal 46 The output must be kept closed voltage free for the period of time during which the frequency convert er is not able to support the motor for example due to the...

Страница 73: ...t use the instructions for the unit in question In connection with very long control cables and ana logue signals in rare cases depending on the instal lation 50 60 Hz earth loops may occur because of...

Страница 74: ...the DeviceNet manual MG 90 BX YY for fur ther details Relay connection See parameter 323 Relay output for programming of relay output Nr 01 02 1 2 make normally open 01 03 1 3 break normally closed N...

Страница 75: ...verted 6 Par 304 Digital input Coasting stop inver ted 2 Par 305 Digital input Jog 13 Speed up down Speed up down using terminals 29 33 Par 302 Digital input Start 7 Par 303 Digital input Freeze refer...

Страница 76: ...VLT 2800 Series MG 27 A2 02 VLT is a registered Danfoss trademark 75 All about VLT 2800...

Страница 77: ...VLT 2800 Series 76 MG 27 A2 02 VLT is a registered Danfoss trademark...

Страница 78: ...wn on the display until the fault has been corrected while an alarm will continue to flash until the STOP RESET key is activated The table shows the various warnings and alarms and whether the fault l...

Страница 79: ...supply The alarm can also occur when the load is pulsing In this instance the pulses must be dampened e g using an inertia disc WARNING 5 Voltage warning high If the intermediate circuit voltage UDC i...

Страница 80: ...han the value in param eter 221 Current Limit LIM and the frequency converter will trip after a set time selected in parameter 409 Trip delay overcurrent WARNING ALARM 13 Overcurrent The inverter s pe...

Страница 81: ...ameter database Alarm 43 internal fault number 6 General power card fault Alarm 44 internal fault number 7 Minimum software version of control card or BMC Alarm 45 internal fault number 8 I O fault di...

Страница 82: ...lt 40000000 Switch mode warning 80000000 Heat sink temperature high Bit Hex Extended status words 000001 Ramping 000002 AMT running 000004 Start forw reverse 000008 Slow down 000010 Catch up 000020 Fe...

Страница 83: ...itrogen and chlorine compounds together with high humidity and temperature facilitate possible chemical processes on the components of the frequency converter These chemical processes quickly impact a...

Страница 84: ...tential The VLT is designed to meet the require ments for protective separation by means of having the necessary creepage and clearance distances These requirements are described in standard EN 50 178...

Страница 85: ...25 m screened arm oured No No 3 x 480 V version with 1A RFI filter R5 For IT mains Yes 5 m screened arm oured Yes 5 m screened arm oured No No 1 x 200 V version with 1A RFI filter 1 Yes 40 m screened...

Страница 86: ...mp times 0 02 3600 sec Torque characteristics Starting torque parameter 101 Torque characteristic Constant torque 160 in 1 min Starting torque parameter 101 Torque characteristics Variable torque 160...

Страница 87: ...oltage on input 28 V DC Input resistance Ri approx 2 k Scan interval 13 3 msec Resolution 10 bit Accuracy 100 Hz 1 kHz terminal 33 Max error 0 5 of full scale Accuracy 1 kHz 67 6 kHz terminal 33 Max e...

Страница 88: ...r high voltage terminals See section entitled Galvanic Isolation Control card RS 485 serial communication Terminal number 68 TX RX 69 TX RX Terminal number 67 5 V Terminal number 70 Common for termina...

Страница 89: ...of Precise start stop terminals 18 19 0 5 msec System response time terminals 18 19 27 29 33 26 6 msec Speed control range open loop 1 10 of synchronous speed Speed control range closed loop 1 120 of...

Страница 90: ...70 C The frequency converter is protected against short circuits on motor terminals U V W If a mains phase is missing the frequency converter will cut out Monitoring of the intermediate circuit volta...

Страница 91: ...0 4 10 4 10 4 10 16 6 Max pre fuses IEC UL2 A 20 20 20 20 20 20 20 20 20 20 20 20 35 35 25 25 50 50 Efficiency3 95 95 95 95 95 95 95 95 95 Power loss at 100 load W 24 35 48 69 94 125 125 231 231 Weigh...

Страница 92: ...aft output PM N HP 5 0 7 5 10 0 15 0 20 0 25 0 Max cable cross sec tion motor mm2 AWG 1 4 10 4 10 4 10 16 6 16 6 16 6 Input current IL N A 8 1 10 6 14 9 24 0 32 0 37 5 3 x 380 480 V IL MAX 60s A 13 0...

Страница 93: ...rature for VLT 2800 Design Guide MG 27 EX YY Data sheet MD 27 AX YY Instructions for VLT 2800 LCP remote mounting kit MI 56 AX 51 Filter instruction MI 28 B1 02 VLT 2800 DeviceNet cable MI 28 F1 02 Co...

Страница 94: ...017 Local reset of trip Active Yes 0 5 018 Data change lock Not locked Yes 0 5 019 Operating status at power up Forced stop use saved ref Yes 0 5 020 Lock for Hand mode Active No 0 5 024 User defined...

Страница 95: ...function Coast in start del Yes 0 5 122 Function at stop Coast Yes 0 5 123 Min freq for activation of par 122 0 1 Hz Yes 1 5 126 DC braking time 10 sec Yes 1 6 127 DC brake engaging frequency OFF Yes...

Страница 96: ...es 2 7 212 Quick stop ramp down time 3 00 sec Yes Yes 2 7 213 Jog frequency 10 0 Hz Yes Yes 1 6 214 Reference function Sum Yes Yes 0 5 215 Preset reference 1 0 00 Yes Yes 2 3 216 Preset reference 2 0...

Страница 97: ...5 327 Pulse ref FB 5000 Hz Yes 0 7 341 Term 46 digital output Control ready Yes 0 5 342 Term 46 Max pulse output 5000 Hz Yes 0 6 343 Precise stop function Normal ramp stop Yes 0 5 344 Counter value 10...

Страница 98: ...frequency par 104 Yes 1 6 437 Proc PID no inv Normal Yes 0 5 438 Proc PID anti wind Active Yes 0 5 439 Proc PID start frequency Par 201 Yes 1 6 440 Proc PID start proportional ampl 0 01 Yes 2 6 441 Pr...

Страница 99: ...scaling No 1 3 520 Data readout Motor current No 2 7 521 Data readout Torque No 1 3 522 Data readout Power kW No 1 7 523 Data readout Power HP No 2 7 524 Data readout Motor voltage V No 1 6 525 Data...

Страница 100: ...entification No 0 9 634 Nameplate Unit identification for communication No 0 9 635 Nameplate Software parts no No 0 9 640 Software version No 2 6 641 BMC software identification No 2 6 642 Power card...

Страница 101: ...n control cables 72 EMC emission 84 EMC correct electrical installation 64 ETR Electronic Thermal Relay 24 Extra protection 63 F Fan control 27 Feedback conversion 52 Feedback 45 Flying start 50 Four...

Страница 102: ...ompensation 26 Slow down 32 Software Dialog 73 Spacing for mechanical installation 62 Special motor mode 18 Speed comp delay 43 Speed control closed loop 18 Speed control open loop 18 Speed PID 46 Spe...

Страница 103: ......

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