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1. Function Output Description number OUT of the block According to Truth Table R S OUT a R b S OUR 0 0j ml 24 i Trigger RS Input R has the priority gi folili als 1 0 0 1 1 0 According to Truth Table R D CLK OUT a D b CLK c R 0 0 0 n 1 0 0 1 n 1 25 Trigger D Latch oO oO Fs 0 a D Q PCH 0 1 r 1 B 0 1 0 n l 0 1I n 1 X X 0 Current value of the The counter with reset and direction EXIT counter inputs mace a CLK b CLR c DIR The minimal period for CLK is 20ms It ee 26 Caution the output of this concerns all counters BMETPTSIEEN counter can assume DIR Jeb bea positive and negative aera ee a values in range CLK UU UUL lt 32768 32767 gt Current value of the One shot counter type counting down with an input setting on initial value SET and an counter input of initial value a CLK b SET c initial value 27 Current value of the The modulo up counter with an input of max valu
2. PCH PCH name Function value note 145 Value A1 Value of analog input 0 multiplied by parameter of scale 2 44 and added offset parameter 2 47 146 Value A2 Value of analog input 0 multiplied by parameter of scale 2 45 and added offset parameter 2 48 147 10096 In all cases value 1000 corresponds to 100 0 of referencing units 148 RC Output Output of footer calculator device it serves for torque referencing Resolution 0 1 range 0 0 100 0 Relative value which corresponds to current rotational drive speed compared to the rated drive 142 ABS rotations percent rotation speed Resolution 0 1 Value without a sign it doesn t depend on direction of rotation l The same but with sign depending on direction of rotation 150 Rotations percent 1000 Nn 0 0 rpm 1000 Nn Relative value which corresponds to current output frequency of the converter compared to the 151 Frequency percent rated drive frequency Resolution 0 1 Value without a sign it doesn t depend on direction of rotation Relative value which corresponds to present output current compared to rated current of the Ine Current percent drive Resolution 0 1 96 Relative value which corresponds to current torque of the drive compared to the rated torque 193 ABS torque percent Resolution 0 1 9e Value without a sign always positive Relative value which corresponds to current torque of th
3. Configuration of Sel AO Par 2 43 2 46 PCH 144 Sea A Signal Blocking of electro drive Configuration of Sel Al PCH 145 When frequency is low par 2 13 Par 2 44 2 47 i and par 2 14 TAK YES scale and offset Configuration of Sel A2 Min frequency or frequency P 2 45 2 48 PCH 146 Eee dod tae Rate 4 tt Gl STOP BD Ea ee o Emergency ref unit scale and offset f CERCA MM Par 3 23 3 30 3 40 Hz U f or Selector A Convertation Hz l 3 50 3 60 3 65 Panel sec eoD PCH 133 Par is f max A B f const 7 par 2 39 gt PCH 134 100 0 ci fsel n o PEH 164 qu PCH 135 Ref unit A par 2 1 Last Frequency T PCH i36 AD O e e i 0 0 0 ecd No f const constraint RS uU ing oe min PLE Pi gestisce Par 2 13 2 14 PCH 138 e c e AIO Parameter 2 40 o Par 2 11 2 12 d ES Rs UE referencing 0 10V 2 10V POEM E e ease AS ES ED e i t i Lage Y M oe 1 PCH x Gua PC PONE begun Switch of mode choice on Santen ana No Emergency Ref unit voltage on current Selector B Convertation 96 Hz m nnn ne E ae EEES ig par 2 3 v 2 PORES s gt 100 0 f max zB Task constraint with RS only REWERS PCH 38 Configuration AIl PCH 134 B x when Signal of device START All Parame
4. 1 1 Pn Nominal power of the 0 2 630 0 kW Nominal NO motor power of the frequency converter 1 2 Rn Nominal motor speed 0 30000 rpm 1450 rpm NO 1 3 In Nominal motor current 0 00 1140 0 A Nominal NO current of the frequency converter 1 4 Un Nominal motor voltage 0 1000 V Nominal NO voltage of the frequency converter 1 5 fn Nominal motor frequency 0 0 550 0 Hz 50 0 Hz NO 1 6 PF nom Nominal cos of the 0 50 1 00 0 80 NO motor 1 10 ID run Identification of motor s NO without identification NO NO equivalent circuit Don t run only for stopped drive parameters Run 25Hz test at 25 Hz Run 50Hz test at 50 Hz 1 11 Rs Resistance stator windings 0 32 000 Ohm 0 000 Ohm NO 1 12 Rr Resistance of rotor 0 32 000 Ohm read only 0 000 Ohm NO windings 1 13 Lm Main inductance Lm 0 0 3200 0 mH 0 0 mH NO 1 14 Ls Stator inductance Ls 0 0 3200 0 mH 0 0 mH NO 1 15 Lr Rotor inductance Lr 0 0 3200 0 mH 0 0 mH NO 1 16 Add L Additional inductance in service parameter stator s circuit inductance of wires 1 18 Store mot Storing specified resignation from writing NO parameters M1 M4 memory buffers designed for writing 68 TWERD Power Electronics MFC710 User s Manual Parameter Name_ Function Available options measurement unit Fac
5. Digital outputs Digital g GDORDOS DOS etait CEN relays K1 K2 K3 Analog ee outputs AO1 AO2 Analog inputs AIO AI2 Fig 2 6a User terminal block and configuration switches of MFC710 converter The control board variant for rated power 18 5 kW and below X3 RS485 1 2 3 4 B A 5V OV 12 gt Digital inputs DIt DI6 Analog outputs operating mode r gt Terminal jumpers of Use only incremental 3 RS485 interface encoders with the line Put on J6 J7 if the drive transmitter interface Analog inputs is the last one on and 5V type eR J1 for AO2 operating mode communication ae Se Spe DNO D Digital J2 for AO1 VL SISNGRANAR Dea Slee pcb eee CN ere output Operating mode of DI6 DO4 Current Voltage SESTO E j d Jov X4 mode mode E Motor thermistor oc RS485 ea ene es ea MEE ag Mi Current L B mode LLI e 5V Simo sje NE OPE i gp eae wu a Voltage E a Digital input mode 2 z 2 A mode 7 HER a c WARE zb D Pons S E o 2 x f ele e X eA sig J7 u i e e i e i J2 J3 e oe J4 e JS CES J6
6. Table 3 1 Abbreviations of Referencing units and Control Task Source of referenced frequency Control START STOP signal source Lo Control panel Lo Control panel AO Analog input 0 Di Digital inputs A1 Analog input 1 Fu Advanced user s START STOP PLC Also if as START A or B Start RS was chosen and there is no permission to operate with RS Converter is stopped A2 Analog input 2 PI PID controller Em Emergency referencing unit Fu Advanced user referencing unit PLC Also if as a Referencing unit A or B the RS Referencing unit was chosen and there is no permission to operate with RS Referencing unit value 0 Hz HS Referencing through RS link Fc Constant frequency mP Motopotentiometer 3 1 Viewing and changing parameters value From a BASIC MODE into the PARAMETERS MODE we pass by pressing a key of a double arrow E The next pressing of this key results in change of parameters group starting from group O up to group 6 After group 6 the panel comes back into the BASIC MODE see fig 3 3 Read only parameters CHANGING OF PARAMETER NUMBER Changing of parameter value Only groups 1 6 CHANGING OF PARAMETER NUMBER SAVING CHANGES Square brackets only in setting 3 2 Blocking parameters and access control Fig 3 7 Parameter setting If the parameter on display looks like at the fig 3 8 b at t
7. State DI5 State DI6 Effect Electric drive does not operate with constant speed At this time another referencing unit is operating See structural circuit of frequency referencing unit section 4 2 1 O Constant speed no 1 value as par 2 33 O Constant speed no 2 value as par 2 34 Constant speed no 3 value as par 2 35 Note 1 Please make sure that DI6 works in digital input mode fig 2 6 jumper J5 Note 2 Digital input DI4 is default using as a source of external reset so before using DI4 please move a source of external reset to another digital input DI or just turn it off par 3 70 looks like it is shown in fig 4 5 Referencing unit constant frequency speed START through digital input CONTROL STATE display when constant speed referencing unit is active i 4 5 CONTROL STATE 4 2 5 Motopotentiometer Motopotentiometer is a simple increase reduce device for speed control of motor rotation using two buttons An example way of connecting increase reduce buttons to the frequency converter is shown in fig 4 6a Fig 4 6b Illustrates action of the device In order to set the output frequency a b of the converter with help of a motor potentiometer par 2 2 for control A DI3 Increase A or 2 3 for control B must be set on Di4 9 Reduce value MotPot mP 24V f sel Attentio
8. cccccccccseeeeeeeceeseeeeecaeeeceeesaeeeceeesseeeeeeesseeeeeeesseeeeeeessaeeeessssesaaaees 63 Appendix C Table of MFC710 frequency converter s parameters eesssssessesseseee eene enne nnne nnne nnns 67 GROUP 1 CONFIGURATION OF THE DRIVE 61313 0c epa nie eram a dese deseo Seen eae dee reget eats 68 GROUP 2 REFERENCING UNITS AND CONTROL seseeeessssseeennenn nennen nnn iaa Aaaa Aaaa rss nana nnn 72 GROUR S FAILURE Set M cepe 76 GROUP 4 PARAMETERS BLOCKING CONFIGURATION OF RS DISPLAYING AND USER REFERENCING UNIT casein cp PUE 78 GROUP 5 PUMP GROUP CONTROLLER BLOCKS OF PLC CONTROLLER ccccsseeeeeeeeeeeeeeeeeeeeeeeeeeneeeees 80 GROUP 6 PLC CONTROLLER UNIVERSAL BLOGO idiot genae aenean exhi PREE REA E EE 83 DECLARATION OF CONFORMITY rances pu tdeo tet obo icum ve pb co Suas uet te Roe o Feu ota a Eo cuis totae setesedetedee e duod 85 4 TWERD Power Electronics MFC710 User s Manual Technical data This User s manual refers to frequency converters MFC710 type These frequency converters are made in three different supply voltage 3x400V typical and 3x500V optional and 3x690V optional Table 0 1 shows the technical data common to the series of frequency converters MFC710 Table 0 1 Technical data common for frequency converters of the MFC710 series Power supply Voltage Un freq Three phase power 400V or 500V or 690V 15 10 45 66Hz d
9. 2 62 Error inversion Error inversion difference between tasked value and feedback signal NO YES 2 63 P amplification Amplification of proportional component of PID controller The bigger amplification the faster reaction Kp to speed error 2 64 Const Ki So called time of PID controller doubling 0 01 320 00s 0 01 320 00 s 2 65 D Amp Kd Amplification of differential component of PID controller 2 66 Max Out PID Max value which output signal of PID controller can achieve limitation of saturation 0 0 3000 0 96 2 67 Min Out PID Min value which output signal of PID controller can achieve limitation of saturation 0 0 3000 0 96 2 68 PID Out res Resetting PID output when device is stopped 2 69 PID type 0 1 Choice of regulator s algorithm operation Recommended setting is O 270 SLEEP time Time after which SLEEP blockade will activate when the regulator output maintain on minimal value i determined by par 2 67 0 32000 s 0 SLEEP function is not active SLEEP The program of shut down of SLEEP blockade 0 0 100 0 2 71 threc held Blocking will be switched off when the output of the regulator will achieve value above than par 2 67 par 2 71 or error will be higher than par 2 71 0 30 RefPID Value of current PID referencing unit READ ONLY 0 31 InPID Current value of PID controller input READ ONLY 0 32 PID error Value of current regulator error par 0 32 par 0 30 par 0 31 READ ONLY 0 33 Ou
10. TWERD Power Electronics Vector controlled frequency converter MFC710 400V MFC710 500V MFC710 690V type User s Manual www twerd pl TWERD Power Electronics ul Konwaliowa 30 87 100 Torun Poland tel 48 56 654 60 91 fax 48 56 654 69 08 twerd twerd pl www twerd pl Information furnished is believed to be accurate and reliable However TWERD Power Electronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use Furthermore TWERD Power Electronics are not responsible for any damages resulting from the use of converters outside its intended purpose No license is granted by implication or otherwise under any patent or patent rights of TWERD Power Electronics Specification mentioned in this publication are subject to change without notice This publication supersedes and replaces all information previously supplied TWERD Power Electronics products are not authorized for use as critical components in life support devices or systems without express written approval of TWERD Power Electronics Company TWERD logo is a trademark of TWERD Power Electronics For more information contact out technical support at twerd Otwerd pl All trademarks and registered trademarks are the property of their respective owners User manual version 3 mf c710 en v 5 84 0 21 8 2015 MFC710 User s Manual Conten
11. a b C Fig 3 13 Parameter 0 10 in mode of parameters browsing a change of the value which is highlighted on bottom line of the display to the value defined by the parameter 0 10 b the effect of this change is displayed on the display in the base c mode TWERD Power Electronics 21 Section 3 Control panel Table 3 3 Parameters deciding about which values are displayed in the basic mode and in the mode of fast review Parameter Value 4 10 Number of the parameter from group 0 which is presented on an upper line of the display in the basic mode and in the mode of fast review when the electric drive does not operate STOP 4 11 Number of the parameter from group 0 which is presented on a lower line of the display in the basic mode when the electric drive does not operate STOP 4 12 Number of the parameter from group 0 which is presented on an upper line of the display in the basic mode and in the mode of fast review when the electric drive operates STOP 4 13 Number of the parameter from group 0 which is presented on a lower line of the display in the basic mode when the electric drive operates STOP 4 14 Number of the parameter from group 0 which is presented as first SP1 on a bottom line of the display in the mode of fast review 4 15 Number of the parameter from group 0 which is presented as second SP2 on a bottom line of the display in the mode of fast review 4 16 Num
12. Full pointers should be set up on value YES fig 11 3 Operation sequence at change of standard control 1 Unblock possibility of parameters changing see a way in section 3 2 1 2 Set Parameter 4 6 on value YES 3 Change appropriate parameter of the frequency converter the 4 If itis necessary block possibility of parameters changing Fig 11 3 Unblocking pointers 11 3 Unblocking pointers 50 TWERD Power Electronics MFC710 User s Manual 11 4 The control panel defining displayed values Among parameters from group 0 there are 4 read only parameters which can be projected on display in a way defined by a user Each of these parameters can include value of any PCH You can define also measurement unit and quantity of decimal digits Table 11 2 presents configuration parameters Table 11 2 Configuration of own displayed values Defined parameter in Parameters determining Value group 0 configuration Par 4 60 The pointer to PCH which contains value displayed as par 0 54 0 54 Usr1 Par 4 61 The displayed unit of measurement of par 0 54 see table 10 3 Par 4 62 Number of decimal places 0 54 0 3 Par 4 63 The pointer to PCH which contains value presented as par 0 55 0 55 Usr2 Par 4 64 The highlighting value of measurement of par 0 55 see table 10 3 Par 4 65 Quantity of decimal places of par 0 55 0 3 Par 4 66 The pointer to PCH which con
13. Parameter 1 13 main inductance Lm mHz Parameter 1 14 inductance of a stator Ls Lm mHz Parameter 1 15 inductance of a rotor Lr Lm mHz Parameter 1 16 additional inductance connecting wires choke Us pu Rr s Fig 4 1 Equivalent circuit of squirrel cage motor Without definition of the value of these parameters operation of the converter in the mode of vector control is not possible Setting of incorrect values of these parameters results in bad system operation The parameters correspond to a motor in star connection Us phase voltage If we cannot define these parameters then the built in function of IDENTIFICATION RUN described in section 5 1 will help us The parameter 1 20 OPERATING MODE must be set on value e Vectori mode without the sensor there is no necessity of encoder but thus the accuracy is lower e Vector2 operating method with the sensor of a position encoder The encoder resolution is defined by the parameter 1 80 This mode is recommended for operation on low frequencies of rotation lower than 2 0 Hz 4 2 Control Main possibilities of converter control referencing output frequency rotation rate and configuration of control with a START STOP signal are described below with additional information about configuration of output relays of a converter More detailed information is in parameter list Appendix C The cont
14. YES 5 90 Mux2 In 7 Value of input 7 MUX2 PCH 0 PCH 511 PCH 0 20 YES 5 91 Mux2 In 8 Value of input 8 MUX2 PCH 0 PCH 511 PCH 0 20 YES 5 100 nu Service parameter 5 101 CSU In CSU Input X PCH 0 PCH 511 PCH 0 YES 5 102 CSU X1 Point 1 value X 32000 32000 see CSU description 0 YES 5 103 CSU Y1 Point 1 value Y 32000 32000 0 YES 5 104 CSU X2 Point 2 value X 32000 32000 0 YES 5 105 CSU Y2 Point 2 value Y 32000 32000 0 YES 5 106 CSU X3 Point 3 value X 32000 32000 0 YES 5 107 CSU Y3 Point 3 value Y 32000 32000 0 YES 5 108 CSU X4 Point 4 value X 32000 32000 0 YES 5 109 CSU Y4 Point 4 value Y 32000 32000 0 YES 5 110 CSU X5 Point 5 value X 32000 32000 0 YES 5 111 CSU Y5 Point 5 value Y 32000 32000 0 YES 82 TWERD Power Electronics MFC710 User s Manual Parameter Name_ Function Available options measurement unit Factory Change setting during operation 5 120 Const 1 CONSTANT 1 32000 32000 Copied to PCH 320 0 YES 5 121 Const 2 CONSTANT 2 32000 32000 Copied to PCH 321 0 YES 5 122 5 141 Analogically as above as above as above as above 5 142 Const 23 CONSTANT 23 32000 32000 Copied to PCH 342 0 YES 5 143 Const 24 CONSTANT 24 32000 32000 Copied to PCH 343 0 YES 5 144 Enab PLC Enable PLC Enabling PLC control NO NO NO none of PLC block is active YES PLC enabled 5 145
15. counting Ifi i a B OUT L 39 B a multiplier Ifi i2 a B OUT H a c restart If c0 OUT H B OUT i quantity of the impulses counted from input DI5 c Update of the OUT output each T period n Sequencer Look at sequencer description section 12 2 4 inputs not active Multiplexer 1 Look at multiplexer description section 12 3 4 inputs not active m Multiplexer 2 Look at multiplexer description section 12 3 inputs not active 43 Unit of curve formation Look at description of the unit of curve formation section 12 4 T par 5 145 x 0 2 ms 66 TWERD Power Electronics MFC710 User s Manual Appendix C Table of MFC710 frequency converter s parameters Numbers of parameters which are instanced in the appendix are numbers presented on the display of the control panel In case of reading writing by means of RS connection each parameter is read written using the specified register For example the register 42002 corresponds to parameter 2 2 there the register 44030 corresponds to parameter 4 30 etc Parameters of GROUP 0 Variables of process only for reading It is possible to program the control panel to display value of any of these parameters without need to enter mode of parameters viewing section 3 Parameters Name Description in gr
16. 10V voltage 5V corresponds par 0 42 In operating modes 2 10V 10 2V 4 20mA and 20 4mA it is possible to define behavior 3 23 ho pue absence of the electric drive when value of voltage falls below 1V or value of a current falls below g np 2mA see Appendix C par 3 23 In structure of the electric drive Analog Referencing units are also provided Analog referencing units are strictly connected to Analog Inputs from which they differ that they have parameters carrying the information on value of their offset and scale Usually analog referencing units are used only as inputs for the PID controller however they can be used as inputs for PLC controller or after expansion of parameters range see section 11 3 as control signals in any point of the structural diagram of control e g fig 4 9b In the table 4 4 there are parameters which define a configuration of Analog Referencing units and dependence of value Ref A from Al Table 4 4 Analog Referencing units Parameter Function Description 2 43 Ref AO scale Value in 96 500 0 500 0 2 44 Ref A1 scale Value in 96 500 0 500 0 2 45 Ref A2 scale Value in 96 500 0 500 0 2 46 Ref A0 offset Value in 96 500 0 500 0 2 47 Ref A0 offset Value in 96 500 0 500 0 2 48 Ref A0 offset Value in 96 500 0 500 0 READ ONLY Value Ref A0 in 96 Ref A0 par 2 46 par 2 43 AIO 100 0
17. LESEN E ei Mee RT ee cr 33 Ad PFOLECHON ald No 96 4818 RTT EOD ESL NOE 33 4 4 1 Current frequency and the torque liMitations ccccccccccssesecceceeeeeeecseeeeeeecaeaeeeeseeaeeeesssaaeeeesssaeeessssaaeees 33 4 3 2 Blocking a directiorof drive TOA ON s c e cues eet t Ie eb caeso brcaoe se seem seed es piae tes prato Ec vi ess Celo aspere I E DEUS 33 4 3 3 Blocking the electric drive operation eeessseseseseseeseeeeeeene nennen nennen nnne nennen nnn nnns 33 4 4 4 Thermal protection of the CYiVC cccccsssscccccsssececcceeseececceeuseeecseeuececeseuueeesseaueeeesseueeeeessageeeesssasseesssssssasees 34 SRM IE UT Ten 36 531 Vector control mode IdentficatloDfllli ss iaces er tees atas te o eraat se noon aene se eee sous A uut eene necis EEN 36 9 4 15 Stages OrdeileallQbi RUE esae cadenas daret tine eater ene ete Ree Rarer ane tetur eee shee eee nee eee are ere ere ere 36 51 2 5Witchifig or rdentific atloFi TUM ns coca sese tenete eeu eee as Es Pace bees wes ac ease e e tke Pe In e laden Rupees oV Seta Clauses 36 5 2 Storing and reading of options for 4 different drives seeessssssssessssssseeseeeeee nennen nnne 37 oFalures and WarNiNgS sopars aa a Dm 38 6 1 Messages on failures and warnings on the control panel cccseeecccseeeeeeeeeeeeeeeeeeceeueeeseeeeeeseeeeesaeeessaeeeesseseees 38 6 2 Deleting failure message Automatic FEStAartS cccceseccceseeeceeeeee
18. Parameters which refer to communication Parameter Description 2 2 Referencing unit A it is possible to set up a source RS 2 3 Referencing unit B it is possible to set up a source RS 2 4 Start A it is possible to set up a Source RS 2 5 Start B it is possible to set up a source RS RS permission it is possible to enable permanent permission to control from RS disable permanent permission or for 47 example set enabling disabling RS permission from a digital input The permission concerns referencing frequency through RS RS PID referencing unit and a START STOP BLOCKING signal from RS see table 13 2 registers 2000 2001 and 2002 4 8 HS speed possible options is 9600 19200 38400 57600 bits per second 49 Number of device converter in MODBUS protocol possibility of connecting several converters through one communication channel RS 485 CAUTION If control RS blocked par 4 7 and parameters 2 2 2 3 2 4 or 2 5 define control as RS in this case the frequency converter remains in STOP mode or the referencing unit of frequency will assume value 0 56 TWERD Power Electronics MFC710 User s Manual 13 2 Map of registers accessible through RS link All registers are 16 bit numbers Addresses which are omitted in the table are not supported Table 13 2 Registers The address of the e registers Des
19. Regulation of output frequency of converter and rotation speed of drive is carried out through selected analog input e g using a potentiometer Fig 4 4 CONTROL STATE referencing unit from analog input 1 START using digital input 26 TWERD Power Electronics MFC710 User s Manual 4 2 4 Work with constant speeds The system can work with one of seven constant speeds The choice of constant speed is made by digital inputs determined by parameters 2 30 2 31 and 2 32 an example in table 4 2 Sizes of constant speeds are defined by parameters par 2 33 constant speed number 1 Hz par 2 34 constant speed number 2 Hz par 2 35 constant speed number 3 Hz par 2 36 constant speed number 4 Hz par 2 37 constant speed number 5 Hz par 2 38 constant speed number 6 Hz par 2 39 constant speed number 7 Hz Table 4 2 suggested configuration of constant speed control Parameters Example Notation 2 30 W1 gt 5 In C5 Signal of constant speed selection W1 comes from digital input DI5 W1 DI5 2 31 W2 gt 6 In C6 Signal of constant speed selection W2 comes from digital input DI6 W2 DI6 2 32 W3 gt 0 Sw Off W320 I ATTENTION see structural circuit of frequency referencing unit section 4 2 1 As a result of choice of such parameter configuration it is possible to choice between 3 available constants through digital inputs DI5 and DI6
20. START Value of par 2 8 Remote start Notation Function DI1 2 START STOP Voltage feeding to digital input DI1 results in start and voltage removal stopping of 0 DI DIRECTION the electric drive The condition of a digital input DI2 defines change of a direction of motor rotation DI1 START RIGHT Voltage feeding to digital input DI1 results in a motor start Voltage feeding to digital 1 DI2 START LEFT input DI2 results to a motor start in opposite direction Hee START STOP Note 1 The state DI2 have to be DI1 PULSE START DII high during the start and the work DI2 PULSE STOP of a motor 7 DI2 Note 1 Direction of rotation depends only ERN M MM E M MN on sign of referencing unit signal DI1 PULSE START As the same as above Additionally direction of rotation can be change using digital i DI3 3 DI2 PULSE STOP ees DI3 DIRECTION Voltage feeding to digital input 1 results in start and voltage removal stopping of 4 DI1 START STOP the electric drive Direction of rotation is depends only on sign of referencing unit signal Note Digital input DI3 is default using as a source of external fail 1 par 3 10 In C3 so before using DI3 to change direction please move a source of external fail 1 to another digital input DI or just turn it off Display in mode control state looks as in the fig 4 4 referencing unit from analog input and START from digital input
21. and also PCH 37 and PCH 38 are set on value zero If control is chosen with par 2 4 or 2 5 and it differs from RS and PCH 40 H in this case it is possible to force externally control through RS see section 13 41 Operation permission L general lack of permission to work H permission to work H when referencing unit of constant frequency is switched on Depends from PCH defined in is Fconst is active the parameters 2 30 2 31 2 32 43 58 Reserve Value always 0 59 PUMP 6 Pump system control H pump 6 operates 60 K ZERO Value always 0 TWERD Power Electronics 59 Appendix A Table of Characteristic Points PCH PCH name Function value note 61 OPERATION H when electric drive operates 62 READY H when the electric drive is ready to work there are no failures 63 FAILURE H when there was a failure 64 NOT FAILURE H when there is no failure 65 WARNING H when any warning is switch on 66 FAIL or WARN H if failure occurred or warning is active 67 Reserve Value always 0 68 Threshold 1 H The frequency defined in parameter 2 98 is exceeded 69 Threshold 2 H The frequency defined in parameter 2 99 is exceeded 70 Fref reached H when the electric drive will reach the referenced frequency 71 Temperature H The temperature of the electric drive has exceeded a
22. memory There is a possibility of changing this setting during stoppage 0 1 2 modes applied when current ref unit par 2 2 par 2 3 is set on MotPot 3 mode independent of current ref unit choice 2 23 Motop time Time of increase decrease 0 1 320 0 s 10 0s YES of motopotentiometer ref unit 2 30 fConstO src Source of W1 signal for Sw Off W1 0 In C5 YES referencing constant In C1 In C6 W1 1 when there is voltage speeds supplied on digital input DI1 DI6 2 31 fConst1 src Source of W2 signal for as above In C6 YES referencing constant speeds 2 32 fConst2 src Source of W3 signal for as above Sw Off YES referencing constant speeds 2 33 f Const 1 Constant frequency 1 550 0 550 0 Hz 10 0 Hz YES 2 34 f Const 2 Constant frequency 2 550 0 550 0 Hz 20 0 Hz YES 2 35 f Const 3 Constant frequency 3 550 0 550 0 Hz 25 0 Hz YES 2 36 f Const 4 Constant frequency 4 550 0 550 0 Hz 30 0 Hz YES 2 37 f Const 5 Constant frequency 5 550 0 550 0 Hz 40 0 Hz YES 2 38 f Const 6 Constant frequency 6 550 0 550 0 Hz 45 0 Hz YES 2 39 f Const 7 Constant frequency 7 550 0 550 0 Hz 50 0 Hz YES 2 40 Cfg In AO Configuration of analog 0 10 V OV 0 0 10V 100 0 0 10 V YES input AIO 10 0 V OV 100 0926 10V 0 096 2 10 V 2V 0 0 10V 100 0 10 2 V 2V 100 0 10V 0 0 AIO operates only in voltage mode 2 41 Cfg In A1 Configuration of analog 0 10 V OV 0 mA 2 0 0 10V 20 mA 100 0 0 10 V YES i
23. parameter x points 3 range 32000 32000 CAUTION conditions X1 x X2 lt X3 lt X4 lt X5 should be satisfied 12 5 Constants In cases when we want to determine a constant value as an input of any PLC block we can use one of 24 constant values accessible as PCH with number from 320 to 343 These values can be set in range from 32000 to 32000 by means of parameters 5 120 do 5 143 Example when there is a necessity to use a constant It is necessary to execute operation Y 5 X where X is an input value and Y is output value Using universal units PLC we can execute operation A B C This is function number 2 see Appendix B We assume A X B 5 and also C 1 in result we have function Y an output of the universal unit X 5 1 How shall we do it With parameter 5 120 we set value of Constant 1 to 5 parameter 5 120 sets up value of the Constant number 1 on 5 parameter 5 121 sets up value of the Constant number 2 on 1 parameter 6 1 function of the unit 1 is set up on value 2 function 2 that is A B C parameter 6 2 input A of the unit 1 is set up on a signal source X for example the analog input 0 2 PCH 134 parameter 6 3 input B of the unit 1 is set up on the Constant number 1 PCH 320 parameter 6 4 input C of the unit 1 is set up on the Constant number 2 PCH 321 In this connection inputs B and C of functions 2 are pointers instead of parameters so they cannot be assigned
24. 1 e im y WNW cr Z o 9 Rl v0 Q0 Q NA Ez KE I wo 1 7 I A O A A A A A 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 aes Digital outputs DO1 DO2 DO3 Analog outputs Analog inputs ODigitalinputs gays KIBAO era dec AO1 AO2 AOA NETS e DIT DIP eeaeee Fuer u V Forse wilh analog inputs in voltage mode ey etc Lud der ee FRE DM e ete Se LU Fig 2 6b User terminal block and configuration switches of MFC710 converter The control board variant for rated power 22 kW and above 14 TWERD Power Electronics MFC710 User s Manual Relay outputs can be applicated to control External relay control via DO4 power supply of 230V devices Output type open collector U 24V a d Digital inputs COE N ZS DI1 DI6 OV logic O 24V logic 1 oo z xlaloe2 sz 2 A Alal atstatstatata Zz i ilr E e 8 8 s s 2 2 8 s 3 S i e x T o Ho efit c cc at e Potentiometer connected AO2 in current mode Al in current to AIO operates in voltage K1 K2 K3 Relays 0 4 20mA R 1kQ mode mode only 250V 1A AC AO1 in voltage mode 0 4 20mA Al2 in voltage 24V 1A DC 0 2 10V R gt 10kO mode B d 0 2 10V Fig 2 7 Example configuration of frequency converter terminal connections Concerns both variants of a control board 2 3 Installation figures Dimensions of frequency converter type MFC710 Enclos
25. 511 see section 11 4 4 70 Usr4 Unit Unit of parameter 0 57 Displayed unit of Usr4 See table 11 3 e YES TWERD Power Electronics 79 Appendix C Table of MFC710 frequency converter s parameters Parameter Name Function Available options measurement unit Factory Change setting during operation 4 71 Usr4 dec p Number of decimal places Number of decimal places for par 0 57 Usr4 O 1 YES 3 4 72 CAN bdrate CAN bandwidth rate 0 62 5 kbit 3 YES 1 125 kbit 3 250 kbit 5 500 kbit 7 1 Mbit 4 73 CAN MTo Service parameter 10 ms 500 ms 30 ms YES 4 74 CAN STO Service parameter 0 2s 60 0s 5s YES 4 75 CAN dst num CAN destination unit 0 31 0 YES number 4 80 ACT sel 1 Current value of any Par 0 1 Par 6 255 Par 0 1 YES selected parameter or PCH 0 PCH 511 characteristic point PCH available through RS 4 81 Same as above Same as above Par 0 1 YES 4 82 Same as above Same as above Par 0 1 YES 4 83 Same as above Same as above Par 0 1 YES 4 84 Same as above Same as above Par 0 1 YES 4 85 Same as above Same as above Par 0 1 YES 4 86 Same as above Same as above Par 0 1 YES 4 87 Same as above Same as above Par 0 1 YES GROUP 5 PUMP GROUP CONTROLLER BLOCKS OF PLC CONTROLLER 5 1 In v In v Source of linear speed Ref AO YES Ref A0 from analog referencing unit 1 eio o OR of Ref A1
26. 60s YES 3 73 AR delay Restart delay 0 0 10 0s 1 0s YES 3 74 AR low Udc Automatic restart after Low NO no restart NO YES Udc failure YES permission 3 75 AR hi Udc Automatic restart after NO no restart NO YES High Udc failure YES permission 3 76 AR hi Automatic restart after NO no restart NO YES High Current failure YES permission 3 77 AR hi temp Automatic restart after NO no restart NO YES High temperature of the YES permission heatsink failure 3 78 AR Al Automatic restart after NO no restart NO YES Error of analog input failure YES permission TWERD Power Electronics 17 Appendix C Table of MFC710 frequency converter s parameters Parameter Name Function Available options measurement unit Factory Change setting during operation 3 80 Failure 1 Failure Register 1 the Failure name read only Read only most current record 3 81 Fa 1 time Register of time of Time h read only Read only occurrence of failure from Failure Register 1 3 110 Failure 16 Failure Register 1 the Failure name read only Read only oldest record 3 111 Fa 16 time Register of time of Time h read only Read only occurrence of failure from Failure Register 16 GROUP 4 PARAMETERS BLOCKING CONFIGURATION OF RS DISPLAYING AND USER REFERENCING UNITS 4 1 Par block Parameters blocking YES modification of parameters is blocked Do not apply YES
27. Blocks am Number of blocks 1 50 Number of block executed by PLC 50 YES GROUP 6 PLC CONTROLLER UNIVERSAL BLOCKS 6 1 Block no 1 Function of block 1 0 39 see Appendix B 0 NO 6 2 Inp A 1 Input A of block 1 PCH 0 PCH 511 PCH 0 NO 6 3 Inp B 1 Input B of block 1 PCH 0 PCH 511 Parameter is accessible or not PCH O NO depending on function of block par 6 1 6 4 Inp C 1 Input C of block 1 PCH O PCH 511 Parameter is accessible or not PCH O NO depending on function of block par 6 1 6 5 Block no 2 Function of block 2 0 39 see Appendix B 0 NO 6 6 Inp A 2 Input A of block 2 PCH 0 PCH 511 PCH 0 NO 6 7 Inp B 2 Input B of block 2 PCH O PCH 511 Parameter is accessible or not PCH O NO depending on function of block par 6 5 6 8 Inp C 2 Input C of block 2 PCH O PCH 511 Parameter is accessible or not PCH O NO depending on function of block par 6 5 6 9 6 188 as above as above as above as above 6 189 Block no 48 Function of block 48 0 39 see Appendix B 0 NO 6 190 Inp A 48 Input A of block 48 PCH 0 PCH 511 PCH 0 NO 6 191 Inp B 48 Input B of block 48 PCH 0 PCH 511 Parameter is accessible or not PCH O NO depending on function of block par 6 189 6 192 Inp C 48 Input C of block 48 PCH 0 PCH 511 Parameter is accessible or not PCH O NO depending on function of block par 6 189 TWERD Power Electronics 83 Appendix C Table of MFC710 frequency converter s par
28. DC Brake Se DC brake setting Service parameter 1 70 Amp reg n Speed regulator gain Service parameter for Vector modes 20 YES 1 71 Ki of reg n Integration time of speed Service parameter for Vector modes 2 00 s YES regulator 1 72 Amp reg M Torque regulator gain Service parameter for Vector modes 0 60 YES 1 73 Ki of reg M Integration time of Torque Service parameter for Vector modes 1 00 YES regulator 1 74 Amp reg S Motor stream regulator Service parameter for Vector modes 650 YES gain 1 75 Ki of reg S Integration time of motor Service parameter for Vector modes 0 003 YES stream regulator 1 80 Enc imp rot Amount of pulses per 1 9999 1024 NO encoder rotation DEPENDS ON ENCODER TYPE 1 81 Enc revers Reverse direction of NO YES disabled or enabled NO NO rotations of encoder It depends on a way of encoder installation on the shaft of the drive For correct operation of converter in Vector2 mode detected direction of rotation must be the same as actual direction 1 82 Enc offset Service parameter 1 83 Enc set 0 Service parameter 1 85 U flying Initial voltage for a Flying 0 0 50 0 depends on YES Start service parameter available from software version the nominal 12v15 unavailable from Control Panel power of the converter 70 TWERD Power Electronics MFC710 User s Manual Parameter Name_ Function Available option
29. Dir A Choice of signal of as above Keyb YES direction control for Control A 2 7 Dir B Choice of signal of as above Dig In YES direction control for Control B 2 8 Remote Start Variant of START STOP 0 DI1 START STOP DI2 direction 0 YES remote control 1 DI1 START RIGHT DI2 START LEFT 2 rising edge DI1 START falling edge DI2 STOP 3 same as above additionally DI3 direction 4 DI1 START STOP NOTE see table 4 1 in section 4 2 3 2 9 Ref Torq A Torque referencing unit for Ref AO Ref A2 referencing maximum torque by a 100 0 YES Control A signal from analog input 100 0 maximum torque 100 Ref RC torque calculated by internal reeler calculator see also par 1 43 and par 1 44 2 10 Ref Torq B Torque referencing unit for as above 100 0 YES Control B 2 11 Ref min Referenced frequency F raf 0 0 Hz YES which corresponds to 096 of the referencing unit pum ala ry uns 550 0 550 0 Hz p2 13 p2 11 2 12 Ref max Ref frequency which 0 550 0 Hz 50 0 Hz YES corresponds to 100 of Note see also par 1 40 the referencing unit 2 13 f stop Minimal absolute value of 0 0 550 0 Hz 0 5 Hz YES referenced frequency 2 14 Use f stop Stopping when YES device will stop if referenced f is lower than NO YES f lt par 2 13 minimum determined by par 2 13 NO device will only limit frequency to par 2 13 2 15 Start LORST Deleting Signal of Local YES after switching control to local from panel
30. Fig 10 2 Control circuit of 3 pumps group In fig 10 2 there is an assumption that inputs that allow block the pump operation with parameters 5 16 5 17 and 5 18 are established on control from digital inputs DI1 DI2 and DI3 of the frequency converter as it is in a set of factory parameters no 2 and also that digital outputs of converter K1 K2 i K3 are control signals of turning on pumps par 2 90 76 pump1 par 2 92 77 pump par 2 94 78 gt pump3 10 1 Parameters of a pump group controller The description of pumps group controller parameter can be found in Appendix C see parameters from 5 10 to 5 28 ATTENTION Instead of setting all parameters of the Control system separately it is better to load a set of factory parameters number 8 This set is specially intended for a configuration of the Control system of pump group The description of loading of factory parameters is in 3 2 7 After loading this set of factory parameters it is possible to change some of them to adapt work of a control system of pumps for this concrete case 10 2 Turning on pump group controller Switching on pump group controller activates after setting up parameter 5 10 on value YES Besides the configuration of the parameters 5 11 5 28 is responsible for functioning of a pump group controller and also 2 90 2 92 and 2 94 assign digital outputs function of switching the pumps on The parameter 2 2 or 2 3 is necessary
31. Inputs A B and C depending on function of the unit are unit 48 which has number 303 pointers or usual parameters fig 12 1 and appendix A Each of 48 Functional units has constantly assigned 4 parameters in 6 group of parameters for example the Unit 1 has parameters Par 6 1 function of the unit 1 see Appendix B Par 6 2 input A of the unit 1 Par 6 3 input B of the unit 1 Par 6 4 input C of the unit 1 Accordingly parameters 6 5 up to 6 8 concern the Unit 2 parameters from 6 9 to 6 12 concern the Unit 3 and so on up to the Unit 48 During PLC operation functions determined by Units are carried out in sequence from 1 up to 48 always the unit with the lowest number is carried out before the unit with the highest number The full operation time of PLC sequence depends on amount of blocks used in program determined by par 5 145 This time is equal to T z par 5 145 x 0 2ms By default parameter is set to 50 what limits time of execution to 10ms CAUTION Units with numbers higher than par 5 145 are not executed 52 TWERD Power Electronics MFC710 User s Manual 12 2 Sequencer device The sequencer fig 12 2 allows programming up to 8 cyclically repeating operation modes of the converter with the determined times of duration of separate modes Inputs marked out by arrows are pointers they take the data from PCH determined by the specified parameter Input LEN is an ordi
32. L OV H 24V 3 In C3 State of digital input DI3 L OV H 24V 4 In C4 State of digital input DI4 L OV H 24V 5 In C5 State of digital input DI5 L OV H 24V 6 In C6 State of digital input DI6 L OV H 24V 7 Switch on Value always H logical 1 8 F1 Key F1 for future use Value always 0 9 F2 Key F2 for future use Value always 0 10 F3 Key F3 for future use Value always 0 11 19 Reserve Value always 0 20 Failure AIO H absence of living zero at the Analog Input 0 mode 2 10V 4 20mA 21 H absence of living zero at the Analog Input 1 mode 2 10V 4 20MA Failure Al1 22 Failure Al2 H absence of living zero at the Analog Input 2 mode 2 10V 4 20MA 23 29 Reserve Value always 0 H Remote Control digital inputs permits START 30 Remote start This PCH operates also when remote control is not chosen but the converter ignores it when the control differs from remote H Local Control Panel permits START 31 This PCH operates also when local control is not chosen Local start 32 RS start H Control through the connection RS allows START This PCH operates also when RS control is not chosen Direction of operation with Remote Control L determined with sign of referencing unit H 33 Remote reverse opposite depends on state of digital inputs and mode of Remote Start par 2 8 This PCH operates even if the chosen control is different from remote Direction of operation with Local Contro
33. PCH is a result of current rotation speed of the drive and 162 N of the process scale factor determined with parameter 4 25 It serves for converting rotation speed to output value e g m s As Value of the torque referencing unit Copy of PCH determined by parameters 2 9 or 2 10 163 Torque ref unit Resolution 0 1 range 0 0 100 0 164 Ref unit A Value of ref unit A chosen with parameter 2 2 Resolution 0 1 Hz value with sign 165 Ref unit B Value of ref unit B chosen with parameter 2 3 Resolution 0 1 Hz value with sign 166 Befcuni Output of control unit the final value of the frequency converter value with a sign determining the direction of rotation plus to the right minus to the left Resolution 0 1 Hz 167 i Output of the control unit the final value of the frequency ref unit value without a sign always ABS ref unit n l positive Resolution 0 1 Hz 168 Fconst 1 Constant frequency number 1 Copy of parameter 2 33 169 Fconst 1 Constant frequency number 2 Copy of parameter 2 34 170 Fconst 1 Constant frequency number 3 Copy of parameter 2 35 171 Fconst 1 Constant frequency number 4 Copy of parameter 2 36 172 Fconst 1 Constant frequency number 5 Copy of parameter 2 37 173 Fconst 1 Constant frequency number 6 Copy of parameter 2 38 174 Fconst 1 Constant frequency number 7 Copy of parameter 2 39 175 Freq Last Average frequency Value PCH 166 converted to compared to rated drive frequency taking into account the
34. an analog input 2 bits 9 1 PID input comes from PCH advanced bits 10 1 SLEEP blockade of PID controller is active bits 11 12 13 14 15 not used 0 OPERATION STATE Value of this register serves for identification of the device s state bits O 1 the drive operates bits 1 1 2 one of referencing units of a control panel frequency the PID controller or the user s referencing unit is switched on bits 2 1 device is blocked bits 3 1 ready to restart failure message was erased but reason has not disappeared bits 4 5 6 number of automatic restart number of a stage of identification bits 7 CRC error in EEPROM bits 8 9 10 11 12 a failure code or warning 0 absence of failure bits 13 value of a failure code 0 failure 1 warning bits 14 a direction of operation 0 to the right 1 to the left bits 15 1 identification it is started by par 1 10 2006 Read only THE REGISTERS CONNECTED TO PARAMETERS Parameters from group O They are analogous with parameters on the control panel e g the register TUE 40003 corresponds to parameter 0 3 Read only Parameters from group 1 They are similar with parameters on the control panel e g the register 41020 corresponds to parameter 1 20 CAUTION Changes of parameters are subjected to the same rules as in case of operating from a Read write 41xxx control panel There can be necessary to disable blocking of paramete
35. blocking of most of converter s parameters Value 0 means that CODE PROTECTION IS SWITCHED OFF any other value activates blocking e CODE2 its entering is necessary for loading factory options of the frequency converter According to access codes three levels of parameters access are possible level 0 lowest SYSTEM IS PROTECTD BY AN ACCESS CODE At this level it is impossible to change parameters of the frequency converter The parameter 4 1 parameters blocking at this level in all cases has value YES and it cannot be changed e level 1 is switched on after entering of correct value CODE1 At this level it is possible to change the majority of parameters of the converter level 2 highest Enables loading one of the certain variants of factory option In order to switch on this level of access it is necessary to enter CODE2 At this level it is also possible to change all parameters of the converter Current level of access can be determined by reading parameter 4 2 see fig 3 10a 3 2 3 Unblocking changing of parameters of the electric drive blocked by a code If access to changing the parameters is blocked by a code in this case unblocking procedure shown in fig 3 10 OBLIGATORY CONDITION IS THE KNOWLEDGE OF THE ACCESS CODE Fig 3 10 Unblocking of access to parameter setup AL access level a The access level 0 is necessary to enter CODE 1 to have an opportunity of parameters changing b input CODE 1 c
36. connection absence Supervision of communication through RS Established permissible time of connection absence Control of analog inputs Check of absence of living null in modes 2 10V and 4 20mA Control of a load E g break in one of the motor phases symmetry Underload Protection from operating without any load Stall Protection against stall of a motor Table 0 2a Technical data of frequency converters of the MFC710 400V series depending on a type Constant torque load Variable torque load Type of frequency max overload 1 5 max overload 1 1 1 A l A converter P Py kW I A Py kW lu A MFC710 0 37kW 0 37 1 5 0 55 2 0 2 25 6 3 MFC710 0 55kW 0 55 2 0 0 75 2 5 3 0 6 3 MFC710 0 75kW 0 75 2 5 1 1 3 5 3 75 6 3 MFC710 1 1kW 1 1 3 5 1 5 4 0 5 25 6 3 MFC710 1 5kW 1 5 4 5 2 2 55 6 0 6 3 MFC710 2 2kW 2 2 5 5 3 7 8 8 3 10 MFC710 3kW 7 8 4 9 5 11 7 10 MFC710 4kW 9 5 4 9 5 15 8 16 MFC710 5 5kW 5 5 12 7 5 16 18 20 MFC710 7 5kW 7 5 17 11 23 25 25 MFC710 11kW 11 24 15 29 36 30 MFC710 15kW 15 30 18 37 45 50 MFC710 18 5kW 18 5 39 18 5 39 60 59 MFC710 22kW 22 45 30 60 68 63 MFC710 30kW 30 60 37 75 90 80 MFC710 37kW 37 75 45 90 112 100 MFC710 45kW 45 90 55 110 135 125 MFC710 55kW 55 110 75 150 165 160 MFC710 75kW 75 150 90 180 225 200 MFC710 90kW 90 180 110 210 270 225 MFC710 110kW 110 210 1
37. first ST1 and second ST2 speed can be modified by m connecting in proper place for example an analog input or one of user referencing units Condition ST2 gt ST1 must be fulfilled BL PAREZ E a b a CLE OUT E p b SET count c VAL ype Ld L a Qa uw cm d BLE Pita SLIT MOT ai E PEHI TE BL a c Him bc Fig 12 8 Structure of control implementing a predefined task To realize such structure it is necessary to 1 define the Unit 1 par 6 1 12 par 6 2 PCH 176 par 6 3 PCH 320 par 6 4 0 define the Unit 2 par 6 5 23 par 6 6 PCH 256 define the Unit 3 par 6 9 27 par 6 10 PCH 91 par 6 11 PCH 257 par 6 12 PCH 322 define the Unit 4 par 6 13 9 par 6 14 PCH 321 par 6 15 PCH 320 par 6 16 PCH 256 define the Unit 5 par 6 17 23 par 6 18 PCH 258 set up parameter 2 2 Referencing unit A on PCH 259 as it described in section 3 2 1 3 2 8 set up parameter 1 36 Choice of dynamics on PCH 260 switch on PLC setting up parameter 5 144 on YES SON ODIT a o9 R9 In above mentioned example the parameter 5 120 will define a threshold of speed N1 resolution 0 1 96 that is 1000 100 0 95 the parameter 5 121 will define a threshold of speed N2 resolution 0 1 96 that is 1000 100 0 95 a parameter 5 122 time T with resolution of one second TWERD Power Electronics 55 Section 13 Control
38. first environment IEC EN 61800 3 A11 second environment Radiation emission Distribution is limited with use of installation Distribution is unlimited with use of installation principles section 2 1 2 and the equipment principles section 2 1 2 and the equipment section 2 1 2 without item e section 2 1 2 without item d e Resistance IEC EN 61800 3 A11 first and second environment The first environment includes the equipment plugged in a low voltage supply grid which powers apartment buildings The second environment includes the equipment plugged in a supply grid which doesn t power living quarters Limited distribution type of distribution at which the manufacturer limits delivery of the equipment to suppliers clients or users who separately or together have the competence in the field of including electromagnetic compatibility at use of frequency converters MFC710 Distribution unlimited type of distribution at which delivery does not depend on the technical competence of the client or the user in the field of requirements which concern to electromagnetic compatibility at use of converters MFC710 The frequency converter set up in the first environment without external supply grid filter RFI does not exceed value of emission which is admissible for the limited distribution However there are exceeded limits of value of admissible emission for unlimited distribution That s why The product belongs to a class with the limite
39. from analog referencing unit 2 ISa SESS Ref A2 from analog referencing unit 3 5 2 In F In F Source of force referencing unit 100 096 YES Ref A0 from analog referencing unit 1 esp of force Ref A1 from analog referencing unit 2 reterenetmg unit Ref A2 from analog referencing unit 3 100 096 5 3 v max Max linear speed Linear speed which correspond to 100 096 of linear 10 00 m s YES speed signal 0 00 320 00 m s 5 4 dmin Minimum diameter of a Determines minimum torque 0 0 3200 0 mm 100 0 mm YES roller 5 5 dmax Maximum diameter of a Determines maximum torque 0 0 3200 0 mm 500 0 mm YES roller 5 6 Mo Friction torque 0 0 100 0 10 0 96 YES PUMPS controller factory setting concerning set of factory settings number 8 5 10 Pumps Mode Activation of Pump Group Enabling pumps group controller NO NO Control System NO controller disabled YES controller enabled 5 11 Cfg P1 Pump 1 configuration MFC MAINS operation from converter or mains MFC MAINS YES MAINS ONLY operation only from mains 5 12 Cfg P2 Pump 2 configuration MFC MAINS operation from converter or mains MFC MAINS YES MAINS ONLY operation only from mains 5 13 Cfg P3 Pump 3 configuration MFC MAINS operation from converter or mains MFC MAINS YES MAINS ONLY operation only from mains 5 14 Cfg P4 Pump 4 configuration MFC MAINS operation from converter or mains MFC MAINS YES MAINS ONLY operation only from mains 5 15 Cfg P5 Pump 5 confi
40. if present 5 horteireult converter or failure of power Short circuit in the drive or in the call service to repair drives and if is module wires feeding the drive not present test isolation of wires and windings of the drive 6 High current The current of the drive is to Too high intensity of acceleration a Increase acceleration time of the high sudden change of drive loading drive Overheating of the motor or Check loading of the motor current 7 l t limit Overheating of the drive operation with high loading at small of the motor check parameters of speeds thermal drive model TWERD Power Electronics 39 Section 6 Failures and warnings Failure Displayed Description Possible reason Counteraction codes name At input option with living zero 2 Check a configuration of analog 8 InA damage Damage of the analog input 10V or 4 20mA value of a signal is inputs test system of connection lower than 1V damage of a cable etc Braking resistor overload Dedelerin imei too chor Increase the deceleration time par 9 R brake ovrlo OPATA DANE O orang Maximum operate resistor s time in poo cen oe resistor exceeded the time DC voltade ioo shon Increase the maximum operate set in par 3 55 g resistor s time in DC voltage Failure of charging circuit of capacitor bank The contactor 10 DC charging is not switched on only for Dama
41. listed in section 2 v Hemove the protective film from the display v Choose a configuration of the frequency converter and realize it according to this User s Manual 1 4 Environmental conditions Degree of pollution During design second degree of pollution has been assumed at which there are normally only non conducting pollution However there is a probability of temporary conductivity caused by a condensation when the converter doesn t work In case the environment in which the frequency converter will work contains pollution which can influence its safety it is necessary to apply appropriate counteraction using for example additional cases air channels filters etc Climatic conditions Installation site During warehousing During transport from 10 C to 55 C from 25 C to 55 C Protective packing from 25 C to 70 C Temperature Relative humidity from 5 to 95 from 596 to 9596 Max 95 when converter doesn t work Short term insignificant condensation on the external side of the converter case is permitted only Air pressure from 86 kPa to 106 kPa from 86 kPa to 106 kPa from 70 kPa to 106 kPa 1 For nominal load temperature 40 C was assumed however for lower loads higher temperatures are acceptable TWERD Power Electronics Section 1 Conditions of safe operation 1 5 CE certificates Frequency converters of MFC710 fulfill
42. many connections of the cable shielding to ground Additional information about equipotential connection can be found in section 2 1 1 Shielding Wires between the mains filter and the frequency converter are not necessary for shielding if their length doesn t exceed 300mm In case the length of conductors exceeds 300mm it is necessary to use the shielded wires Completely shielded cable is a cable which fully complies with requirements of interference radiation according to EN 55011 norms Such cable should have the screen consisting of spiral metallized aluminium foil and tinned copper plait with a puls duty factor of not less than 85 96 not separated galvanically Connection of the cable ends to ground is obligatory It is necessary to use grounding of the cable shielding on whole section of a cable on both ends For this purpose a special EMC grommets are used They provide valid contact of cable shielding to the case of the equipment In addition it is necessary to use special cable clips to connect it to back wall of a case for example It is necessary to pay attention that the unshielded cables are as short as possible Junctions of the shielding with a ground should be free from insulating coat on a whole section Be careful not to damage the shielding It is not recommended to weave the copper plait in one point without using EMC grommet in order to realize grounding In case of need control signal wires should also be shielded using the sa
43. of the frequency converter e Blocking from thermorelay or thermistor in the drive parameter 3 1 permits to switch on thermorelay blocking see section 4 4 4 2 e External emergency stop instant stop of the drive in coast mode see par 2 112 possible options Sw Off In C1 In C6 Sw Off by default function does not operate e Blocking from F STOP There is a built in blockade in referencing unit structure It is switched on by parameter 2 14 If itis set on No par 2 13 determines the minimal frequency value below which frequency will not decrease by default 0 5 Hz If par 2 14 is set up on value YES par 2 13 determines the blocking frequency If value of frequency decrease under level from parameter 2 13 blockade is activated STOP If frequency increases above the limitation set with par 2 13 will result in repeated start of a drive The mode of switch on off will be coordinated due to the characteristic such as loop of hysteresis see fig 4 16 fselected START BLOCKING Pat 2137 PERRA NERONE C Crasse a enn NR Fig 4 16 Operation principal of blocking from F STOP e SLEEP blocking of PID controller see section 8 4 4 4 Thermal protection of the drive 4 4 4 1 Protection limit lt The built in thermal model of the drive enables to calculate temperature of the drive in the theoretical way The Model is developed on the basis of the following assumptions e t
44. of the frequency converter by means of connection RS 13 Control of the frequency converter by means of connection RS Frequency converter MFC710 is equipped with RS232 communication link and or RS485 depending on variant It enables to control work of device with help of a computer or an external controller The basic characteristics and possibilities of the RS link of the frequency converter operation with speed 9600 19200 38400 or 57600 bits per second a format of a character 8 data bits lack of parity control 2 stop bits transfer protocol MODBUS mode RTU check of transfer validity with use of CRC sum unit number converter set up with help of parameter typically 12 support of MODBUS commands command 3 read the register allows to read individual registers from the converter or block of up to 127 registers command 6 register write write to individual register in the converter possibility of reading of an operating mode control start stop reading and writing of referencing units possibility of reading and writing of all parameters of the converter just as by means of a control panel possibility of reading all 512 PCH and writing 64 of them which are intended for writing through RS connection All operations are based on two basic commands of MODBUS RTU protocol 3 and 6 which are described in publications concerning MODBUS 13 1 Parameters which concern communication through RS Table 13 1
45. selector BLOCKING f fault has done Electric drive operates low F STOP par 2 13 and 2 14 Constraint START STOP by means of RS only when Enable RS PCH 40 1 about value PCH 40 determine par 4 7 BIT6 of register 2000 MODBUS 1 Fig 4 2c Complete structure of MFC710 control Section of signal START STOP and operation blocking External blocking of operates par 2 111 External operation permitted to operate par 210 Blocking with RS Bits 14 13 12 of register 2000 MODBUS when par 2 60 allow operation RS Blocking from control of pump group OPERATION PCH 61 gt 1 Electric drive operates BLOCKING PCH 73 START PCH 37 1 Control allows on start of the electric drive p 1 Electric drive is blocked Section 4 Configuration of the frequency converter 4 2 2 Control from the control panel In order to control the electric drive from the control panel using control place A control place A is default for control using control panel control place B can also be used it is necessary to set up e control place A parameter 2 1 should be set to O gt Sw Off e referencing unit for Control A parameter 2 2 should be set to gt 133 Keyb r e source of START STOP signal for control A parameter 2 4 should be set to gt 31 Keyb Fig 4 8 CONTROL STATE referencing unit and STAHT STOP local
46. sequences A range of a time 0 1sec 6553 5 sec interval 0 1 sec TIME 8 Constant Values see section 12 5 can be for example this PCH NEXT Force switching into following state forward The input operates at down up transition of a signal PREV Force switching into previous state backward The input operates at down up transition of a signal CLR Force transition into STATE 1 when CLR H differs from 0 SET Force transition into a STATE determined by input SETVAL when SET H the priority is lower than CLR SETVAL Mie ua to which the frequency converter passes after supply of signal SET a range O 7 there are only 3 youngest MODE 1 Outputs which correspond to current state of a sequencer At the same time only one of outputs STAT1 STAT8 have MODE 8 value other than zero NR SEQ An output value 0 7 Number of a current state minus 1 12 3 Multiplexers MUX1 and MUX2 These are two units which implement the selecting function 1 from 8 Depending on the input state of SELECT values O 7 only 3 youngest bits are important on the output of the multiplexer PCH number 313 or 314 value from an appropriate input from InO up to In7 is transferred It is possible to switch off the multiplexer input Sw on then input value of DVAL input is transferred to the output Parameter PRIOR can adopt a value from 1 the most high priority up to 48 see the description of a sequencer opera
47. the parameter 4 21 fig 3 14 change visibility with keys E set the optimal value confirm adjustment of the visibility value with the key 3 4 Configuration of the frequency converter 4 1 Setting nominal parameters of the motor Before the first run of the frequency converter it is necessary to determine nominal parameters of a motor Appropriate data can be read form the rating plate It is necessary to enter the following parameters Parameter 1 1 rated power of a electric motor kW Parameter 1 2 rated speed of a electric motor rpm Parameter 1 3 rated current of a electric motor A Parameter 1 4 rated voltage of a electric motor V Parameter 1 5 nominal frequency of a electric motor Hz Parameter 1 6 nominal cosq of a electric motor Check Appendix C for more details In the mode of scalar U f control these data it is enough for converter operation 22 TWERD Power Electronics MFC710 User s Manual 4 1 1 Preparation for operation in a vector control mode In case converter operates in the mode of vector mode with the sensor or without it additional definition of parameters of a so called equivalent circuit of a motor fig 4 1 is necessary e Parameter 1 11 pure resistance of stator windings Rs Ohm Parameter 1 12 pure resistance of rotor windings Rr Ohm the parameter 1 12 is defined automatically by converter MFC710 on basis of other motor parameters it is impossible to change
48. the speed regulator option than the maximum frequency the speed regulator 30 Endodaremot lieaigte ot aod Failure of encoder or connecting Check connections wires plugs Wires etc Fail Keyb RS A loss of communication between internal processor and keyboard Loading factory parameters identification run and others events causing the restart of frequency converter It is typical message in the case of restart of the frequency converter It should appear only for few seconds during the restart Applies only to regenerative frequency converters AcR type If you have difficulty removing the fault please contact the TWERD service 40 TWERD Power Electronics MFC710 User s Manual 6 4 Failure log Parameters 3 80 3 111 form the Failures Log allows to display a history of last 16 failures Failure record Ne 1 the newest Failure time Ne 1 the newest Failure code see Failure quantity which is written Operation hour of table 6 1 with the following parameter 3 81 converter when the failure had done Fig 6 5 Failure register example of the newest record Each record in the failure log consists of two parameters First informs about failure code fig 6 5a and second about time of its occurrence fig 6 5b Parameters 3 80 and 3 81 are the newest records of failure and parameters 3 110 and 3 111 are the oldest records of failure In a time of one ho
49. this PCH is treated as digital value logic O or 1 in this case value logic 0 corresponds to value PCH 0 and value logic 1 corresponds each arbitrary value PCH 0 PCH are numbered from 0 to 511 Some of them are named in order to display their function on LCD or LED of control panel Part of PCH remains not used and is intended for future use In table 10 1 general classification of PCH is presented The detailed description of every PCH can be found in Appendix A Characteristic Points Table 10 1 General classification of PCH PCH number Value PCH number Value 0 127 Digital variables of process e g Digital inputs 384 447 PCH accessible for record by means of RS connection 128 255 Analog variables of process e g Analog inputs 448 511 PCH connected with optional module of expansions 256 383 PCH connected with units of internal control PLC 11 2 PCH and the pointers how does it work Pointer with value O 511 Valise of pointer decides which PCH will be choosen Pointers and PCH are strictly connected Value of the pointer in range 0 511 decides which PCH will be picked value of this PCH is output value see fig 11 1 Output v alue content of selected PCH 11 3 Modification of standard control Fig 11 1 Principle of selecting PCH with help of the pointer Part of parameters in the frequency converter c AS TTT MFC710 are de
50. threshold defined by parameter 2 100 threshold 72 Warning Lack of the H the prevention of absence of a signal on analog inputs is switch on in mode 2 10V living zero 4 20mA 73 BLOCKING H the electric drive is blocked and isn t operating 74 Limitation of current H The electric drive is in a mode of the output current limitation 75 Brake H mechanical brake released 76 PUMP 1 Pump system control H pump 1 operates 77 PUMP 2 Pump system control H pump 2 operates 78 PUMP 3 Pump system control H pump 3 operates 79 PUMP 4 Pump system control H pump 4 operates 80 PUMP 5 Pump system control H pump 5 operates 81 Relay 1 State of relay digital output number 1 H it is switched on 82 Relay 2 State of relay digital output number 2 H it is switched on 83 Relay 3 State of relay digital output number 3 H it is switched on 84 Relay 4 State of relay digital output number 4 H it is switched on 85 89 Reserve Value always 0 90 Timer 50 ms Signal of timer with 50ms period and 50 filling 91 Timer 1s Signal of timer with 1s period and 50 filling 92 Timer 1min Signal of timer with 1min period and 50 filling 93 Timer 1 hour t 1hour Signal of timer with 1 hour period and 50 filling 94 124 Reserve Value always 0 125 RSTout Value corresponding to timeouf of the communication through RS 126 NULL Value always L 127 NOT NULL Value always H 128 132 Reserve Value always 0 133 Keyboard ref unit eee eae
51. 0 32767 5000 1 109 kp Iq 0 32767 1850 1 110 ki Iq 0 32767 5000 1 112 df carr Ac 10 10 Hz 0 Hz 1 113 SYNC mode 0 1 2 3 0 TWERD Power Electronics 71 Appendix C Table of MFC710 frequency converter s parameters Parameter Name_ Function Available options measurement unit Factory Change setting during operation GROUP 2 REFERENCING UNITS AND CONTROL 2 1 B Ctrl unit Switching on variant A or B Sw Off Control A Sw Off YES of control In C1 In C6 A B choice by means of digital input DI1 DI6 Control A Sw On Control B enabled 2 2 Ref unit A Choice of a referencing Keyb r frequency ref unit from the panel Keyb r YES unit for Control A In AO In A2 referencing frequency by signal from analog input AIO AI2 OutPID referencing frequency by PID controller MotPot referencing by increase decrease signals from motopotentiometer RS referencing through RS232 or RS485 connection Modbus 2 3 Ref unit B Choice of a referencing as above In AO YES unit for Control B 2 4 Start A Choice of a source of Dig In remote START STOP control from device s Keyb YES START STOP signal for Digital Inputs see par 2 8 Control A Keyb local START STOP control from the panel RS START STOP control through RS232 or RS485 Modbus 2 5 Start B Choice of a source of as above Dig In YES START STOP signal for Control B 2 6
52. 0 0 s 20s YES DYNAMICS 2 1 34 Stop Delay Set stopping time of the 0 0 600 0 s 0 0 s YES motor see section 4 3 1 1 35 S Curve S Curve 0 00 YES 0 300 96 t 1 36 Dyn choice Enabling Sw Off Dynamics 1 active accel and delay 1 Sw Off YES DYNAMICS 1 or In C1 In C6 switching on Dynamics 2 by means of DYNAMICS 2 digital input DI1 DI6 Sw On Dynamics 2 active acceleration 2 i delay 2 1 40 f max Maximum output frequency 0 0 600 0 Hz 55 0 Hz YES NOTE see also par 2 12 1 41 limit M Current limitation at motor 0 0 180 0 motor In 150 0 96 YES operation 1 42 limit G Current limitation at 0 0 180 0 96 motor In 150 0 96 YES generator operation 1 43 T limit M Torque limitation at motor 0 0 180 0 motor Mn 150 0 96 YES operation 1 44 T limit G Torque limitation at 0 0 180 0 motor Mn 150 96 YES generator operation 1 45 Sel Torq Direct torque set Source of direct torque set outPIn YES 1 50 UO Voltage for output A 0 32 0 96 YES frequency FO par 1 51 Lr M dt depends on the nominal 0 0 40 0 motor Un p 52 power of the converter pl 50 14 pL5l E 1 51 f0 FO frequency 0 0 20 0 96 0 0 96 YES TWERD Power Electronics 69 Appendix C Table of MFC710 frequency converter s parameters Parameter Name Function Available options measurement unit
53. 0 338 460 345 15 25 13 13 22 90 200 kW 92 250 kW 93 315 kW 125 920 420 2 125 355 kW 875 gags esae 640 345 15 25 13 13 22 400 kW 130 450 kw 1090 190 1045 2x817 800 345 15 25 13 13 22 500 kW 1127 190 1 approximate weight of the frequency converter may vary depending on the construction 2 version launched in 2012 3 height of the frequency converter increased due to the power terminals blocks 4 bottom mounting hole spacing 5 version launched in 2013 in brackets are the previous dimensions 16 TWERD Power Electronics MFC710 User s Manual Table 2 2b Mechanical dimensions of the frequency converters MFC710 690V type i a Type of converter AY Masa Modification MFC710 690 eu kg a A b B C d a ao 75 kW 9 65 90 kW 838 865 190 283 400 12 15 85 85 18 110 KW 9 927 955 370 434 272 14 9 5 9 4 9 182 gg 132 kW 9 65 160 kW 90 200 kW 90 Tm 875 920 338 460 345 15 25 13 13 22 o B 315 kW 95 355 kW 125 lt 875 crn nodo 640 345 15 25 13 13 22 2 500 kW 130 560 kW 200 630 kW 1045 295 2x317 800 345 15 25 13 13 22 200 800 kW 200 Approximate weight of the frequency converter may vary depending on the construction Fo
54. 1 Usual blocking of parameters set up to YES when the frequency converter is turned on If there is no code access in the system changing to NO allows to change parameters 4 2 Current access level reading entering of access code record 4 3 Change of access code for current access level 4 4 Restoring to factory options of the frequency converter 4 5 Blocking of parameters record in EEPROM don t use service parameter 3 2 1 Unblocking changing of parameters When supply of the frequency converter is switched on the parameter 4 1 blocking of parameters is established to YES what makes any changes in options of system impossible Change of the given parameter to NO fig 3 9 allows changing parameters ATTENTION If access to parameters is blocked by a code see section 3 2 2 and the next in this case it is impossible to unblock access to parameters without entering a valid code Changing of parameter 4 1 in this case will be unsuccessful Fig 3 9 Switching off the blocking of parameters edition 3 2 2 Blocking by an access code With the purpose of protection of the frequency converter options from possible intervention of unauthorized persons system of access codes is used The access code can be a number from 0 up to 9999 Entering the access code enables changing of parameters of the converter and is carried out by the parameter 4 2 fig 3 10 There are two unblocking codes CODE1 causes
55. 1 ud Ref A0 Ref A1 Ref A2 analog referencing units from analog inputs Source of force referencing unit signal It serves for determining of force used to roll medium 5 2 In F Possible values Ref A0 Ref A1 Ref A2 analog referencing units from analog inputs Maximum linear speed of rolled medium This speed corresponds to 100 of signal value of linear s mies speed referencing unit par 5 1 0 00 320 00m s 54 cim Minimum diameter of roller see fig 9 1 Basing on this value application determines minimum torque 0 0 33000mm 55 inox Maximum diameter of roller see fig 9 1 Basing on this value application determines maximum torque 0 0 33000mm 5 6 Mo Friction torque set in 96 10 Pump Group Controller The MFC710 built in control system of pump group or ventilating fans enables to control group of maximum 5 pumps or ventilating fans Standard frequency converter MFC710 has 4 digital outputs and can serve 4 pumps The fifth pump can be connected using the optional expansion module One of controlled pumps is the pump with an adjustable speed of twirl it is connected to the frequency converter and other pumps are connected automatically to work from a mains when needed Working frequency pressure and also quantity of working pumps are adjusted in feedback using PID controller of the converter or directly from any referencing unit One pump works with a rotational speed which is ad
56. 2004 bits 6 1 2 the referencing unit from an output of the PID controller Read only bits 7 1 the referencing unit from a control panel bits 8 1 the referencing unit with another PCH advanced bits 9 1 START STOP from digital inputs remote bits 10 1 START STOP from a control panel local bits 11 1 START STOP with another PCH advanced bits 12 1 START STOP set through RS connection bits 13 1 the referencing unit of frequency from communication channel RS bits 14 1 active frequency is CONSTANT f c its 15 1 the emergency referencing unit is switched on can be connected to other bits determining a source of the referencing unit TWERD Power Electronics o Section 13 Control of the frequency converter by means of connection RS PID controller state This register informs from where current referencing unit and input signal of PID controller is coming and also whether SLEEP is switched on bits O 1 PID referencing unit from an analog input O bits 1 1 PID referencing unit from an analog input 1 bits 2 1 PID referencing unit from an analog input 2 bits 3 1 PID referencing unit from a control panel Read only 2005 bits 4 1 PID referencing unit from communication channel RS bits 5 1 PID referencing unit comes from PCH advanced bits 6 1 PID input from an analog input O bits 7 1 PID input from an analog input 1 bits 8 1 PID input from
57. 20s YES 3 45 Spd err Re Response to error of output No no response No YES speed Warn a warning will be displayed device keeps working with referenced frequency f const 7 Fail device will stop and message will be displayed 76 TWERD Power Electronics MFC710 User s Manual Parameter Name_ Function Available options measurement unit Factory Change setting during operation 3 46 Delta n nz Acceptable difference 0 1000 rpm 200 rpm YES between referenced speed and speed of the drive 3 47 D time max Maximum time of 0 0 12 0 S 0 1 s YES acceptable error 3 50 Re Underl Response to underload No no response No YES Warn a warning will be displayed device keeps working with referenced frequency f const 7 Fail device will stop and message will be displayed 3 51 Underl time Time of underload 0 1200 s 120 s YES 3 52 Underl torq Torque of underload 0 0 100 0 70 0 YES 3 55 RbrkingTime Maximum operate resistor s 0 600 s 10s YES time in DC voltage 3 56 Re Rbrake Reaction to the excess Ignore no response Ignore YES braking time Warning a warning will be displayed Fail device will stop and message will be displayed 3 57 AcR fail Re Reaction to lack of Ignore no response Ignore YES communication with AcR Warning a warning will be displayed device keeps module or failure AcR working with
58. 3 Section 2 Installation of the frequency converter 2 2 Connection of control circuits In fig 2 6 user terminal block of two variants of the control board are presented The first one is used in drives of rated power 18 5kW and below 2 6a The second variant of the board 2 6b is used in drives of rated power 22kW and above Analog inputs SSS SS SS SS Se Operating mode of DI6 operating mode E tod RU t JS for AH E Digital input mode Use only incremental J4 for Al2 E encoders with the line ede tae a ee ERIT Cd Motor thermistor transmitter interface Analog outputs operating mode Voltage x J1 LATE j E 9 mode X p mode and 5V type J2 for AO2 curent MI CE uA uc eee E MI mode i Terminal jumpers oV Voltage Current e of RS485 interface mode mode NNNM S a A Put on J6 J7 if the VC gy ae J3J4 drive is the last one LL ee ler fel i on communication Z J1 ele J2 y ala 5 bis Et 5 e 3 UAM PNE E E Z B Z LLI cO X
59. 32 250 315 315 MFC710 132kW 132 250 160 310 375 315 MFC710 160kW 160 310 180 375 465 400 MFC710 200kW 200 375 250 465 570 500 MFC710 250kW 250 465 250 465 690 630 MFC710 315kW 315 585 355 650 850 800 MFC710 355kW 355 650 400 730 940 800 MFC710 400kW 400 730 400 730 1100 800 MFC710 450kW 450 820 500 910 1190 1000 MFC710 500kW 500 910 560 1020 1365 1250 1 for ambient temperature lt 35 C Py nominal output power when the maximum overload current lp is about 1 5 In constant torque load TWERD Power Electronics MFC710 User s Manual In nominal output current at Pw Pno nominal output power when the maximum overload current is about 1 1 Ine pumps fans luo nominal output current at Py lp overload current 60 seconds every 10 minutes lz maximum nominal current protection Table 0 2b Technical data of frequency converters of the MFC710 500V series depending on a type Constant torque load Variable torque load Type max overload 1 5 max overload 1 1 lp lz MFC710 500 A A Py kW In A Py kW lu A 0 37kW 0 37 1 2 0 55 1 6 1 8 6 3 0 55kW 0 55 1 6 0 75 2 0 2 4 6 3 0 75kW 0 75 2 0 1 1 2 8 3 0 6 3 1 1kW 1 1 2 8 1 5 3 6 4 2 6 3 1 5kW 1 5 3 6 2 2 4 4 5 4 6 3 2 2kW 2 2 4 4 3 6 0 6 6 10 3 0kW 3 6 3 4 8 0 9 5 10 4 0kW 4 8 0 4 8 0 12 16 5 5
60. 9 30kW 30 36 37 43 52 37kW 37 43 45 52 65 45kW 45 52 55 64 78 55kW 55 64 75 87 95 75kW 75 87 90 104 130 90kW 90 104 110 121 156 110kW 110 121 132 144 182 132kW 132 144 160 179 217 160kW 160 179 180 219 268 180kW 180 202 200 242 300 200kW 200 219 250 266 329 250kW 250 266 315 329 398 315kW 315 329 355 393 491 355kW 355 375 400 420 530 400kW 400 400 420 530 500kW 500 500 500 550 560kW 560 560 560 615 630kW 630 630 650 715 800kW 800 800 800 920 For frequency converters at nominal power 400 kW and above the range of overload is determined in consultation with the Customer Py nominal output power when the maximum overload current I is about 1 5 In constant torque load In nominal output current at Py Py nominal output power when the maximum overload current is about 1 1 Ine pumps fans Ivo nominal output current at Py le overload current 60 seconds every 10 minutes 8 TWERD Power Electronics MFC710 User s Manual 1 Conditions of safe operation 1 1 Warnings 1 2 Basic rules e After connecting converter to the supply grid internal circuit components except In Out clamps are on the supply grid potential Touching them can cause an electric shock U V W even when the motor does not work about 5 minutes When you connect the converter to the supply grid there is a dangerous voltage on clamps e After disconnecting the device from the supply grid the dang
61. A tu Esse e pU Ed mL dE 23 42 VS IRUGUUING OF CON Olasetecis cS 23 4 2 2 Control from ihe COMMON Dalelz tice asa nets Neo a a atre nasa Blea cone Sua r 26 4 2 3 Control through terminal CONNECTIONS cccceeeececccceeceeeeeeeeeeeeesaeeeeeeeeeeeaeeeseeeeeeeseeeeeeeeeeeeessaeaessesseseeeeeeesees 26 42 4 VWOIKWIID CONSTANT SDOGQUS se secceere A cs a E oc une p tee cues acoge ende ka utis cee usce Ps acu DU dead s eU UE 27 22 5 JMOIOBOLEnIOIeI E scuneodum uei cult E if UE LP ket D posee 27 4 2 6 Other possibilities of the frequency converter CONTIOL ccccccccseeeeeeeceeeeeeeeeeeeeeeeeeueaeeeesseaeeeeessaneeeeesaaaeees 28 4 2 7 Configuration of digital and analog inputs and outputs eessseeesssssesesseeeeeenn nennen 28 4 3 Configuration of the electric drive essssssssssessssssseseee nennen nennen nnns nnns n naar nnn nnns n nsn ss senes enn n nnns 31 4 3 1 Establishing dynamic characteristics and ways of halting the electric drive ssssseeesssssesssese 31 4 3 2 Formation of U f characteristic ccccccssececcssecccesseeceaseeeccaseecceaseeceaececeaseeeceageeesauseecsagececsaseessauseessageeessags 31 4 93 93 Elmibalor orTregueleles 2 een somete toon eene Dec vera oom eI toes ac esas e cues e aa eee Los E ELSE E 32 43A BDC directeuren Ora KiNG e I oak Ais aetna E aai a EAE 32 43 5 Mechanical DEBE iaa ctae far darteune en testor udee dide ene etae a a r E 32
62. EL TOPFLEX EMV 3 PLUS 2YSLCY J 600 1000 V No cores x Power ratings No cores x Power ratings CrOSS sec with 3 loaded cores CrOSS sec with 3 loaded cores mm A mm A 3x1 5 3G 0 25 15 3x50 3G 10 146 3x2 5 3G 0 5 22 3x70 3G 10 180 3x4 4 3G 0 75 29 3x95 3G 16 217 3x6 3G 1 38 3x120 3G 16 254 PE 3x10 3G 1 5 53 3x150 3G 25 291 Fig 2 2 HELUKABEL TOPFLEX EMV 3 71 3x185 3G 35 332 3x16 3G 2 5 X PLUS 2YSICY J 3x25 3G 4 93 3x240 3G 42 5 394 600 1000 V 3x35 3G 6 117 TWERD Power Electronics 11 Section 2 Installation of the frequency converter 2 1 1 Safety rules Equipotential connections The protection against indirect touching live parts consists of automatic switching off by special short circuit protection or differential current protection or voltage limitation to a level not exceeding acceptable values in case of an insulation failure The short circuit to ground at the frequency converter output can be not detected by short circuit protection devices due to DC link circuit The protection against phase to phase and phase to ground short circuit on the output of the converter is provided However this protection is based on IGBT transistors blocking what does not conform to the requirements of fire prevention protection Due to that for safety of staff it is necessary to make local equipotential connections In the frequency converter there a
63. ES lowpass filter 2 60 PID Ref Src Choice of PID controller Keyb P referencing frequency from panel Keyb P YES referencing unit Ref A0 referencing frequency by signal from analog input AIO Ref A1 referencing frequency by signal from analog input Alt Ref A2 referencing frequency by signal from analog input Al2 RS PID referencing through RS232 or RS485 link MP PID motopotentiometer PID 2 61 PID Inp Src Choice of regulated value Ref A0 referencing regulated value from analog Ref A1 YES of PID controller referencing unit Ref AO Ref A1 referencing regulated value from analog referencing unit Ref A1 Ref A2 referencing regulated value from analog referencing unit Ref A2 2 62 Error inv Negation of controller s NO YES NO YES error 2 63 P Amp Amplification of 1 3000 96 1000 96 YES proportional element of PID controller 2 64 Const Constant of time of the 0 01 320 00 s 1 00 s YES PID controller 2 65 D Amp Amplification of differential O 500 0 YES element D 2 66 max Out PID Upper limitation of PID 0 3000 0 100 0 96 YES controller output value 2 67 min Out PID Lower limitation of PID 3000 0 0 0 0 YES controller output value 2 68 PID Out res Resetting PID output when 0 reset on STOP 2 YES device is stopped 1 PID controller continuously active 2 when the PID controller is not active PID s output tracks the actual reference frequency only for the case of direct u
64. Factory Change setting during operation 1 52 U1 Voltage for output 0 0 100 0 96 50 0 96 YES frequency F1 par 1 53 1 53 f1 F1 frequency 0 0 100 0 96 50 0 96 YES 1 54 dU at In Compensation of a voltage E 0 0 96 YES drop from output current 0 0 40 0 Un p1 52 1 55 f Start Minimal output frequency A 0 0 Hz YES for U f operation modes 5 Ons Abode U t pl 55 t 1 60 Slip comp Slip compensation YES slip compensation enabled NO YES NO disabled 1 61 Flyin Start Running the frequency 0 function disabled 0 YES converter when motor is 1 search in one direction searched frequencies spinning from Fref or Fmax 2 search in both directions searched frequencies from Fref or Fmax 3 search in one direction searched frequencies from Fref 4 search in both directions searched frequencies from Fmax 1 62 Reg Hi Udc Service parameter YES YES 1 63 Reg Low Udc Service parameter NO YES 1 64 Stop mode Stopping by coast or Coast stopping by running out after STOP Ramp YES according to characteristic command voltage taken off immediately Ramp deceleration to 0 Hz at first then shutting down 1 65 Dir Block Blocking direction of Reverse bidirectional Reverse YES rotation LEFT RIGHT 1 66 U DC br Voltage of DC braking 0 1 40 0 motor s Un direct current braking 0 1 96 YES 1 67 DC br time Braking time 0 0 320 0 s 0 0s YES 1 68 Min t Stop Minimal time of stopping 0 00 10 00 s 0 02 s YES 1 69
65. H 181 UR4 TWERD Power Electronics 51 Section 11 Advanced programming of MFC710 11 6 System of rotation counter System of rotations counter serves for measuring the amount of rotations of connected to converter encoder Parameter 4 28 Scale determines the quantity of units that correspond to one rotation of encoder Thus it is possible to scale any quantity connected with performing the rotation For example it can be an amount of mm corresponding to one rotation amount of rotations in appropriate scale Counter can be erased by any PCH Parameter 4 29 n rot reset defines PCH which erases the counter Setting 1 erases and switches off the counter Counter counts up or down in range 32000 32000 Current value of counter is placed in PCH 177 System of rotations counter used in structure of PLC control can serve for example to set programmed quantity of rotations of drive s shaft 12 PLC controller In standard variant the frequency converter is equipped with built in PLC controller which can serve for the control of converter s work or control of any process PLC controller is switched on when the parameter 5 144 is set up on value YES The basic characteristics of control system PLC e 48 universal 3 input units from which each can implement one of 43 logical arithmetical or time counting functions e the sequencer unit with a possibility to program a sequence which will consist of maximum 8 states each
66. LC for example referencing of quantity of converted pieces of products selecting time intervals etc There is an access to the User Referencing unit only when these conditions are satisfied e current control A or B is not set up on frequency referencing rotation speed from the Panel par 2 2 for control A and par 2 3 for control B e the Referencing unit of the PID controller par 2 60 it is not set up on the referencing from the Panel e parameter 4 30 Choice User Referencing unit is set up on value 1 for UR1 2 for UR2 3 for URS or 4 for UR4 Value defines choice of active referencing unit In fig 11 5 change of the Referencing unit for par 4 30 1 is shown Fig 11 5 User Hef unit 1 UH1 the measurement unit is set up on item Each of four User Referencing units UR1 UR2 UR3 and UR4 has parameters which define e an allowable range of referencing unit e displayed measurement unit as in Table 11 3 e quantity of decimal places The detailed description of parameters about user referencing unit can be found in the Appendix C see parameters from 4 30 to 4 51 Parameters 4 32 4 35 enable changes of the referencing unit even when there is no direct access to it from the Control panel In order to connect value the User Referencing unit with structure of control of the frequency converter four PCH are provided which keep current values of SU1 SUA PCH 178 UR1 PCH 179 UR2 PCH 180 UR3 PC
67. NO modification of parameters is unblocked 4 2 Level CODE Access level reading Access level ALO AL2 Do not apply YES Access code writing Access code 0 9999 4 3 New CODE Change of access code to New access code 0 9999 Do not apply YES current access level 4 4 Fact set Loading factory settings access level AL2 required Do not apply NO 4 5 En EEPROM Access to save changes in NO Switching on blocking of writing to EEPROM YES YES EEPROM memory memory parameters can be changed however they won t be remembered after shut down of power YES parameters are normally written to EEPROM the access level AL2 is necessary 4 6 Full ptrs Full pointers YES values of parameters which are pointers e g NO YES Par 4 7 are possible to change in full range PCH O PCH 511 4 7 RS perm Permission to work through Sw Off operation through RS prohibited Sw Off YES RS In C1 In C6 enabling RS permission by digital input DI1 DI6 Sw On operation through RS permitted 4 8 RS baudrate Transmission speed 38400 57600 9600 19200 bps 9600 YES Note restart the converter is necessary to activate the changes 4 9 Unit no Identification number of 1 247 12 YES Modbus device 4 10 L1 at STOP Value displayed in upper par 0 1 par 0 57 YES line when device is not working see section 3 3 4 11 L2 at STOP Value displayed in lower par 0 1 par 0 57 YES line when device is not worki
68. Off Sw Off In C4 In C4 In C5 Sw Off 2 31 In C6 In C6 In C6 Sw Off Sw Off In C5 In C5 In C6 Sw Off 2 32 Sw Off Sw Off Sw Off Sw Off Sw Off In C6 In C6 Sw Off Sw Off 2 68 2 2 2 0 2 2 2 1 2 2 70 0s 0s 0s 0s 0s 0s 0s 60s 0s 3 10 In C3 In C3 Sw Off Sw Off In C3 Sw Off Sw Off Sw Off Sw Off 3 70 In C4 In C4 In C4 In C4 In C4 Sw Off Sw Off Sw Off Sw Off 4 10 par 0 11 par 0 11 par 0 11 par 0 31 par 0 11 par 0 11 par 0 11 par 0 11 par 0 11 4 11 par 0 5 par 0 5 par 0 5 par 0 30 par 0 5 par 0 5 par 0 5 par 0 34 par 0 5 4 12 par 0 4 par 0 4 par 0 4 par 0 31 par 0 4 par 0 4 par 0 4 par 0 4 par 0 4 4 13 par 0 7 par 0 7 par 0 7 par 0 2 par 0 7 par 0 7 par 0 7 par 0 34 par 0 7 4 14 par 0 1 par 0 1 par 0 1 par 0 30 par 0 1 par 0 1 par 0 1 par 0 1 par 0 1 4 15 par 0 2 par 0 2 par 0 2 par 0 4 par 0 2 par 0 2 par 0 2 par 0 2 par 0 2 4 16 par 0 3 par 0 3 par 0 3 par 0 6 par 0 3 par 0 3 par 0 3 par 0 3 par 0 3 4 17 par 0 4 par 0 4 par 0 4 par 0 7 par 0 4 par 0 4 par 0 4 par 0 4 par 0 4 4 18 par 0 5 par 0 5 par 0 5 par 0 8 par 0 5 par 0 5 par 0 5 par 0 5 par 0 5 4 19 par 0 6 par 0 6 par 0 6 par 0 10 par 0 6 par 0 6 par 0 6 par 0 6 par 0 6 4 20 par 0 7 par 0 7 par 0 7 par 0 20 par 0 7 par 0 7 par 0 7 par 0 7 par 0 7 5 1 Ref AO Ref A0 Ref A0 Ref A0 Ref A0 Ref A0 Ref A0 Ref A0 Ref A0 5 10 No No No No No No No Yes No 5 27 Ref AO Ref A0 Ref A0 Ref A0 Ref A0 Ref A0 Ref A0 RefPID Ref A0 42 TWERD Power Electronics MFC710 User s Manual 8 PID controller Frequency
69. R TST OP STOF NIL UV IW mechanical brake J ON FF Relay Kx P CH 75 Llurrenit Rys 4 13 Illustration of drive speed LE mechanical brake connection ALL System operation par z 103 Fig 4 14 Illustration of mechanical brake control Table 4 6 Configuration parameters of mechanical brake control Parameter Name Description 2 16 Ref delay Referencing unit start up delay s 2 101 Br re delay Brake release delay s time needed to magnetize the motor not magnetized motor is unable to create torque 2 102 Br close n Below this speed a command to close the mechanical brake is sent rpm 2 103 Br close t Time of work after closing command is sent s time needed for complete locking of mechanical brake 32 TWERD Power Electronics MFC710 User s Manual 4 3 6 Flying start Flying start enables valid start up of the motor in case initial soeed of a shaft of the drive differs from zero Five modes of par 1 61 are possible 0 function is switched off 1 search in one direction search frequency from Fref or Fmax 2 search in two directions search frequency from Fref or Fmax 3 search in one direction search frequency from Fmax 4 search in two directions search frequency from Fmax Search in one direction should be used for electric drives in which in case of switching off voltage powering the motor loading will not result in change of a direction of the device Se
70. Sec aed am ei eph 200 par 2 43 50 96 Ref A0 30 0 Ref A0 20 0 50 0 30 0 100 0 35 0 READ ONLY Value Ref A1 in 96 0 46 Ref A1 value Ref A1 par 2 47 par 2 44 Al1 100 0 READ ONLY Value Ref A2 in 96 wee RELRENAUC We RERA duane dca A d 100 0 e Digital outputs relays In the converter there are 4 digital outputs 8 relay outputs which are called K1 K2 i K3 or DO1 DO2 and DO3 1 open collector output marked DO4 Each digital output can simultaneously realize up to two programmed functions In table 4 4 there are parameters which serve for a choice of functions of digital outputs TWERD Power Electronics 29 Section 4 Configuration of the frequency converter Table 4 4 parameters of configuration of digital outputs Parameter Digital output Value Note 2 90 Relay K1 Choice of function 1 State of digital output corresponds to the logic sum of values of both 2 91 DO1 GhicE ORTU functions according to the table 2 92 Relay K2 E Function 1 Function2 State of output 2 93 BO Choice of function 2 3 s 2 94 Relay K3 Choice of function 1 o j 2 95 A Choice of function 2 i l 2 96 Open collector Choice of function 1 1 2 97 en Choice of function 2 The list of possible functions is in the description of parameters Appendix C By changing parameters from table 4 4 it is possible to choose advanced functio
71. Service parameter 5 62 Mux1 DV Value of MUX1 output 32000 32000 0 YES PCH 313 when MUX1 is enabled par 5 60 5 63 Mux1 Sel Source of MUX1 input PCH O0 PCH 511 PCH O YES selection 5 64 Muxl In 1 Value of input 1 MUX1 PCH O PCH 511 PCH 0 20 YES 5 65 Mux1 In 2 Value of input 2 MUX1 PCH 0 PCH 511 PCH 0 20 YES 5 66 Mux1 In 3 Value of input 3 MUX1 PCH 0 PCH 511 PCH 0 20 YES 5 67 Muxl In 4 Value of input 4 MUX1 PCH O PCH 511 PCH 0 20 YES 5 68 Mux1 In 5 Value of input 5 MUX1 PCH 0 PCH 511 PCH 0 20 YES 5 69 Mux1 In 6 Value of input 6 MUX1 PCH 0 PCH 511 PCH 0 20 YES 5 70 Mux1 In 7 Value of input 7 MUX1 PCH 0 PCH 511 PCH 0 20 YES 5 71 Mux1 In 8 Value of input 8 MUX1 PCH 0 PCH 511 PCH 0 20 YES 5 80 En Mux2 Signal of switching on PCH O PCH 511 PCH 0 YES MUX1 PLC block MUX2 disabled 5 81 nu Service parameter 5 82 Mux2 DV Value of MUX2 output 32000 32000 0 YES PCH 314 when MUX2 is enabled par 5 80 5 83 Mux2 Sel Source of MUX2 input PCH 0 PCH 511 PCH 0 YES selection 5 84 Mux2 In 1 Value of input 1 MUX2 PCH O PCH 511 PCH 0 20 YES 5 85 Mux2 In 2 Value of input 2 MUX2 PCH 0 PCH 511 PCH 0 20 YES 5 86 Mux2 In 3 Value of input 3 MUX2 PCH 0 PCH 511 PCH 0 20 YES 5 87 Mux2 In 4 Value of input 4 MUX2 PCH O PCH 511 PCH 0 20 YES 5 88 Mux2 In 5 Value of input 5 MUX2 PCH 0 PCH 511 PCH 0 20 YES 5 89 Mux2 In 6 Value of input 6 MUX2 PCH 0 PCH 511 PCH 0 20
72. There is a possibility of an external control of Sees peor E a process which takes values from these PCH 448 511 PCH EXT 1 64 PCH intended for service by means of optional extension module additional inputs outputs analog digital etc Appendix B Table of Functions of Universal Blocks Each Universal Block has 3 inputs which have been marked out A B and C These inputs can be pointers or parameters In the table below following convention of type denoting is used A big letter A means that input A is parameter value is assigned directly to it but a the small letter a means that the input a is a pointer it points PCH which contains input value Inputs B and C are marked in the same way Caution In OUT which is interpreted as logic value 0 1 or not yes abbreviation H is used for definition of any value different from zero logic 1 For definition of logic 0 value character L is used Function Output Description number OUT of the block a Output OUT assumes a value which is defined by an input a It serves for storing values 0 which are quickly changed for 10ms after execution of this block value of output PCH will not change even if input value changes 1 a b c Value OUT of the unit is the sum of three pointers a b and c 2 a b c Product a b divided by value c 3 a 4 b OUT of the unit a b negation the sum 4 ABS a b OUT of the unit an a
73. Timp B 5 T T TRIG for 1 TRIG for C H C polarity m 33 Pulse is positive or It is analogous to function 32 Difference inputs b and c are pointers it is possible to negative change a pulse duration and its polarity in PLC operating mode Generator signal Ton B T c de o ule o ee ub s HN AME a ENABLE Tor C T g sx js dn T SP E ds 34 B C times periods OUT Oo ENABLE Impulse delayed Tei B T T C T Tos Ton Ta a a input impulse Detection of the next ae a E T HE B C delay times pulse begins in points W1 a I L and W2 Oum D Switch on switch off To 7C T T function with delayed shut g down a a switching on impulse m 36 leading edge LM b switching off impulse leading edge OUT C delay on shut down Switch on switch off Top C T If the pulse To function with delayed b appears in time Top switching on switching on will not take 37 a switching on impulse place b leading edge b switching off impulse OUT leading edge C delay on switching on The filter of analog signals Sum a b is taken as input value of the filter T C T a b inputs of the filter oe C the constant of the 38 filter wyj cie filtru X 0 T Fast counter The counter converts pulses from digital input DI5 The maximum frequency of converted a quantity of impulses for impulses is 2 kHZ The unit can be used only once in structure of the program
74. Y For this purpose par 5 28 should be set on 3 Parameters 5 16 for the Pump 1 to 5 20 for the Pump 5 define signals activating each pump Value 0 Sw Off means that the pump will be always in inactive mode the control system will not use it Value from 1 In C1 up to 6 In C6 means that this pump will be activated deactivated by the corresponding digital input DI1 DI6 of the converter if the pump is in an active mode and operates and will be deactivated its immediate shutdown will occur Value Sw On means that the pump will be constantly active there will be no opportunity to block its operation The pump in an inactive mode cannot be switched on in operation neither as leading nor as additional Parameters 5 11 to 5 15 determines operating modes for each pump There are two opportunities MFC MAINS MAINS ONLY MFC MAINS the pump can be the pump with regulated by converter speed of a rotation the main pump and also can operate as an additional pump powered directly from the grid MAINS ONLY the pump can operate only as an additional pump powered directly from the grid 10 5 Monitoring work of pumps It is possible to monitor state of pump group controller by means of par 0 34 fig 10 3 Parameter in group 0 Regulated pump Operating pumps Here PUMP 1 Control system of pumps is switched off No operation pumps Fig 10 3 Information about state of the Control system of pumps g
75. YES YES Start device will stay stopped or will stop independently of whether the key START has been pressed before NO device remembers pressing of START button and will start immediately after changing control to local 12 TWERD Power Electronics MFC710 User s Manual Parameter Name_ Function Available options measurement unit Factory Change setting during operation 2 16 Ref delay Ref unit switching on delay 0 0 12 0 s 0 0s YES 2 20 Motopot up Source of increase signal Sw Off lack Sw Off YES for motopotentiometer In C1 In C6 increase ref unit when there is a referencing unit voltage supplied on digital input DI1 DI6 2 21 Motopot dwn Source of decrease Sw Off lack Sw Off YES signal for In C1 In C6 decrease ref unit when there is a motopotentiometer ref unit voltage supplied on digital input DI1 DI6 2 22 Motop mode Motopotentiometer mode 0 sending STOP signal by pushing STOP button 1 YES through RS or other possibilities causes resetting of motopotentiometer settings 1 value of motopotentiometer setting is stored in memory There is no possibility of changing this setting during stoppage 2 value of current referencing unit setting traced by motopotentiometer Applied for gentle transmission from current ref unit to motopotentiometer 3 value of motopotentiometer setting stored in the
76. a constant values It is necessary to choose the Constant number 1 PCH 320 from among characteristic points for input B and the Constant number 2 PCH 321 for input C 54 TWERD Power Electronics MFC710 User s Manual FCH 134 InAU UNIT and function 2 A BJ C PCH 320 Cons I PCH 256 Un 1 PCH321 Cons 2 Fig 12 6 Unit diagram implementing an example Value PCH 256 PCH 134 5 The parameter 5 144 Switching on PLC is set up on YES Since this time PCH 256 the output of the unit number 1 is the value corresponding to result of operation X 5 that in our case corresponds to value of an analog input O increased 5 times which means it changes in limits from O to 5000 0 0 500 0 fig 12 6 12 6 Example of PLC use An example presented in this section describes how to control such quantities as output speed and time of drive acceleration by means of built in PLC TASK To modify the process of drive start up in such way that the speed characteristics of a drive would look just like it is shown in fig 12 7 In fig 12 7 it is possible to distinct three zones the First zone slow acceleration Dynamics 1 Il zone the established speed and also lll zone fast acceleration Dynamics 2 Frequency converter MFC710 allows to set up 2 different rates of acceleration and braking Dynamics 1 and Dynamics 2 These rates are determined by parameters 1 30 1 31 1 32 1 33 P
77. ail 2 Choice of external failure Sw Off disabled Sw Off YES source 2 In C1 In C6 reporting external failure 2 when there is voltage supplied on digital input DI1 DI6 3 20 Sw on Al Reporting failure of lack of Sw Off don t report failures Sw Off YES signal lt 2V when Al In C1 In C6 reporting failures when there is doesn t serve as voltage supplied on digital inout DI1 DI6 referencing unit Sw On always report failures 3 23 Re 4mA lack Response to lack of analog No no response Warn YES signal level lt 2V 4mA Warn a warning will be displayed device keeps working with referenced frequency f const 7 Fail device will stop and message will be displayed f last a warning will be displayed frequency will stay on an average level from last 10s Fconst7 device will work with referenced frequency f const 7 3 30 Re Sym lack Response to asymmetry of No no response No YES the load Warn a warning will be displayed device keeps working with referenced frequency f const 7 Fail device will stop and message will be displayed 3 35 ground Value of leakage current at 0 0 100 0 In of the drive 25 0 96 YES which device will be shut down 3 40 Stall Re Response to stall of the No no response No YES drive Warn a warning will be displayed Fail device will stop and message will be displayed 3 41 f Stall Stall frequency 0 0 50 0 Hz 10 0 Hz YES 3 42 Stall time Stall time 0 600s 1
78. al control from keyboard Remote control through digital or analog inputs Local Remote choice between local and remote PID speed regulated by PID controller Motopotentiometer control with increase decrease signals from digital inputs Constant frequencies operation with constant frequencies switching through digital inputs Torque regulation setting the torque by signal from digital input vector control Pumps control of pump group Reeler setting the torque with the reeler calculator vector control Additional functions of the panel Definition of User s values for direct observation of the process variables choice of measurement unit scale and data source e g from PLC controller Definition of User s referencing device for direct changing of the process variables choice of measurement unit and scale LCD contrast adjustment TWERD Power Electronics 5 Technical data Short circuit Short circuit on unit output Overcurrent Instantaneous value 3 5 ln effective value 2 5 I MFC710 400V 1 43 Un Ui 400V AC 750V DC Overvoltage AC DC MFC710 500V 1 32 Un Ui 500V AC 900V DC MFC710 690V 1 28 Un Ui 690V AC 1200V DC Undervoltage 0 65 Ui Thermal device Heatsink s heat sensor Thermal motor lt limit motor heat sensor PTC type Protections Supervision of communication with control panel Established permissible time of
79. ameters 84 TWERD Power Electronics DECLARATION OF CONFORMITY C 4 We Manufacturers name Zak ad Energoelektroniki TWERD Micha Twerd Manufacturer s address KONWALIOWA 30 87 100 TORUN POLSKA PHONE 48 56 654 60 91 FAX 48 56 654 69 08 www twerd pl twerd twerd pl Declare at our own responsibility that product Product name Frequency converter Type MFC710 kW Installed and used according to User s Manual recommendations meets the requirements of Polish standards Safety IEC EN 50178 2003 IEC EN 60204 1 2010 IEC EN 61800 5 1 2007 EMC IEC EN 61800 3 2008 which are equivalent to European standards harmonized with directives 2006 95 WE Low Voltage Devices LVD 2004 108 WE Electromagnetic Compatibility EMC MSc Micha Twerd company owner D ale eere erc
80. andard option is 50 Hz and its maximal value 200 Hz it is an absolute maximum of output frequency 4 3 2 Blocking a direction of drive rotation There is a possibility of partial blocking of the electric drive with permission of operation only in one direction In this case irrespective of control signals the frequency converter will rotate the drive only in one direction Parameter 1 65 allows to define this option Reverse operation in two directions option relative Left operation in one direction Right operation in one direction 4 3 3 Blocking the electric drive operation Switching on one of the arbitrary blocking described below results in drive stopping and makes it impossible to start until the time of taking down blocking signal blocking cause Blocking state is shown on the display see fig 4 15 Fig 4 15 Signalization of blocking sate an asterisk e External permission and blocking of operation Two parameters allow to define digital input which will serve as an external signal source for permission and blocking of operation par 2 111 Blocking of operation value Sw Off default switches off external blocking of operation possible options Sw Off In C1 In C6 par 2 110 Permission of operation value Sw On default permits operation in spite of state of digital inputs possible options Sw On In C1 In C6 TWERD Power Electronics 33 Section 4 Configuration
81. arameter 1 36 decides which dynamic is currently active a The parameter 1 36 is a pointer and consequently it can be set Fig 12 7 Selected characteristic of acceleration up so that one of PLC units decides about dynamics In fig 11 7 it is shown that after the electric drive acceleration with dynamics1 to speed N1 it is necessary to make time limit T and then to accelerate the electric drive with dynamics 2 to speed N2 It is necessary to modify parameter 2 2 Referencing unit A so that one of PLC units define an relative level of speed up to which the electric drive should be accelerated this level corresponds to the nominal frequency of the drive In fig 12 8 the structure which implements a given task it Acceleration end presented The unit 1 is the comparator which reacts to the value of first speed In the observed case 200 acceleration with dynamics 1 is implemented to speed of 20 0 um ST1 of nominal speed The signal Zeger 1 which informs about achievement of the first value of speed enables Unit 3 The Unit 3 is the counter which counts downwards from value 5 ST3 every 1 second constant speed for 5s The output signal of the Unit 3 enables the Unit 4 and switches type of dynamics Dynamics 1 or Dynamics 2 The unit 4 is a m um switch which depending on a signal en on input passes to the referencing zs z unit A the first or second value of speed ST1 ST2 Value of balance time ST3
82. arch in two directions should be used for electric drives in which in case of switching off voltage powering the motor loading can result in change of a direction of the device In case of modes 1 and 2 search of frequency can begin from the referenced frequency Fref or from the maximal frequency Fmax It depends on whether the repeated start begins After pressing a key STOP search from Fref e After restart of frequOency converter search from Fmax For search in one direction it is recommended to set up par 1 61 on 1 In case of search in two directions it is necessary to set up par 1 61 on 2 4 4 Protection and blocking 4 4 1 Current frequency and the torque limitations Current limit In order to prevent overloading of the electric drive you can limit maximal permissible output current of the frequency converter Parameters 1 41 and 1 42 with factory options are set up to value 150 96 of nominal current of the drive System will not allow current to increase higher then this limit Torque limit In order to exclude mechanical impacts in the electric drive the permissible torque on a drive shaft is set up by means of parameters 1 43 and 1 44 Standard option is 150 96 from rating value of the torque Output frequency limit In order to exclude possibility of setting frequency which considerably exceeds nominal frequency of the drive parameter 1 40 allows to limit the top limit of output frequency of the converter St
83. ber of the parameter from group 0 which is presented as third SP3 on a bottom line of the display in the mode of fast review 4 17 Number of the parameter from group 0 which is presented as fourth SP4 on a bottom line of the display in the mode of fast review 4 18 Number of the parameter from group 0 which is presented as fifth SP5 on a bottom line of the display in the mode of fast review 4 19 Number of the parameter from group 0 which is presented as sixth SP6 on a bottom line of the display in the mode of fast review 4 20 Number of the parameter from group 0 which is presented as seventh SP7 on a bottom line of the display in the mode of fast review 3 4 Contrast regulation Control panel of the converter MFC710 is supplied with a regulator of contrast This function has the relevant value when temperature in operating environment varies in a wide range The visibility is regulated by adjustment of the parameter 4 21 fig 3 14 Fig 3 14 Regulation of highlighting visibility Range of change 0 light 19 dark If the visibility is established in such a manner that display images it is not visible there is a possibility of a fast entering into the mode of adjusting of the parameter 4 21 according to the procedure below switch off the frequency converter and wait while control panel will go out switch on the frequency converter holding one of keys the converter will switch on in the mode of setting
84. bsolute value of a b 5 a b c OUT of the unit a b c bsasc Limitation of an output range Output signal of the unit is between b minimum and c maximum according to rules described below 6 If a lt b OUT b If a 2 b or a lt c OUT a If a gt c OUT c 7 BsasC The same as item 6 but B and C are constant parameters 8 a B OUT a B B is a parameter e g addition of a constant offset If c H OUT b The multiplexer 1 from 2 Logic state of an input decides about output value a or b Ifc 2 L OUT a OM ONCE i a Coe E OUT B If a 2 B OUT a If value of an input a is equal or higher than a threshold determined by input B an output 10 If a lt B OUT c value a will be assumed If value of an input a is less than threshold determined by input B an output value c will be assumed 11 az b C OUT H when the inequality is carried out OUT L in all other cases 12 az b C OUT H when the inequality is carried out OUT L in all other cases TWERD Power Electronics 63 Appendix B Table of Functions of Universal Blocks Function Output Description number QUT of the block 5 a b C OUT H when value is in the limits b C b C gt OUT L in all other cases If a b C OUT L A hysteresis The output signal doesn t change for a which is in limits b C b C gt If a gt b C OUT H 14 gt PCH B a C B 1000 Graduation The in
85. c p Number of decimal places Number of decimal places for US3 ref unit O 3 1 YES 4 48 min UR4 Minimum 5000 5000 0 YES 4 49 max UR4 Maximum 5000 5000 1000 YES 4 50 UR4 Unit Unit of ref unit US4 Displayed unit See table 11 3 Ao YES 4 51 UR4 dec p Number of decimal places Number of decimal places for USA ref unit O 3 1 YES 4 60 Usr1 choice Selection of data source Source of data displayed as par 0 54 Usr1 PCH O YES PCH O PCH 511 see section 11 4 4 61 Usr1 Unit Unit of parameter 0 54 Displayed unit of Usr1 See table 11 3 9o YES 4 62 Usr1 dec p Number of decimal places Number of decimal places for par 0 54 Usr1 O 1 YES 3 4 63 Usr2 choice Selection of source for Source of data displayed as par 0 55 Usr2 PCH O YES User Value PCH O PCH 511 see section 11 4 4 64 Usr2 Unit Unit of parameter 0 55 Displayed unit of Usr2 See table 11 3 Ao YES 4 65 Usr2 dec p Number of decimal places Number of decimal places for par 0 55 Usr2 0 1 YES 3 4 66 Usr3 choice Selection of source Source of data displayed as par 0 56 Usr3 PCH 0 YES see section 10 4 PCH 0 PCH 511 see section 11 4 4 67 Usr3 Unit Unit of parameter 0 56 Displayed unit of Usr3 See table 11 3 E YES 4 68 Usr3 dec p Number of decimal places Number of decimal places for par 0 56 Usr3 0 1 YES 3 4 69 Usr4 choice Selection of source Source of data displayed as par 0 57 Usr4 PCH 0 YES see section 10 4 PCH 0 PCH
86. ceeeeeeseeeeeceeueeeseeeeeseeeeeseaeeeeseeeeesseeeeesseeeeeseeeeeas 38 621 ISIN SLO UIC E I E T I e e 38 6 2 2 Deleting through a digital input of the converter lseeesessseesssssesseeeee enne nnne nennen 38 6 2 3 Remote deleting through HS TInk entier abt tea don setae eee dae ddeieune tutes entecc a elicere nets 38 6 2 4 Readiness to restart if the reason of failure has not GiSAMDPEAred cccceecccssececeeeeceeeeceeceseeeeseeeeseseeeeees 38 62 5 JAUtolTiadc Test alls sso etate im epe od ee eene oedecies esae E eA EAE deesset i edes cde tap A estin st dde dust iru durs 39 6 3 Codes or Tallures and Warhlgs sectis oko emper p ovata es te betae vetu Ula tanc Dd sau tud ae ara Rubus inc cuu eo dere deddt 39 04 Falure 0 erc 41 LOLS Oratory parame k eee emi ete t ies E E a Ea 42 am COMIN Ole PEE TEETH a E 43 8 1 Turning on and a configuration of the PID controller 1sseeeelseeeeeseeseeeeeeennenn nnne 43 9 2 Limitation ofsaturation and SLEEP TUNGOD nesunan din ee cecal al Pea Dea eae cae ee ecd ocu mad 44 TWERD Power Electronics 3 Contents SM Reder Cal CUIALOK ER A a E oneness 44 9 beTuttitig uon anid cohbligbitallolOl R usi semei ccs iduei ti e suapte Ue muU a dine ceeeeaumnosseeaara a MULA eR DE LE Ua 45 TO Purmp Group CONTE cae iadecte mde oxeiudeeb atacan itin ra sane Duda bostes ot uiutiaesse a pacd iua
87. ch define their function in the system Inputs are selected by control configuration parameters to perform certain actions fig 4 9 Fig 4 9 Analog input Al1 a or Analog Referencing unit Ref A1 b are chosen for speed control of drive rotation in control variant A 28 TWERD Power Electronics MFC710 User s Manual Table 4 3 Parameters defining a configuration of analog inputs Parameter Function Description 2 40 Configuration of AIO range Choice of range for input value O 10V 2 10V 10 0V inversion 10 2V 0 10V 10 0V 2 10V 10 2V voltage mode 241 Configuration of Alt range o soma 20 0mA 4 20mA 20 4mA current mode Mode selection see fig 2 6 0 10V 10 0V 2 10V 10 2V voltage mode eae Configuration of Al2 range 0 20mA 20 0mA 4 20mA 20 4mA current mode Mode selection see fig 2 6 A V 76 filtered value of AIO 10008 reete Constant of time for lowpass 63 C plo input voltage 2 49 filter AIO time s time constant 250 Constant of time for lowpass As par 2 49 filter Alt 251 Constant of time for lowpass As par 2 49 filter Al2 0 40 Value AIO HEAD ONE Value AIO in e g for range 0 10V voltage 5V corresponds par 0 40 50 0 0 41 Value A1 9 cx Value Al1 in 96 e g for range 0 10V voltage 5V corresponds par 0 41 0 42 Value AI 9 e un Value Al2 in 95 e g for range 0
88. converter has a PID controller Proportional Integral Differential The controller can be used for stabilization of any parameters at fixed level fig 8 1 Value of process CONTROL referencing ue i PROCESS TRANSDUCER of monito of process MFC710 Di ie Se et aaa eens ea cr aaa ee ee ee Se ee es os eee ees See ied parameter measuring of process Fig 8 1 Use of the PID controller for adjusting process parameter 8 1 Turning on and a configuration of the PID controller To enable PID controller as a source of referenced frequency it is necessary to set up par 2 2 for control A or 2 3 for control B on value OutPID fig 8 2 Fig 8 2 PID controller in the capacity of set point device A Table 8 1 Control and information parameters of the PID controller Parameter Name Description Source of ref unit for PID controller It serves for setting process referenced value Possible values Keyb P referencing PID from control board 2 60 PID Ref Src Ref A0 Ref A1 Ref A2 analog referencing units from analog inputs RS PID analog referencing units from communication module RS232 485 Modbus MP PID motopotentiometer PID Signal source of feedback PID controller d Ba i Ref A0 Ref A1 Ref A2 feedback is connected to one of the analog inputs
89. cription meaning Mode decimal PCH REGISTERS 1000 1383 PCH from number 0 up to number 383 see Appendix A Read only 1384 1447 PCH from number 384 up to number 447 intended for writing through RS see Appendix A Read write 1448 1511 PCH from number 448 up to number 511 see Appendix A Read only REGISTERS OF OPERATING MODES The register RS CONTROL The data is valuable only when the parameter 4 7 RS permission allows control of the device with RS Bits meaning bits 0 not used bits 1 the sequence 0 1 0 erases the message on failure bits 2 3 not used bits 4 1 force referencing PID from RS the register 2002 Read write bits 5 1 force referencing frequency from RS the register 2001 bits 6 1 force START STOP Control from RS bits 7 8 9 10 11 not used 2000 bits 12 1 BLOCKING of OPERATION shut down according to Parameter bits 13 1 BLOCKING of OPERATION shut down RAMP The last bits 14 1 BLOCKING of OPERATION shut down RUN OUT value written bits 15 1 START 0 STOP down in this Bits 4 5 6 allow to force control of the drive through communication channel RS even if referencing register cab units or source of START STOP signal is set up on value which differs from RS If for example the be read referencing units A is set up on value RS to set frequency with RS there is no necessity to set up bit 5 Forcing of control with RS by means of bits 4 5 6 results in switching off a so
90. d converter 22 Eomae The signal of external failure Check a signal at digital input DI3 is active which is chosen as an external failure Check the signal at digital input D14 23 External 2 The signal of external failure which is chosen as an external IS active failure Overheating of the electric Overheating of the electric motor or Check loading of the motor current motor or failure of the electric operation with high loading at small of the motor 24 Thermorelay motors external temperature speeds Check connections wires plugs sensor connected to WeC6 Failure of the temperature sensor etc DI6 or of the connecting wire l Too high anti torque failure of the Check operating device jam 25 Stall n hie Te unger operating device to low power of increase voltage of the frequency g g the converter converter Exceeded time of waiting Interferences or damage of a cable f 26 M form control panel connecting a control board with E connections wires plugs y transmission the converter U Eri Failure of a cable parameters of Waiting time on a signal from ee fe ane Check external connections and 27 HS time RS ic exceeded transmission are incorrectly set validity of RS parameters 28 U mains Voltage oscillations of circuit Voltage oscillation of power source DC are higher than allowable Output frequency of the Operation device rolls the motor up 29 f fmax frequency converter is higher or there is a big readjustment of Modify
91. d distribution which is certain in norm IEC 61800 3 In the housing environment this product can cause radio interferences and in this case user has to accept additional preventing measures By analogy in the second environment in which for realization of requirements of emission according to unlimited distribution is not obligatory to use filter RFI but it is necessary to consider an possibility of radio interference occurrence In IT grids usage of asymmetric filters of high frequency condensers Y and CY to reduce emission of interference ruins the concept of the distributive grid isolated from the ground Additional grounded impedances can become threat of safety in such systems For technical reasons in some applications current higher than 400A fulfilling requirements of EMC is not possible In such cases user and manufacturer should decide on ways of satisfying EMC requirements in this particular application 10 TWERD Power Electronics MFC710 User s Manual 2 Installation of the frequency converter 2 1 Connection of a power circuits The MFC710 converter is powered by the three phase power supply through the L1 L2 L3 input terminals In some implementations there is a necessary to connect auxiliary power source for supply internal fans In the fig 2 1 the scheme of power circuits connections is presented Diameters of wires and the parameters of chokes should be selected depending on current of a load Appropriate pr
92. e and with an input of the account counter permission ENABLES a CLK b ENABLE c max value 28 f out f in 2 C The divider of frequency with ENABLE input a f in b ENABLE OUT C the divider 29 EN A CLE Current value of the The counter up with an input of at counter permission ENABLE and reseting by ida de EE a CLK inverting CLR a SIS TT 9d b ENABLE LLLL LLLLAN Tr IERHIRH A c NOT CLR Caution after overflow max 65535 the ENA iC Tt TI11271121571323 counter starts with null Dota cud a i E E cu FULL LAL 0 7 depends on state of The binary decoder It replaces binary coded number with a decimal number in a band inputs a b c lt Q 7 gt according to the table a b 6 OUT 0 0 0 0 1 0 0 1 31 0 1 0 2 1 1 0 9 0 0 1 4 1 0 1 o 0 1 1 6 1 1 1 li TWERD Power Electronics 65 Appendix B Table of Functions of Universal Blocks Function Output Description number OUT of the block Positive or negative Caution the minimal duration of triggering impulse TRIG is 1 T Impulse on OUT is impulse maximally 1 T delayed in comparison with TRIG signal Next use of generator isn t a TRIG down up possible until termination of current impulse transition 32
93. e drive compared to rated torque 154 Torque percent Resolution 0 1 96 Value with positive sign means that the frequency converter rotates the drive negative the frequency converter brakes the drive Relative value which corresponds to current output power of the converter compared to rated 155 Power percent power of the drive Resolution 0 1 96 Value with positive sign means that the frequency converter rotates the drive negative the frequency converter breaks the drive Relative value which corresponds to current output voltage of the drive compared to its rated is Drive voltage percent voltage Resolution 0 1 96 Value without a sign always positive 157 PID error Value of present error of PID controller error PID input PID ref unit Resolution 0 1 158 Value of the PID controller referencing unit copy of PCH 142 for referencing units PID with RS PID ref unit or PCH 143 for referencing units PID from the panel or copy of the other PCH It depends on parameter 2 70 159 Drive temperature Estimated drive temperature in 96 resolution 0 1 96 160 PID Input Value of PID controller input It serves for connection of regulated process signal This is a copy p of PCH determined with parameter 2 61 161 ER unii Output of pump control system ref unit Value of this PCH should be chosen as a main ref unit l of the electric drive in Fast Review operation mode without PID controller parameter 2 2 or 2 3 Speed of the process Value of this
94. e electric drive blocked by a code ssesssuuesss 20 3 2 4 Activating protection by access code ccccsssececcceesseeccceesececceeueeeeccaeuseeeccaussececssuueeeecssauseeesssageeeesssagsesenes 21 3 20 Deactivating protection DY ACCESS COGO oed eoa reca ep ue eiae boda edited audies decis ie AERAR 21 3 2 0 Ghande of ACCESS CDOQS s us aai toteisime eiie oaa MR sped ead A Cm une INI Pup I at I IM a Eao NR MEDIEN 21 3 2 7 Loading of factory options of the CONVESTELM cccccseececcseeeeceeeeecceeeeecceusecceaueeeseeeeesaueeessaeeeeseueeeesaneesssageers 21 3 2 8 Factory values of ACCESS COCOS citra reiner nae pe On I RRE diee votre k d Fra artt seem deta cole sepe ud AAEE Nep m eee RARE 21 S2 EMIEDOIDIeIS uis idet mene oe dir ide cu D bL D MI Me Lc D LIE cce io med iE 21 3 9 Change of displayed Values cried erpuc cs viernes epus a inca wre ead a b hace dcin Eras eek beds Poco eles ace cee 21 oe Nee Contrast regula iON nn PREND DR ITO HH HC 22 4 Configuration of the frequency CONVESTES cccccssseccccceeeeececaeeeeececseseeeeeceeueeeeseeeaeeeeeeeaeeeeeeseaaseeessaaaeceeessaaseesssesssssesaaees 22 4 1 Setting nominal parameters of the motor ssseeseessssssessseseeee enne nnne nnn nnn nnns nna nnne nnn nnn nnns 22 4 1 1 Preparation for operation in a vector control mode essessssssesssseeeeee nennen nnns 23 d 2 CODO su orantes o eon a sala a ou LED Ln M
95. ecessary to define factory parameters of the connected motor and in case of using vector mode to carry out drive identification see section 4 1 and 5 1 Table 7 1 Sets of factory parameters Parameter 1 2 3 4 5 6 7 8 9 Base Remote Local PID Motopotentio Constant Regulated Pumps Winding Ne Remote meter Frequency torque 1 20 U f lin U f lin U f lin U f lin U f lin U f lin Vector1 U f lin Vector1 1 65 Reverse Reverse Reverse Reverse Reverse Reverse Reverse Right Reverse 2 1 Sw Off Sw On In C3 In C3 Sw Off Sw Off Sw Off Sw Off Sw Off 2 2 Keyb r Keyb r Keyb r OutPID MotPot Keyb r 100 0 OutPID 100 0 2 3 In AO In AO In AO In AO Keyb r In AO In AO In AO In AO 2 4 Keyb Keyb Keyb Dig In Dig In Keyb Keyb Keyb Keyb 2 5 Dig In Dig In Dig In Dig In Keyb Dig In Dig In Dig In Dig In 2 6 Keyb Keyb Keyb Keyb Dig In Keyb Keyb Keyb Keyb 2 7 Dig In Dig In Dig In Dig In Keyb Dig In Dig In Dig In Dig In 2 9 100 096 100 096 100 096 100 096 100 0 100 0 Ref A0 100 0 Ref RC 2 10 100 0 100 0 100 0 100 0 100 0 100 0 Ref A0 100 0 Ref A1 2 20 Sw Off Sw Off Sw Off Sw Off In C6 Sw Off Sw Off Sw Off Sw Off 2 21 Sw Off Sw Off Sw Off Sw Off In C5 Sw Off Sw Off Sw Off Sw Off 2 22 1 1 1 1 0 1 1 1 1 2 23 10 0s 10 0 s 10 0s 10 0s 5 0s 10 0s 10 0s 10 0 s 10 0 s 2 30 In C5 In C5 In C5 Sw
96. eeeessssesseseseeeee nnne nnne nnn nnns nnns nnns 51 11 5 The control panel definition of user refErENCING UNITS cccccccseeecccseeeeeseeeeeceeeeeeseeeeeceeueeessaueeesaueeessaeeeeeeeseseess 51 116 SyS lemo TrotraUon COUME em t orb 52 12 PLC CONVOI germ meee EE E E S 52 12 Unversal Tuncuonal BOCK Sres a a e a a A 52 122 S60UGNCEF COVICC zeian aKa n KE EEEE EREE ASER CEEE EEE NEIKE EA EEE AREKE EE EEEE 53 12 3 Multiiglexers IU A Tand MUX ausos teer rate A E E A ANE pecie nace t E EET 53 124 G ve Shablfic UN sssi a E e ae ea eode Matis ach tia a 54 12 5 ON IS alios siete a r eon a r a Jee it oie teed 54 126 Example Ol PEO US Enean E A O a a 55 13 Control of the frequency converter by means of connection RS cccccceccseeeceeeeeeeeeeeecaeeseeeeseeeseeeeseeaeeeeesaageeesessaneeees 56 13 1 Parameters which concern communication through RS ccccccccseeeeeeeceeeeeeeeceeeseeeeeseeeeeesaaeeeeeeseaeeeessaanseeeeeeees 56 13 2 Map of registers accessible through RS Kec iacuit i rep anto hear aeger e bn eue aeo en tear dt aen epe cis ei veis 57 Ia Manding Or CONNEC CUOM CI Ol Sates cece DE Sm Tore 58 14 Information from the manufacturer ioi reste seco hare SUD e nta gene eo ea pa RegS ener Dae e SEU wage ended nsec ede acco ee nenn 58 Appendix A Table Cmaracienistic PONS su sucede E eatin lene ccc caet uvas aeg antreten Eon sa sade t ese est antes iva Lap EE 59 Appendix B Table of Functions of Universal BIOCKS
97. epending on the type of a frequency converter information on the supply voltage is also placed on the nameplate Output voltage 0 Un V Output Frequency 0 0 400Hz Frequency resolution 0 01Hz vector Modulator SVPWM Control system Operation mode U f linear exponential Vector DTC SVM without sensor Vector DTC SVM with sensor of the rotor position Switching frequency 2 15kHz also random carrier Rotation speed setting Analog inputs control panel motopotentiometer PID controller communication unit RS232 or RS485 and other possibilities Resolution of 0 1 for analog inputs or 0 1Hz 1 rpm for the control panel i RS Control inputs outputs Analog inputs 3 analog inputs AIO voltage mode 0 2 10V Rin 2 200kO Ali AI2 voltage mode 0 2 10V Rin 2 100kO current mode 0 4 20mA Rin 2500 Operation mode and polarity are chosen by parameters and switches Accuracy 0 5 of the full range Digital inputs 6 digital separated inputs 0 15 24 V Ri 2 3kO Analog outputs 2 outputs 0 2 10V 0 4 20mA configuration by parameters and switches accuracy 0 5 96 Digital outputs 3 relays K1 K2 and K3 breaking capacity 250V 1A AC 24V 1A DC 1 open collector output 100mA 24V Fully programmable signal source Encoder interface Possibility of direct connection of incremental encoder 5V line driver 250kHz Recommended pu
98. erous voltage is still present for e Don t make any connections when the converter MFC710 is connected to the mains e Don t connect mains voltage to output clamps U V W e Don t measure the voltage endurance of any unit devices e To measure the cables insulation it is necessary to disconnect them from the converter e Don t touch integrated circuits and any other parts on the converter s electronic board as they can be damaged by electrostatic discharge e Don t connect any capacitors to motor wires intended for improvement of power factor e Don t measure output voltage of converter using digital voltmeters 1 3 Operation list The operations applied at installation and the first start up of the electric drive v After unpacking the converter it is necessary to check up visually presence of damages which could arise during transport v Check up the correspondence between the delivered frequency converter and the order check up the ratings plate on the case Delivery includes e the frequency converter with the User s Manual e achoke if it was ordered recommended for rated power 5 5 kW and above aferrite ring or RFI filter depending on the order v Check up the correspondence between conditions in which the converter will be used and conditions of an environment for which it is designed section 1 4 v Installation of the frequency converter should be made according to principles of safety and EMC rules
99. es for 0 one pump operates on the lowest speed for 100 96 all pumps operate In a standard mode the quantity of operating pumps and speed of the leading pump is determined by the PID controller on the basis of current referenced value desirable pressure and also value of current process current pressure Signal of referencing unit s pressure is set up by parameter 2 60 RefPID choice and the signal of current pressure is set up by parameter 2 61 InPID choice It is possible to set up for example that the referenced signal from a control panel and a signal of actual pressure from an analog input of the frequency converter In addition the PID controller can control rotation speed of leading pump if the parameter 2 2 frequency referencing unit for control A is set on value 137 gt Out PID In a mode of direct control the parameter 2 2 frequency referencing unit for control A must be set on value 161 gt PumpG This option is outside of standard range of parameter s 2 2 options In order to make such option of par 2 2 available it is necessary to set up par 4 6 Full pointers on value YES 10 4 A configuration of pump amount and operating modes of separate pumps blocking of pumps Maximum quantity of pumps which are switched on simultaneously is set up by parameter 5 28 For example if a group of 4 pumps which are active can operate under control from pump group controller but we want only 3 of them to work SIMULTANEOUSL
100. essary to set up a switch J5 depending on type of the sensor fig 1 2 and fig 4 19 Note Digital input We C6 DI6 is default assigned to function constant speeds It is necessary to move this signal to another digital input beforehand or just turn it off by par 2 31 a b J5 i J5 DI6 Thermal relay DI6 i Thermistor PTC _ in electric Pa Y in electric 24V motor 24V j jp motor m V hR Terminal 77 Terminal J v7 block of block of control control MFC710 MFC710 R kOhm time Blocking Fig 4 19 Thermal protection by thermorelay a or thermistor b TWERD Power Electronics 35 Section 5 The first start 5 The first start Before first start of the converter MFC 710 it is necessary to check section 4 Configuration of frequency converter The structural circuit of control MFC 710 and Appendix C table of parameters of MFC710 are also very important Main options e nominal parameters of the drive see section 4 1 e control place A or B parameter 2 1 Control B Sw Off Control A In C1 Choice A B using digital input DI1 In C6 Choice A B using digital input DI6 Sw On Control B e Source of signal START STOP local from control panel remote from digital inputs remote from RS or others parameter 2 4 START A source of signal START for co
101. fault message when pressed longer than 2s Changing of actual reference unit value actual parameter iC D0 a a in preview changing of Sole m parameter value in 3m B edition mode pO dil Changing of information previewed in lower display line quick preview mode entering edition mode of parameter confirmation of parameter value change saving to memory Exit from quick preview mode parameters group preview exit from parameter edition mode Fig 3 1 Control panel the basic functions of the keys Control A is active Another variant B First line upper Short name of the parameter Here DC link volt First line upper Parameter s value Here DC link voltage Operation status Here rotation to the right Other possibilities rotation to the left drive locked Second line Second line e MN ee value Here state ee of digital inputs Here state of digital inputs Fig 3 2 Display of the control panel in the BASIC MODE an example of configuration reference value l H QUICK PREVIEW MODE QP Changing of reference is possible when at least one of the control panel reference units Is active Fig 3 3 Functional diagram of control panel operation 18 TWERD Power Electronics MFC710 User s Manual
102. fined as pointers fig 11 2 Due to this it is possible to change a standard way of controlling the frequency converter by connecting others PCH by means of these parameters This PCH can be for example outputs of control system PLC which implements any control algorithm There is an example in fig 11 2 The parameter 2 2 is the pointer which is set up in PCH no 133 that is the Ref unit of Panel Keyboard It means Value of the Referencing unit A will be taken from the control panel a After modification value of the Referencing unit A can be taken for example from an output of unit number 2 of control systems PLC b Co Md 11 2 Example For security reasons parameters which are pointers and concern operation of the frequency converter have restricted range of selecting PCH They are reduced to the several standard values For example for referencing unit A and B it is possible to choose standard PCH starting from no 133 to 139 respectively referencing unit of the panel referencing unit of analog inputs 0 1 2 an output of the PID controller a motor potentiometer and RS referencing unit It secures that the unexperienced user will not change this parameter to unspecified value If however the designed application of system demands different from standard setting of the pointer e g in case when for control of the converter it is necessary to use built in PLC system or a control system of pumps group in this case parameter 4 6
103. from the Control panel The picture on the display control state will be as it is shown in fig 4 1 referencing unit and local START STOP from the control Panel At this configuration change of frequency value of the electric drive or speeds of rotation in a mode of vector control is carried out by keys Start and a stop of the drive is carried out also from the Panel with keys LIFT RIGHT and also STOP 4 2 3 Control through terminal connections To have an opportunity of control of the electric drive through terminal connections form control place B control place B is default for remote control control place A can also be used e g START STOP through digital inputs DI and regulation of rotation speed using a potentiometer it is necessary to e set up the control place B parameter 2 1 should be set to 7 gt Sw On e set up referencing unit for Control B parameter 2 3 should be set to 4 134 In AO for an analog input AIO 4 135 In A1 for an analog input Al1 4 136 In A2 for an analog input Al2 e set up the source of START STOP signal for control B parameter 2 5 should be set to 30 gt Dig In e set up the parameter 2 8 Remote start it defines functions of control digital inputs as at the tab 4 1 e be sure that the choice of a mode of constant speed is not made values of parameters 2 30 2 31 and 2 32 should be set up 0 Sw Off Table 4 1 possible configuration variants of remote start
104. g by i Haltingto runnig out i characteristic M H Xa ari 64 ab czas Delay Delay par 1 31 or 1 33 par 1 31 or1 33 par 2 16 n gt time par par 2 16 1 68 Fig 4 10 a Illustration of parameters of influence on dynamics and halting of a drive Fig 4 10 b Illustration of influence of minimal stopping time and ref unit delay parameters e Parameter 1 35 S Curve allows to realize the smooth beginning and end of acceleration and deceleration e Parameter 1 36 Choice of DYNAMICS allows to set up dynamics variant 1 or 2 You can also decide that the choice of dynamics will be carried out through one of digital inputs ATTENTION setting up too small time of acceleration can result in occurrence of high current failures during the start up especially at significant loading of the drive There is a possibility of determining minimal time of halting and referencing unit delay fig 4 10b par 1 68 min t Stop minimal time needed to restart drive after stopping it par 2 16 Ref Delay time needed by referencing unit to run 4 3 2 Formation of U f characteristic In modes of scalar control U f there is an possibility of influence on type of the characteristic In modes of vector control Vector 1 and Vector 2 parameters of U f characteristic formation are not relevant The main parameter which influences on f
105. g the keys of arrows up down allows to adjust speed of rotation of the motor from the control panel It is possible when the control panel is in a basic mode or in a mode of fast review and at least one of the following conditions is carried out e current control A or B is switched on setting operation frequency from the control panel par 2 2 for control A and 2 3 for control B e referencing unit of PID controller is set for control from the control panel par 2 60 e one of four user referencing unit see section 10 5 is active At the same time only one of these referencing units can be used or they aren t used at all If referencing frequency from the control panel is switched on screen display after pressing one of keys EZ will look as it is shown in fig 3 4 PARAMETERS MODE Colon means Switch on displaying displaying and the reference changing Fig 3 4 Change of referencing unit frequency from the control panel level THE CONTROL STATE allows to receive Eee ZEE the information about which referencing unit of drive frequency and source of a START STOP signal are used in the circuit To enable the CONTROL STATE PAR GR S MEE on the display it is necessary to press a E3 key The effect will be such as it is shown in fig 3 5 Fig 3 5 Control State START left or right when local control selected from control panel Drive STOP cancelling
106. ge ol the PORIGPIOCOE Check connections wire plugs etc connecting wire converters on power above 30kW Absence of Failure of the temperature Failure of the temperature sensor 11 Call service temp sensor sensor or of connecting wires 12 Short cir of Short circuit of temperature Failure of the temperature sensor Gaisawice temp sensor sensor or of connecting wires Low Temperature of the heatsink Temperature of converter s at is temperature is lower than 10 C environment is to low Check efficiency of heating ACR module failure 14 AcR Fault Error code can be read in According to the table 6 1 According to the table 6 1 parameter 0 78 15 ACR module communication Failure of AcR module or Calbsanise failure connecting wire Error of output speed Incorrect setting the dynamics of difference between reference the drive output values of Check the drive system the drive 19 Spd control and output speed exceed frequency converter reached load Change the parameters 3 45 acceptable difference par operational limits of current torque 3 46 3 47 3 46 or time par 3 47 and or voltage Check connections of the 20 ae Asymmetrical loading x ace d e converter motor check resistance of y y put p g drive windings replace the motor Check and correct parameter settings 24 Undead Operation with loading which Parameters of a underload are which refer to underload of the is much lower than nominal incorrectly determine
107. guarantee and postguarantee service updates of software and equipment Periodic service In case of installation and use of the converter according to its specification there is no necessity of its frequent periodic service It is necessary to pay attention to cleanliness of a heatsink and the fan Heatsink A plenty of a dirt which covers a heatsink at operation worsens removing heat from device and can trigger protection against an overheat of the converter Cleaning of a heatsink can be made by means of pure and dry air under pressure using in addition a vacuum cleaner for gathering a dirt Fan In case of strengthening noise at fan operation and reduction of its productivity it is necessary to replace the fan To replace the fan it is necessary to disconnect a cable feeding the fan and to unscrew the fan New fan should be ordered in TWERD 58 TWERD Power Electronics MFC710 User s Manual Appendix A Table of Characteristic Points Caution In these PCH which are interpreted as logical values 0 1 or NO YES there is abbreviation H used to refer to value different form zero logical 1 For definition of value logical 0 abbrevation L is used PCH PCH name Function value note 0 Switch Off Value always L logical 0 1 In C1 State of digital input DI1 L OV H 24V 2 In C2 State of digital input DI2
108. guration MFC MAINS operation from converter or mains MFC MAINS YES MAINS ONLY operation only from mains 5 16 P1 active Pump 1 activation Sw Off pump disabled In C1 YES In C1 In C6 pump enabled by one of digital inputs DI1 DI6 Sw On pump enabled 5 17 P2 active Pump 2 activation Sw Off pump disabled In C2 YES In C1 In C6 pump enabled by one of digital inputs DI1 DI6 Sw On pump enabled 80 TWERD Power Electronics MFC710 User s Manual Parameter Name_ Function Available options measurement unit Factory Change setting during operation 5 18 P3 active Pump 3 activation Sw Off pump disabled In C3 YES In C1 In C6 pump enabled by one of digital inputs DI1 DIG Sw On pump enabled 5 19 P4 active Pump 4 activation Sw Off pump disabled In C4 YES In C1 In C6 pump enabled by one of digital inputs DI1 DI6 Sw On pump enabled 5 20 P5 active Pump 5 activation Sw Off pump disabled In C5 YES In C1 In C6 pump enabled by one of digital inputs DI1 DI6 Sw On pump enabled 5 21 Rep time Time of automatic 1 32000 h 24h YES replacement of leading pump 5 22 ON Delay Delay of switching on A time limit before switching on the additional pump 10 0s YES 0 0 60 0 sec 5 23 OFF Delay Delay of switching off A time limit before switching on the additional p
109. h on next according to a sequence from fig 9 6a main pump provided that it is not blocked and can operate from the frequency converter By temporarily blocking of main pump operation you can force replacement accelerated of this pump TWERD Power Electronics 49 Section 11 Advanced programming of MFC710 11 Advanced programming of MFC710 In order to use completely the frequency converter possibilities and to seize art of its programming it is necessary to familiarize with some concepts Characteristic point abbreviation PCH any from accessible 512 values which characterize current state of the converter s operation for example there are characteristic points which are responsible for a state of digital input and outputs values of referencing unit s signals and also points which are outputs of control unit PLC etc see section 11 1 Pointer parameter which decides about what among disposable 512 characteristic points PCH will be taken as input value in certain place of process see sections 11 1 and 11 2 Many of the standard parameters determining operation of MFC710 are in essence pointers that makes possible for example to control the electric drive operation using built in control system PLC 11 1 Characteristic Points PCH Each of 512 Characteristic Points is a 16 bit number and can accept a numerical value from range O up to 65536 for unsigned numbers or from 32768 up to 32767 for numbers with a sign If
110. he beginning of bottom line it means that it is blocked changing is impossible The possible reasons of blocking of parameter changing e Some parameters can be changed only if the system of the electric drive does not operate the drive is stopped e Blocking of parameters changing is switched on see section 3 2 1 GROUP NUMBER of parameter Parameter name Par value Fig 3 6 Viewing of parameters Here parameter 1 20 Operating mode In the PARAMETERS MODE there is an opportunity of viewing and changing the converter s actual parameters In fig 3 6 an example of displaying parameter 1 20 is shown Keys up down help to choose number of parameter from the current group of parameters Change of parameters group is achieved by pressing the key of a double arrow 5S Pressing key of asterisk J will result in transition to the PARAMETERS SETTING MODE only in a case if setting of parameters is not blocked In a mode of parameters setting value on the display is surrounded by square brackets as shown at Fig 3 7 Changing of parameter is BLOCKED Fig 3 8 Parameter is blocked e Changing of parameters is blocked by a code it is necessary to enter a corresponding code of access see section 3 2 2 and the next TWERD Power Electronics Section 3 Control panel Table 3 2 Parameters which are responsible for blocking and access control Parameter Value 4
111. he pump operating at present has worked the quantity of hours determined in parameter 5 21 e the tasked pressure is less or is equal to a threshold determined in parameter 5 24 blocking of replacement at high loading of grid e there is accessible at least one pump except leading pump which is not blocked and its configuration allows to operate as leading pump MFC MAINS e parameter P limit 5 28 is set up on value 2 or more When mentioned above conditions are satisfied the system passes to consecutive replacement of the leading pump With this purpose e in series of 2 seconds intervals all operating additional pumps are switched off according to sequence at the fig 10 6b e in two next seconds the leading pump is switched off e through following two seconds the new pump is switched on It is picked out of unblocked and ready to operate with signal from the frequency converter pumps It is the next pump in sequence see fig 10 6a after last used leading pump e the system will begin a normal operation and in case of need it will switch on the additional pumps REMARK If the system has been switched off from a supply grid after switching on power the same pump will be switched on as a leading pump as before The amount of operating hours before switching off power is remembered and taken into account at the subsequent switching on If the main pump is blocked other pumps are immediately switched off After that the system will switc
112. he temperature of windings changes according to exponential law e the drive achieves the maximal temperature for continuous work at a rated current e change of temperature depends on a ratio I In e the constant of time of cooling for stopped drive is four times more than a constant of time of heating during operation b A In of the drive 125 a A I 96 In 100 4 Par 3 3 1752 PT Cine gene a Time 0 Current temperature of the Par 3 4 4 Ts drive Ts can be counted 105 with par 0 9 10096 ps 63 0 25 Hz 0 Constant of heating time par 3 5 Fig 4 17 Definition of area of long operation a Dependence of calculated temperature from motor s current b and c 34 TWERD Power Electronics MFC710 User s Manual Relative long term motor current value for frequency higher then 25 Hz is determined by parameter 3 3 For frequency lower then 25 Hz long term current is lower smaller efficiency of the cooling fan which is placed on a drive shaft and it is determined by parameter 3 4 These parameters are determined in comparison with rating value of a drive current for 100 0 In Thus the area of long term Fig 4 18 Overheating failure work fig 4 17a is defined a When cooling the motor without additional ventilation only with the internal fan par 3 4 is necessary to set up on value of 35 of rated motor current If additional ven
113. ic 2 Oo DET voltometer x N igo O Q BR DC BR BR connectors are only present in frequency converters ready to work with the breaking resistor this converters are equipped with breaking transistors frequency converters at 18 5kW and below are equipped as standard with breaking transistor frequency converters at 22 kW and above are assembled in breaking transistor optionally Attention frequency converters also can have DC DC connectors These are connectors of internal DC circuit Do not connect breaking resistor to this connectors Marks used for converters 22kW and above n some frequency converters 30kW 75kW and others internal fan must be powered from an external power source A typical external supply voltage is 230V AC Optionally it can be 3x400V AC or other according to individual orders For this reason depending on the version there can be various power cords numbers and their markings For rated power 5 5 kW and above 3 phase choke is recommended 9 Frequency converters 450kW and above have 6 input clamps and are prepared to work with 12 pulse input system n a high power inverters can occur DC terminals M D Depending on the individual settings please connect a choke or do short out by jumper Fig 2 1 Connection of power circuits to MFC710 converter Table 2 1 Long term current load of copper wires with PVC insulation in temperature 40 C on the example of the cable HELUKAB
114. ice defines inductance Lm 5 1 2 Switching on identification run CAUTION 1 Before switching on of parameters identification mode it is necessary to enter nominal parameters of the drive which are described in section 4 1 nominal power current voltage frequency and speed entering erroneous parameters can result in damage of the motor and the frequency converter 2 During the ID run blocking direction rotation of the motor par 1 65 is not active 3 If is possible the motor should be disconnected from the load due to stage 3 during which the motor is accelerated to the speed corresponding to a frequency of 50 Hz or 25 Hz depending on the mode selected in par 1 10 When it is impossible to disconnect the load the option Dont run in par 1 10 should be chosen To start procedure of parameters identification it is necessary to set up parameter 1 10 Identification run on one of values e Run fn all 3 stages of identification are carried out stage 3 at 50 Hz e Run fn 2 all 3 stages of identification are carried out stage 3 at 25 Hz e Dont run 3rd stage of parameters identification isn t carried out in case when there is no possibility to perform tests with loading and it cannot be disconnected After setting parameter 1 10 on one of the options above mentioned the display of the control panel will look as it is shown in fig 5 1a After pressing one of keys START left arrow or right arrow procedure of para
115. ime defined by par Code of failure 3 12 Name of failure __ red LED is lighting ZN Fig 6 1 Example message on failure Thus the frequency converter passes to STOP mode To make the next START it is necessary to deal with a failure and to erase the message of failure In case of some failures the automatic restart deleting of the message is possible after disappearance of the failure reason Warning state is signaled by the appropriate message on the display without stopping the frequency converter and also by a blinking red light emitting diode LED fig 6 2 Warning is automatically erased after a drive stops Warning code Warning name s __ Blinking red LED a5 Fig 6 2 Example warning message In both cases functioning of a control panel is not blocked It is possible to look through and change all parameters of the converter without obstructions 6 2 Deleting failure message Automatic restarts 6 2 1 Manual deleting Push for at least 2 seconds 6 2 2 Deleting through a digital input of the converter The parameter 3 70 allows to choose a digital input which will serve for deleting message of failure Failure is deleted massage is absent 6 2 3 Remote deleting through RS link If parameter 4 7 allows to operate with RS control mode sequence of 2 next records in the register 2000 MODBUS deletes failure message The detailed description of separate bits and methods of deleting can be f
116. ime of 3rd state duration PCH O PCH 511 PCH 322 YES Constant 3 5 46 Seq time 4 Time of 4th state duration PCH O PCH 511 PCH 323 YES Constant 4 5 47 Seq time 5 Time of 5th state duration PCH O PCH 511 PCH 324 YES Constant 5 5 48 Seq time 6 Time of 6th state duration PCH O PCH 511 PCH 325 YES Constant 6 5 49 Seq time 7 Time of 7th state duration PCH O PCH 511 PCH 326 YES Constant 7 5 50 Seq time 8 Time of 8th state duration PCH O PCH 511 PCH 327 YES Constant 8 5 51 Seq Nxt Source of next state PCH O PCH 511 PCH O YES signal disabled TWERD Power Electronics 81 Appendix C Table of MFC710 frequency converter s parameters Parameter Name Function Available options measurement unit Factory Change setting during operation 5 52 Seq Prv Source of previous state PCH O PCH 511 PCH O YES signal disabled 5 53 Seq Clr Source of sequencer PCH O PCH 511 PCH O YES restart signal disabled 5 54 Seq Set Source of sequencer PCH O PCH 511 PCH O YES setting signal disabled 5 55 Seq SV Sequence to which PCH O PCH 511 PCH O YES sequencer block will be set after Seq Set signal value 0 sequencer 0 5 60 En Mux1 Signal of switching on PCH 0O PCH 511 PCH 0 YES MUX1 PLC block MUX1 disabled 5 61 nu
117. input DI1 DI6 Sw On operation allowed 2 111 Op Block External operation blocking Sw Off without operation blocking Sw Off YES In C1 In C6 blocking active when there is voltage supplied on digital input DI1 DI6 2 112 Em Stop Emergency Stop Sw Off no possibility of emergency stopping Sw Off YES In C1 In C6 emergency stop by means of one of digital inputs DI1 DI6 Parameter 2 113 is active only in a regenerative frequency inverter MFC710AcR 2 113 Enable AcR Enable active rectifier ACR Sw Off disabled Sw On YES In C1 In C6 enabled when there is voltage supplied on digital input DI1 DI6 GROUP 3 FAILURES 3 1 Sw on therm Switching on blocking from YES enabled NO YES the thermistor built in the NO disabled drive 3 2 i2t Block Switching on blocking from YES enabled YES YES thermal overload NO disabled 3 3 therm Setting of drive thermal 0 0 200 0 96 100 0 96 YES protection current 3 4 therm O Setting of thermorelay for 0 0 200 0 96 50 0 96 YES stopped drive 3 5 therm Const Constant of drive heating O 200 min depends on YES the nominal power of the converter 3 6 Energy Reset Resetting energy counter NO not active NO YES YES reset energy counter par 0 13 3 10 Ext fail 1 Choice of external failure Sw Off disabled In C3 YES source 1 In C1 In C6 reporting external failure 1 when there is voltage supplied on digital input DI1 DI6 3 11 Ext f
118. inputs state a St In and outputs b St Out o Digital inputs have no parameters which define their function Such function is determined only for remote start see table 4 1 and also thermal blocking for DI6 see section 4 4 3 2 In other cases the digital input is selected for using the certain functions using parameters which are connected to the given function of the frequency converter e g to choose control variant A or B using DI3 it is necessary to set up par 2 1 which makes choice of control variant on value In C3 as it is shown in fig 4 8 It means that there is a possibility of giving to this digital input simultaneously more than one function Other o parameter can be set up also on value In C3 Fig 4 8 Choice of control variant A B using DI3 e Analog inputs Frequency converter has three analog inputs AIO Al1 and AI2 in the control panel they are named In AO In A1 and In A2 Two of them Al1 and Al2 can operate both in voltage mode O 2 10V and in current mode O 4 20mA The choice of an operating mode for these inputs is carried out by switches J3 i J4 Input AIO can work only in voltage mode It is possible to connect directly a potentiometer or a voltage current source to analog inputs see fig 2 7 Table 4 3 compares the parameters responsible for a configuration of the analog inputs By analogy to digital inputs analog inputs have no parameters whi
119. installation principles reducing EMC problems are divided into four groups To achieve full success it is necessary to apply all principles listed below Not applying to one of principles ruins the effect of others separation The basic way of connecting the filter the frequency converter and the equalizer connections motor is presented in the figure below shielding e filtration L1 m re I T Supplying h Me filter li i converter E g x Fig 2 3 Connection of separate components of the electric drive system Separation Power cables supplying motor s must be separated from signal wires It is necessary to avoid parallel leading of power and signal wires in the common wire channels and especially in group of cables The crossing of power cables and signal cables under a right angle is allowed 12 TWERD Power Electronics MFC710 User s Manual Equipotential connections The frequency converter and the filter should be mounted as close as possible preferably on a common metal plate which act as a ground For this purpose you can use a mounting plate or a back wall of a case for example The casing of the frequency converter the filter and the metal plate shouldn t be coated with any insulation materials It is necessary to pay attention to an opportunity of oxidation of a surface that results in deterioration of contact For limitation of asymmetric disturbance level it is necessary to apply
120. ion 0 1 187 Fz 2 as above with the difference that value doesn t take into consideration direction of rotation Resolution 0 1 Min value of the frequency referencing unit a copy of parameter 2 11 Resolution 0 1 Hz Value 188 Fmin of the ref unit of the referencing unit in is determined by parameter 2 2 or 2 3 converted to resolution 0 1 Hz considering Fmin and Fmax 0 0 96 Fmin 100 0 Fmax Max value of the frequency referencing unit copy of parameter 2 11 Resolution 0 1 Hz Value 189 Fmax of the ref unit of the referencing unit in is determined by parameter 2 2 or 2 3 converted to resolution 0 1 Hz considering Fmin and Fmax 0 0 96 Fmin 100 0 Fmax 190 RTCmin Value corresponding to current minute of the day Range 0 1439 only in systems equipped with the optional RTC module 191 RTCdo Value corresponding to current day of the year Range O 365 only in systems equipped with y the optional RTC module 192 RTCdom Value corresponding to current day of the month Range 0 31 only in systems equipped with the optional RTC module 193 pump Value corresponding to currently working pump Range 0 4 194 motor Value corresponding to currently working motor Range O 4 195 197 Reserve Value always 0 198 r n Relative value which corresponds to current speed reference compared to rated speed 199 Iz n Relative value which corresponds to current speed reference compared to rated speed Value x with
121. irements EN 60947 3 disconnector with fuses or without disconnecting a load circuit before opening main contacts conforming the EN 60947 3 requirements tripper conforming the EN 60947 2 requirements User is obliged to fulfil this requirement Emergency stop In order to comply with EU directives and IEC EN 60204 1 2001 and for personnel safety and equipment it is necessary to use an emergency stop switch which has higher priority than other functions irrespective of operating mode The key STOP on operator panel cannot be treated as the switch of abnormal break because it doesn t disconnect a frequency converter from power supply User is obliged to fulfill this requirement Casing The casing conforms to the requirements of a IP20 protection degree The surface on which the control panel is situated fulfills the requirements of a IP40 protection degree The casing was designed in such a manner that it cannot be removed without usage of tools Capacitors discharging In a DC link circuit of a frequency converter there is a capacitor battery with relatively high capacity After turning off of a supply voltage in its clamps dangerous voltage is present for a certain time It is necessary to wait for 5 minutes before making connections on clamps of power terminal strip of a frequency converter The information about danger of such voltage is placed also on terminal strip cover 2 1 2 Electromagnetic compatibility EMC rules The
122. ister 2001 MODBUS Fig 4 2b Complete structure of MFC710 control Section of frequency referencing unit and direction of rotation D D D aa eee REVERSE PCH 38 gt LOCAL REVERSE PCH 34 START REVERSE A PANEL LOCAL START Dod AIB ERASE OF LOCAL ET PCH31 PCH 39 Par 2 xx A N par 2 1 REMORE START EN oN REPOS 1 PCHx pe Configuration of remote PCH 30 l I parameter 2 8 start PCH 33 e e Variants m 0 Start DI1 DI2 m 0 g a 1 DII Start right DI2 Start e UE LAUR e T 2 Impulse DII Start impulse amp _ Parameter B DI2 Stop Direction 0 v 2 6 OX MS 3 the same p 2 Plus DI3 3 a E te ots o direction pS pe P UU CE a ae a 4 DII Start Directiion 0 E N j i fco e e PCHx AG ead eee ae Enable RS PCH 40 gt 1 0 pauco Parameter Licet hee eee wD PO START STOP RS l 0 j REESE START REVERSE i Register 2000 MODBUS B i Bit 15 Par 2 5 Defines change of a sign of ref unit and change of a direction of rotation See the block diagram of frequencies
123. it while the drive is stopped In mode 2 settings of current referencing unit are traced by motopotentiometer so switching from current referencing unit to motopotentiometer s referencing is made very easily In mode 3 configuration of motopotentiometer is stored and there is possibility of changing it while the drive is stopped 4 2 6 Other possibilities of the frequency converter control Other possibilities arise from the analysis of the block diagram of control see section 4 2 1 From the major options it is possible to allocate Change of control place A B e g using a digital input par 2 1 Mixed control e g Referencing frequency from the control panel and a START STOP signal from digital inputs Control through RS232 RS485 connection see section 13 Referencing frequency from an output of the PID controller see section 8 Advanced functionalities connected with using of built in control system PLC or a control system of group of pumps see section 10 and farther 4 2 7 Configuration of digital and analog inputs and outputs e Digital inputs Frequency converter has 6 digital inputs designated DI1 DI6 in the control panel they are named In C1 In C6 Submission of 24V voltage on any digital input terminal strip fig 2 6 sets it in a logic state 1 Current state of digital inputs can be read on parameter 0 48 fig 4 7a 110000 means that voltage 24V is sent on DI1 and DI2 b Fig 4 7 Reading of digital
124. justed by frequency converter MFC710 it is the leading pump Other pumps are switched on switched off depending on necessity and powered directly from supply grid these are additional pumps The frequency converter decides which of pumps is the leading one and also automatically replaces the leading pump and turns on shuts down additional pumps L1 L2 LL L2 L3 MFC710 P4 P6 Pl CC P3 C bi PUMP I PUMP 2 Fig 10 1 Power circuit of 3 pumps group System with control of group of 3 pumps is shown in fig 10 1 If the operating mode with pump control is chosen the parameter 5 10 Switch on pumps is set on YES to each pump will be allocated one digital output of the frequency converter TWERD Power Electronics 45 Section 10 Pump Group Controller Pump 1 an output relay K1 Pump 2 an output relay K2 Pump 3 an output relay K3 Pump 4 digital output DO4 an open collector Pump 5 option To provide safe work of pump group shown in fig 10 1 it is necessary to mount the circuit of control of pump group as in fig 10 2 Switches S1 S2 and S3 enable to change a configuration of pump as switched off 0 switched on directly from a grid R controlled automatically by the frequency converter A MFC710 Note Showed numbers of clamps occurs for MFC710 22kW and above
125. kW 5 5 10 7 5 14 15 20 7 5kKW 7 5 14 11 20 21 25 11kW 11 20 15 24 30 30 15kW 15 24 18 32 36 50 18 5kW 18 5 32 18 5 32 48 59 22kW 22 37 30 50 56 63 30kW 30 50 37 60 75 80 37kW 37 60 45 72 90 100 45kW 45 72 55 90 108 125 55kW 55 90 75 120 135 160 75kW 75 120 90 150 180 200 90kW 90 150 110 180 225 225 110kW 110 180 132 200 270 315 132kW 132 200 160 250 300 315 160kW 160 250 180 300 375 400 200kW 200 300 250 380 450 500 250kW 250 380 250 475 570 630 315kW 315 475 355 520 713 800 355kW 355 520 400 584 780 800 400kW 400 584 450 656 876 900 450kW 450 656 500 728 984 1000 500kW 500 728 560 816 1092 1250 560kW 560 816 630 900 1224 1250 Px nominal output power when the maximum overload current lp is about 1 5 In constant torque load In nominal output current at Pn Pye nominal output power when the maximum overload current is about 1 1 Ine pumps fans luo nominal output current at Py lp overload current 60 seconds every 10 minutes lz maximum nominal current protection TWERD Power Electronics 7 Technical data Table 0 2c Technical data of frequency converters of the MFC710 690V series depending on a type Constant torque load Variable torque load Type max overload 1 5 max overload 1 1 lp MFC710 690 A Py kW In A Pro kW Ino A 15kW 15 18 18 21 26 18 5kW 18 23 22 26 35 22kW 22 26 30 35 3
126. l 0 determined with sign of referencing unit H 34 Local reverse opposite depends on pressing the key Left or Right on the control panel This PCH operates even if the chosen control is different from local 35 Ref unit sign Ref unit sign L positive ref unit H negative ref unit 36 BBIOWAT Sto H the converter is blocked because frequency referencing unit is lower then STOP frequency Stop It is determined with par 2 13 This function will be switched on only in case of par 2 14 YES H currently active control allows to START the electric drive But it doesn t always mean that 37 START the electric drive operates One of the several blocking types may be switched on or the drive be running out after braking directly before stopping Operating direction at currently chosen control L is determined with a sign of referencing unit 38 Payee H opposite Equal to PCH 33 for remote control PCH 34 for local control L for RS control At other control modes defined by parameters pointers 2 4 or 2 5 it is a copy of value PCH chosen by parameter pointer 2 6 or 2 7 39 A B control L Control A active H Control B active 0 general absence of permission to control the converter with RS H permission to control the converter with RS Value of PCH is a copy of PCH which is set by parameter pointer 4 7 If control through RS is selected par 2 4 or 2 5 and PCH 40 L then the referencing unit 40 Enable RS value PCH 166
127. ller Sequencer system Value H active mode 1 only one of the PCH 304 311 can STATE 1 assume value H at the same time and only if the sequencer is switched on 62 TWERD Power Electronics MFC710 User s Manual PCH PCH name Function value note 305 SEQUENSER PLC controller Sequencer system Value H active mode 2 STATE 2 306 311 SEQUENSER PLC controller Sequencer system Value H active mode 3 8 T STATE 3 8 312 SEQUENSER PLC controller Sequencer system Number of active mode Value of this PCH can assume NUMBER SEQUEN value 0 7 0 STATE 1 7 STATE 8 313 MULTIPLEXER 1 PLC controller Output of Multiplexer 1 Value L when Multiplexer 1 is switched off 314 MULTIPLEXER 2 PLC controller Output of Multiplexer 2 1Value L when Multiplexer 2 is switched off 315 Output CSU PLC controller Output Y of Curve Shaping Unit CSU XY 316 319 Reserve Value always 0 Constant number 1 Can be used as a factor in calculations made with help of Universal Block aie CONST It is a copy of parameter 5 120 Constant number 1 Can be used as a factor in calculations made with help of Universal Block eed CONSE It is a copy of parameter 5 121 Constant number 3 24 Can be used as a factor in calculations made with help of Universal IM I ee Block It is a copy of parameter 5 122 5 143 344 383 Reserve Value always 0 PCH accessible for writing using a connection RS
128. lse rate 1024 2048 Communication Connectors RS232 RS485 with optoisolation Communication MODBUS RTU Function 3 Read Register Function 6 Write Register protocol Baud rate 9600 19200 38400 or 57600 bit s Application Remote control of unit operation and programming of all parameters of the frequency converter Special functions PID controller Choice of referencing unit signal source and feedback signal source possibility of inverting polarity of an control error signal SLEEP function and output erasing on STOP signal limitation of an output value PLC controller Possibility of taking control over converter s operation START STOP system direction of rotation and frequency possibility of controlling any external process without connection of external PLC controller 48 universal functional blocks 43 functions simple logic and arithmetic blocks block of 8 state sequencer 2 multiplexers with 8 inputs curve shaping unit maximum execution time of the PLC program 10ms Control of pumps group Up to 5 pumps in a cascade Control with use of PID controller or by direct referencing Each pump can be programmed individually for operation from a frequency converter or from the mains possibility of pump blocking Automatic replacement of the pump after a preset time of operation Set of Predefined Factory Parameters There are 9 available set of predefined parameters Loc
129. m og tco ode eda te Sade rais is iet fun 45 10 1 Parameters of a pump group controller 1 eeeslssseessseseeeeeeee eee nnn nnns nnns nnns nnns 46 10 2 T rning OM pimp Oru CONTO ET secca atu etd cates ade ad eek beatae ere easi erra ai enr satan de eae e atto E 46 10 3 An operating mode with the PID controller and a mode of direct control eeeeeeseeeeseeeeeeessee 46 10 4 A configuration of pump amount and operating modes of separate pumps blocking of pumps 47 10 5 Monitorning WOK S e1u5 U ptor 47 10 6 Conditions of switching on off additional pump sseesseesissssseeseeeeeeeenennne nnne nennen nnn nnn nnne 48 10 6 1 Priority of switching on off additional pumps sessesssssessseseeeee nnne nnnm nnns nnns 48 10 7 Automatic replacement of pumps ccccceccccseeeecceeeeecceeeecsaseecseeeecseueeessaueeeseeeecsaseeeseaeeessageeessueeeesssseessageesseags 49 bTAdyancedoprodramimig Or MEGTTO zaioa onem teeta ee ettet vene Dette tana ettat t eens ch Re motae emma ese ee acu ede 50 ueber ica icimoi siit nem 50 11 2 PCH and the pointers how does it wOrk sssssssssssssssseeeeeee nennen nnne nnne nnn nnns n nnns 50 11 3 ModiticallotrorstaridardY COELO uias oreet e eo teas aeta ated fad ce oos tea osi a uius e atc heals oe aee 50 11 4 The control panel defining displayed values sse
130. me principles Filtration Use of the EMC filter limits noises spreading from electric drive system to mains Principles of filter installation are described at the description of equipotential connections and shielding Ferrite rings Fulfilling the requirements concerning interference emission in the first environment and limited distribution can be realized by using of ferrite rings instead of additional RFI filter in converters with rated power 15kW and below It is necessary to remember the warning placed in section 1 5 The ferrite ring which is delivered together with the frequency converter should be placed on a supply cable of the frequency converter as on the figure 2 4 The list of the equipment reducing EMC problems Jn MU PP QU ru The list contains the equipment which can be additionally established in the i nn m didis electric drive system to increase its noise stability and to reduce emission of interferences in the certain environment of operation a completely shielded cables we recommend cables TOPFLEX EMV and TOPFLEX EMV 3 PLUS HELUKABEL b EMC grommets throttles C ferrite rings d RFI filter REO SCHAFFNER e an EMC case an option which is not necessary for fulfillment of the EMC instructions THE AIR GRID EMC SPRING LINING III C c t C o T J a 5m LT Tt TI Fig 2 5 Installation principles reducing EMC problems TWERD Power Electronics 1
131. meters identification begins fig 5 1b 5 1c and 5 1d Depending on parameters of the drive stages 1 and 2 can last from several seconds up to several dozen seconds The stage 3 lasts about 20 sec After completing all tests calculated parameters are written to EEPROM memory of the frequency converter fig 5 16 Then STOP button should be pressed to restart the converter It is possible to interrupt procedure of testing in the same way at any time At the end the vector mode is set using parameter 1 20 Vector1 or Vector2 36 TWERD Power Electronics MFC710 User s Manual Fig 5 1 Process of parameters identification Note 1 During the reset of the system after pressing STOP occurs a loss of communication with the keyboard which results in displaying the message Fail Keyb RS Note 2 In case of interruption of identification process by a STOP button before its ending the new parameters of the drive will not be stored Note 3 In case of the third option No run parameter Lm is estimated on the basis of other nominal parameters of the motor Because of that par Lm can be erroneous Note 4 Parameter Rr is estimated on the basis of nominal parameters of the motor The rated speed of the motor par 1 2 has the greatest influence on parameter Rr In case of observing that speed of the motor increases reduces after its loading it is necessary to accordingly increase reduce par 1 2 it will cause similar reduction i
132. n Fig 4 6a corresponds to a situation when par 2 20 In C3 j and par 2 21 In C4 fd time Note Digital input DI3 is default Reduce 4 using as a source of external fail 1 par 3 10 In C3 so before using E DI3 please move a source of Increase and reduce of drive speed depends on external fail 1 to another digital input constanta of motor potentiometer par 2 23 DI or just turn it off Similar situation dynamic of electric drive par 1 30 1 36 occurs with digital input D14 Digital input DI4 is default using as a source Fig 4 6 Connection and illustration of a motopotentiometer device operation of external reset so before using D14 Information Ref mP on the display in CONTROL STATE please move a source of external mode confirms enabling of the motorpotentiometer s ref unit reset to another digital input DI or P just turn it off par 3 70 Increase 4 There are four available modes of motopotentiometer operation 0 1 2 and 3 Modes 0 1 and 2 should be used only TWERD Power Electronics 2f Section 4 Configuration of the frequency converter when current referencing unit par 2 2 par 2 3 is set on MotPot Mode 3 can be used regardless of setting of current referencing unit Stopping the converter In mode O will cause reset of motopotentiometer settings In mode 1 settings of motopotentiometer will be stored and there is no possibility of changing
133. nary parameter In case of defining sequencer as functional unit corresponding inputs A B and C aren t active To output of sequencer which is appropriate PCH of such unit number of sequence is passed Number of sequence can be also found in PCH 312 tobctngpar SEQUENCER CUIPOr p 543 TIME 1 MODE 1 FCH XM p 544 TIME 2 MODE 2 PCH 36 p 545 TIME 3 MODE 3 PCH 3K p 546 TIME 4 MODE 4 POH a p 547 TIME 5 MODE 5 FECH XE p 548 TIME 6 MODE FCH 3B p 549 TIME 7 MODE 7 FCH 310 p 5450 TIME 8 MODE amp FCH 311 p 542 LEN SEQ FCH 312 b TIME TIME2 4 TIMEI p 551 NEXT amp 9 TIME4 p 552 PREY PCH 2554x i p 553 CLR STATEI 1 i i 1nL l p 554 SET STATE2 i p 555 SETVAL STATE3 p 540 SW ON STATE4 NR SEQ Fig 12 2 PLC Sequencer NEXT _ CLR 22222222 fd Fig 11 3 Undisturbed without failures operation of a sequencer for LEN 4 a Example of input use NEXT and CLR b Input output Meaning names SW ON The pointer to PCH switching on the unit of a sequencer When SW ON 0 all outputs of the device are set on value 0 The sequencer is ready to the beginning of STATE 1 after unblocking this input LEN Quantity of sequences Range from 2 up to 8 allows to organize quantity of sequences After execution of last sequence first is automatically carried out looping TIME 1 Pointers for PCH which define duration of separate
134. ncrease of Rr Note 5 In case of full identification procedure three stages which is carried out when encoder is connected there is no necessity to carry out change in par 1 81 Enc Reverser because the direction of encoder pulses count is simultaneously identified and correction of par 1 81 is carried automatically out The error during parameter identification of the drive fig 5 2 can occur if e the motor is not connected to the frequency converter e the motor has damages e the current during identification has exceeded 170 96 of rated current of the drive e there is no possibility to define parameters for this drive Fig 5 2 Error during identification After setting up parameters of the motor and control the electric drive is ready to operate 5 2 Storing and reading of options for 4 different drives There is an possibility of storing in memory EEPROM four groups of the parameters connected with different motors It enables to use one frequency converter to operate with four motors Thus there is no necessity to change option of parameters manually The structure of parameters set consists of Rated motor power par 1 1 rated motor speed par 1 2 rated motor current par 1 3 rated motor voltage par 1 4 nominal motor frequency par 1 5 nominal motor cos n par 1 6 active resistance of stator par 1 11 the main inductance par 1 13 inductance of stator par 1 14 inductance of rotor
135. ng see section 3 3 4 12 L1 at RUN Value displayed in upper par 0 1 par 0 57 YES line when device is working see section 3 3 4 13 L2 at RUN Value displayed in lower par 0 1 par 0 57 YES line when device not working see section 3 3 4 14 Preview 1 Value SP1 section 3 3 par 0 1 par 0 57 YES 4 15 Preview 2 Value SP2 section 3 3 par 0 1 par 0 57 YES 4 16 Preview 3 Value SP3 section 3 3 par 0 1 par 0 57 YES 4 17 Preview 4 Value SP4 section 3 3 par 0 1 par 0 57 YES 4 18 Preview 5 Value SP5 section 3 3 par 0 1 par 0 57 YES 4 19 Preview 6 Value SP6 section 3 3 par 0 1 par 0 57 YES 4 20 Preview 7 Value SP7 section 3 3 par 0 1 par 0 57 YES 4 21 LCD contr Adjusting contrast of LCD 0 19 10 YES 4 22 RTC set HTC setting Option requires additional RTC module YES 1 year 2 month 3 day of month 4 day of week 5 hour 6 minute 78 TWERD Power Electronics MFC710 User s Manual Parameter Name_ Function Available options measurement unit Factory Change setting during operation 4 23 Language Language of the Control polski polski YES Panel english pycckun 4 25 nP Scale Scale of Multiplier of speed displayed as parameter 0 1 100 0 96 YES Precess N Process N 0 0 500 0 96 4 26 nP Unit Process N unit Uni
136. nput AlO 10 0 V OV OmA 100 0 10V 20mA 0 0 2 10 V 2V 4 mA 0 0 10V 20 mA 100 0 10 2 V 2V 4 mA 100 0 10 V 20 mA 0 0 Note switching between current voltage mode is done by a jumper see section 2 2 Example 0 10 on the display indicates that the analog output mode is 0 10V or 0 20mA depending on the jumper settings 2 42 Cfg In A2 Configuration of analog as above 0 10 V YES input Al1 2 43 In AO Scale Scale of analog 500 0 500 0 100 0 96 YES referencing unit RefAO 2 44 In A1 Scale Scale of analog 500 0 500 0 100 0 96 YES referencing unit RefA1 2 45 In A2 Scale Scale of analog 500 0 500 0 100 0 96 YES referencing unit RefA2 2 46 In AO Offs Offset of analog 500 0 500 0 96 0 0 96 YES referencing unit RefAO TWERD Power Electronics 73 Appendix C Table of MFC710 frequency converter s parameters Parameter Name Function Available options measurement unit Factory Change setting during operation 2 47 In A1 Offs Offset of analog 500 0 500 0 96 0 0 96 YES referencing unit RefA1 2 48 In A2 Offs Offset of analog 500 0 500 0 96 0 0 96 YES referencing unit RefA2 2 49 In AO Fitr Constant of time of 0 01 50 00 s 0 10s YES lowpass filter 2 50 In A1 Fitr Constant of time of 0 01 50 00 s 0 10s YES lowpass filter 2 51 In A2 Fitr Constant of time of 0 01 50 00 s 0 10s Y
137. ns which allows to control relay outputs using the built in control system PLC In Pumps control variant configuration of digital outputs are responsible for control of contactor group which enable separate pumps e Analog outputs Table 4 5 presents parameters which concern configuration of two analog outputs AO1 and AO2 in the control panel they are named Out A1 and Out A2 Both outputs can operate in a voltage mode 0 10V 2 10V or in a current mode 0 20mA 4 20mA The choice of an operating mode is carried out by switches J1 and J2 see fig 2 6 Analog outputs in voltage mode should be loaded by impedance in value not less then 10kOm Table 4 5 Parameters which define configuration of analog outputs Value of analog output 2 Parameter Function Description 2 80 Choice of signal for AO1 Details in Appendix C 2 81 Choice of signal for AO2 Details in Appendix C 0 10V 10 0V 2 10V 10 2V voltage mode 2 82 Configuration of range AO1 0 20mA 20 0mA 4 20mA 20 4mA current mode switch J2 0 10V 10 0V 2 10V 10 2V voltage mode 2 83 Configuration of range AO2 0 20mA 20 0mA 4 20mA 20 4mA current mode switch J1 A1 scale Out A1 Scal 0 500 0 96 Typically 100 0 96 Examples For a configuration 0 10V signal value 1000 at a scale established on 100 0 96 ind corresponds to voltage value 10V 3 For a scale established on 50 0 to receive 10V of output v
138. ntrol Pump 1 Pump 5 pump 1 5 is working 2 91 K1 funct 2 Function 2 of K1 relay as above K zero YES 2 92 K2 funct 1 Function 1 of K2 relay as above Run YES 2 93 K2 funct 2 Function 2 of K2 relay as above K zero YES 2 94 K3 funct 1 Function 1 of K3 relay as above Fail YES 2 95 K3 funct 2 Function 2 of K3 relay as above K zero YES 2 96 K4 funct 1 Function 1 of DO4 as above Warn YES open collector output 2 97 K4 funct 2 Function 2 of DO4 as above K zero YES open collector output 2 98 f thresh 1 Threshold frequency 1 0 0 550 0 Hz 25 0 Hz YES 2 99 f thresh 2 Threshold frequency 2 0 0 550 0 Hz 45 0 Hz YES 2 100 Thresh temp Threshold of the heatsink O 80 C 70 C YES overheat warning PCH 71 2 101 BrRel del Delay of releasing external 0 0 12 0s 0 0s YES brake 2 102 Br close n Speed above which brake 0 10000 rpm 100 rpm YES is being closed 2 103 Br close t Device operation time 0 0 12 0 S 0 0 s YES giving torque after which command to close the brake is send TWERD Power Electronics 19 Appendix C Table of MFC710 frequency converter s parameters Parameter Name Function Available options measurement unit Factory Change setting during operation 2 110 Op Perm External operation In C1 In C6 operation allowed when there is Sw On YES permission voltage supplied on digital
139. ntrol A parameter 2 5 START B source of signal START for control B e method of referencing frequency or rotation speed of the motor local from control panel remote from analog input through link RS motopotentiometer from PID controller or others parameter 2 2 START A source of referencing unit for control A parameter 2 3 START B source of referencing unit for control B 5 1 Vector control mode Identification run In order to operate electric drive in a mode of vector control except for switching on mode Vector1 with encoder or Vector 2 without the sensor of rotor position with help of parameter 1 20 it is necessary to enter parameters of an equivalent circuit of the drive see section 4 1 If these parameters are not known it is possible to use the built in procedure of parameters identification After its switching on the frequency converter will made 2 or 3 tests of the drive during which attempt of determination of equivalent circuit parameters will be carried out 5 1 1 Stages of identification run Identification of parameters is divided into three stages e Stage 1 DC probing The drive is stopped the device defines active resistance of stator Rs e Stage 2 AC probing The drive is stopped the device defines active resistance of rotor Rr inductance of stator Ls and rotor Lr e Stage 3 Experiment with rotation at 50 Hz or 25 Hz The drive rotates powered by voltage with frequency of 50 or 25 Hz the dev
140. oltage the signal value should be 2000 Similarly for a scale established on 200 0 to receive 10V of 1000 output voltage the signal value should be 500 o OutA Scale 100 Value of a signal corresponds to value of the selected size without a decimal Signal Mode 0 10V point e g 2 84 0 ov 12 5 125 2 43 A 243 375B 375 e g if signal value of current is 11 7 Ait corresponds to 117 number In 10V this case voltage scale signal 1000 i voltage 100 0 117 1000 11 7 0 10V 1 17 V 500 Scale 200 QuiA Signal Mode 2 10V 0 2V 2 85 AO2 scale Out A2 Scal 0 500 0 96 Typically 100 0 96 see above Constant of time for the lowpass Filter of analog output AO1 see Appendix C A V eG filter of AO1 for more details filtered value 100 oaa 2 86 63 l i input d time s time constant Constant of time for the lowpass Filter of analog output AO2 see Appendix C for more details 2 87 filter of AO2 Out A1 0 100 0 READ ONLY 0 43 Value of analog output 1 Out A1 Absolute value signal AO1 scale 1000 Out A2 0 100 0 READ ONLY 0 44 Out A2 Absolute value signal AO2 scale 1000 30 TWERD Power Electronics MFC710 User s Manual 4 3 Configuration of the electric drive 4 3 1 Establishing dynamic characteristics and ways of halting the electric drive Dynamics decides about changing rate of the drive rotation speed start and halting reve
141. operating Time s ig 10 5 Switching on off of the additional pump The additional pump will be switched off under conditions e the PID controller output has reduced up to 0 e the level of pressure signal is higher than referenced pressure by value of parameter 5 26 or more two previous conditions are carried out through a time determined by value of parameter 5 23 After fulfilling the conditions mentioned above the last additional pump is immediately shut down 10 6 1 Priority of switching on off additional pumps First additional pump that will be switched on is the pump with number next to the number of the leading pump according to a sequence shown in fig 10 6 When the control system makes a decision to switch on the additional pump the first pump of sequence which isn t blocked and is not running is switched on see fig 10 6a The first checked pump is the following pump from sequence after the main pump e g when the main pump is P2 the first according to sequence is P3 When the control system makes a decision to switch off the additional pump the first pump of sequence see fig 10 6b which is currently working is switched off The EB 10 Bo Seauence of EWICHING OR al and switehind OF TB of first checked pump is the pump which is located in ad i the oU MRAR E sequence on the previous position to the main pump e g when the main pump is P2 the first in sequence is P1 Example 1 If the main pum
142. orm of the electric drive characteristic is par 1 20 Operating mode e Mode U linear It is used if there exists a constant torque of loading which does not depend on speed see fig 4 11 e Mode U f exponential It is used if the torque of loading grows under the exponential from speed e g the electric drive of the fan Use of exponential characteristic U f cause reduction of noise and decrease of losses in the motor see fig 4 11 Liflinear LUT square law i Par 1 51 zi i Par 1 59 Fig 4 11 Linear and exponential characteristic a formation of U f characteristic b Compensation of voltage reduce i from autput current Par 1 53 TWERD Power Electronics 31 Section 4 Configuration of the frequency converter 4 3 3 Elimination of frequencies With purpose of elimination of undesirable output frequencies which can result in the resonant phenomena of the drive it is possible to determine 3 ranges called ranges of elimination Their options can be set up by parameters F selected e Par 1 90 bottom frequency of elimination range 1 Hz e Par 1 91 top frequency of elimination range 1 Hz e Par 1 92 bottom frequency of elimination range 2 Hz e Par 1 93 top frequency of elimination range 2 Hz e Par 1 94 bottom frequency of elimination range 3 Hz e Par 1 95 top frequency of elimination range 3 Hz Referencing unit of the electric drive will bypass freq
143. otection values are listed in table 0 2 and recommended values of wires cross section are listed in table 2 1 The frequency converter is supplied with appropriate resources protected from corrosion dedicated to make appropriate connections Additional information about external connections can be found in section 2 1 1 under the Equipotential connections and in section 2 1 2 In order to comply with EU directives of electromagnetic compatibility EMC application of a four wire shielded cable three phases earth wire is recommended to fed the motor Type of mains choke and protections is available at producer s representative It is strongly recommended not to use any switches or contactors at the converter output that could disconnect system during the run i d ATTENTION Shown circuit has terminals for aiiud E illustration only and does not show their actually open position on the drive HBR BR Power switch Overcurrent 3 DC BR protection d ce ro z 4r 1 U Q a o L2 zw Tl 129 VE S MFC710 c QUIS A Tg Wi c Mw i S oft PE PEL 4M Do not use any contactors between P 3 7 converter output and motor t gt DL N D Output voltage can be measured eg correctly only with an electromagnet
144. ound in the description of the register 2000 Section 13 Red Led is lighting 6 2 4 Readiness to restart if the reason of failure has not M P disappeared 0 e0 ZN ZIN If one of the methods mentioned in sections 6 2 1 6 2 3 deleted P d BLINKING yellow LED the message of failure and the failure reason has not disappeared the electric drive will be stopped in ready to restart state fig 6 3 Fig 6 3 Ready to restart When the reason of failure will disappear automatic restart of the electric drive will begin 38 TWERD Power Electronics MFC710 User s Manual 6 2 5 Automatic restarts If the electric drive stops after failure there is a possibility of automatic operation restart after reason of system failure disappears The parameter 3 71 amount of automatic restarts restricts allowable quantity of automatic restarts in a time period defined by parameter 3 72 Restart delay from the time of failure reason disappearance is defined by parameter 3 73 fig 6 4 Counter of failure Par 3 72 Par 3 72 Par 3 72 41 3 DI time Par 3 73 Delay of automatic restart Automatic restart Fig 6 4 Automatic restarts The electric drive will not restart operation automatically if the internal counter of failure will achieve the value limited by parameter 3 71 in time period determined by parameter 3 72 In this case operation restart will be possible onl
145. oup 0 0 1 Process n Speed of process It depends on current rotation speed of the drive It is possible to set up scale measurement unit and number of decimal places for this parameter using parameters 4 25 4 26 and 4 27 0 2 Motor n Current rotation speed of the drive in rotations per one minute rpm 0 3 Ref n Value of the referenced rotation speed rpm 0 4 f out Current output frequency of the converter Hz 0 5 f Ref Referenced frequency Hz 0 6 Mot torque The torque of the drive compared to the nominal torque 96 0 7 Mot cur Average value of current in windings of the motor A 0 8 Mot volt An output voltage AC of the converter V voltage of the motor interfacial voltage 0 9 Mot temp Calculated relative temperature of the motor 95 0 10 DC volt Voltage of the DC intermediaries circuit of the converter V 0 11 Mains volt Interfacial AC voltage the supply grid powering the converter V calculated from Udc 0 12 Out pow Current output power of the converter at kW 0 13 Energy Value of energy which has been transferred to the motor from the time of switching on the converter or from the time of a cancellation of parameter 3 6 KWh 0 14 la cur RMS current of a phase A of the motor A 0 15 Ib cur RMS current of a phase B of the motor A 0 16 Ic cur RMS current of a phase C of the motor A 0 17 Pow fact Output power factor 0 18 Psi st Stator stream Wb 0 19 Encoder n Encoder speed rpm 0 20 Ht
146. out a sign always positive 200 205 Reserve Value always 0 206 f code Value corresponds to the failure code 207 w code Value corresponds to the warning code 208 217 Reserve Value always 0 218 d wind Value corresponds to the current reeling diameter 219 221 Reserve Value always 0 222 f InC3 Value corresponds to the frequency on the Digital Input DI3 223 f InC4 Value corresponds to the frequency on the Digital Input DI4 224 f InC5 Value corresponds to the frequency on the Digital Input DI5 225 f InC6 Value corresponds to the frequency on the Digital Input DI6 226 227 Reserve Value always 0 228 outPIn Output value of speed regulator 229 T ref Input value of torque regulator 230 237 Reserve Value always 0 238 ENCpos Value corresponds to the current encoder position 239 ENCref Value corresponds to the reference encoder position 240 ENCdif Value corresponds to the difference between current and reference encoder position 241 255 Reserve Value always 0 PCH of built in PLC controller PLC controller Output of the universal unit number 1 Depends on unit function Value can be M eniel set from 0 to 65535 PLC controller Output of the universal unit number 2 Depends on unit function Value can be Aur Pen nee set from 0 to 65535 PLC controller Output of the universal unit number 3 48 Depends on unit function Value can 258 303 UNIT number 3 48 be set from 0 to 65535 304 SEQUENSER PLC contro
147. p is 2 switching on sequence of additional pumps is following P3 P4 P5 P1 switching off sequence P1 P5 gt P4 P3 Condition the maximum quantity of pumps is set up on 5 all pumps are not blocked Example 2 If pumps P2 P4 are blocked and the main pump is P1 in this case switching on sequence is following P3 P5 switching off sequence P5 P3 48 TWERD Power Electronics MFC710 User s Manual If working pump will be blocked it will be immediately switched off Thus when after certain time if conditions of the switching on the additional pump are satisfied first ready to operate pump from sequence see fig 10 6a will be Switched on If during operating time the main pump is blocked all pumps main and additional are immediately switched off When the quantity of operating pumps including main is equal to value of parameter P limit 5 28 even if conditions of switching on are fulfilled and there is not blocked pump ready to run not any more pump will be switched on 10 7 Automatic replacement of pumps After time of leading pump operation determined in hours by parameter 5 2 expires Pump Control switches off the leading pump and replaces it by other accessible pump and starts counting operation time of new leading pump Replacement of the leading pump allows to distribute an operating time of each pump in system For automatic pump replacement the following conditions must be satisfied e t
148. par 1 15 speed regulator amplification par 1 70 constant of integration of speed regulator par 1 71 torque regulator amplification par 1 72 constant of integration of torque regulator 1 73 stream regulator torque par 1 74 constant of integration of steam regulator par 1 75 quantity of encoder s pulses par 1 80 counter of encoder s pulses reverser par 1 81 current setting of the motor thermal protection par 3 3 thermorelay s setting for stopped motor par 3 4 constant of time of motor heating par 3 5 STORING To store the parameters mentioned above it is necessary to choose number of the memory buffer in par 1 18 from 1 up to 4 which will store parameters and to confirm record The choice of buffer 0 will result in records deleting RESTORING To restore the parameters which have been recorded earlier it is necessary to choose the memory buffer in par 1 19 from 1 up to 4 in which parameters have been stored and to confirm reading Reading empty buffer or buffer O will not result in changing current parameters ATTENTION Procedure of record reading can be made only when the drive is stopped TWERD Power Electronics 3 Section 6 Failures and warnings 6 Failures and warnings 6 1 Messages on failures and warnings on the control panel The luminescence of a red light emitting diode LED and messages fig 6 1 signals about failure state Counter of failure which happened in t
149. procedures of acceleration braking ramp Interval is 0 1 9e For operating mode U f value of this 126 f Ramp ABS percent PCH corresponds to current output frequency of the converter Value without sign doesn t depend on direction of rotation 177 Lrot Value of rotation counter 178 UR1 Value of the user referencing unit number 1 179 UR2 Value of the user referencing unit number 2 180 UR3 Value of the user referencing unit number 3 TWERD Power Electronics 61 Appendix A Table of Characteristic Points PCH PCH name Function value note 181 UR4 Value of the user referencing unit number 4 182 DA peren Value corresponds to PCH 164 referencing unit A converted to relative value compared to P rated drive frequency Value without a sign resolution 0 1 183 PB percei Value corresponds to PCH 165 referencing unit A converted to relative value compared to P rated drive frequency Value without a sign resolution 0 1 184 Papere Value corresponds to PCH 166 referencing unit converted to relative value compared to rated P drive frequency Value without a sign resolution 0 1 185 f Ramp The same as PCH 176 but presented in Hz and with sign depending on direction of rotation 186 12 1 Value corresponds to PCH 166 referencing unit converted considering Fmin and Fmax Value j with a sign resolut
150. put value a will be transformed from a range 0 1000 0 0 100 0 to a range determined by parameters B and C 1000 a gt gt PCH 0 B a B 1000 C B Graduation The input value a will be transformed from a range determined by parameters B and C to a range O 1000 0 0 100 0 96 1000 16 p d C a gt PCH B 0 If a 2 H OUT b Value OUT of the unit changes only if there is value H on an a input 17 If a L OUT remains without changes aORbORc OUT of the unit is logical sum of values of input a b and c CAUTION it is not an operation on bits 0 means an input 0 1 means an input 0 a b C OUT 0 0 0 0 0 0 1 1 18 0 1 0 1 0 1 1 1 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1 1 a AND b ANDc OUT of the unit is logic product of values of inputs a b and c a b C OUT 0 0 0 0 0 0 1 0 19 0 1 0 0 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1 1 a XOR b OUT of the unit is a result of operation XOR exclusive OR on inputs a and b a b OUT 20 0 0 0 0 1 1 1 0 1 1 1 0 21 NOT a OR b OR c OUT of the unit is inversion of logical sum of values a b and c NOR 22 NOT a AND b AND c OUT of the unit is inversion of logical product of values a b and c NAND 23 NOT a Logic inversion of an input value a 64 TWERD Power Electronics MFC710 User s Manual
151. r units of smaller power ratings 75 kW casings are chosen according to the individual requirements Bottom mounting hole spacing 1 2 3 Height of the frequency converter increased due to the power terminals blocks 4 5 Version launched in 2013 in brackets are the previous dimensions We also offer a frequency converters built in electric cabinets at different IP protection levels TWERD Power Electronics 17 Section 3 Control panel 3 Control panel Control panel serves for constant review of the process parameters rotational speed current the operating mode control START STOP change of the referencing unit cancelling fault message and also for viewing and changing of converter s parameters In the panel LCD display 2x16 symbols is used It has function of contrast regulation On a client s wish instead of LCD display 6 digit LED display can be installed which has advantage in case of necessity of good visibility at a great distance After switching on the converter to mains the control panel is switched on in the Basic Mode in which both lines of the display are occupied with parameters as it is shown in fig 3 2 There is a possibility of programming values presented on the display see section 3 3 In fig 3 3 the main sequence of control panel service is presented Viewing and option of parameters in groups 0 6 are shown in fig 3 7 section 3 1 CHANGING REFERENCING UNIT usin
152. re provided appropriate terminals properly marked protected from corrosion to make equipotential connections Protection The minimum values of input wire short circuit protection are presented in the table 0 2 Usage of gG or aM fuses is allowed in the circuits however taking into account necessity of protection of the rectifier bridge of the frequency converter the best solution is gR or aR fuses You can use overcurrent protection but the response time of such devices is longer than properly chosen fuse Frequency converter is protected from drive overloading motor overheating under and overvoltage in an DC link circuit of the converter a short circuit at the converter output it protects converter only Usage of differential current protection due to electrical shock prevention can appear unfavorable since it can trigger due to temporary or constant leakage current of the power drive system working in normal conditions In case of usage of the differential current protection devices you may use only circuit breakers of a B type due to different nature of a differential current Disconnecting device In order to comply with EU directives according to IEC EN 60204 1 2001 power drive which consists of a frequency converter and electrical machine should be supplied with a device for disconnecting power supply This device should be one of listed below separator with or without fuses category of usage AC 23B fulfilling the requ
153. resolution 0 1 Hz e g 500 50 0 Hz range is 134 Input AO Value corresponding to voltage current of analog input 0 resolution 0 1 Hz range 0 1000 0 0 100 0 It depends on parameter 2 40 135 Value corresponding to voltage current of analog input 0 resolution 0 1 Hz range 0 1000 Input A1 0 0 100 0 It depends on parameter 2 41 136 Input A2 Value corresponding to voltage current of analog input 0 resolution 0 1 Hz range 0 1000 0 0 100 0 96 It depends on parameter 2 42 137 PID Output Output of PID controller resolution 0 1 96 range is determined by parameters 2 76 and 2 77 138 Motopotentiometer Ref unit of the motopotentiometer resolution 0 1 96 range 0 1000 0 0 100 0 96 139 RS ref unit Value of the frequency ref unit which is transmitted through RS connection resolution 0 1 Hz Sign determines direction of the electric drive rotation 140 Additional motopot Additional motopotentiometer Resolution 0 1 range 0 1000 0 0 100 0 141 PID motopot Referencing unit of motopotentiometer for PID controller 142 RS PID ref unit Value of PID controller ref unit which is transmitted through RS connection resolution 0 1 143 PID keyboard Value of PID controller referencing unit from control panel Interval is 0 1 144 Value AO Value of analog input O multiplied by parameter of scale 2 43 and added offset parameter 2 46 60 TWERD Power Electronics MFC710 User s Manual
154. rol possibilities of the converter arise from the analysis of a structure of the control system fig 4 2b 4 2c 4 2 1 Structure of control In control system of the converter MFC710 there is a philosophy of 2 independent control places A and B that allows to change whole structure of the converter control sources of START and STOP signals and sources of frequency for electric drive operation by changing only one parameter 2 1 In fig 4 2a there is simple diagram and in fig 4 2b and 4 2c there are developed diagrams of the converter control Control place A Choice of the Choice of a control Control place Sources of control source signals Par 2 2 Ref unit Par 2 4 START Blocking Constant frequencies Speed Strips of a frequencies cutting Constraint of control START with RS STOP The control panel Analogue inputs Digital inputs RS PID regulator Another sources Control place B Choice of a control source Par 2 3 Ref unit Par 2 5 START Par 2 1 Fig 4 2a Simple diagram of control TWERD Power Electronics 23
155. roup by means of par 0 34 The information about state of the Control system of pumps group can be highlighted on the main display of the panel fig 10 4 during drive operation Fig 10 4 Information about pumps state TWERD Power Electronics 47 Section 10 Pump Group Controller 10 6 Conditions of switching on off additional pump The additional pump is switched on under conditions output signal of the PID controller attains value of 100 e the level of pressure signal is less than referenced pressure by value of parameter 5 26 or more two previous conditions are carried out through a time which is set up by parameter 5 22 After fulfilling the conditions mentioned above the leading pump reduces a rotational speed up to value determined by parameter 5 25 When the pump achieves this rotational speed additional pump is switched on As a result of switching the pressure in system increases If pressure will stay in range Selected Pressure par 5 26 the control system will continue operation without changes If pressure again reduce the next additional pump if it is active ready to switching on will be switched on Otherwise when pressure will still increase the last additional pump will be switched off Pressure Output PID Pressure selecting ow Par 526 Output PID 96 Ej b EI eee M 2 Switching on Switching off additional additional pump pump Additional pump is
156. rs change parameter 4 1 the register 44001 or entering of the corresponding code of access parameter 4 2 the register 44002 Some parameters of the device can be changed only in a case when it does not operate Details section 3 2 and following Parameters from group 2 They are similar with parameters on the control panel e g the register 42xxx 42001 corresponds to parameter 2 1 Read write CAUTION the same as item 41xxx 43Xxx Parameters from group 3 CAUTION the same as item 41xxx Read write 44XXX Parameters from group 4 CAUTION the same as item 41xxx Read write 45xxx Parameters from group 5 CAUTION the same as item 41xxx Read write 46xxx Parameters from group 6 CAUTION the same as item 41xxx Read write 13 3 Handling of connection errors If connection errors appear or if the command with Improper parameter is sent response of the device is described by MODBUS standard Possible return error codes are 1 unknown command when the command other than 3 or 6 is sent 2 wrong address the address of the register is not supported by the electric drive there is no such register 3 wrong value command 6 tried to send value which is out of range of specified register In case of wrong transfer e g CRC error device does not send answers to commands 14 Information from the manufacturer Help from TWERD Power Electronics The Manufacturer provides the full help during
157. rse speed In MFC710 converter you can choose dynamics from two accessible variants which are named DYNAMICS1 and DYNAMICS2 The times in parameters 1 30 1 33 relate to the acceleration after the START command and reverse deceleration acceleration after the REVERSE command Time in parameter 1 34 refers to the deceleration time after the STOP command When parameter 1 34 is set to 0 0 then the deceleration time set in parameters 1 31 1 33 is also a deceleration time after the STOP command e Parameter 1 30 Acceleration 1 time of acceleration from OHz to 50Hz Dynamics 1 e Parameter 1 31 Deceleration 1 time of deceleration from 50Hz to OHz Dynamics 1 e Parameter 1 32 Acceleration 2 time of acceleration from OHz to 50Hz Dynamics 2 e Parameter 1 33 Deceleration 2 time of deceleration from 50Hz to 0 Hz Dynamics 2 e Parameter 1 34 Stopping time when a value of parameter is gt 0 then this value means time of deceleration from 50Hz to OHz after sending a STOP signal from control panel digital inputs internal PLC RS communication etc when a value of parameter is 0 0 then this parameter is inactive time of deceleration depends of time set in active dynamics par 1 31 or par 1 33 a t F Hz Acceleration par 1 30 or 1 32 Fselt1 Jl i HR Sa E A a GTR a ea IN Curve S N N N STOP signall par 1 35 i x M Haltin
158. s measurement unit Factory Change setting during operation 1 86 t flying Dynamic of Flying Start 1 0 50 0s depends on YES service parameter available from software version the nominal 12v15 unavailable from Control Panel power of the converter 1 90 f elim1 min Minimum frequency of 0 0 Hz YES frequency elimination range number 1 1 91 f elim1 max Maximum frequency of 0 0 550 0 Hz 0 0 Hz YES frequency elimination range number 1 1 92 f elim2 min Minimum frequency of 0 0 Hz YES frequency elimination range number 2 0 0 550 0 Hz 1 93 f elim2 max Maximum frequency of 0 0 550 0 Hz 0 0 Hz YES frequency elimination range number 2 1 94 f elim3 min Minimum frequency of 0 0 Hz YES frequency elimination range number 3 0 0 550 0 Hz ref 1 95 f elim3 max Maximum frequency of 0 0 550 0 Hz 0 0 Hz YES frequency elimination range number 3 Parameters 1 100 1 113 are active only in a regenerative frequency inverter MFC710AcCR 1 100 AcR mode Active Rectifier mode 0 AcR off 3 1 ACR on when ready mode 2 ACR on when run mode 3 ACR on when run mode motor starts after the AcR started l Power suppl E PP i Ready Par 1 100 1 Par 1 100 253 1 101 Udc ref 500 744 V 620 V 1 102 lq ref 30 0 30 0 96 100 096 n 0 0 96 1 103 ACH limit 0 1 150 0 100 096 1n 150 0 96 1 104 L mains 0 000 32 767 mH 1 200 mH 1 105 kp Udc 0 32767 1650 1 106 ki Udc 0 32767 85 1 107 kp Id 0 32767 850 1 108 ki Id
159. s 1 temp 0 21 Hts 2 temp Temperature of separate parts of the converter s heatsink if it is divided C 0 22 Hts 3 temp 0 23 Hts temp Maximum of parameters 0 20 0 21 0 22 C 0 30 PID Ref Value of current referencing unit of the PID controller 96 0 31 PID In Current input value of the PID controller 0 32 PID error Error of the PID controller 0 33 PID Out Current output value of the PID controller 0 34 Pumps State State of operation the Control unit of Pumps Group 0 35 ON time Quantity of hours of converter s operation h 0 36 Y M D date Current date 0 37 h m time Current time 0 40 In AO Value of an analog input O 95 0 41 In A1 Value of an analog input 1 96 0 42 In A2 Value of an analog input 2 95 0 43 Out A1 Value of an analog output 1 96 0 44 Out A2 Value of an analog output 2 96 0 45 Ref AO Value of the analog referencing unit O 0 46 Ref A1 Value of the analog referencing unit 1 0 47 Ref A2 Value of the analog referencing unit 2 0 48 DI state State of all six digital inputs for RS six youngest bits of the register 0 49 DO state State of all four digital output for RS four youngest bits of the register 0 50 RS1 state Corresponds to the value written into the register 2000 through RS connection TWERD Power Electronics 67 Appendix C Table of MFC710 frequency converter s parameters Parameters Name Description in gro
160. se of the PID controller via par 2 2 Ref unit A or par 2 3 Ref unit B Note When the PID controller is used via PLC function blocks this parameter should be set to 0 or 1 2 69 PID type PID algorithm Service parameter 0 2 70 SLEEP time Time before activating 0s SLEEP function disabled 0s YES Sleep function when the 0 32000 s output remains on a minimum par 2 67 2 71 SLEEP thr A threshold of wakening 0 0 100 0 5 0 96 YES from SLEEP state Waking when Error par 2 71 or PID output par 2 71 2 80 Out A1 Src Choice of signal for analog Keyb P Ref RC according to PCH 133 148 f Out YES output AO1 Appendix A rpm speed without a sign 0 96 2 0 100 Nn rpm speed with a sign 0 0 96 Nn 50 0 2 0 100 0 96 Nn f Out output frequency 100 0 96 Fn Curr output current 100 0 96 In Trq load without a sign 100 0 2Mn Trq load with a sign 100 2Mn 50 2 0 0 2Mn U Mot output voltage 100 0 Un 74 TWERD Power Electronics MFC710 User s Manual Parameter Name_ Function Available options measurement unit Factory Change setting during operation 2 81 Out A2 Src Choice of signal for analog as above Curr YES output AO2 2 82 Out A1 Cfg Configuration of analog 0 10 V OV 0mA 0 0 10V 20mA 100 0 0 10 V YES outp
161. set frequency device Fail device will stop and message will be displayed type of failure is stored in par 0 78 3 60 Re RS lack Response to lack of No no response No YES communication through RS Warn a warning will be displayed device will keep link working with referenced frequency Fail the electric drive will stop and the message will be displayed f_last a warning will be displayed frequency will stay on an average level from last 10s Fconst7 device keeps working with frequency f const 7 3 61 RSlack time Acceptable time of lack of 0 600s 30s YES communication through RS link 3 65 Re key lack Response to lack of No no response Fail YES keyboard only for Warn a warning will be displayed device will keep referencing from keyboard working with referenced frequency Fail the electric drive will stop and the message will be displayed f_last a warning will be displayed frequency will stay on an average level from last 10s Fconst7 device keeps working with frequency f const 7 3 66 k lack time Acceptable time of lack of 0 300s 30s YES keyboard 3 70 Ext reset Source of external reset Sw Off no possibility of external erasing a failure In C4 YES message In C1 In C6 erasing a failure by digital input DI1 DI6 3 71 AR number Max number of automatic 0 no restarts 0 YES restarts 1 6 number of restarts in time determined by par 3 72 3 72 AR time Time of restarts 0 1200 0 s
162. t of measurement displayed for par 0 1 See table YES 11 3 4 27 nP dec p Number of decimal places Number of decimal places for par 0 1 0 3 1 YES of Process N 4 28 n rot Scale Scale of rotation counter Amount of units that correspond to one encoder 1 YES rotation 4 29 n rot reset Resetting rotation counter PCH O 511 Source of signal resetting the rotation YES counter 4 30 UR choice Choice of User 0 user referencing unit not active 0 YES Referencing unit UR 1 4 ZU1 ZU4 4 31 nu Numbers of active user 0 4 1 YES Ref units 4 32 Ref UR1 Ref unit Value 32000 32000 0 YES 4 33 Ref UR2 Ref unit Value 32000 32000 0 YES 4 34 Ref UR3 Ref unit Value 32000 32000 0 YES 4 35 Ref UR4 Ref unit Value 32000 32000 0 YES 4 36 min UR1 Minimum 5000 5000 0 YES 4 37 max UR1 Maximum 5000 5000 1000 YES 4 38 UR1 Unit Unit of ref unit US1 Displayed unit See table 11 3 T YES 4 39 UR1 dec p Number of decimal places Number of decimal places for US1 ref unit O 3 1 YES 4 40 min UR2 Minimum 5000 5000 0 YES 4 41 max UR2 Maximum 5000 5000 1000 YES 4 42 UR2 Unit Unit of ref unit US2 Displayed unit See table 11 3 9e YES 4 43 UR2 dec p Number of decimal places Number of decimal places for US2 ref unit O 3 1 YES 4 44 min UR3 Minimum 5000 5000 0 YES 4 45 max UR3 Maximum 5000 5000 1000 YES 4 46 URS Unit Unit of ref unit US3 Displayed unit See table 11 3 9e YES 4 47 UR3 de
163. tPID Current value of PID controller output READ ONLY TWERD Power Electronics 43 Section 8 PID controller 8 2 Limitation of saturation and SLEEP function E When the positive or negative error of regulating is kept some time it can result in saturation of the PID controller To prevent this rxcusrts phenomenon it is necessary to limit output value of the controller e the lowest output value par 2 67 by default 0 0 96 e the highest output value par 2 66 by default 100 0 95 kpe Function SLEEP of the PID controller enables to shut down automatically the drive when output value of the PID controller which is simultaneously the reference of frequency is kept on minimum determined by par 2 67 during a time determined by par 2 70 The electric drive will be blocked in this case Unblocking will occur automatically when one from below conditions will be fulfilled 2 Fig 8 3 Reaction of a controller to error jump at the input of the PID controller at the broken off back coupling on speed the output of a controller will achieve value higher than value par 2 67 par 2 71 the error will be higher than par 2 71 Functioning of limitation and SLEEP blocking is shown in fig 8 4 A Output of PID regulator Value of OutPID can be read from par 0 33 Par 2 66 BLOCK STOP Par 2 70 time Ld Par 2 67 A Par 2 71 Fig 8 4 Illustration of limi
164. tains value displayed as par 0 56 0 56 Usr3 Par 4 67 The displayed unit of measurement of par 0 56 see table 10 3 Par 4 68 Number of decimal places 0 56 0 3 Par 4 69 The pointer to PCH which contains value displayed as par 0 57 0 57 Usr4 Par 4 70 The displayed unit of measurement of par 0 57 see table 10 3 Par 4 71 Number of decimal places 0 57 0 3 Because parameters 0 54 0 55 0 56 and 0 57 belong to group O0 of parameters they can be presented on the display of the control panel in a basic mode or in mode of fast review see section 3 3 and due to this to receive effect as it is shown in fig 11 4b Table 11 3 predefined measurement units No Unit No Unit No Unit No Unit No Unit No Unit 0 4 rpm 8 C 12 mH 16 mOhm 20 hPa 1 V 5 9 kW 13 S 17 m s 21 Bar 2 A 6 Ohm 10 Nm 14 h 18 pcs 22 m 3 Hz 7 kHz 11 kWh 15 ms 19 imp 11 5 The control panel definition of user referencing units Fig 11 4 parameter 0 54 Usr1 in group 0 a in the Basic mode due to set up of parameter 4 10 on value par 0 54 b Directly through Control panel with keys itis possible to change value of referencing units of frequency rotation speeds of the PID controller and also of one of four User Referencing units UR1 UR2 URS or UR4 The User Referencing unit can be used for example for quick control of process in connection with built in control system P
165. ter 2 41 4 PCH 135 i A 94 PO M fihi m referencing 0 10V 2 10V PCH 136 i i i i Enable RS PCH 40 1 Change of ref unit sign alue of this one signal eo 0 20mA 4 20mA e 0 0 about value PCH 40 determine direction of makes changes in ref unit eae a9 i PCH 137 i f min determine par 4 7 rotation May block sign and direction of rotation Switch of mode choice on e obra e Par 2 11 2 12 BITS of register 2000 direction of rotation x Edo oe l voltage on current e PCH 139 MODBUS 1 par 1 65 irection from control pane POS Ltt cae Switch on f const Configuration AI2 PCH x CAES Fena AD Parameter 2 42 EXP referencing 0 10V 2 10V j Le se do ooo Losssssss2 sod l Q 0 20mA 4 20mA L PCH x A2 Par 2 31 Switch of mode choice on PCH 40 PCH x A3 Par 2 32 voltage on current par 4 7 j EO E E i Choice of f const PID r egulator 0 Al A2 A3 Output gt Ref unit PCH 166 Parameters 2 70 2 71 2 72 2 73 0 0 O No fconst Referencing of operation 2 74 2 75 1 0 0 fconst 1 par 2 33 frequency and direction of O 1 0O fconst 2 par 2 34 Guess P rotation active at this 1 1 0O fconst 3 par 2 35 MRE See moment MoroporenTIOMETER a ig 7 3 frequency par 1 90 i b 1 91 1 92 1 93 1 94 e Parameters 2 20 2 21 2 22 2 23 i s dn a 195 Hz U f or sec 1 1 1 fconst 7 par 2 39 RSreferening Hz vector Reg
166. the access to parameters is unblocked access level 1 Entering appropriate access code CODE1 or CODE2 results in automatic change of parameter 4 1 Parameters blocking to NO 20 TWERD Power Electronics MFC710 User s Manual 3 2 4 Activating protection by access code Blocking with access code is turned on when the value of CODE1 differs from 0 The procedure of setting new CODE1 is shown in a fig 3 11 with the reservation that CODE1 value must be different from 0 From this time on the parameters of the system of the electric drive will be protected from changes by persons that do not know the access code 3 2 5 Deactivating protection by access code It is necessary to enter current CODE1 as shown in fig 3 10 Then set CODE1 to 0 fig 3 11 Fig 3 11 Change of value CODE7 to 0 a current level of access 1 b par 4 3 gives an opportunity of code change c entering of new CODE 1 d it is necessary to repeat value of new CODE 1 e repetition of CODE1 f new CODE1 is written 3 2 6 Change of access codes The change of the access codes to level 1 CODE 1 and level 2 CODE2 takes place as it is shown in a fig 3 11 To change CODE1 the converter should operate at Level 1 and to change CODE 2 the converter should operate at Level 2 At Level 0 access codes are absent 3 2 7 Loading of factory options of the converter To load factory parameters it is necessary to enter CODE2 fig 3 12a The elec
167. the fundamental requirements of following instructions of the new approach e the Instruction low voltage LVD 2006 95 WE e the Instruction EMC 2004 108 WE Mentioned above instructions are fulfilled only after installation of the frequency converter and configuration of the electric drive according to instructions of installation principles and the principles of safety resulted below User is obliged to fulfill this requirements The declaration of conformity is in the end of the instruction Safety IEC EN 50178 2003 Electronic products which are used in installations of the high power IEC EN 60204 1 2001 Safety of machines The electric equipment of machines Part 1 General requirements Electromagnetic compatibility Electric power drives with regulated speed Electromagnetic compatibility EMC in IEC EN 61800 3 1999 A11 2002 consideration of special methods of research IEC EN 61800 3 A11 first environment IEC EN 61800 3 A11 second environment Distribution is Distribution is limited Distribution is unlimited with use of installation unlimited with use of with use of installation principles section 2 1 2 and the equipment Conducted emission installation principles principles section section 2 1 2 without item d e section 2 1 2 and the 2 1 2 and the equipment section equipment section 2 1 2 without item e 2 1 2 without item d and e IEC EN 61800 3 A11
168. tilation of the drive is used value of par 3 4 can be set up to 75 If the motor current is outside of defined area of long term operation the calculated temperature will increase above 100 When the calculated temperature achieves value of 105 electric drive will stop the message of failure will appear fig 4 18 Such situation is represented in fig 4 17c for a increase in temperature marked by a dotted line Speed of increase in calculated temperature is determined by parameter 3 5 a constant of time of motor heating It equals time after which the temperature of the drive will achieve 63 from value of a final gain In practice it is possible to accept option Par 3 5 120 ts min where ts s is provided by motor manufacturer Demonstration values of constants of time are resulted in table 4 7 Table 4 7 Constants of time of heating Nominal power of the Quantity of poles motor Pn kW 2 4 6 Constant of time of motor heating min par 3 5 2 2 11 17 24 3 0 12 18 26 4 0 13 19 29 5 5 15 21 29 7 5 16 23 31 11 19 26 34 15 20 29 39 4 4 4 2 Protection using thermorelay fuse or thermistor built in the drive With purpose of protection from overheating it is possible to use PTC thermistor or thermorelay built in the electric motor The digital input 6 We C6 DI6 is used for connecting signal to the converter Protecting function is activated by the par 3 1 It is nec
169. ting of the PID controller and SLEEP blocking 9 Reeler calculator MFC710 has built in application of reeler calculator RC see fig 9 1 E const V dmax Peni M Force tasking Linear Control e MFC710 3 Fig 9 1 Functioning of reeler calculator Application adapts motor s torque to current roller diameter so that rolling up could be performed with constant force For determining current diameter of a roller there is necessary an information about linear speed of rolled medium In presented example linear speed signal is obtained from frequency converter which cooperates simultaneously in production line 44 TWERD Power Electronics MFC710 User s Manual 9 1 Turning on and configuration of RC To activate RC you should set par 2 9 for A control or par 2 10 for B control on Ref RC fig 9 2 CAUTION RC application works only with vector control par 1 20 Vector 1 or Vector 2 CAUTION Instead of configuring all parameters of Application separately R i 9 2 Activating RC for A trol it is better idea to load factory settings number 9 and then modify only i diio uibs some parameters This set is especially intended for Reeler Calculator Application Description of loading factory settings can be found in section 3 2 7 Table 9 1 Parameters of reeler calculator Parameter Name Description Source of linear speed signal of rolled medium Possible values
170. tion section 11 2 As in sequencer most parameters inputs are pointers They are presented in fig 12 4 Fig 12 4 Multiplexers MUX1 and MUX2 TWERD Power Electronics 53 Section 12 PLC controller 12 4 Curve shaping unit PLC controller contain Curve Shaping Unit CSU which can serve for example for formation of the characteristic of the speed referencing changing the characteristic from linear to determined broken curve CSU is the functional converter of any input value X into output value Y which depends on the form of a curve which is defined with help of 5 points X Y see fig 12 5 These points are determined as parameters of CSU Input value X is chosen by parameter 5 101 Output value Y is in PCH 315 Fig 12 5 E characteristic received due to joint of 5 points x1 y1 x2 y2 x3 y3 x4 y4 x5 y5 Parameter Description Parameter Description 5 101 T ORAM APE SOMOS BI VAUS OME dor Y3 parameter y points 3 range 32000 32000 5 102 X1 parameter x points 1 range 32000 32000 5 108 X4 parameter x points 4 range 32000 32000 5 103 Y1 parameter y points 1 range 32000 32000 5 109 Y4 parameter y points 4 range 32000 32000 5 104 X2 parameter x points 2 range 32000 32000 5 110 X5 parameter x points 5 range 32000 32000 5 105 Y2 parameter y points 2 range 32000 32000 5 111 Y5 parameter y points 5 range 32000 32000 5 106 X3
171. to be set up on value 137 OutPID or 161 PumpG For operation with the PID controller it is necessary to determine parameters of a controller especially a signal source of pressure and the pressure referencing unit par 2 60 and 2 61 In addition parameters restricting a range of controller s output par 2 66 and 2 67 should be set up on values 100 and 0 respectively Simpler way of setting up parameters is loading of factory parameters set number 8 which is especially prepared for a pump group controller group with subsequent changing only some options 10 3 An operating mode with the PID controller and a mode of direct control The pump group controller can operate in two modes standard when pressure control is adjusted by means of the PID controller of the frequency converter when par 5 27 158 gt RefPID direct when the referenced signal decides directly without PID about quantity of operating pumps 46 TWERD Power Electronics MFC710 User s Manual In most cases operation in a standard mode when par 5 27 Reference unit choice is set up on 158 Ref PID is recommended Any other setting of this parameter will result that the control system will operate in a direct mode in this case quantity of operating pumps and also speed of twirl of the leading adjustable pump will be set up directly by chosen with parameter 5 27 source in limits from 0 to 100 96 For 50 half of pumps operat
172. tory Change setting during operation 1 19 Read mot Reading specified 4 resignation from reading NO parameters M1 M4 memory buffers designed for reading 1 20 Oper mode Device operating mode U f lin operation in scalar mode linear U f lin NO characteristic U f sq as above exponential characteristic Vector 1 vector mode without sensors Vector 2 vector mode with encoder T4 T5 service parameter 1 21 f carr Switching frequency of the 2 0 16 0 kHz depends on NO converter IGBT modules Note The setting range depends on the converters the nominal nominal power power of the converter 1 22 f rand Random modulation 0 NO percent of changes in carrier frequency 1 25 Mot choice The choice of active motor MO M4 the choice of active motor MO NO Par 1 26 the choice of active motor by par 1 26 NOTE MO store actual motor s parameters 1 26 Mot choice Set PCH to choice the PCH O PCH 511 Sw Off NO active motor NOTE If logical variable is selected the choice of PCH 0 the active motor is between MO and M1 1 30 Accel 1 Acceleration f 1 0 20 00s YES DYNAMICS 1 depends on 0 0 600 0 s the nominal gt power of the converter 1 31 Decel 1 Deceleration f 50 0 Hz 1 0 20 00s YES DYNAMICS1 lL 4 aaa LC depends on 0 0 600 0 s ihe nominal gt power of the a converter 1 32 Accel 2 Acceleration 0 0 600 0 s 20s YES DYNAMICS 2 1 33 Decel 2 Deceleration 0 0 60
173. tric drive will pass to Level 2 fig 3 12b in this case it is possible to select variant of factory options for loading fig 3 12c 9 different variants of factory options ready programs are provided which can be selected by the User as base see section 7 Note After loading the factory settings the frequency converter will restart During a restart a message Fail Keyb RS will appear on the display Ap regop AR LRE l Ag Fact setg Fig 3 12 Loading of factory options 3 2 8 Factory values of access codes e CODE 1 change of parameters 0 e CODE 2 loading of factory options 1 3 2 9 Full pointers Setting a parameter which is a pointer from outside of available range e g setting par 2 2 as 256 gt BL1 is allowed when function of full pointers is turned on par 4 6 on YES 3 3 Change of displayed values The values presented on both lines top and bottom of display in the basic mode and in the mode of fast reviewing are selected from group 0 of parameters There is a possibility of changing factory options and a possibility of choosing to each of these lines any parameter from this group Table 3 3 presents list of parameters determining what values are displayed It is possible to program other then original sequence of parameters displayed in bottom line of the panel in fast review mode Each of sequence positions SP SP1 SP7 has a parameter that assigns value from group O0 to appropriate sequence position
174. ts TSC MN Calle Cla lease EET m m TS 5 lL COMGITONS OF Sale OCI AllO Me saena a a Le Sean stesso anreecetaelee 9 Ub Eidigte cmt 9 Bes f KY Soe E rm M c Re eee 9 EGER o IUIS IRI PER D s m 9 UE Environmental CONGIIONS m eM P 9 De OCU O ase es EE re 10 2 INStallallOMm Olmne frequency CONVEITG Kies ccd aceak trea a Qe tt a iba i ve cen Deis a eiae eaten vob d ETE 11 2 Connector or a DOWGI CIECUITS vedete onde 2 ds eter D pets fh as ab alin set ose eects R weet ErD DU Dco eteu n tye te voies uL edo DoeR E oe eee 11 2 Sae THIS eseietn ticus Er ai MEI I E OE ML M T A E UE One 12 2 1 2 Electromagnetic compatibility EMC ules ica ouo dades eie p ecapis iesu eiae 3o dUc etur o qe FRU 2E Prveoitu ose vex a o uias kec Cerea ee Ruc ke 12 22 CONNECCION OC COMMO CIRCUITS uos esureusde Pu Du dove mado Gear tod Rad Lema e ovra A PIN ach eas 14 ES MMel S eA UMP BOITE ETE EAE 15 2 CONTING ERREUR LT rer 18 3 1 Viewing and changing parameters ValUC ccccccccccssscecceeeecceeeeeceuececseseecsegeeeceeeeesseeeeseeeessgeeessuseessaneeessesseess 19 3 2 Blocking parameters and access CONTIOL ccccccccseeseceecceeeeececseueeeeccaeaeeeeeeaeaeeeeesseaeeeeeseaaeeeeesseaeeeessuaaeeeesesaaeeeens 19 3 2 UNDIOCKING CHANGING or paramtielels us aetesapesres oeste tutus Eccle a a F uU epoca dE eetabeuauntad 20 9 2 2 JBIOCKIngDy al ACCESS COO rinses calc eu EE Ead en a eiae atte Dites UL DeC RU DD TIMEd 20 3 2 3 Unblocking changing of parameters of th
175. uencies which are chosen by the parameters above mentioned Fig 4 12 shows influence of range elimination procedure on output 9 192 L94 195 F before frequency of referencing unit Param 191 195 elimination Fig 4 12 Range elimination an example Note The elimination of frequencies applies f Ref and does not configuration Strips 2 and 3 are overlapping affect at the operation of acceleration and deceleration 4 3 4 DC direct current braking Parameters 1 66 and 1 67 allow to define voltage in Un of the motor and also time in seconds of braking the drive by a direct current In case time of braking is set up on O sec this function is switched off 4 3 5 Mechanical brake CAUTION In case when generation of full torque is required at zero speed of a drive it is recommended to use vector mode of control par 1 20 Vector 2 and to apply encoder MFC710 allows to cooperate with mechanical brake of a power transmission system An example of connecting the brake is shown in fig 4 13 Braking control is made by appropriate configuration of relay input appropriate parameter 2 90 2 96 set on Brake Br Functioning of mechanical brake control is shown in fig 4 14 In table 4 6 configuration parameters are compared MFC710 aia Kx STA
176. ump 10 0 s YES 0 0 60 0 sec 5 24 Rep Block Postponing automatic When referencing unit of Pump Controller stays 100 0 YES change of leading pump at above this value then automatic change will be high load postponed till decrease of the pressure 0 0 100 0 96 5 25 f thresh F threshold Frequency of enabling additional pump 0 0 50 0 Hz 25 0 Hz YES 5 26 Insensiv Insensibility Insensibility of enabling disabling additional pump 10 0 YES 0 0 20 0 96 5 27 Ref choice Selection of referencing Source of pressure signal Ref A0 YES unit for pumps control Ref AO Ref A2 from analog referencing units direct control of pumps group RefPID from PID controller output most common setting Note other parameters should not be used 5 28 P limit Max number of 1 495 4 YES simultaneously operating pumps 5 29 P6 active Pump 6 activation Sw Off pump disabled Sw Off YES In C1 In C6 pump enabled by one of digital inputs DI1 DI6 Sw On pump enabled 5 30 Block time Minimum break time 0 32000 0s YES operation of the pump 5 40 Sw Seq ON Enable Sequencer Signal of enabling PLC sequencer block PCH 0 SEQ YES PCH 0 PCH 511 disabled 5 41 nu Service parameter 5 42 Seq max Number of sequencer 2 8 8 YES states 5 43 Seq time 1 Time of 1st state duration PCH O PCH 511 PCH 320 YES Constant 1 5 44 Seq time 2 Time of 2nd state duration PCH O PCH 511 PCH 321 YES Constant 2 5 45 Seq time 3 T
177. up 0 0 51 Version Version of the frequency converter software 0 52 RS Ref RS referencing unit Corresponds to the value written into the register 2001 through RS Hz or rpm 0 53 HS PID Ref RS PID Ref unit Corresponds to the value written into the register 2002 through RS 95 0 54 U1 preview Programmable User value number 1 see section 11 4 0 55 U2 preview Programmable User value number 2 see section 11 4 0 56 U3 preview Programmable User value number 3 see section 11 4 0 57 U4 preview Programmable User value number 4 see section 11 4 0 60 Curr Motor Number of active motor Parameters 0 70 0 79 are active only in regenerative frequency inverters MFC710AcR 0 70 AcR I L1 Current of a phase L1 of the line A 0 71 AcR I L2 Current of a phase L2 of the line A 0 72 AcH I L3 Current of a phase L3 of the line A 0 73 AcR Ip Active current of the line A 0 74 AcR Iq Reactive current of the line A 0 75 AcR UL Interfacial AC voltage the supply grid powering the converter V 0 76 AcR Temp1 Temperature of the active rectifier IGBT modules C 0 77 AcR Temp2 Temperature of the active rectifier IGBT modules C 0 78 AcR f code AcR error code 0 79 AcR version AcR software version Parameters in group 1 6 Parameter Name Function Available options measurement unit Factory Change setting during operation GROUP 1 CONFIGURATION OF THE DRIVE
178. ur of the converter operation the same failure can take place many times In order to prevent overflow of the failure log only the quantity of failures which occurred in last operating hour see fig 6 5a is increased Thanks to this the real quantity of failures which the failure log can remember increases It is possible to obtain additional information about the following frequency converter conditions during the time of failure output frequency fout RMS current of the electric motor average from three phases lsi voltage of the DC intermediaries circuit of the converter Uac heatsink temperature Traa operating status of the converter S To do this press 3 key while viewing a failure code par 3 80 3 82 TWERD Power Electronics 41 Section 7 Sets of factory parameters 7 Sets of factory parameters The way of loading factory parameters in the converter is shown in section 3 2 7 There are 9 various sets of factory parameters table 7 1 intended for loading standard most used control programs Frequently in the beginning it is better to load one of the instanced standard sets of parameters than manually change a lot of parameters of the frequency converter After loading factory settings it is necessary to change only those options which should be changed to adapt operation of the converter for specific conditions It is important to remember that after loading any set of factory parameters it is n
179. urce of the control established with parameters Bits 12 13 14 block operation of the drive irrespective of the established type of control also when for example there is control through RS and bits 15 1 The RS frequency referencing unit operates only if the parameter 4 7 RS permission allows operation with RS Resolution 0 1Hz see CAUTION a range 5000 5000 l Boon e g 250 25 0 Hz clockwise rotation Read write e g 122 12 2 Hz anti clockwise rotation CAUTION For a mode of vector control the Vector 1 and Vector2 value is in rotations per one minute rpm instead of in Hz The referencing unit of the PID controller operates only if the parameter 4 7 RS permission allows operation with RS Read write 2002 aiino Resolution 0 1 96 a range O 1000 e g 445 44 5 96 Forcing state of digital inputs The register intended for testing If bits 15 of this register is set up Read write 2003 bits 0 5 determine a state of a digital input 1 6 of electric drives state on a real digital input is ignored STATE OF CONTROL The register which informs from where current START STOP signal and current frequency referencing unit is coming bits 0 1 control A active bits 1 1 control B active bits 2 1 the referencing unit from an analog input O bits 3 1 the referencing unit from an analog input 1 bits 4 1 the referencing unit from an analog input 2 bits 5 1 the referencing unit from a motor potentiometer
180. ure type A Enclosure type B B 01 1 a B b b Z A y o lt NP 2 w _t Y E Qo d gt 2 It is necessary to provide free space round the converter for appropriate air circulation m Ts EM eee ee wu v Free space around the converter TWERD Power Electronics 15 Section 2 Installation of the frequency converter Table 2 2a Mechanical dimensions of the frequency converters MFC710 400V and MFC710 500V type Type of converter Dimensions Modification MFC710 mm o MFC710 500 A b B C di da2 o1 o2 o 0 37 kW 3 0 0 55 kW 3 0 0 75 kW 3 0 1 1 kW 3 0 255 267 75 114 154 E n 7 7 1 5 kW 3 0 2 2 kW 3 1 A 3 0 kW 34 4 0 kW 3 1 5 5 kW 5 6 322 337 90 130 188 7 7 7 5 kW 5 8 11 kW 7 2 15 kW 322 337 90 130 223 s 7 7 74 18 5 kW 7 5 22 kW 434 450 160 220 225 6 10 7 7 11 19 0 30 kW 24 585 600 180 225 247 8 8 7 7 14 37 kW 24 45 kw 28 55 kw 590 615 192 256 266 10 15 82 82 15 29 75 kw 30 90 kW 838 865 190 283 400 12 15 85 85 18 60 110 kW 927 955 370 434 272 14 9 5 9 4 9 18 2 60 132 kw 88 B 160 kw 88 180 kw 875 92
181. ut AO1 10 0 V OV OmA 100 0 10V 20mA 0 0 2 10 V 2V 4 mA 0 0 10V 20mA 100 0 10 2 V 2V 4mA 100 0 10V 20mA 0 0 Note switching between current voltage mode is done by a jumper see section 2 2 Example 0 10 on the display indicates that the analog output mode is 0 10V or 0 20mA depending on the jumper settings 2 83 Out A2 Cfg Configuration of analog as above 0 10 V YES output AO2 2 84 Out A1 Scal Scale of analog output 0 500 096 100 0 96 YES AO1 2 85 Out A2 Scal Scale of analog output 0 500 096 100 0 96 YES AO2 2 86 Out A1 Fitr Constant of time of 0 10s YES lowpass filter AO1 10008 6396 0 01 50 00 s 2 87 Out A2 Fitr Constant of time of as above 0 10 s YES lowpass filter AO2 2 90 K1 funct 1 Function 1 of K1 relay Pump 6 pump 6 is working Ready YES K zero relay not active Run active when there is voltage supplied to motor Ready device is ready to work Fail a failure has occurred noFail not failure Warn a warning has occurred Wrn Fa a failure or warning has occurred fThrs1 f threshold 1 exceeded fThrs2 f threshold 2 exceeded f Ref referenced frequency reached Thrs T warning of exceeding programmed threshold of heatsink temperature Warn A warning error of analog signal lack of living null signal lower than 2V or 4mA Block any operation is blocked I lim current current of limitation brake brake co
182. with individually programmed time of operation and a possibility changing state by external signal e two 8 input multiplexers which connect to an output one of eight input values depending on control signal e 5 point formation unit of curve XY which can be used for example as the referencing unit with the certain characteristic e 24 programmed constants accessible also as PCH can be used as factors in calculations e time of PLC program execution is less or equal to 10ms Outputs of each PLC units are Characteristic Points inputs are pointers and that s why it is possible to connect units among themselves and with parameters of the frequency converter forming thus structure of a control system 12 1 Universal functional blocks There are 48 functional units which don t have precisely limited purpose Therefore with their help it is possible to implement many control algorithms Each of these units can perform one of 43 possible logical arithmetical time counting sequencer multiplexer curve shaping functions see appendix B Each of these units Input Ch A has 3 inputs which have been FUNCTIONAL marked A B and C and are Input Ch B UNIT Output gt PCH depending on the selected Ch 319 Ch function pointers or constant parameters Each unit has one pH SUDO Ch 1 48 output which is a Characteristic Point OUT of unit 1 has number 256 OUT unit 2 has number 257 and so on up to OUT of Fig 12 1 Universal functional unit
183. y after deleting failure message by one of methods mentioned in sections 6 2 1 6 2 3 The permission on automatic restarts is possible after setting value YES to parameters par 3 74 for failure Low Udc par 3 75 for failure High Udc par 3 76 for failure High current par 3 77 for failure High temperature of a heatsink par 3 78 for failure Failure of an analog input 6 3 Codes of failures and warnings Table 6 1 List of failure and warnings codes Failure Displayed Description Possible reason Counteraction codes name aes 4 The air course through the Check efficiency of ventilation 1 High operaio ea Sele converter is complicated too high efficiency of the ventilating fan and I O pel erent HIDE EMSC temperature of environment pollution of a heatsink Check isolation resistance of the The sum of drive currents is Insulation of windings of the drive wires connecting the drive and the Earthing not equal to null or connecting wires converter and isolation resistance of windings of the drive Too high voltage in the circuit Test the mains 3 High Udc High voltage in circuit DC intensive braking of the drive Increase a time of braking Par 1 31 or 1 33 LOW vouade NC CU ADS ENCE o Check connecting cables and a level 4 Low Udc Low voltage in circuit DC one phase of a supply voltage 9 of a feeding voltage Disconnect the drive and test Short circuit on output of the presence of a short circuit

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