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MFC 710 / AcR User's manual

1. 31 378 85 0 151 01101101 11111116 1110150 50 7 5 9 31 SWitChing On IdentifiGaliOn TUN sists neces ati eee hes E 31 5 2 Storing and reading of options for 4 different CriVeS ccccceccccceceeeeeeeeeeeeeeeeceeeeeeesseeeeeeeessaeeeeeesaeeeeeeeseaeeesessegses 32 Or AN LS Sand AI FIC Sach 0 stiches chest a te ta teh 33 6 1 Messages on failures and warnings On the control panel ccccceeecceceeeeeeeeeeeeceeeeeceeeeeeeeeeeeseueeesaeeeeeseeeeessessaees 33 6 2 Deleting failure Message Automatic reStarts ccccsccccceseeccesseecceeececeeeeeeceeeeeeseeeessaueeeseaeeeesegeeessueeessaseesseneesens 33 6 2 4 1 19 17 10 61 11 111419 8855 7 95 7 1 33 6 2 2 Deleting through a digital input Of the converter ccccssccecceeeeeceeeeeeseeeeeceaeeeeseeeeeesaeeeessaeeeesaeeesaaeeeseeeeeeess 33 6 2 3 Remote deleting through RS link cccccsesscc
2. Kx STAR TAST OP 230V AC 82 NIL UVW mechanical brake T 0 Relay KX F OH 75 x i Rys 4 13 Illustration of dive speed 3 246 mechanical brake connection poe System operation par 2 103 Fig 4 14 Illustration of mechanical brake control Table 4 6 Configuration parameters of mechanical brake control Name Description Par 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 rom 2 103 Br close t Time of work after closing command is sent s time needed for complete locking of mechanical brake 4 3 6 Flying start Flying start enables valid start up of the motor in case initial speed of a shaft of the drive differs from zero Five modes of par 1 61 are possible 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
3. 5 3 23 7 7 7 r lt lt Vw z Zakiad Energoelektronikt MFC 710 AcR User s manual v0 06 16 5 2013 Contents SPECIFICATIONS cesna cet oe ccs Sere ce crs ice ceeds ces ne nee ed cnr es aac ceed eae 4 1 CONGIIONS 1 1102 71 110 11 11 1111 2 5 E 6 1 1 111 1 1 E a RY ae ne 6 10251 1 15 1 655 1 1 6 ge 0516 0 11101717 1 1792 5855 6 7 5 ee eee ree 6 1 4 1 1 11 1111110211 411 111 11 1 111 2 5 2 525 95 9
4. SITE 6 O Parameter Function Available options measurement unit Factory Change Name setting during operatin g time 1 30 Accel 1 Acceleration YES DYNAMICS 1 1 31 Decel 1 Delay 5 0s YES DYNAMICS 1 1 32 Accel 2 Acceleration 0 0 320 0s 20s YES DYNAMICS 2 1 33 Decel 2 Delay 0 0 820 0 s 20 5 YES DYNAMICS 2 1 34 Stop Delay 5 0s 1 35 S Curve S Curve Par 1 35 0 00 YES lt gt gt Par 1 30 1 36 Dyn choice Enabling Sw off Dynamics 1 active acceleration i delay 1 Sw oft YES DYNAMICS 1 or DI1 DI6 switching on Dynamics 2 by means of DYNAMICS 2 digital input 1 6 Sw on Dynamics 2 active acceleration 2 i delay 2 1 40 f max Maximum output 0 0 600 0 Hz 55 0 Hz YES frequency 1 41 limit M Current restriction at motor 0 0 200 0 engine In 150 0 YES operation 1 42 limit G Current restriction at 0 0 200 0 engine In 150 0 YES generator operation 1 43 T limit M Torque restriction at motor 0 0 200 0 engine Mn 150 0 YES operation 1 44 T limit G Torque restriction at 0 0 200 0 engine Mn 150 YES generator operation 1 50 UO Voltage for output 2 0 YES frequency FO par1 51 0 ry 0 0 40 0 engine Un 81 52 gt p1 50 1 51 FO frequency 0 0 20 0 0 0 YES 1 52 U1 Voltage for output 0 0 100 0 50 0 YES frequency F1 par 1 53
5. deen a a aea 13 32 VUnblocking changing Of parameters saec aa a a E or a aea 14 32 2 Blocking DY alvaCCeSS 69161 arron e e Ee E EE 14 3 2 3 Unblocking changing of parameters of the electric drive blocked by a 4 444 14 32 4 Activatmg protection Dy access Code ienr nn AEE A ee ee eee 14 3 2 5 Disactivating protection Dy ACCESS 0496 44 4 15 32 0 Change 991 190 0019191 9 026 7 7672 2877 7 5 15 3 2 113101 factory options OF INC CONVENE a 8 a 28 15 3 2 9 Factory valss Ol ACCESS 616100 4 5 15 32 Or Ul 016110 12 0058 055 a Reade esi 15 3 3 Change Of displayed ValUCS 8 99 9 scceteacesasenanchaoeccga section sdcesuagb ecshocceassbadasecctiowdadsseadasadds easmnetachlesubacseacteadeceeddass 15 so wre rel re oy Ma 1 ot 6 g neen ecm eee tea ic ee etter Ran Tere a ae eer 16 4 Configuration of the freqQUueNCy converters srie i r a a a a 17 4 1 Setting nominal par
6. of RS485 interface p oe ares L E mode i Ol e lz o B R Naiak Analog outputs operating mode e i mode mode LO nese Put on J6 J7 if the a vec 9 P 9 Voltage Digital input mode O o Z i a R i 3 4 drive is the last one OF P E mode 9 el elle i v Je gt i on communication o 2 ee eee EE 1 2 8 59 68 2 35 ns 18 deje i a gt 1 8 5 gt 99 EEM E 8 22 Current Voltage K Meya L mN esses 1 2 606 mode pee Aa 5 a 16 30 J6 5 Se M a Sf fe od a slg 7 9 ielo We a ele J4 21 5 elle 2208 32 O wnt ees Ae J7 or 55 gt 2 gt gt a o _ o Digital outputs Digital K 2 i Digital outputs 001 002 003 0 23 88909 Tipit a
7. shown at Fig 3 7 Fig 3 7 Parameter setting 3 2 Blocking parameters and access control If the parameter on display looks like at the fig 3 8 b at the beginning of bottom line it means Changing of paramete that it is blocked changing is impossible is BLOCKED The possible reasons of blocking of parameter changing m Some parameters can be changed only if the Fig 3 8 Parameter is blocked system of the electric drive does not operate the drive is stopped m Blocking of parameters changing is switched on see section 3 2 1 Also if as START A or B Start RS was chosen Pressing key of asterisk 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 m 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 Table 3 2 Parameters which are responsible for blocking and access control Parameter Value 4 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 i
8. PN EN 61800 3 A11 first environment Distribution is limited with use of installation principles section 2 1 2 and the equipment installation principles section 2 1 2 and the section 2 1 2 without item e equipment section 2 1 2 without item d e Resistance PN EN 61800 3 A11 first and second environment The first environment includes the equipment plugged in a low voltage supply network which powers apartment buildings The second environment includes the equipment plugged in a supply network 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 AcR 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 AcR The frequency converter set up in the first environment without external supply network 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 Distribution is unlimited with use of installation principles section 2 1 2 and the equipmen
9. 1 53 f1 F1 frequency 0 0 100 0 50 0 YES 1 54 dU at In 0 0 Compensation of a voltage drop from output current 1 55 f Start Minimal output frequency 0 0 Hz for U f operation modes 1 60 Slip comp Slip compensation YES slip compensation enabled NO disabled Z O T Y YES 111 111 6 Parameter Function Available options measurement unit Factory Change Name setting during operatin g time 1 61 Flyin Start Function of connecting 0 function disabled YES converter to a running 1 search in one direction searched frequencies motor 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 NO 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 Coast 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 Reversal bidirectional LEFT RIGHT Reversal YES rotation 1 66 U DC br Voltage of DC braking 0 1 40 0 engine s Un direct current braking 0 1 YES 1 67 DC br time Braking time 0 0 820 0 5 0 0 5 1 68 Min t Stop Minimal time of stopp
10. 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 AIO Configuration of analog 0 10 V OV 0 mA 0 0 0 10 V YES input AlO 10 V 20 mA 100 0 10 0 V 0 V OmA 100 0 10 V 20 mA 0 0 2 10 V 2 V 4 mA 0 10 V 20 mA 100 0 10 2 V 2 V 4 mA 100 0 10 V 20 mA 0 0 AIO operates only in voltage mode 2 41 Cfg Alt Configuration of analog as above Current mode 0 4 20mA J3 switch 0 10 V YES input AlO 2 42 Cfg Al2 Configuration of analog as above Current mode 0 4 20mA J4 switch 0 10 V YES input Alt 2 43 0 Scale Scale of analog 500 0 500 0 100 0 YES referencing unit RefAO 2 44 Al1 Scale Scale of analog 500 0 500 0 100 0 YES referencing unit RefA1 2 45 Al2 Scale Scale of analog 500 0 500 0 referencing unit RefA2 2 46 AlO Offs Offset of analog 500 0 500 0 referencing unit RefAO T 100 0 YES 0 0 YES 2 47 All Offs Offset of analog 500 0 500 0 0 0
11. Parameter Function Available options measurement unit Factory Change Name setting during operatin g time 4 46 UR3 Unit Unit of ref unit US3 Displayed unit See table 11 3 e YES 4 47 UR3 dec p Number of decimal places Number of decimal places for USS ref unit 0 3 Yes 4 48 min UR4 Minimum 5000 5000 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 e YES 4 51 UR4 dec p Number of decimal places Number of decimal places for US4 ref unit 0 3 E 4 60 Usr1 choice Selection of data source Source of data 1 as par 0 54 Usr1 PCH O 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 e YES 4 62 Usr1 dec p Number of decimal places Number of decimal places for par 0 54 Usr1 4 63 Usr2 choice Selection of source for Source of data a as par 0 55 Usr2 PCH 0 User Value PCH O PCH 511 see section 11 in 4 64 Usr2 Unit Unit of parameter 0 55 Displayed unit of Usr2 See table 11 3 e VES 4 65 Usr2 dec p Number of decimal places Number of decimal places for par 0 55 Usr2 4 66 Usr3 choice aes of source Source of data co as par 0 56 Usr3 PCH O see section 10 4 PCH O PCH 511 see section 11 z 4 67 Usr3 Unit Unit of parameter 0 56 Displayed unit of Usr3 See table 1
12. O1 3 15 18 5 0 39 0 4 o1 18 5 O O NJ NJ TEE 1148 116 1 EE 3 N fattet iN 55 75 31 N MFC710 AcR 90kW 90 180 110 270 225 MFC710 AcR 110kW 110 210 132 250 315 315 MFC710 AcR 132kW 132 250 310 3 5 315 MFC710 AcR 160kW 160 310 180 375 465 400 MFC710 AcR 200kW 200 375 250 465 570 500 MFC710 AcR 250kW 250 465 250 465 690 630 MFC710 AcR 315kW 315 985 355 650 850 800 MFC710 AcR 355kW 355 650 400 730 940 800 MFC710 AcR 400kW 400 730 400 730 1100 800 MFC710 AcR 450kW 450 820 200 910 1190 1000 MFC710 AcR 500kW 200 910 560 1020 1365 1250 1110111010 l Pn nominal power at overload 1 5 In Int Nominal output current at overload 1 5 Pye nominal power at overload 1 1 pumps ventilators Nominal output current at overload 1 1 bumps ventilators lp overload current 60s every 10min Iz maximum nominal current protection 1 Conditions of safe operation 1 1 Warnings e After connecting converter to the supply network internal circuit components except In Out clamps are on the supply network potential Touching them can cause an electric shock e When you connect the converter to the supply network there is a dangerous voltage on clamps U V W even
13. PCH 511 PCH O E 5 89 Mux2 6 Value of input 6 MUX2 PCH O PCH 511 PCH O YE 5 90 Mux2 In 7 Value of input 7 MUX2 0 PCH 511 PCH 0 0 YES 5 91 Mux2 8 Value of input 8 MUX2 PCH O PCH 511 PCH 0 0 YES 2 0 5 101 CSU In CSU Input X PCH O PCH 511 PCH O VES lt lt O z O 5 lt lt NINnNI NO 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 YES 5 105 CSU Y2 Point 2 value Y 32000 32000 YES 5 106 CSU X3 Point 3 value X 32000 32000 YES 5 107 CSU Y3 Point 3 value Y 32000 32000 YES 5 108 CSU X4 Point 4 value X 32000 32000 YES 5 109 CSU Y4 Point 4 value Y 32000 32000 YES gt 1 gt 1 1 gt 1 gt Parameter Function Available options measurement unit Factory Change Name setting during operatin g time 5 110 CSU X5 Point 5 value X 32000 32000 o YES 5 111 CSU Y5 Point 5 value Y 32000 32000 YES 5 120 Const 1 CONSTANT 1 32000 32000 Copied to PCH 320 YES 5 121 Const 2 CONSTANT 2 32000 32000 Copied to PCH 321 0 YES 5 122 5 141 Analogically
14. 5528 528022 20 2 9 5 257 9 09 95222629999 2006 6 2 Installation of the frequency 4 4 44 55 5555 7 21 COMMECHOM Or 1 17 021 1 11 1 119 2 7 72a Oa rodey UCS aa nrc Renee ME em ee Orta Tee SRE me ee een 8 2 1 2 Electromagnetic compatibility EMC rules ccccccccsssseceeceeseceecceeeeeeeeceeesceeeseeaeeeeseeaceeesseaeeeesseeesessssssaaees 8 2 2 Connection of control CIRCUILS cesciziceercastanasnied 10 3 111 1 11111 111 11 11 11 02 5 51 5222 9 9 2 0 1 9 2 12 5 922 20 29182 2 12229 9 22200092 a bacdatanssasweaumenbenes 10 3e TNE Control paneline ciel e hee ee ied esis hc E adem sha ett ed erence 12 3 1 Viewing and Changing parameters VAlUC ccccseeccccsscccceeececceuseeceeeeeeceeeeeseeeeesaueeessseeeseseeesageeessaeeesseneesssageegs 13 3 2 Blocking parameters and access 699111 0 69
15. CAUTION Instead of configuring all parameters of Application separately it is better idea to load factory settings number 9 and then modify only some parameters This set is especially intended for Reeler Calculator Application Description of loading factory settings can be found in section 3 2 7 Rys 9 2 Activating RC for A control Table 9 1 Parameters of reeler calculator Description Parameter Name Source of linear speed signal of rolled medium Possible values 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 speed referencing unit par 5 1 0 00 320 00m s 54 Amin Minimum diameter of roller see fig 9 1 Basing on this value application determines mininum moment 0 0 32000mm 2 3 Maximum diameter of roller see fig 9 1 Basing on this value application determines maximum moment 0 0 32000mm Mo Moment friction set in 5 5 111171 40 10 Pump Group Controller The MFC710 AcR 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 AcR has 4 digital outputs and can serve
16. Damage of the analog input Failure of charging circuit of capacitor bank The contactor is not switched on only for converters on power above 30kW Failure of the temperature sensor Short circuit of temperature sensor Temperature of radiator is lower than 10 C Asymmetrical loading Operation with loading which is much lower than nominal The signal of external failure is active The signal of external failure is active Failure of the external temperature sensor of the motor if it is connected to 316 The drive has stopped under act of too high loading Exceeded time of waiting form control panel transmission Waiting time on a signal from RS is exceeded Voltage oscillations of circuit DC are higher than allowable Output frequency of the frequency converter is higher than the maximum frequency Failure of encoder Possible reason Counteraction Overheating of the motor or operation with high loading at small speeds Check loading of the motor current of the motor check parameters of thermal drive model At input option with living zero 2 10V or 4 20mA value of a signal is lower than 1V Check a configuration of analog inputs test system of connection damage of a cable etc Damage of the contactor or connecting wire a Check connections wire plugs etc Failure of the temperature sensor or of connecting wires Failure of the temp
17. 162 183 184 185 186 187 188 189 190 255 Hg PCH name f Ramp ABS percent Lrot URI UR2 UR3 UR4 fzA_percent fzB_percent fz_percent f Ramp fz 1 Fz 2 Fmin of the ref unit Fmax of the ref unit PCH of built in PLC controller 256 257 258 303 ife 304 305 306 311 313 314 315 316 319 320 321 322 343 344 383 384 447 448 511 10911 UNIT number 1 UNIT number 2 UNIT number 3 48 SEQUENSER STATE 1 SEQUENSER STATE 2 SEQUENSER STATE 3 8 SEQUENSER NUMBER SEQUEN MULTIPLEXER 1 MULTIPLEXER 2 Output CSU CONST 1 CONST 2 CONT 3 24 PCH RS 1 64 PCH EXT 1 64 Function value note Value PCH 166 converted to compared to rated drive frequency taking into account the procedures of acceleration braking ramp Interval is 0 1 For operating mode U f value of this PCH corresponds to current output frequency of the converter Value without sign doesn t depend on direction of rotation Value of rotation counter Value of the user referencing unit number 1 Value of the user referencing unit number 2 Value of the user referencing unit number 3 Value of the user referencing unit number 4 Value corresponds to PCH 164 referencing unit A converted to relative value compared to rated drive frequency Value without a sign resolution 0 1 Value corresp
18. 4 pumps The fifth pump can be connected with the help of 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 regulator of the converter or directly from any referencing unit One pump works with a rotational speed which is adjusted by frequency converter MFC710 AcR it is the leading pump Other pumps are switched on switched off depending on necessity and powered directly from supply network 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 MFC710 Kl K2 K3 InCl 24V InC2 24V 3 24V PPPE 8 818 9 8889 898 88 88 Fig 10 1 Control circuit of 3 pumps group System with control of group of 3 pumps is shown on 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 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 on fig 10 1 it is necess
19. Digital outputs relays In the converter there are 4 digital outputs m 3 relay outputs 250V 3A which are called K1 K2 K3 or DO1 DO2 and DO3 m 1 open collector output 35V 250mA 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 Table 4 4 parameters of configuration of digital outputs Parameter Digital output 2 90 Relay K1 Choice of function 1 State of digital output corresponds to the logic sum of values of both functions according to the table 2 91 DO1 Choice of function 2 Function 1 Function2 State of output 2 92 Relay K2 Choice of function 1 0 0 2 93 DO2 Choice of function 2 2 94 Relay K3 Choice of function 1 i 2 95 DO3 Choice of function 2 2 96 Open collector Choice of function 1 2 97 DO4 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 functions which allows to control relay outputs with the help of built in control system PLC In Pumps control variant configuration of digital outputs are responsible for control of contactor group which enable separate pumps m Analog outputs Table 4 5 presents parameters which concern configuration of two analog outputs AO1 and AO2 Both outputs can operate in a voltage mode 0 10V 2 10v or
20. Process N 0 0 500 0 4 26 nP Unit Process N unit Unit of measurement displayed for par 0 1 See table 11 3 4 27 nP dec p Number of decimal places Number of decimal places for par 0 1 of Process N 4 28 n rot Scale Scale of rotation counter Amount of units that correspond to one encoder rotation 4 29 n rot reset Resetting rotation counter PCH O 511 Source of signal resetting the rotation counter 4 30 UR choice Choice of User 0 user referencing unit not active Referencing unit UR 1 4 ZU1 ZU4 4 32 Ref UR1 Ref unit Value 32000 32000 4 33 Ref UR2 Ref unit Value 32000 32000 4 34 Ref UR3 Ref unit Value 32000 32000 o 4 35 Ref UR4 Ref unit Value 32000 32000 4 36 min UR1 Minimum 5000 5000 o 4 37 max UR1 Maximum 5000 5000 1000 YES 4 36 UR1 Unit Unit of ref unit US1 Displayed unit See table 11 3 e YES 4 39 UR1 dec p Number of decimal places Number of decimal places for US1 ref unit 3 I Yes 4 40 min UR2 Minimum 5000 5000 o 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 e YES 4 43 UR2 dec p Number of decimal places Number of decimal places for US2 ref unit 0 3 YES 4 44 min UR3 Minimum 5000 5000 o YES 4 45 max UR3 Maximum 5000 5000 1000 YES
21. 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 01 Ref u1 Ref u1 Ref u1 Ref u1 Ref u1 Ref u1 Ref u1 Ref u1 Ref A1 5 10 No No No No No No No Yes No Ref A0 Ref A0 5 27 Ref A0O Ref A0O Ref AO Ref A0 Ref PID Ref AO 3 6 PID regulator Frequency converter has a PID regulator Proportional Integral Differential The regulator can be used for stabilization of any parameters at fixed level fig 8 1 Value of process PID ue i gt CONTROL process TRANSDUCER of monito of process parameter measuring of MFC710 process Leases See es E ee ee ee eel Fig 8 1 Use of the PID regulator for adjusting process parameter 8 1 Turning on and a configuration of the PID regulator To enable PID regulator 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 EOC 8 2 Fig 8 2 PID regulator in the capacity of set point device A Table 8 1 Control and
22. 0 i i g START REVERSE i Register 2000 MODBUS B i Bit 15 Par 2 5 Fig 4 2c Complete structure of MFC710 AcR 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 p 1 Electric drive operates BLOCKING PCH 73 START PCH 37 gt 1 Control allows on start of the electric drive 1 Electric drive is blocked 4 2 2 Control from the control panel In order to control the electric drive from the control panel it is necessary to choose control place A or B with the help of parameter 2 1 establish parameter 2 2 for A or 2 3 for B to in position gt 133 Keys establish parameter 2 4 for A or 2 5 for B to in position gt 31 Keys make sure that the constant speed mode isn t chosen Par 2 30 2 31 and 2 32 should be established in position gt 0 Switch off Fig 3 CONTROL STATE referencing unit and START STOP local from the Control panel The picture on the display control state will be as it is shown on 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 rotati
23. 2 3 for control B referencing unit of PID regulator is set for control from the control panel par 2 60 one of four user referencing unit see section 10 5 is active Colon means 1 Switch on displaying displaying and the reference changing REFERENCE Changing of reference is possible when at least one of the 8 68311 control pane reference units is active THE CONTROL STATE allows to receive the information about which referencing unit of drive frequency and source of a 3 START STOP signal are used in the circuit To enable the CONTROL STATE on the display it is necessary to press a key The effect will be such as it is shown on fig 3 5 Fig 3 5 Control State Fig 3 4 Change of referencing unit frequency from the contro panel level reference value Joanna enh Fig 3 2 Functional diagram of contro panel operation Table 3 1 Abbreviations of Referencing units and Control Task Source of referenced frequency Control START STOP signal source Control panel Lo Control panel 0 Analog input 0 Di Digital inputs 1 Analog input 1 Fu Advanced user s START STOP PLC gt EE and there is no permission to operate with RS Converter is stopped 2 Analog input 2 PID regulator m Emergency referencing unit Advanced user referencing unit PLC Also if as a Referencing
24. 2 65 2 Fig 8 3 Reaction of a regulator to error jump at the input of the PID REGULATOR at the broken off back coupling on speed the output of a regulator will achieve value higher than value par 2 67 par 2 71 the error will be higher than par 2 71 Functioning of restriction and SLEEP blocking is shown on 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 Par 2 67 time ae Par 2 71 Fig 8 4 Illustration of limiting of the PID regulator and SLEEP blocking 39 9 Reeler calculator MFC710 AcR has built in application of reeler calculator RC see fig 9 1 M aan Force tasking Linear 710 3 dm 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 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
25. 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 48 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 48 universal 3 input units from which each can implement one of 43 logical arithmetical or time counting functions the sequencer unit with a possibility to program a sequence which will consist of maximum 8 states each with individually programmed time of operation and a possibility changing state by
26. 62 aa DV Value of MUX1 output 32000 32000 PCH 313 when MUX1 is enabled par 5 60 5 63 Mux1 Sel Source of MUX1 input PCH O PCH 511 PCH O selection 5 64 Mux1 In 1 Value of input 1 MUX1 PCH O PCH 511 PCH O YES 0 5 65 Mux1 2 Value of input 2 MUX1 PCH O PCH 511 PCH 0 0 YES 5 66 Mux1 3 Value of input 3 MUX1 PCH 0O PCH 511 PCH 0 0 YES 5 67 Mux1 4 Value of input 4 MUX1 PCH O PCH 511 PCH 0 0 E 5 68 Mux1 In 5 Value of input 5 MUX1 PCH O PCH 511 PCH 0 0 E 5 69 Mux1 6 Value of input 6 MUX1 PCH 0 PCH 511 PCH 0 0 YES 5 70 Mux1 In 7 Value of input 7 MUX1 PCH O PCH 511 PCH 0 0 ly YES 5 71 Mux1 8 Value of input 8 MUX1 PCH 0O PCH 511 PCH 0 0 YES 5 80 En Mux2 Signal of switching on PCH 0 PCH 511 PCH 0 MUX2 YES MUX1 PLC block gt 5 82 Mux2 DV Value of MUX2 output 32000 32000 PCH 314 when MUX2 is enabled par 5 80 5 83 Mux2 Sel Source of MUX2 input PCH O PCH 511 PCH O selection 5 84 Mux2 In 1 Value of input 1 MUX2 PCH 0O PCH 511 PCH O ia YES 5 85 Mux2 2 Value of input 2 MUX2 PCH 0 PCH 511 PCH 0 0 YES 5 86 Mux2 In 3 Value of input 3 MUX2 PCH 0O PCH 511 PCH O YE 5 87 Mux2 4 Value of input 4 MUX2 PCH O PCH 511 PCH O E 5 88 Mux2 In 5 Value of input 5 MUX2 PCH 0O
27. Unit no Identification number of 1 247 Modbus device g time YES 4 10 L1 at STOP Value displayed in upper par 0 1 line when device is not working see section 3 3 MCCUE 1 lt m 4 11 12 at STOP lt m Value displayed in lower line when device is not working see section 3 3 4 12 1 at RUN Value displayed in upper 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 line when device not working see section 3 3 4 14 Preview 1 Value SP1 section 3 3 par 0 1 par 0 57 4 15 Preview 2 Value SP2 section 3 3 par 0 1 par 0 57 4 16 Preview 3 Value SP3 section 3 3 par 0 1 par 0 57 4 17 Preview 4 Value SP4 section 3 3 par 0 1 par 0 57 YES lt lt lt lt lt my mymymM NI NIT NI NI WO YES YES O lt m lt m YES YES YES YES YES YE 4 18 Preview 5 Value SP5 section 3 3 par 0 1 par 0 57 4 19 Preview 6 Value SP6 section 3 3 par 0 1 par 0 57 4 20 Preview 7 Value SP7 section 3 3 par 0 1 par 0 57 4 21 LCD contr Adjusting contrast of LCD lo 4 22 RTC set RTC setting Option requires additional RTC module 1 year 2 month 3 day of month 4 day of week 5 hour 6 minute 4 25 nP Scale Scale of Multiplier of speed displayed as parameter 0 1 100 0 YES Precess N
28. YES referencing unit RefA1 2 48 Al2 Offs Offset of analog 500 0 500 0 referencing unit RefA2 0 0 YES 2 49 10 Fitr Constant of time of 0 01 50 00 5 0 10 5 lowpass filter lt m 2 50 1 Fitr Constant of time of 0 01 50 00 5 0 105 lowpass filter 2 51 Al2 Fitr Constant of time of 0 01 50 00 5 0 10 5 lowpass filter 2 60 PID Ref Src Choice of PID regulator Keyb referencing frequency from panel referencing unit 0 referencing frequency by signal from analog input AlO Ali referencing frequency by signal from analog input Al1 Al2 referencing frequency by signal from analog input Al2 RS referencing through RS232 or RS485 link lt m lt m YES 2 61 PID Inp Src Choice of regulated value RefA0O referencing regulated value from analog RefA1 YES of PID regulator referencing unit RefAO RefA1 referencing regulated value from analog referencing unit RefAO RefA2 referencing regulated value from analog referencing unit RefAO 1 114111 Parameter Function Available options measurement unit Factory Change Name setting during operatin g time 2 62 Error inv Negation of regulator s NO YES NO YES error 2 63 P Amp Amplification of 1 3000 100 YES proportional element of PID regulator 2 64 Const Constant of time of the 0 01 320 00 5 1 00s YES PID regulator 2 65 D Amp Amplificatio
29. and C are constant parameters a B OUT a B 8 is a parameter e g addition of a constant offset Ifc H OUT b Ifc L OUT a C A B If value of an input a is equal or higher than a threshold determined by input B an output 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 O 1 OUT H when the inequality is carried out OUT L in all other cases OUT H when the inequality is carried out OUT L in all other cases OUT H when value is in the limits lt b C b C gt oO OUT L in all other cases If a lt b C OUT L A hysteresis The output signal doesn t change for a which is in limits lt b C b C gt If a gt b C OUT H N B a C B 1000 Graduation The input value a will be transformed from a range 0 1000 0 0 100 0 to a range determined by parameters B and mi 1000 0 ol 1 A 61 Output Description OUT of the block Function number 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 0 1000 0 0 100 0 c 5 rr or 1 1 o 0 0 0 oo 19 1 1 EJ If a H OUT b Value OUT of
30. and below 2 6a The second variant of the board 2 6b is used in drives of rated power above 18 5kW Analog inputs Operating mode of DI6 Terminal jumpers of Use only incremental 4 it RS485 interface encoders with the line 1 88 1190110011 mod 1 1 0 9 9 90 9 Put on J6 J7 if the drive transmitter interface 43 for Alt pa 1 Use only incremental Analog inputs is the last one on and 5V type 4 for Al2 E i encoders with the ling Poio operating mode communication bus Bee Poses en eR E T Bis acon eee et 9 Motor thermistor transmitter interface Digital 3 for Al2 Pea a Analog outputs operating mode Voltage 1 gap 9 ie mode and 5V type output 4 for Alt Operating mode of DI6 1 for AO1 mode 9 i DO4 i f a lov 2 for AO2 fj Current fete 1 oa i 1 Motor thermistor ers RS485 88 mode Terminal jumpers m7 ov ae Current i fe mode f 1 etsy Prose jer 6
31. elimination range 2 Hz Par 1 93 top frequency of elimination range 2 Hz Par 1 94 bottom frequency of elimination range 3 Hz Par 1 95 top frequency of elimination range 3 Hz Referencing unit of the electric drive will bypass frequencies which are chosen with the help of the parameters above mentioned Fig 4 12 shows influence of range elimination procedure on output frequency of referencing unit 191152 194 195 F before Param 1 91 1 95 elimination Fig 4 12 Range elimination an example 4 3 4 DC direct current braking configuration Strips 2 and 3 are overlapping 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 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 vectorial mode of control par 1 20 Vector 2 and to apply encoder MFC710 AcR 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 26 MFC710 slant
32. 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 base mode and in the mode of fast reviewing are selected from group 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 0 to appropriate sequence position 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 Table 3 3 Parameters deciding about which values are displayed in the base 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 base mode and in the mode of fast review when the electric drive does
33. has done Electric drive operates low F STOP par 2 13 and 2 14 LOCAL REVERSE PCH 34 i START REVERSE A i ee LOCAL START Dar 2 4 AIB ERASE OF LOCAL START PCH 31 i i PCH 39 is ts ein Gre Bas a eee Ee 4 r 21 No RS constraint Par 2 xx pe REMORE START we Leena 1 3 Configuration of remote oe e l arameter 2 8 start i l is ese ston fat PCH 33 i S ae Constraint START STOP by i f RS only when Variants i rie REVERSE PCH 38 Sl ears i ag ales 5 Enable RS PCH 40 1 1 131 Start right DI2 Start a vem left i x EE EA ofa of about value PCH 40 ref unit and change of a 2 Impulse 131 Start impulse Ss Parameter i i directi l dete e par 4 7 l direction of rotation See BIT6 of 2000 DI Stop Direction 0 N 2 6 i 3 of register P the block diagram of MODBUS 1 3 the same p 2 Plus 1313 58 VOE frequencies selector direction Gale 7 Oe 4 131 Start Directiion 0 n i N i i l e e 3 Ea Gy Pe Enable RS PCH 40 3 par 4 7 Parameter i 1 0 4 w 27 START STOP RS l i
34. 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 0 up to 65536 for unsigned numbers or from 32768 up to 32767 for numbers with a sign If this PCH is treated as digital value logic 0 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 l expansions 256 383 PCH connected with units of internal control PLC 11 2 PCH and the pointers how does it work 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 value content of selected PCH 0 511 Vahe of pointer decides which PCH will
35. is not chosen 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 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 Control 0 determined with sign of referencing unit H 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 Ref unit sign L positive ref unit H negative ref unit H the converter is blocked because frequency referencing unit is lower then STOP frequency 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 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 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 1 Co
36. is selected for using the certain functions with the help of parameters which are connected to the given function of the frequency converter e g to choose control variant A or B using DIS it is necessary to set up par 2 1 which makes choice of control Fig Choice of control variant variant on value In C3 as it is shown on fig 4 8 It means that there is a AE possibility of giving to this digital input simultaneously more than one function Other parameter can be set up also on value In C3 m Analog inputs Frequency converter has three analog inputs In AO 1 and In A2 Two of them In A1 and In A2 can operate both in voltage mode 0 2 10V and in current mode 0 4 20mA The choice of an operating mode for these inputs is carried out with the help of switches J3 i J4 InputAO 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 which define their function in the system Inputs are selected by control configuration parameters to perform certain actions fig 4 9 22 Fig 4 9 Analog input In A1 a or Analog Referencing unit Ref A1 b are chosen for speed control of drive rotation in control variant A Table 4 3 parameters which define_a configurat
37. nominal frequency of the drive parameter 1 40 allows to limit the top limit of output frequency of the converter Standard option is 50 Hz and its maximal value 200 Hz it is an absolute maximum of output frequency 4 4 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 Reverser operation in two directions option relative To the left operation in one direction To the right operation in one direction 4 4 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 moment 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 m 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 Switch off default switches off external blocking of operation possible options Switch off 11 16 par 2 110 Permission of operation value Switch on default
38. nominal power current voltage frequency and speed entering erroneous parameters can result in damage of the motor and the frequency converter As far as it is possible the motor should be disconnected from loading in stage 3 during which the motor accelerates till speed that corresponds to frequency of 50 or 25 Hz To start procedure of parameters identification it is necessary to set up parameter 1 10 Identification run on one of values m 30 Hz run all 3 stages of identification are carried out stage 3 at 50 Hz 25 Hz run all 3 stages of identification are carried out stage 3 at 25 Hz m Norun 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 on fig 5 1a After pressing one of keys START left arrow or right arrow procedure of parameters identification begins fig 5 1b 5 16 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 1e Pressing STOP button will reset and restart converter It is possible to interrupt procedure of testing in the same way at any moment In case of interrupt
39. on unit function Value can be set from 0 to 65535 PLC controller Sequencer system Value H active mode 1 only one of the PCH 304 311 can assume value H at the same time and only if the sequencer is switched on PLC controller Sequencer system Value H active mode 2 PLC controller Sequencer system Value H active mode 3 8 PLC controller Sequencer system Number of active mode Value of this PCH can assume value 0 7 0 STATE 1 7 STATE 8 PLC controller Output of Multiplexer 1Value L when Multiplexer 1 is switched off PLC controller Output of Multiplexer 2 1Value L when Multiplexer 2 is switched off PLC controller Output Y of Curve Shaping Unit CSU XY Reserve Value always 0 Constant number 1 Can be used as a factor in calculations made with help of Universal Block lt is a copy of parameter 5 120 Constant number 1 Can be used as a factor in calculations made with help of Universal Block lt is a copy of parameter 5 121 Constant number 3 24 Can be used as a factor in calculations made with help of Universal Block It is a copy of parameter 5 122 5 143 Reserve Value always 0 PCH accessible for writing with the help of connection RS There is a possibility of an external control of a process which takes values from these PCH PCH intended for service by means of optional extension module additional inputs outputs analog digital etc 60 Appendix 5 Table of Functions of Unive
40. 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 Parameter in Name The description group 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 with the help of parameters 4 25 4 26 and 4 27 2 Motor n Ref Value of the referenced rotation speed rpm rs 0 4 f out Current output frequency of the converter Hz 0 5 Ref Referenced frequency Hz 0 6 Mot torque The moment of the drive compared to the nominal moment 0 7 Mot cur Average value of current in windings of the drive A 0 8 Mot volt An output voltage AC of the converter V voltage of the drive 0 9 Mot temp Calculated relative temperature of the drive 0 10 DC volt Voltage of the DC intermediaries circuit of the converter V 0 11 Mains volt Interfacial AC voltage the supply network powering the converter V 0 12 Out pow Current output power of the converter at kW 0 13 Energy Value of energy which has been transferred to the drive from the moment of switching on the converter or from the moment of a cancellation of parameter 3 6 kWh 0 14 la cur Current of a phase A of the drive A 0 15 lb cur Current of a pha
41. 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 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
42. 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 m Vector1 mode without the sensor there is no necessity of encoder but thus the accuracy is lower m Vector2 operating method with the sensor of a position encoder The encoder resolution is defined with the help of 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 control 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 AcR 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 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
43. permits operation in spite of state of digital inputs possible options Switch on DI1 DI6 Blocking from thermorelay or thermistor in the drive parameter 3 1 permits to switch on thermorelay blocking see section 4 4 4 2 m External emergency stop instant stop of the drive in coast mode see par 2 112 possible options Switch off DI1 DI6 Switch 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 it is set on No par 2 13 determines the minimal frequency value below which frequency will not decrease oy 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 restriction 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 P r 2 13 Oo ee eee e ne ne arena coe Te Fig 4 16 Operation principal of blocking from F STOP SLEEP blocking of PID regulator see section 8 4 4 4 Thermal protection of the drive 4 4 4 1 Protection limit The built in thermal model of the drive enables to calculate temperature of the drive in
44. switching off voltage powering the motor loading will not result in change of a direction of the device Search 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 m _ After pressing a key STOP search from Fref m _ After restart of frequd0ency 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 moment restrictions 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 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 moment on a drive shaft is 2 set up by means of parameters 1 43 and 1 44 Standard option is 150 from rating value of the torque Output frequency limit In order to exclude possibility of setting frequency which considerably exceeds
45. the network 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 group 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 10 6 Conditions of switching on off additional pump The additional pump is switched on under conditions e output signal of the PID regulator attains value of 100 e the level of pressure signal is less than referenced pressure by value of parameter 5 26 or more e 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 lt Selected Pressure par 5 26 gt 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 p
46. the unit changes only if there is value H on a a input If a L OUT remains without changes 1 NJ 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 b OUT a AND b AND OUT of the unit is logic product of values of inputs a b and b C OUT a XOR b OUT of the unit is a result of operation XOR exclusive OR on inputs a and b NO 21 NOT a OR b OR OUT of the unit is inversion of logical sum of values a b and c NOR 22 NOT a AND b AND OUT of the unit is inversion of logical product of values a b and NAND 23 NOT a Logic inversion of an input value a According to Truth Table a R b S Trigger RS Input R has the priority EN According to Truth Table a D b CLK c R N o1 Trigger D Latch C gt O 9 O x S 9 9 J 62 Function Output Description number OUT of the block The counter with reset and direction eS inputs OUT st ETESNRS The minimal period for CLK is 20ms It zan concerns all counters Current value of the counter a CLK b CLR c DIR Caution the output of this count
47. to the protruding rails for power supply and load the lower mounting hole spacing In modification A we use two identical housing mounted side by side JPU 3 The 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 i i START left or right actual parameter viewing and changing of converters parameters In the when local control 1 ae panel LCD display 2x16 symbols is used It has function es saa 5 of contrast regulation On a client s wish instead of LCD changing of display 6 digit LED display can be installed which has _ Ai OO if Changing of actual reference unit value advantage in case of necessity of good visibility at a great Drive STOP Changing of distance cancelling fault information previewed in message lower display line quick when pressed longer Exit from quick preview preview mode After switching on the converter to mains the control panel than 2s mode ae eal mode is switched on in the Base Mode in which both lines of the exit rom parameter edion Confirmation of display are occupied with parameters as it is shown on fig mode parameter value change 39 saving to memory Fig 3 1 Control panel the basic functions of the keys There is a possibility of programming
48. 0 mode l mode only 250V 3A AC DC AO1 in voltage mode 0 4 20mA 1 voltage 0 2 10V R gt 10kQ 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 tyoe MFC710 AcR Enclosure type A Enclosure type B Free space round the converter l SL 5 4 mo B ai 1 f 62 e It is necessary to provide free space round the converter for appropriate air circulation gt Modification Type of converter mm Weight Te a MFG710 AcR 5 5kW MFGC710 AcR 22kW MFCG710 AcR 30kW MFC710 AcR 37kW 2x75 2 114 154 2x90 2x130 188 2x90 2x130 223 TE N o1 MFC710 AcR 31 MFC710 AcR 315kW oar MFC710 AcR 450kW 1045 MFC71 MFC710 AcR S00KW 920 940 420 558 1090 1127 2017 Pa A sm e noe ol ada ace aso v0 220 Je e e 2 Cal Ga al la EEEE We also offer complete range of enclosed converters MFC710 AcR with degree of protection IP selected according to individual customer requirements approximate weight of the drive may vary depending on the version housing introduced in 2012 the dimensions increased due
49. 1 3 e YES 4 66 Usr3 Number of decimal places Number of decimal places for par 0 56 Usr3 4 69 Usr4 choice ee of source Source of data displayed as par 0 57 Usr4 PCH O et section 10 4 PCH O PCH 511 see section 11 4 70 470 Usr4 Unit Unit Unit of Unit of parameter 0 57 0 57 Displayed unit of Usr4 See table 11 3 e 4 71 Usr4 dec p Number of decimal places Number of decimal places for par 0 57 Usr4 O0 3 0 GROUP 5 PUMP GROUP CONTROLLER BLOCKS OF PLC CONTROLLER In v Source of linear speed Ref A0 from analog referencing unit 1 Ref A1 from analog referencing unit 2 Ref A2 from analog referencing unit 3 5 2 In F In F Source of force referencing unit Usr1 l Ref A0 from analog referencing unit 1 Selection of force Ref A1 from analog referencing unit 2 referencing unit Ref A2 from analog referencing unit 3 Selection of source of linear speed 5 3 max Max linear speed Linear speed which correspond to 100 0 of linear speed signal 0 00 320 00 m s 5 4 dmin Minimum diameter of a Determines minimum moment 0 0 3200 0 mm roller 5 5 dmax Maximum diameter of a Determines maximum moment 0 0 3200 0 mm roller 5 6 Mo Friction moment 0 Friction moment 0 0 100 0 PUMPS controller factory setting concerning set of factory settings number 8 5 10 Pumps Mode Activation of Pump Group Enabling pumps g
50. 2 95 K3 funct 2 Function 2 of K3 relay as above NotAct YES 2 96 K4 funct 1 Function 1 of DO4 as above Warn YES 2 97 K4 funct 2 Function 2 of DO4 as above NotAct YES 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 Temp Warn Threshold of radiator 0 80 C 70 C YES overheat warning 2 101 Br Rel del Delay of releasing external 0 0 12 0 s 0 0s YES brake 2 102 Br close n Speed above which brake 0 10000 rom rpm YES is being closed 0 0 0s ES 2 103 Br close t Device operation time 0 12 0 5 giving torque after which command to close the brake 15 send 168 Y 1111 1 2 113 Enable AcR AcR run permission Sw off We C1 We C6 Permission signal selection GROUP 3 FAILURES 3 1 Sw on therm Switching on blocking from YES enabled YES the thermistor builtin 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 0 100 0 YES protection current 3 4 therm 0 Setting of thermorelay for 0 0 200 0 50 0 YES stopped drive 3 5 therm Const Constant of drive heating 0 320 min 3 min YES NO 3 6 Energy Reset Resetting energy counter NO not active YES YES reset energy counter par 0 13 13 2 110 Op Perm External o
51. 300 5 30 s YES keyboard 3 70 Ext reset Source of external reset Sw off no possibility of external erasing a failure DI4 YES message DI1 DI6 erasing a failure by digital input 1 6 lt m 3 71 number Max number of automatic 0 no restarts restarts 1 6 number of restarts in time determined by par 3 72 3 72 AR time Time of restarts 0 1200 0 5 3 73 delay Restart delay 0 0 10 0s 3 74 AR low Udc Automatic restart after NO no restart Low Udc failure YES permission 3 75 AR hi Udce Automatic restart after NO no restart High Udc failure YES permission 3 76 AR hi Automatic restart after NO no restart High Current failure YES permission 3 77 AR hi temp Automatic restart after NO no restart High temperature of YES permission iii 60s YES 1 05 YES Z O lt m 1 1 11 O lt m radiator failure Z O lt m 3 78 Al Automatic restart after NO no restart Error of analog input YES permission failure 3 80 Failure 1 Failure Register 1 the Failure name read only most current record 3 81 Fa 1 time Register of time of Time h read only occurrence of failure from Failure Register 1 3 110 Failure 16 Failure Register 1 the Failure name read only oldest record 3 111 Fa 16 time Register of time of Time h read only occurrence of failure from Failure Register 16 GROUP 4 PARAMETERS B
52. A2 referencing maximum torque by a signal from analog input 100 0 maximum torque 100 Ref RC torque calculated by internal reeler calculator 2 10 Ref Torq B Torque referencing unit for as above 100 0 YES Control B 2 11 Ref min Referenced frequency Pii 0 0 Hz YES which corresponds to 0 of the referencing unit E pa l3 Ref unit 0 550 0 550 0 Hz p2 13 p2 11 2 12 Ref max Referenced frequency 0 550 0 Hz 50 0 Hz YES which corresponds to 100 of 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 minimum determined by par 2 13 f lt 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 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 2 16 Ref 2 16 Ref delay 2 16 Ref delay Ref unit switching on delay 0 0 12 0 5 0 0 5 YES 2 20 Motopot up Source of increase signal Sw off lack Sw off YES for motopotentiometer DI1 DI6 increase ref unit when there is a voltage referencing unit supplied on digital input 1 6 2 21 Motopot dwn Sour
53. A2 Value of the analog referencing unit 2 0 46 3 51816 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 Name The description fost 51 Version Version of the Version of the keyboard software software 0 52 RS Ref RS referencing unit Corresponds to the value written into the register 2001 through RS Hz rom 0 Joss RS PID Ref PID Ref RS PID Ref unit Corresponds to the value written into the register 2002 through RS 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 Parameter Function Available options measurement unit Factory Change Name setting during operatin g time GROUP 1 CONFIGURATION OF THE DRIVE Nominal power of the drive 0 2 630 0 kW Nominal NO power of the frequency converter 1 2 Rn Nominal engine speed 0 830000 rom 1450 rpm NO 1 3 In Nominal engine current 0 00 1140 0 Nominal NO current of the fr
54. CH PCH name 0 Switch Off 3 1 312 313 314 315 DI6 Switch on 1 TH Tn INI F E 20 Failure 10 Failure Alt 22 Failure Al2 23 29 0 Remote start Local start 32 RS start oo 3 Remote reverse oo 4 Local reverse 35 Ref unit sign 36 Below f_stop 37 START 38 Reverse 39 A B control 40 Enable RS 41 Operation permission 42 Fconst is active 43 59 Function value note Value always L logical 0 State of digital input 1 L OV H 24V State of digital input 2 L OV H 24V State of digital input 3 L OV H 24V State of digital input 4 L OV H 24V State of digital input 5 L OV H 24V State of digital input 6 L OV H 24V Value always H logical 1 Key F1 for future use Value always 0 Key F2 for future use Value always 0 Key F3 for future use Value always 0 Reserve Value always 0 H absence of living zero at the Analog Input O mode 2 10V 4 20mA H absence of living zero at the Analog Input 1 mode 2 10V 4 20MA H absence of living zero at the Analog Input 2 mode 2 10V 4 20MA Reserve Value always 0 H Remote Control digital inputs permits 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 This PCH operates also when local control
55. Hz YES frequency elimination range number 1 Minimum frequency of 0 0 Hz YES frequency elimination range number 3 0 0 550 0 Hz Maximum frequency of 0 0 550 0 Hz 0 0 Hz YES Parameter Function Available options measurement unit Factory Change Name setting during operatin g time 1 100 AcR mode AcR mode 0 AcR off state 3 NIE 1 AcR on when in ready state 2 ACR on when in run mode 3 AcR on when run mode and motor runs after AcR switchet on Zasilanie Gotowo START Sj Fout Par 1 100 1 Praca AcR Par 1 100 2 3 PracaacR si gt 1 101 Udc ref Reference voltage Udc ref 500 750V 620V 1 102 ref F Reference reactive current 30 0 30 0 100 equals In 0 1 103 AcR limit 1 0 150 0 100 equals In 110 0 1 104 L mains 0 000 32 767mMH 0 800mMH 1 105 kp Udc 0 32767 1650 1 106 ki Udc 0 32767 E 1 107 Kp Id 0 32767 2000 1 108 Ki Id 0 32767 5000 1 109 Kp Iq 0 32767 2000 1 110 Ki lq 0 32767 5000 1 111 nosna AcR 5 0 5 0kHz GROUP 2 REFERENCING UNITS AND CONTROL 2 1 B Ctrl unit Switching on variant A or B Sw off Control Sw off of control DI6 igital DI1 DI6 A B choice by means of digital input Control A enabled 2 2 Ref unit A Choice of a re
56. LOCKING CONFIGURATION OF RS DISPLAYING AND USER REFERENCING UNITS YES Read only Read only Read only Read only HEE 4 1 Par block Parameters blocking YES modification of parameters is blocked Do not apply NO modification of parameters is unblocked 4 2 Level CODE Access level reading Access level ALO AL2 Do not apply Access code writing Access code 0 9999 4 3 New CODE Change of access code to New access code 0 9999 Do not apply current access level YES YES NO YES 4 4 Fact set Loading factory settings access level AL2 required Do not apply 4 5 En EEPROM 11 Blocking of EEPROM writing YES Switching on blocking of writing to EEPROM memory parameters can be changed however they won t be remembered after shut down of power NO parameters are normally written to EEPROM the access level AL2 is necessary Z O O W YES values of parameters which are pointers e g YES Par 4 7 are possible to change in full range PCH O PCH 511 Sw off operation through RS prohibited Sw off YES 4 6 Full ptrs Full pointers 4 7 RS perm Permission to work 11 DI6 enabling RS permission by digital input Sw on operation through RS permitted through RS 4 8 RS baudrate Transmission speed 1200 2400 9600 19200 bps 9600 YES Parameter Function Available options measurement unit Factory Change Name setting during operatin 4 9
57. OLLER BLOCKS OF PLC 9 8 3115 55 55555 77 GROUP 6 PLC CONTROLLER UNIVERSAL BLOCKG ccccccccccccsseessseeeeeeesseessseeeeeesseeasseeeeeeesseeaseeeeeeeseeneesgs 80 DECLARATION OF CONFORMITY e 81 SPECIFICATIONS Table 0 1 Specifications common for frequency converters of the MFC710 ACR series Voltage Uin three phase power 400V 15 10 Power Frequency 66Hz Output voltage Uin V Output Frequency 0 0 400Hz Frequency resolution 0 01Hz vector Modulator SVPWM U f linear square law scalar Vectorial DTC SVM without sensor Vectorial DTC SVM with sensor of the rotor position System Switching frequency 2 15kHz also random carrier Analog inputs control panel motopotentiometer PID regulator communication unit RS232 or RS485 and other possibilities Operation mode Rotation speed setting Resolution of 0 1 for analog inputs or 0 1Hz 1 rom for the control panel i RS 3 analog inputs AlO voltage mode 0 2 10V Rin 2 200kQ 11 Al2 voltage mode 0 2 10V Rin 2 100kKQ current mode 0 4 20mA Rin 2500 Operation mode and polarity are chosen by parameters and switches Accuracy 0 5 of the full range Control inputs outputs Digital inputs 6 digital sep
58. R H differs from 0 SET Force transition into a STATE determined by input SETVAL when SET H the priority is lower than CLR SETVAL STATE to which the frequency converter passes after supply of signal SET a range 0 7 there are only 3 youngest bits 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 0 7 5 only 3 youngest bits are important on the output of the multiplexer PCH number 313 or 3 314 value from an appropriate input from 88213 p 584 PCH 314 InO up to In7 is transferred It is possible to 2 p switch off the multiplexer input Sw on then 2 58 p 587 input value of DVAL input is transferred to the 335 Fe output Parameter PRIOR can adopt a value 5 from 1 the most high priority up to 48 see the description of a sequencer operation Fig 12 4 Multiplexers MUX1 and MUX2 section 11 2 As in sequencer most parameters inputs are pointers They are presented in fig 12 4 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 ref
59. Switch off DI5 Switch off Switch off Switch off Switch off 2 22 1 1 1 1 0 1 1 1 1 2 23 10 0s 40 0 5 10 0 s 40 0 5 50 10 0 5 10 0 5 10 0 5 40 0 5 2 30 315 315 315 Switch off Switch off 314 314 315 Switch off 2 31 316 316 DI6 Switch off Switch off DI5 DI5 DI6 Switch off 2 32 Switch off Switch off Switch off Switch off Switch off DI6 DI6 Switch off Switch off 2 68 2 2 2 0 2 2 2 1 2 2 0 Os os los os los Os Os 60s os 3 10 313 313 Switch off Switch off 313 Switch off Switch off Switch off Switch off 3 70 314 314 314 314 314 Switch off Switch off Switch off Switch 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
60. ae one In case of defining sequencer as functional unit corresponding inputs A 8 p 550 TIMES MODE 8 kua 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 3 54 nen PCH 312 SEQ FCH 312 551 HEXT p 552 PREY 2554 p 553 CLE 5 555 SET AL p 540 5 ON Fig 12 2 PLC Sequencer 49 b TIME TIME2 TIME1 Fig 11 3 Undisturbed without failures operation of a sequencer for LEN 4 a Example of input use NEXT and CLR 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 sequences A range of a time 0 1sec 6553 5 sec interval 0 1 TIME 8 sec Constant Values see section 3 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 CL
61. alue 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 threshold 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 regulator 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 OutPID Current value of PID regulator output READ ONLY FER 5 3 O0 8 2 Restriction of saturation and SLEEP function When the positive or negative error of regulating is kept some time it can result in saturation of the PlD regulator To prevent this phenomenon it is necessary to limit output value of the regulator e the lowest output value par 2 67 by default 0 0 e the highest output value par 2 66 by default 100 0 Function SLEEP of the PlD regulator enables to shut down automatically the drive when output value of the PlD regulator 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 KPKT ASTES Pai TKpE AID e Error Kp par 262 14 par 2 64 Mid par
62. ameters Of the 016 4 17 4 1 1 Preparation for operation in a vector control MOE 17 7s ed a4 6 8 Ne TS oY T TE MOTO EOE 5 0 E EO RR 17 42 OCU Ol ONMUOl cates Beaten ace a aene eG tat ade eee tees 17 AZ 2 GO Ol frome COMO DAM lise Sexcecccaset ad cate a A E 20 A 2 3 Control through terminal connections sever ica 5 20 A OA Work with constant SDC COS sie 6 1 5 8 ania 1 42 SA MOtopotentiomelE 1 4 2 6 Other possibilities of the frequency Converter 0 1 1 55 2 4 2 7 Configuration of digital and analog inputs and 0 1 15 55 22 43 6 611116171 11911861 101 1 011861 57 5 66 a 5 25 4 3 1 Establishing dynamic characteristics and ways of halt
63. ameters 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 e 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 on fig 3 10 OBLIGATORY CONDITION IS THE KNOWLEDGE OF THE ACCESS CODE ar ae Pea Fig 3 10 Unblocking of access to parameter setup AL access level a The access level 0 is necessary to enter CODE 7 to have an opportunity of parameters changing input CODE 1 c 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 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
64. an 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 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 same principles Filtration Use of the EMC filter limits noises spreading from electric drive system to mai
65. arated inputs 0 15 24 V Rin 2 3KQ 2 outputs 0 2 10V 0 4 20mA configuration with the help of parameters and switches accuracy 0 5 3 relays K1 K2 i K3 breaking capacity 250V 1A AC 30V 1A DC 1 open collector output 100 Fully programmable signal source Connectors RS232 RS485 with optoisolation Communication protocol MODBUS RTU Function 3 Read Register Function 6 Write Register Communication Transmission speed 9600 19200 38400 or 57600 bit s ABOICALOR Remote control of unit operation and programming of all parameters of the pp frequency converter 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 Analog inputs Analog outputs Digital outputs PID regulator 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 PLC controller Up to 5 pumps in a cascade Control with use of PID regulator
66. ared to rated torque 154 Torque percent Resolution 0 1 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 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 136 Drive voltage percent voltage Resolution 0 1 Value without a sign always positive 157 PID error Value of present error of PID regulator error PID input PID ref unit Resolution 0 1 158 Value of the PID regulator 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 E 159 Drive temperature Estimated drive temperature in resolution 0 1 Value of PID regulator input It serves for connection of regulated process signal This is a copy 160 PID Input of PCH determined with parameter 2 71 Output of pump control system ref unit Value of this PCH should be chosen as a main ref unit 161 Farerai of the electric drive in Fast Review operation mode without PID regulator parameter 2 2 or 2 3 Speed of the process Value of
67. ary to mount the circuit of control of pump group as on 10 2 Switches S1 S2 and S3 enable to change a configuration of pump as switched off 0 switched on directly from a network R controlled automatically by the frequency converter A 41 MFC710 Kl K2 K3 InCl 24V InC2 24V 3 24V oer Fig 10 2 Control circuit of 3 pumps group On 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 gt pump par 2 92 77 gt pump2 par 2 94 78 gt pumps 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 cont
68. as above as above as above as above 5 142 Const 23 CONSTANT 23 32000 32000 Copied to PCH 342 ly YES 5 143 Const 24 CONSTANT 24 32000 32000 Copied to PCH 343 YES 5 144 Enab PLC Enable PLC Enabling PLC control NO none of PLC block is active YES PLC enabled 5 145 Blocks am Number of blocks 1 50 Number of block executed by PLC o GROUP 6 PLC CONTROLLER UNIVERSAL BLOCKS 6 1 Block no 1 Function of block 1 0 39 see Appendix 8 6 2 Inp A 1 Input A of block 1 PCH O0 PCH 511 PCH 0 6 3 Inp B 1 Input B of block 1 PCH O PCH 511 Parameter is accessible or not PCH 0O depending on function of block par 6 1 6 4 Inp C 1 Input C of block 1 PCH 0 PCH 511 Parameter is accessible or not PCH 0O ao on function of block par 6 1 6 5 65 Block no 2 no 2 Function of block2 of block 2 39 see Appendix 8 6 6 Inp A 2 Input A of block 2 PCH O PCH 511 PCH O 6 7 Inp B 2 Input B of block 2 PCH O PCH 511 Parameter is accessible or not PCH O depending on function of block par 6 5 6 8 Inp C 2 Input C of block 2 PCH 0O PCH 511 Parameter is accessible or not PCH O depending on function of block par 6 5 20 69 6188 as above as above ss as above as above ES 6 189 Block no 48 Function of block 48 00 39 see Appendix B 6 190 46 Input A of block 48 PCH O PCH 511 PCH 0 6 191 Inp B 48 Input B of
69. ation Hz 133 p 3 as fmax Se Configuration AI1 POH Ios ora T x Parameter 2 41 b PCH 135 8 referencing 0 10 2 10V PCH 136 0 20mA 4 20mA PCHB7 0 0 eee FILTER par 2 50 a pag Switch of mode choice on e i Par 2 11 2 12 voltage on current PCH 139 a ee pos Switch on f const Configuration AI2 2 42 PCH x Al Par 2 30 referencing 0 10V 2 10V 0 20mA 4 20mA 1 8 11 1 PCH x A2 Par 2 31 FILTER par 2 51 Enable 5 Switch of mode choice on PCH 40 PCH x A3 Par 2 32 voltage on current par 4 7 PID regulator Parameters 2 70 2 71 2 72 2 73 214 215 Lf MOTOPOTENTIOMETER Parameters 2 20 2 21 2 22 2 23 RSreferening Hz Register 2001 MODBUS Hz U f or sec vector Choice of f const Al A2 A3 Or Or Or io 2 tt gt Output No f const f const 1 par 2 33 f const 2 par 2 34 f const 3 par 2 35 f const 4 par 2 36 f const 5 par 2 37 f const 6 par 2 38 f const 7 par 2 39 Par 3 23 3 30 3 40 3 50 3 60 3 65 Signal Blocking of electro drive W
70. be choosen 11 3 Modification of standard control Part of parameters in the frequency converter Fig 11 1 Principle of selecting PCH with help of the pointer MFC710 AcR are defined 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 Ba al Fig 77 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 regulator 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 differe
71. ble 10 3 Par 4 65 Quantity of decimal places of par 0 55 0 3 Par 4 66 The pointer to PCH which contains 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 a b 0 57 belong to group 0 of parameters they 8 2 can be presented on the display of the control panel in a base mode or in mode of Fig 11 4 parameter 0 54 Usr1 in group a in the Base mode due to set up of parameter 4 10 on value par 0 54 b fast review see section 1 3 and due to this to receive effect as it is shown on fig 11 4b Table 11 3 predefined measurement units No Unit No Unit No Unit No Unit No Unit No Unit 11 5 The control panel definition of user referencing units Directly through Control panel with keys it is possible to change value of referencing units of frequency rotation speeds of the PID regulator and also of one of four User Referencing units UR1 UR2 UR3 or UR4 The User Referencing unit can be used for example for quick control of process in connection with built in control system PLC for example refer
72. block 48 PCH O PCH 511 Parameter is accessible or not PCH 0O depending on function of block par 6 189 6 192 Inp C 48 Input C of block 48 PCH O PCH 511 Parameter is accessible or not PCH O depending on function of block par 6 189 ves 58 80 We z DECLARATION OF CONFORMITY Sn Manufacterer s name aktad Energoelektroniki TWERD Manufacterer s address KONWALIOWA 30 87 100 TORUN POLSKA PHONE 056 654 80 91 FAX 056 654 69 08 Www twerd ol twerdiadtwerd pl Declare at our own responsibility that product Product s name Frequency converter Type MFC 10 kW Installed and used according to User s Manual recommendations meets the requirements of Polish standards Safety EMC PN EN 50178 2003 PN EN 60204 1 2001 PN EN 61800 3 1999 A11 2002 which are equivalent to European standards harmonized with directives 73 23 Low Voltage Devices LYD SS 336 EEC Electromagnetic Compatibility EMC
73. cated to make apropriate connections Type of mains choke and protections is available at producer s representative It is strogly recommended not to use any switches or contactors at the converter output that could disconnect system during the run The MFC710 AcR converter is fed from the three phase 3x400V mains In the fig 2 1 the scheme of power circuits connections is presented St 1 1 Initial resistors Overcurrent a 1 1 Transistor Transistor protection input bridge output bridge gR or aR Input filter K Power OE 266 aie 1 line 2 l SIL A AEL NA i Se E Initial Initial nitra charge Initial charge contactor switching olan contactor acknowledgement switching gol Initial charge cotactor switching permission K Initial charge contactor Fig 2 1 Connection of power circuits to MFC710 AcR converter Table 2 1 Long term current load of copper wires with PVC insulation in ambient temperature 40 C for HELUKABEL TOPFLEX EMV 3 PLUS 2YSLCY J 600 1000 V No cores x Power ra
74. cccesseceeceseeeceecceeecececseaeeeeesaeauceceseaaeeeeseaaeeeesseaueeesssaaaaaaeseeeeeeess 33 6 2 4 Readiness to restart if the reason of failure has not GiSAOPEAred ccceecccsseecceececeeeeceeceseeeeesaeeesesseeeeees 33 270 ULOMIALIC 2 11211 eas ne he ae nace a esate 34 6 3 10 6 61 2 61 7211 1716 6 icine N nazenseeaaented 34 O24 FANUC NOG E A deuce E E E A E EITTERA 35 Te SOLS Of WAGIOLY Dalai Cle tS asic cise ee meee 37 SPID OOO e a E E E E 38 8 1 Turning on and a configuration of the PID reQulator ccccccsececcsseeceeseeeceseecceuseeceaseecsaseeeseaseseseaseessensessseess 38 8 2 Restriction of saturation and SLEEP 0 2 Rh ae ive a ea ee 39 SR rels elgesi deike aT 40 9 1 1111101131 and configuratonof ROssissai nae iR a E EA a a 40 AOS PUI COU COMO MS ett ch tg cha ai a a R ses 41 10 1 Parameters of a pump group controller niente anne Seka or Abe 42 10 2 T rming on pump group controlet creian cal ea suede teat 8 ERGERE 42 10 3 An operating mode with the PID regulator and a mode of direct CONTIOL ccceeeececseeeeeeeeeeeeseeeese
75. ce of decrease Sw off lack Sw off YES signal for DI1 DI6 decrease ref unit when there is a motopotentiometer ref voltage supplied on digital input 1 6 unit 2 22 Motop mode Motopotentiometer mode 0 pushing STOP button causes resetting of 0 YES motopotentiometer settings 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 memory There is a possibility of changing this setting during stoppage 0 1 2 modes applied when current ref unit par2 2 par2 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 5 10 0 5 YES of motopotentiometer ref 0 0 70 Parameter Function Available options measurement unit Factory Change Name setting during operatin g time 5 W1 gt 0 Sw off YES DI1 DI6 W1 1 when there is voltage supplied on digital input 1 6 2 30 fConst0O src Source of W1 signal for referencing constant speeds 2 31 fConst1 src Source of W2 signal for as above Sw off YES referencing constant speeds 2 32 fConst2 src Source of W3 signal for as above Sw off YES referencing constant speeds
76. ceptable error Fail device will stop and message will be 3 55 AcR fail Re AcR fail reaction 0 no reaction 1 Warn TAK displayed O 1 11111 wn lt m O lt m 3 50 Re Underl Response to underload No no response displayed 1 Warn a warning will be displayed device keeps Kind of failure can be read in parameter 0 78 ie 3 60 Re RS lack Response to lack of No no response 0 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 as Warn 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 Parameter Function Available options measurement unit Factory Change Name setting during operatin g time 3 65 Re key lack Response to lack of keyboard only for referencing from keyboard No no response Fail YES Warn a warning will be displayed device will keep working with referenced frequency Fail the electric drive will stop and the message will be displayed f_last as Warn Frequency will stay on an average level from last 10s Fconst7 device keeps working with frequency f ii const 7 3 66 k lack time Acceptable time of lack of 0
77. 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 will not result in changing current parameters ATTENTION Procedure of record reading can be made only when the drive is stopped 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 time defined by par Code of failure 3 712 Name of failure _ _ red LED is lighting 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 stop Warning code Warning name 512 __ Blinking red LED Fig 6 2 Example warning message In both cases functioning of a control panel is not blocke
78. control source signals Par 2 2 Ref unit Par 2 4 START Blocking Speed Constant frequencies The control panel Analogue inputs Strips of a frequencies cutting Constraint of control START STOP with RS Digital inputs RS Control place B Choice of a control source Par 2 3 Ref unit Par 2 5 START PID regulator Another sources Loses SS See ee ed Fig 4 2a Simple diagram of control Configuration of Sel AO Par 2 43 2 46 scale and offset m gt PCH 144 Configuration of Sel Al AIO All AI2 PCH 145 Par 2 44 2 47 o scale and offset Configuration of Sel A2 PCH 14 Par 2 45 2 48 K i scale and offset Hz U f or Selector A Convertation Hz Panel sec oe PCH 133 2 2 inns hes PCH 134 i 100 0 PCH 164 PCH 39 PCH 135 Ref unit A par 2 1 PCH 136 PCH 137 A a 9 Configuration AIO PCH 138 i m re Parameter 2 40 o Par 2 11 2 12 1 eee referencing 0 10V 2 10V a 0 20mA 4 20mA Es FILTER par 2 49 PCH x Tae Switch of mode choice on aaa voltage on current Selector B Convert
79. d 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 found 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 disappeared l 2 Sie If one of the methods mentioned in sections 6 2 1 6 2 3 deleted 2 ws 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 BLINKING yellow LED When the reason of failure will disappear automatic restart of the electric Fig 6 3 Ready to restart drive will begin 33 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
80. d 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 m Change of control place B e g with the help of a digital input par 2 1 m 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 regulator 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 Digital inputs Frequency converter has 6 digital inputs designated DI1 DI6 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 with the help of parameter 0 48 fig 4 7a 110000 means that voltage 24 V is sent on DI1 and DI2 a b Fig 4 7 Reading of digital inputs state a St In and outputs b St Out 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
81. 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 Timp B 5 T T TRIG for L TRIG for C H C polarity T a 1 par 5 145 x 0 2 ms 63 Function Output Description number QUT of the block Pulse is positive or It is analogous to function 32 Difference inputs b and are pointers it is possible to negative change a pulse duration and its polarity in PLC operating mode Generator signal I B T a ENABLE Tor O T B C times periods Impulse delayed Top B T T C T a input impulse Detection of the next B C delay times pulse begins in points W1 and W2 Switch on switch off function with delayed shut down a switching on impulse leading edge b switching off impulse leading edge C delay on shut down Switch on switch off Top C T If the pulse function with delayed b appears in time Top switching on switching on will not take a switching on impulse place leading edge b switching off impulse leading edge C delay on switching on The filter of ana
82. e switch J1 2 83 AO2 Cfg Configuration of analog as above 0 10 V YES output Current mode switch 2 84 AO1 Scal Scale of analog output 0 500 0 100 0 YES 2 85 AO2 Scal Scale of analog output 0 500 0 100 0 YES 2 86 AO1 Fitr Constant of time of lowpass filter 100 0 01 50 005 Parameter Function Available options measurement unit Factory Change Name setting during operatin g time 2 90 K1 funct 1 Function 1 of K1 relay NotAct relay not active Ready YES Work active when there is voltage supplied to motor Ready device is ready to work Fail a failure has occurred n Fir not failure Warn a warning has occurred Wr Flr a failure or warning has occurred Fthr1 F threshold 1 exceeded Fthr2 F threshold 2 exceeded Fref referenced frequency reached Temp Wr warning of exceeding programmed threshold of radiator temperature An Wrn 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 Br brake control 2 91 K1 funct 2 Function 2 of K1 relay as above NotAct YES 2 92 K2 funct 1 Function 1 of K2 relay as above Work YES 2 93 K2 funct 2 Function 2 of K2 relay as above NotAct YES 2 94 K3 funct 1 Function 1 of K3 relay as above Fail YES
83. e unit unit 48 which has number 303 are 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 4 up to 6 7 concern the Unit 2 parameters from 6 8 to 6 11 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 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 12 2 Sequencer device 7 SEQUENCER eee The sequencer fig 11 2 allows programming up to 8 cyclically repeating 5 543 TIME 1 MODE 1 kua Operation modes of the converter with the determined times of duration of 5 544 TIME 2 MODE 2 8 5 Separate modes Inputs marked out by arrows are pointers they take the data ee w va from PCH determined by the specified parameter Input LEN is an ordinary p 54 TIME 5 MODE 5 PLA Ae parameter ee
84. eeceeeeeeeeeeaeeeeeeseeeeeeeeeseaeceeesaeaeseeessaaseeeesaaaeeeesseeeeeneess 53 13 3 Handing Or COMMECIION Girora rao aa a E 9 822 919 9 902292222291 i 55 14 Information from tne manufacture einean a Andee eee a Aiea eee 55 PONCE CE IMNC ALCS 5676775557 7 57 2 E 26 Appendix Table of Characteristic POints cccccssccccccsseececcceseeeccceeueeeccseeuseeecseuuseeeeseaueeeessauuseeeessaeeeesseageeeessagseeesenas 57 Appendix B Table of Functions of Universal 25988 51 5928282588 61 Appendix C Table of MFC710 AcR frequency Converter S 65 GROUP 1 CONFIGURATION OF THE 8 3 2 535 2 45 845 arra 8 Sera 66 GROUP 1212 1011 1 8 1172 11569 86 7 07 a e 69 GROUP PAIMURE Scie ieee eae at eae ioc a a ola 73 GROUP 4 PARAMETERS BLOCKING CONFIGURATION OF RS DISPLAYING AND USER REFERENCING UNITS 776 1 75 GROUP 5 PUMP GROUP CONTR
85. eeeeeseeeeseaaees 42 10 4 A configuration of pump amount and operating modes of separate pumps blocking Of 5 43 10 5 Montong WORK OF DUMPS ces r a atten 43 10 6 Conditions of switching on off additional 9 43 106 1 Priority of switching on off additional DUMPS ssie meesi eaaa aa aoe EEA 44 10 7 1 1 91011 111688 19 121912 11 gt 01 0611 81711116 227 7 7 7776 7 7 7555 77275 777 5 6 7 7 7 7 9 45 11 Advanced programming of MEG cecal EAEE a den ee eee 46 1 1 1 11 1110 10 116 11 1 3111163 11 2111 E A 46 11 2 PCH and the pointers NOW does it 0 55 559 46 11 3 Modification 61 6 12 1110 1 90561 11 0 006559 5 7650 6 46 11 4 The control panel defining displayed values 44 47 11 5 The control panel definition
86. encing 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 gt 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 gt the Referencing unit of the PID regulator par 2 60 it is not set up on the referencing from the Panel gt parameter 4 30 Choice User Referencing unit is set up on value 1 for UR1 2 for UR2 3 for UR3 or 4 for UR4 Value defines choice of active referencing unit On fig 11 5 change of the Fig 1 15 User Ref unit 1 UR1 the Referencing unit for par 4 30 1 is shown measurement unit is set up on item Each of four User Referencing units UR1 UR2 UR3 and UR4 has parameters which define m an allowable range of referencing unit m displayed measurement unit as in Table 1 5 m 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 SU4 PCH 178 UR1 PCH 179 UR2 PCH 180 UR3 PCH 181 UR4 47 11
87. encing unit keyboard resolution 0 1 Hz e g 500 50 0 Hz range is 133 Keyboard ref unit determined by parameters 2 11 and 2 12 Value corresponding to voltage current of analog input 0 resolution 0 1 Hz range 0 1000 ioe Input AQ 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 0 0 100 0 It depends on parameter 2 41 Value corresponding to voltage current of analog input 0 resolution 0 1 Hz range 0 1000 ie eos 0 0 100 0 It depends on parameter 2 42 137 PID Output Output of PID regulator resolution 0 1 range is determined by parameters 2 76 and 2 77 138 Motopotentiometer Ref unit of the motopotentiometer resolution 0 1 range 0 1000 0 0 100 0 H Value of the frequency ref unit which is transmitted through RS connection resolution 0 1 Hz 139 RS ref unit Sign determines direction of the electric drive rotation 140 Additional motopot Additional motopotentiometer Resolution 0 1 range 0 1000 0 0 100 0 ag 141 PID motopot Referencing unit of motopotentiometer for PID regulator 58 PCH PCH name Function value note 142 RS PID ref unit Value of PID regulator ref unit which is transmitted through RS connection resolution 0 1 143 PID keyboard Value of PID regulator referencing unit from control panel Interval is 0 1 144 Value AO Value of analog inpu
88. ening main contacts conforming the EN 60947 3 requirements e tripper conforming the EN 60947 2 requirements User is obliged to fulfil this requirement Emergency stop In order to comply with EU directives and PN 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 installation principles reducing EMC problems are divided into four groups To achieve full success it i
89. ent If additional ventilation 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 on 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 te s is provided by motor manufacterer 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 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 s 2 5 75 16 23 31 11 19 6 34 15 20 29 39 9 4 4 4 2 Protection with help of thermorelay fuse or thermistor built in the drive With purpose of protection from overheating it is possible to use thermorelay or thermistor built in the drive The digital input 6 DI6 is used for connecting signal to the converter It is necessary to set up a switch J5 depend
90. equencer 2 8 8 YES states 5 43 Seq time 1 Time of 1st state duration PCH O0 PCH 511 PCH 320 YES Constant 1 5 44 Seq time 2 Time of 2nd state duration PCH O0 PCH 511 PCH 321 YES Constant 2 5 45 Seq time 3 Time of 3rd state duration PCH O0 PCH 511 PCH 322 YES Constant 3 5 46 Seq time 4 Time of 4th state duration PCH O0 PCH 511 PCH 323 YES Constant 4 5 47 Seq time 5 Time of 5th state duration PCH 0 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 0 PCH 511 PCH 327 YES Constant 8 11111 Parameter Function Available options measurement unit Factory Change Name setting during operatin g time 5 51 Seq Nxt Source of next state PCH O PCH 511 PCH O signal disabled 5 52 Seq Prv Source of previous state PCH O PCH 511 PCH 0 signal disabled 5 53 Seg Clr Source of sequencer PCH O0 PCH 511 PCH O restart signal disabled 5 54 Seq Set Source of sequencer PCH O PCH 511 PCH O setting signal disabled 5 55 Seq SV Sequence to which PCH O0 PCH 511 PCH O value 0 sequencer 0 sequencer block will be set 5 60 En Mux1 Signal of switching on PCH 0 PCH 511 PCH 0O MUX1 YES PLC block after Seq Set signal 5
91. equency converter 1 4 Un Nominal engine voltage 1000 V 380 V 1 5 fn Nominal engine frequency a 0 0 550 0 Hz 50 0 Hz 1 6 PF nom Nominal cos on of the 0 50 1 00 0 80 engine 1 10 ID run Identification of engine s NO without identification equivalent circuit Don t run only for stopped drive parameters Run 25Hz test at 25 Hz Run 50Hz test at 50 Hz 1 11 1 16 Resistance stator Resistance stator windings 0 32 000 Ohm 0 000 Ohm 1 12 Rr Resistance of rotor 82 000 Ohm 0 000 Ohm windings 1 13 Lm Main inductance Lm 0 0 3200 0 mH 0 0 mH 1 14 Ls Stator inductance Ls 0 0 3200 0 mH 0 0 mH 1 15 Lr Rotor inductance Lr 0 0 8200 0 mH o 0 0 mH 1 16 Add L Additional inductance in 0 0 10 0 mH 0 0 mH stator s a inductance of wires 1 18 Store mot Storing specified 0 resignation from writing parameters 1 4 memory buffers designed for writing 1 19 Read mot Reading specified resignation from reading parameters 1 4 memory buffers designed for reading 1 20 Oper mode Device operating mode U f lin operation in scalar mode linear U f lin characteristic U f sq as above Square law characteristic Vector 1 vectorial mode without sensors Vector 2 vectorial mode with encoder 1 21 f carr Frequency of keying 2 0 16 0 kHz 5 0 kHz 1 22 f rand Random modulation 0 percent of changes in carrier frequency
92. er can assume positive and negative values in range lt 32768 32767 gt CLR Current value of the counter a CLK b SET c initial value One shot counter type counting down with an input setting on initial value SET and an input of initial value Current value of the counter a CLK b ENABLE c max value The modulo up counter with an input of max value and with an input of the account permission ENABLES f out f_in 2 C a f_in b ENABLE C the divider The divider of frequency with ENABLE input OUT 3 3 Current value of the The counter up with an input of counter permission ENABLE and reseting by ma T a CLK b ENABLE c inverting CLR s NOT CLR l H Caution after overflow max 65535 the ENA 9 1 1 counter starts with null ae Sede Se eee a ax YUU UU UU UUN JULI 0 7 depends on state of 1 The binary decoder It replaces binary coded number with a decimal number in a band inputs a b 6 lt 0 7 gt according to the table a b OUT 0 1 0 1 0 1 0 1 Positive or negative Caution the minimal
93. erature sensor or of connecting wires Call service Temperature of converter s Check efficiency of heating environment is to low Check connections of the converter motor check resistance of drive windings replace the motor The drive failure or absence of output phase damage of a wire Check and correct parameter settings which refer to underload of the converter Parameters of a underload are incorrectly determined Check a signal at digital input DI3 which is chosen as an external failure Check the signal at digital input D14 which is chosen as an external failure Check connections wires plugs etc Failure of sensor or connecting wire Too high anti torque failure of the operating device to low power of the converter Check operating device jam increase voltage of the frequency converter Interferences or damage of a cable connecting a control board with the converter Failure of a cable parameters of the Check external connections and transmission are incorrectly set up validity of RS parameters Voltage oscillation of power source Check connections wires plugs etc Operation device rolls the motor up or there is a big readjustment of the speed regulator Modify the speed regulator option Failure of encoder or connecting wires Check connections wires plugs etc Parame
94. erencing 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 20 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 Ha a a a 5 107 Y3 parameter y points 3 range 32000 32000 5 102 X1 parameter x points 1 range 32000 32000 X4 parameter x points 4 range 32000 32000 5 103 Y1 parameter y points 1 range 32000 32000 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 Y5 parameter y points 5 range 32000 32000 5 106 X3 parameter x points 3 range 32000 32000 CAUTION conditions X1 lt 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 nece
95. esponds to value of an analog input 0 increased 5 times Value PCH 256 PCH 134 5 which means it changes in limits from 0 to 5000 0 0 500 0 l l l fig 12 6 PCH 134 nat UNIT and function 2 PCH 320 Cons 1 PCH 356 Un 1 51 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 ee ee nee ee ee TASK To modify the process of drive start up in such way that l the speed characteristics of a drive would look just like it is shown on fig 12 7 On fig 12 7 it is possible to distinct three zones the First zone slow acceleration Dynamics 1 Il zone the established speed and also Ill zone fast acceleration Dynamics 2 2 Frequency converter MFC710 AcR allows to Set up 2 different Ni rates of acceleration and braking Dynamics 1 and Dynamics 2 These rates are determined by parameters 1 30 1 31 1 32 1 33 Parameter 1 36 decides which dynamic is currently active The parameter 1 36 is a pointer and consequently it can be set up so that one of PLC units decides about dynamics On 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
96. external signal two 8 input multiplexers which connect to an output one of eight input values depending on control signal 5 point formation unit of curve X Y which can be used for example as the referencing unit with the certain characteristic 24 programmed constants accessible also as PCH can be used as factors in calculations 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 PCH depending on the selected p gt Ch 319 Ch function pointers or constant Input Ch C parameters Each unit has one 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 Inputs A B and C depending on function of th
97. ferencing Keyb frequency ref unit from the panel Keyb YES unit for Control A Al0 Al2 referencing frequency by signal from analog input 0 2 OutPID referencing frequency by PID regulator 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 Ald YES unit for Control B 2 4 Start A Choice of a source of InDig 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 InDig YES START STOP signal for Control B 2 6 Dir A Choice of signal of as above Keyb YES direction control for Control A Sw on Control B Parameter Function Available options measurement unit Factory Change Name setting during operatin g time 2 7 Dir 8 Choice of signal of as above InDig 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 impulse DI1 START impulse DI2 STOP 3 as above plus DI3 direction 4 011 START STOP 2 9 Ref Torq A Torque referencing unit for see also par 1 43 and par 1 44 100 0 YES Control A Ref A0 Ref
98. g 10 6b which is currently working is switched off The first checked pump is the pump which is located in sequence on the previous position to the main pump e g when the main pump is P2 the first in sequence is P1 Fig 10 6 Sequence of switching on a and switching off b of the additional pumps Example 1 If the main pump is 2 switching on sequence of additional pumps is following P3 P4 P5 P1 switching off sequence Pi P5 P4 gt 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 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 44 10 7 Automatic replacement of pumps After time of leading pump operation determined in hours by parameter 5 2 expires Pump Control switche
99. hen frequency is low par 2 13 and par 2 14 TAK YES Ee E e E nee STOP f const 7 par 2 39 Min frequency or frequency Task constraint with RS only when Enable RS PCH 40 1 about value PCH 40 determine par 4 7 81 5 of register 2000 MODBUS 1 Fig Complete structure of MFC710 AcR control Section of frequency referencing unit and direction of rotation Last Frequency eee NE NEN ea Z 14 Absence of constraint RS 2 Par 2 13 2 lt e par 1 65 y Change of ref unit sign determine direction of rotation May block direction of rotation Cutting stripes of frequency par 1 90 1 91 1 92 1 93 1 94 1 95 REWERS PCH 38 Signal of device START STOP Value of this one signal makes changes in ref unit sign and direction of rotation of source eg selecting direction from control panel p Ref unit PCH 166 Referencing of operation frequency and direction of rotation active at this moment DII 1312 313 BLOCKING If fault
100. hose 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 necessary 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 Re PID Motopotentio Constant Regulated Pumps Winding Ne mote meter Frequency torque 1 20 U f line U f line U f line U f line U f line U f line Vector U f line Vector1 1 65 Reverse Reverse Reverse Reverse Reverse Reverse Reverse Right Reverse 1 Switch off Switch off DI3 313 Switch off Switch off Switch off Switch off Switch off 2 2 Key Key Key OutPID Motopot Key 100 OutPID 100 2 3 AIO AIO AIO AIO Key AIO AIO AIO AIO 2 4 Key Key Key InDig InDig Key Key Key Key 5 InDig InDig InDig InDig Key InDig InDig InDig InDig 2 6 Key Key Key Key InDig Key Key Key Key 2 7 InDig 019 InDig InDig Key InDig InDig InDig InDig 2 9 100 100 100 100 100 100 100 Ref RC 2 10 100 100 100 100 100 100 100 Ref A1 2 20 Switch off Switch off Switch off Switch off DI6 Switch off Switch off Switch off Switch off 2 21 Switch off Switch off Switch off
101. igital inputs Sw on pump disabled 5 20 P5 active Pump 5 activation Sw off pump disabled DI5 YES DI1 DI6 pump enabled by one of digital inputs Sw on pump disabled Time of automatic 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 pump 10 0s 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 5 25 f thresh F threshold Frequency of enabling additional pump 0 0 50 0 25 0 Hz YES Hz 5 26 Insensiv Insensibility Insensibility of enabling disabling additional pump 10 0 YES 0 0 20 0 5 27 Ref choice Selection of referencing unit for pumps control 5 21 Rep time Source of pressure signal Ref PID YES Ref A0 Ref A2 from analog referencing units direct control of pumps group Ref PID from PID regulator output most common setting 11 1111 1 5 28 P limit Max number of YES simultaneously operating pumps 5 40 Sw Seq ON Enable Sequencer Signal of enabling PLC sequencer block PCH O SEQ YES PCH O PCH 511 disabled o 58 6 1 5 42 Seq max Number of s
102. in a current mode 0 20mA 4 20mA The choice of an operating mode is carried out with the help of switches J1 for OutA2 and J2 for OutA1 see fig 2 6 Analog outputs in voltage mode should be loaded by impedance in value not less then 10kOm E 4 5 which define i n of analog outputs 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 OV 2 10V 10 2V voltage mode 2 82 Configuration of range 1 0 20MA 20 0mA 4 20mA 20 4mA current mode switch J2 0 10V 10 OV 2 10V 10 2V voltage mode 2 83 Configuration of range AO2 0 20MA 20 0mA 4 20mA 20 4mA current mode switch J1 24 Parameter Function Description 0 500 0 Typically 100 0 2 64 2 65 2 66 2 67 Constant of time for Out A2 Filter of analog output AO1 see Appendix C for more details 0 43 0 44 Out A1 scale For a configuration 0 10V signal value 1000 at a scale established on 100 0 corresponds to voltage value 10V Examples 10V For a scale established on 50 0 to receive 10V of output voltage the signal value should be 2000 Similarly for a scale established on 200 0 to receive 10V of output voltage the signal value should be 500 1000 Scale 100 ou Signal Mode 0 10V Value of a signal corresponds to value of the selected si
103. in a drive start Voltage feeding to digital RIGHT input 2 results to a drive start in opposite direction 312 START to the LIFT 3 11 PULSE START 312 PULSE STOP DI3 DIRECTION Voltage feeding to digital input 1 results in start and voltage removal stopping of 311 START STOP the electric drive Direction of rotation is depends only on sign of referencing unit signal 0 1 r DI1 PULSE START DI2 PULSE STOP 3 4 Display in mode control state looks as in the fig 4 4 referencing unit from analog input and START from digital input Regulation of output frequency of converter and rotation speed of drive is carried out through selected analog input e g with a help of potentiometer Fig 4 4 CONTROL STATE referencing unit from analog input 1 START with help of digital input 20 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 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 constan
104. ined 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 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 Restriction of current H The electric drive is in a mode of the output current restriction 75 Brake H mechanical brake released 6 PUMP 1 Pump system control H pump 1 operates LT PUMP 2 Pump system control H pump 2 operates 8 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 9 EI 128 132 Reserve Value always 0 Value of the local refer
105. information parameters of the PID REGULATOR Description Parameter Name Source of ref unit for PID regulator It serves for setting process referenced value Possible values Keyboard referencing PID from control board Ref A0 Ref A1 Ref A2 analog referencing units from analog inputs RS analog referencing units from communication module RS232 485 Modbus 261 InPID choice Signal source of feedback od PID regulator 1 Ref A0 Ref A1 Ref A2 feedback is connected to one of the analog inputs 2 60 Ref PID choice 18 2 62 Error inversion Error inversion difference between tasked value and feedback signal NO YES P amplification Amplification of proportional component of PID regulator The bigger amplification the faster reaction Kp to speed error 2 64 Const Ki So called time of PID regulator doubling 0 01 320 005 0 01 320 00 s T iii 2 65 D Const Kd Amplification of differential component of PID regulator 266 Max OutPID Max value which output signal of PID regulator can achieve restriction of saturation 0 0 3000 0 267 Min OutPID value which output signal of PID regulator can achieve restriction of saturation 0 0 3000 0 6 66 PID reset 2 69 PID type 0 1 Choice of regulator s algorithm operation Recommended setting is 0 270 SLEEP time Time after which SLEEP blockade will activate when the regulator output maintain on minimal v
106. ing on type of the sensor fig 2 6 and fig 4 19 a 8 InC6 24V Thermal relay in electric drive Termina block of control MFC710 Stree 3 5 1 5 InC6 j 1 Thermistor ae yy in electric ae drive Thermina V R block of con trol MFC710 A R kOhm Blocking Fig 4 19 Thermal protection with help of thermorelay a or thermistor b 30 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 AcR are also very important Main options m nominal parameters of the drive see section 4 1 m control place A or B parameter 2 1 Control B Switch off Control A 011 Choice A B with help of digital input 1 DI6 Choice A B with help of digital input 6 Switch on Control B m Source of signal START STOP local from control panel remote from digital inputs remote from RS or others parameter 2 4 START source of signal START for control parameter 2 5 START 5 source of signal START for control 8 m method of referencing frequency or rotation speed of the motor local from control panel remote from analog input through link RS motopotentiometer from PID reg
107. ing 0 00 10 00 5 0 00 5 YES 1 70 Amp reg n Speed regulator gain Service parameter for Vector modes 1 71 Ki of reg n Integration time of speed Service parameter for Vector modes regulator 1 72 Amp reg T Torque regulator gain Service parameter for Vector modes 1 73 Ki of reg T Integration time of Torque Service parameter for Vector modes regulator 1 74 Amp reg S Engine stream regulator Service parameter for Vector modes gain 1 75 Ki of reg S Integration time of engine Service parameter for Vector modes stream regulator 1111 1 1 11 1 60 Enc imp rot Amount of pulses per 1 9999 IT DEPENDS ON ENCODER TYPE 1024 N encoder rotation Reverse direction of NO YES disabled or enabled NO N 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 1111 1 61 Enc revers 1 90 f elim1 min 1 91 f elim1 max 1 92 f elim2 min 1 93 f elim2 max 1 94 f elim3 min frequency elimination 1 95 f elim3 max range number 3 Minimum frequency of 0 0 Hz YES frequency elimination gt range number 1 Maximum frequency of 0 0 550 0 Hz 0 0 Hz YES frequency elimination range number 1 Minimum frequency of 0 0 Hz YES frequency elimination range number 2 0 0 550 0 Hz Maximum frequency of 0 0 550 0 Hz 0 0
108. ing the electric Orive cccsseeceeseeeeeeeeeeeeeeeeeeeeeeees 25 ASS 21 311114 011 17 1 0 11 11 40 1 1 10 1107 2 29 2 9 0 2 2 22 9 2090 222290 2 952592 029222245250206 26 Joo 1 1111111 1110 11 71 11 1116 11 10 a ee Peri tt et el er ie E ee 26 A 4G GIFECT CURFONIL FARING 2s s cti26 cc 6 a a A a 26 480 Mechanical 5182145755 5 26 AiO RIV ICS Al PEO APE E Seah al E anata a a Sai elt Coe E 27 44 PROVE CHON an DIOCK Nesenie a a e r a T AINEA 27 4 4 1 Current frequency and the moment reStriCtiONS cccceeecceecseeeeeeeceeeeeeeeeseeeeeeeseeeeeeeseeeeeeeeesaeeeeeessageeeeeaees 27 442 BIOCKING a direction OT drive 1031911002 52 29999652250552628 OEREN EE 28 02 0 8825 28 4 4 3 Blocking the electric drive OPErAatiONn cccccsssccccccssececcceusecccceeseecccaeusececseuuseceessuueeeeessuueeesseuueeesssssssssseasees 28 2 90 118 1 0 11161 6 16 051156 9101 201 0 76777 7675 0 28 29180 TINS tA travertine cnc
109. ion of analog inputs Paramet Function Description er 2 40 Configuration of AlO range 0 10V 10 OV 2 10V 10 2V voltage mode a Configuration of 11 range 10 20 20 0mA 4 20mA 20 4mA current mode mode selection switch J3 0 10V 10 0V 2 10V 10 2V voltage mode a Configuration of Al range 0 20 20 0mA 4 20mA 20 4mA current mode mode selection switch J4 4 Po Yalu after Tiltet Choice of range for input value 0 10V 2 10V 10 0V inversion 10 2V gg Constant of time for lowpass _ i Voltage filter AIO Time 250 Constant of time for lowpass As par 2 49 filter Al1 Constant of time for lowpass As par 2 49 filter Al2 READ ONLY Value AlO in e g for range 0 10V voltage 5V corresponds par 0 40 Value Ald 55 0 40 50 0 1 0 0 41 Value 1 FA al Value Al1 in e g for range 0 10V voltage 5V corresponds par 0 41 READ ONLY Value Al2 in e g for range 0 10V voltage 5V corresponds par 0 42 50 0 In operating modes 2 10V 10 2V 4 20mA and 20 4mA it is possible to define behavior of the electric drive when value of voltage falls below 1V or value of a current falls below 2mA See Appendix C par 3 23 0 42 Value Al2 Reaction to signal absence at the Analog Input In structure of the electric drive Analog Referencing units are also provided Analog referencing
110. ion of identification process by a STOP button before its ending the new parameters of the drive will not be stored 31 Fig 5 1 Process of parameters identification ATTENTION 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 ATTENTION 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 increase of Rr ATTENTION 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 m the motor is not connected to the frequency converter m motor has damages m The current during identification has exceeded 170 of rated current of the drive m 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
111. k 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 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 8 it is possible to set up a Source RS 2 4 Start it is possible to set up a source RS 2 5 Start 8 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 example set enabling disabling RS permission from a digital input The permission concerns referencing frequency thr
112. l 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 form of the electric drive characteristic is par 1 20 Operating mode m Mode U f linear It is used if there exists a constant moment of loading which does not depend on speed see fig 4 11 Mode U f square law It is used if the moment of loading grows under the square law from speed e g the electric drive of the fan Use of square law characteristic U f cause reduction of noise and decrease of losses in the motor see fig 4 11 a Compensation of voltage reduce i fom output current i Par 1 53 Lflinear ULF square law F1 100 Par 153 Fig 4 8 Linear and square law characteristic a formation of U f characteristic b Par 1 51 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 887 88887888 9 8 88 MPE 8 8 EEEE p PEENE EEEE E PEEN E PEER E 8 Par 1 90 bottom frequency of elimination range 1 Hz Par 1 91 top frequency of elimination range 1 Hz Par 1 92 bottom frequency of
113. l 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 cut out switches of a B type due to different nature of a differential current Disconnecting device In order to comply with EU directives according to PN 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 e separator with or without fuses category of usage AC 23B fulfilling the requirements EN 60947 3 e disconnector with fuses or without disconnecting a load circuit before op
114. lation of the frequency converter should be made according to principles of safety and EMC rules listed in section 2 Choose a configuration of the frequency converter and realize it according to sections 4 and 5 1 4 Environmental conditions HI 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 50 C from 25 C to 55 C from 25 C to 70 C Protective packing from 5 to 95 from 5 to 95 Max 95 Relative humidity Short term insignificant condensation on the external side of the converter case is permitted only when converter doesn t work Air pressure from 86 kPa to 106 kPa from 86 kPa to 106 kPa from 70 kPa to 106 kPa Temperature 1 For nominal load temperature 40 C was assumed however for lower loads higher temperatures are acceptable 2 Installation of the frequency converter 2 1 Connection of a power circuits The MFC710 AcR was derived from MFC710 base u
115. log signals Sum a b is taken as input value of the filter T T a b inputs of the filter C the constant of the filter wyj cie filtru Wej cie Fast counter The counter converts pulses from digital input DI5 The maximum frequency of converted a quantity of impulses for impulses is 2kHZ The unit can be used only once in structure of the program counting If i_i lt a B OUT L B a multiplier If i_i 2 a B OUT H c restart If 6 0 OUT H _ quantity of the impulses counted from input DI5 Update of the OUT output each T period Sequencer Look at sequencer description section 12 2 inputs not active Multiplexer 1 Look at multiplexer description section 12 3 inputs not active Multiplexer 2 Look at multiplexer description section 12 3 inputs not active 43 Unitof curve formation Unit of curve formation Look at description of the unit of curve formation section 12 4 64 Appendix C Table of MFC710 AcR 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 with the help of 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
116. lure 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 REGISTE Parameters from group 0 They are analogous with parameters on the control panel e g the register 40003 corresponds to parameter 0 3 THE REGISTERS CONNECTED TO PARAMETERS 40xxx 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 41 Xxx control panel There can be necessary to disable blocking of parameters 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 A2xxx 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 41 xxx Read write 45XXX Parameters from group 5 CAUTION the same as item 41xxx Read write 46Xxx Parameters from group 6 CAUTION the
117. n 1 47 Uin Uin 400V AC 750V DC Undervoltage 0 65 Un Device thermal protection Radiator s heat sensor Motor thermal protection limit motor heat sensor Protection Supervision of communication Established permissible time of connection absence with control panel Supervision of communication Established permissible time of connection absence through RS Control of analog inputs Check of absence of living null in modes 2 10V and 4 20mA Control of a load symmetry E g break in one of the engine phases Underloading Protection from operating without any load Stall Protection against stall of a motor Table 0 2 Specifications of frequency converters of the MFC710 AcR series depending on a type Constant torque load Overload 1 5 Variable torque load Overload 1 1 Type of frequency converter A A Ine A kW A MFC710 AcR 0 75kW 0 75 2 5 1 1 3 5 3 79 MFC710 AcR 1 1kW 1 1 3 5 1 5 4 0 5 25 l MFC710 AcR 1 5kW 1 5 4 5 2 2 9 9 6 0 MFC710 AcR 2 2kW 2 2 3 MFC710 AcR 3kW MFC710 AcR 4kW MFC710 AcR 5 5kW MFC710 AcR 7 5kW MFC710 AcR 11kW MFC710 AcR 15kW MFC710 AcR 18 5kW MFC710 AcR 22kW MFC710 AcR 30kW MFC710 AcR 37kW MFC710 AcR 45kW MFC710 AcR 55kW MFC710 AcR 75kW O A 8 9 5 12 17 u 9 5 11 7 15 8 iN u 5 9 139
118. n 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 with the help of parameter 4 2 fig 3 10 There are two unblocking codes e CODE1 causes 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 e level 0 lowest SYSTEM IS PROTECTD BY AN ACCESS CODE At this level it is impossible to change par
119. n of differential 0 500 0 YES element D 2 66 max Out PID Upper limitation of PID 0 3000 0 100 0 YES regulator output value 2 67 min Out PID Lower limitation of PID 3000 0 0 0 0 YES regulator output value 2 68 PID Out res Resetting PID output when YES reset on STOP YES device is stopped NO regulator continuously active 2 69 PID type PID algorithm Service parameter 2 70 SLEEP time Time before activating 0 s SLEEP function disabled Os YES Sleep function when the 0 32000 5 output remains ona minimum par 2 67 2 71 SLEEP thr A threshold of wakening 0 0 100 0 5 0 YES from SLEEP state Waking when Error gt par 2 71 of PID output gt par 2 71 2 80 AO1 Src Choice of signal for analog rpm speed with a sign F out YES output 0 0 Nn 50 0 0 100 0 Nn rpm speed without a sign 0 0 100 Nn F out output frequency 100 0 Fn Cur output current 100 0 In load load without a sign 100 0 2Mn load load with a sign 100 2Mn 50 0 0 2Mn U mot output voltage 100 0 Un 2 81 AO2 Src Choice of signal for analog as above Cur YES output 2 82 AO1 Cfg Configuration of analog 0 10 V 0 V 0 mA 0 0 YES output 10 V 20 mA 100 0 10 0 V 0 V 0 mA 100 0 10 V 20 mA 0 0 2 10 V 2V 4 0 0 10 V 20 mA 100 0 10 2 V 2V 4mA 100 0 10 V 20 mA 0 0 Current mod
120. n 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 switch 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 momentary blocking of main pump operation you can force replacement accelerated of this pump 45 11 Advanced programming of MFC710 AcR 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 AcR are in essence pointers that makes possible for example to control the electric drive operation with the help of built
121. nit by including a regenerative active AcR rectifier It allows to eliminate problems with mains current and voltage harmonics and correction of PFC Power Factor reduction of THDi Total Harmonics Distortion and THDu is possible MFC710 AcR draw a sinusoidal mains current and eliminates negative impact on mains voltage in case of using standard rectifier Base features of MFC710 AcR e Two way power flow four quadrant work e Voltage stabilization in DC link MFC710 AcR is feeded by standard 3x400V AC mains Optionally can be connected to 3 phase mains 2x230 3x690V It should be known that all parameters results from load current are calculated for 3x400V standard mains On fig 2 1 mains and load connections are shown Wire diameters and mains choke type should be selected on load current Required current breakers and wire diameters shown on Tab 0 2 and 2 1 and should be selected depending on current of a load Appopriate protection values are listed in table 0 2 and recommended values of wires cross section are listed in table 2 1 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 compability EMC application of a four wire shielded cable three phases earth wire is recommended to fed the engine The frequency converter is supplied with appropriate resources protected from corrosion dedi
122. not operate STOP 4 11 Number of the parameter from group which is presented on a lower line of the display in the base mode when the electric drive does not operate STOP 4 12 Number of the parameter from group which is presented on an upper line of the display in the base mode and in the mode of fast review when the electric drive operates STOP 4 13 Number of the parameter from group which is presented on a lower line of the display in the base mode when the electric drive operates STOP 4 14 Number of the parameter from group 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 Number 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 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 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 which is presented as seventh SP7 on a bottom line of the display in the mode
123. ns 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 15 page 60 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 J The list of the equipment reducing EMC problems Fig Installation AEEA The list contains the equipment which can be additionally established in the ring 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 an EMC case an option which is not necessary for fulfillment of the EMC instructions 6 THE AIR GRID EMC SPRING LINING Fig 2 5 Installation principles reducing EMC problems 2 2 Connection of control circuits On 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
124. nt 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 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 lf itis necessary block possibility of parameters changing Fig 11 3 Unblocking pointers 46 11 4 The control panel defining displayed values Among parameters from group 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 10 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 ta
125. ntrol 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 value PCH 166 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 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 the parameters 2 30 2 31 2 32 Reserve Value always 0 57 3 Timer 1 hour t 1hour Signal of timer with 1 hour period and 50 filling 94 125 Reserve Value always 0 126 NULL Value always L 127 NOT NULL Value always H PCH PCH name Function value note 60 K_ZERO Value always 0 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 def
126. of fast review 3 4 Contrast regulation Control panel of the converter MFC710 AcR 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 weak 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 the parameter 4 21 fig 3 14 change visibility with keys set the optimal value confirm adjustment of the visibility value with the key Btad Nie znaleziono r d a odwotaniaE 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 received rating plate It is necessary to enter the following parameters e Parameter 1 1 rated power of a drive of kW e Parameter 1 2 rated speed of a drive rpm e Parameter 1 3 rated current of a drive A e Parameter 1 4 rated
127. 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 SIMULTANEOUSLY 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 gt Sw off means that the pump will be always in inactive mode the control system will not use it Value from 1 gt DI1 up to 6 gt DI6 means that this pump will be activated deactivated with the help of the corresponding digital input of the converter if the pump is in an active mode and operates and will be deactivated its immediate shutdown will occur Value 7 gt 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 network MAINS ONLY the pump can operate only as an additional pump powered directly from
128. of user referENCING UNIIS cccccccseecceceeeecseeeeecaeeeeeseeeeeseaeeesaueeeesaueeessaueeeeeeeeeeess 47 11 6 System Of rotation COUNLGI cio Coes cuties ahaa aa 48 12e PLC 5 0 0 1 6 1 ee eee ee nee ne ene nen ee eae eee ee ene 49 1 1 11 eine 1 nee 49 12 2 51 618 1515 21001 1 0 0 5 57 7 7 0 65 7 49 12 3 Multiplexers MUX T and MUA co ARE aE A SeA 20 121 18 0 11 117111 1 111 1 4 eee 2199922998 sae o 52 0 20 I2 o 900101 11 101 OP en 21 12 0 1 111 16 11 94 1 11 1 A 0 25 901912990 hada aes 52 13 Control of the frequency converter by Means Of CONNECTION RS ccccccccseeeeeeeceeeeeeeceeeeeeeessueeeeeeseeeeeeessseeeeesssaaneees 53 13 1 Parameters which concern communication through RS ccccccecseeeceeecaeeeeeeecaeeeeeeeeseeeeeeeesaaeeeeesaaaeeeeesaaeeeeeeeeess 53 13 2 Map of registers accessible through RS LINK cc cceccccccceeee
129. on 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 e g START STOP through digital inputs and regulation of rotation speed with the help of a potentiometer it is necessary m To choose control place A or B with the help of parameter 2 1 m To setup value of parameter 2 2 for A or 2 3 for B in position gt 134 AlO for an analog input 0 gt 135 All for an analog input 1 gt 136 Al2 for an analog input 2 m To setup value of parameter 2 4 for A or 2 5 for B in position gt 30 Input Digital m Tobe sure that the choice of a mode of constant speed is not made values of parameters 2 30 2 31 2 32 should be set up gt 0 Switch off m To setup parameter 2 8 Remote start It defines functions of control digital inputs as at the tab 4 1 Table 4 1 possible configuration variants of remote start START Value of par 2 8 Notation Function Remote start _ Voltage feeding to digital input 1 results in start and voltage removal stopping of 311 START STOP 312 the electric drive The condition of a digital input 2 defines change of a direction of DIRECTION drive rotation DI1 START to the Voltage feeding to digital input 1 results
130. onds to PCH 165 referencing unit A converted to relative value compared to rated drive frequency Value without a sign resolution 0 1 Value corresponds to PCH 166 referencing unit converted to relative value compared to rated drive frequency Value without a sign resolution 0 1 The same as PCH 176 but presented in Hz and with sign depending on direction of rotation Value corresponds to PCH 166 referencing unit converted considering Fmin and Fmax Value with a sign resolution 0 1 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 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 Fmin 100 0 Fmax Max value of the frequency referencing unit copy of parameter 2 11 Resolution 0 1 Hz Value 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 Fmin 100 0 Fmax Reserve Value always 0 ooo PLC controller Output of the universal unit number 1 Depends on unit function Value can be set from 0 to 65535 PLC controller Output of the universal unit number 2 Depends on unit function Value can be set from 0 to 65535 PLC controller Output of the universal unit number 3 48 Depends
131. 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 Control of pumps group There are 9 available set of predefined parameters Local control from keyboard Remote control through digital or analog inputs Local Remote choice between local and remote PID speed regulated by PID regulator Motopotentiometer control with increase decrease signals from digital inputs Constant frequencies operation with constant frequencies switching through digital inputs Torque regulation setting the moment by signal from digital input vector control Pumps control of pump group Reeler setting the torque with the reeler calculator vector control Special functions Set of Predefined Factory Parameters 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 Additional functions of the panel Definition of User s referencing device for direct changing of the process variables choice of measurement unit and scale LCD contrast adjustment Short circuit protection Short circuit on unit output Overcurrent protection Instantaneous value 3 5 effective value 2 5 Overvoltage AC DC protectio
132. ough RS RS PID referencing unit and a START STOP BLOCKING signal from RS see table 13 2 registers 2000 2001 and 2002 4 8 RS speed possible options is 1200 2400 9600 or 19200 bits per second 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 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 registers decimal PCH REGISTERS 1000 13883 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 1446 1511 PCH from number 448 up to number 511 see Appendix A Read only Description meaning Mode l I 1 REGISTERS OF OPERATING MODES 2000 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 85 the regis
133. peration DI1 DI6 operation allowed when there is voltage Sw on YES permission supplied on digital input 1 6 Sw on operation allowed 2 111 Op Block External operation Sw off without operation blocking Sw off YES blocking DI1 DI6 blocking active when there is voltage supplied on digital input 1 6 2 112 Em Stop Emergency Stop Sw off no possibility of emergency stopping Sw off YES DI1 DI6 emergency stop by means of one of digital inputs i Parameter Function Available options measurement unit Factory Change Name setting during operatin g time Sw off disabled Sw off YES DI1 DI6 reporting external failure 1 when there is voltage supplied on digital input 1 6 Sw off disabled Sw off YES DI1 DI6 reporting external failure 2 when there is voltage supplied on digital input 1 6 3 10 Ext fail 1 Choice of external failure source 1 3 11 Ext fail 2 3 20 Sw on Al Choice of external failure source 2 Reporting failure of lack of signal lt 2V when Al doesn t serve as referencing unit Sw off don t report failures DI1 DI6 reporting failures when there is voltage supplied on digital input 1 6 Sw on always report failures B 3 23 Re 4mA lack Response to lack of analog No no response YES signal level lt 2V 4mA Warn a warning will be displayed device keeps working with
134. period defined by parameter 3 72 Restart delay from the moment 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 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 only 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 radiator par 3 78 for failure Failure of an analog input 6 3 Codes of failures Table 7 List of failure codes Displayed Description Possible reason Counteraction name Failure codes The air course through the Check efficiency of ventilation converter is complicated too high efficiency of the ventilating fan and temperature of environment pollution of a radiator High Temperature of radiator is temperature higher then 75 C Check isolation resistance of the The sum of drive currents i
135. referenced frequency f const 7 Fail device will stop and message will be displayed f_last as Warn Frequency will stay on an average level from last 10s 3 30 Re Sym lack Response to asymmetry of No no response 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 YES which device will be shut available for converters with power above 18 5 kW down YES 3 40 Stall Re Response to stall of the as par 3 30 drive 3 41 f Stall Stall frequency 0 0 50 0 Hz 10 0 Hz YES 3 42 Stall time Stall time 0 600 5 1205 YES 3 45 Spd err Re Response to error of No no response YES output 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 Warn a warning will be displayed device keeps 3 51 Underl time Time of underload 0 1200 5 120 5 YES working with referenced frequency 3 46 Delta n nz Acceptable difference 0 1000 rom 200 rom YES between referenced speed and speed of the drive working with referenced frequency f const 7 3 52 Underl torq Torque of underload 0 0 100 0 70 0 YES Fail device will stop and message will be 3 47 D time max Maximum time of 0 0 12 0 5 ac
136. reservation that CODE1 value must be different from 0 From this moment 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 Disactivating protection by access code It is necessary to enter current CODE1 as shown on 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 CODE1 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 electric 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 l l eor 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
137. ressure will still increase the last additional pump will be switched off 43 Pressure Output PID Pressure selecting Cy Par 5 26 Pressure PoC eS 2 i Par 5 23 Output PID lt gt h ARE Coreen 3 2 Switching on l Switching off additional additional pump pump Additional pump is operating Timefs ig 10 5 Switching on off of the additional pump The additional pump will be switched off under conditions e the PID regulator 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 e 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 on 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 fi
138. roller 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 to be set up on value 137 gt OutPID or 161 gt PumpG For operation with the PlID regulator it is necessary to determine parameters of a regulator especially a signal source of pressure and the pressure referencing unit par 2 60 and 2 61 In addition parameters restricting a range of regulator 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 regulator 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 PlD regulator of the frequency converter when par 5 27 158 gt Ref PID direct when the referenced signal decides directly without PID about quantity of operating pumps In most cases operation in a standard mode when par 5 27 Reference unit choice is set up on 158 gt Ref PID is recommended Any other setting of thi
139. roup controller Control System NO controller disabled YES controller enabled 5 11 Cfg P1 Pump 1 configuration MFC MAINS operation from converter or mains MFC MAINS 1 YES MAINS ONLY operation only from mains 5 12 Cfg P2 Pump 2 configuration MFC MAINS operation from converter or mains MFC MAINS 1 YES MAINS ONLY operation only from mains 5 13 Cfg P3 Pump 3 configuration MFC MAINS operation from converter or mains MFC MAINS 1 YES MAINS ONLY operation only from mains 5 14 Cfg P4 Pump 4 configuration MFC MAINS operation from converter or mains MFC MAINS 1 YES MAINS ONLY operation only from mains Parameter Function Available options measurement unit Factory Change Name setting during operatin g time 5 15 Cfg P5 Pump 5 configuration 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 311 YES DI1 DI6 pump enabled by one of digital inputs Sw on pump disabled 1 k 5 17 P2 active Pump 2 activation Sw off pump disabled DI2 YES DI1 DI6 pump enabled by one of digital inputs Sw on pump disabled 5 18 P3 active Pump 3 activation Sw off pump disabled DIS YES DI1 DI6 pump enabled by one of digital inputs Sw on pump disabled 5 19 P4 active Pump 4 activation Sw off pump disabled DI4 YES DI1 DI6 pump enabled by one of d
140. rsal 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 Output Description OUT of the block Function number Output OUT assumes a value which is defined by an input a It serves for storing values which are quickly changed for 10ms after execution of this block value of output PCH will not change even if input value changes a b c Value OUT of the unit is the sum of three pointers a b and Product a b divided by value c a b OUT of the unit a b negation the sum ABS a b OUT of the unit an absolute value of a b Ja b c OUT of the unit a b c bsasc Restriction of an output range Output signal of the unit is between b minimum and c maximum according to rules described below If a lt 5 OUT 5 If a2 b or a lt c OUT a If a gt c OUT c The same as item 6 but B
141. s Insulation of windings of the drive or wires connecting the drive and the Farthing not equal to null connecting wires converter and isolation resistance of windings of the drive Too high voltage in the circuit Test the mains High Udc High voltage in circuit DC intensive braking of the drive Increase a time of braking Par 1 31 or 1 33 OW Ii Check connecting cables and a level Low Udc Low voltage in circuit DC one phase of a supply voltage of a feeding voltage Disconnect the drive and test lac of presence of a short circuit if present awermodule Short circuit in the drive or in the call service to repair drives and if is p wires feeding the drive not present test isolation of wires and windings of the drive fe curren The current of the drive is to Too high intensity of acceleration a Increase acceleration time of the 9 high sudden change of drive loading drive 34 O 1 Failure Displayed codes name limit InA damage 10 DC charging Absence of temp sensor Short cir of temp sensor Low temperature Output Symmetry 51 ele apa 5 18135 5 Underload External1 External 2 Thermorelay Sz Stall Absence of keyboard N O N N RS time N 00 U mains N f gt fmax 30 Encoder error 6 4 Failure log Description Overheating of the drive
142. s necessary to apply all principles listed below Not applying to one of principles ruins the effect of others e separation The basic way of connecting the filter the frequency converter and the e equalizer connections motor is presented in the figure below e shielding e filtration 0 Supphyline p oe filter 1 converter F E SA 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 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 is necessary to pay attention to an opportunity of oxidation of a surface that results in deterioration of contact For restriction of asymmetric disturbance level it is necessary to apply many connections of the cable shielding to ground Additional information about equipotential connection c
143. s necessary to disconnect a cable feeding the fan and to unscrew the fan New fan should be ordered in TWERD 55 15 CE certificates Frequency converters of MFC710 AcR fulfill the fundamental requirements of following instructions of the new approach e the Instruction low voltage LVD 73 23 EEC e the Instruction EMC 89 336 EEC 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 PN EN 50178 2003 Electronic products which are used in installations of the high power PN 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 PN EN 61800 3 1999 A11 2002 consideration of special methods of research PN EN 61800 3 A11 first environment PN EN 61800 3 A11 second environment Distribution is limited Distribution is unlimited with use of with use of installation installation principles section 2 1 2 and the principles section equipment section 2 1 2 without item d e 2 1 2 and the equipment section 2 1 2 without item and e
144. s 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 the pump operating at present has worked the quantity of hours determined in parameter 5 21 the tasked pressure is less or is equal to a threshold determined in parameter 5 24 blocking of replacement at high loading of network 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 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 m in series of 2 seconds intervals all operating additional pumps are switched off according to sequence at the fig 10 6b m in two next seconds the leading pump is switched off m 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 m 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 network after switching o
145. s 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 For 50 half of pumps operates for 0 one pump operates on the lowest speed for 100 all pumps operate In a standard mode the quantity of operating pumps and speed of the leading pump is determined by the P ID regulator 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 with the help of parameter 2 60 Ref PID 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 42 regulator 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
146. same as item 41xxx Read write 11 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 PWC TWERD The Manufacturer provides the full help during 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 radiator and the fan Radiator A plenty of a dirt which covers a radiator at operation worsens removing heat from device and can trigger protection against an overheat of the converter Cleaning of a radiator 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 i
147. se B of the drive A 0 16 Ic cur Current of a phase C of the drive A 0 17 Pow fact Output power factor 0 18 Psi st Stator stream Wb 0 19 Encoder Encoder speed rpm 0 20 Hts 1 temp 0 21 15 2 temp Temperature of separate parts of the converter s radiator if it is divided C 0 22 Hts 3 temp 0 23 Hts temp a Maximum of parameters 0 20 0 21 0 22 C 2 0 30 PID Ref ee of current referencing unit of the PID regulator 0 31 PID In Current input value of the PID regulator 0 32 PID error Error of the PID REGULATOR 0 33 PID Out Current output value of the PID REGULATOR 0 34 Pumps State State of operation the Control unit of Pumps Group 0 35 ON time Quantity of hours of converter s operation 0 36 Y M D date Current date 0 37 h m time Current time 0 40 Alo Value of an analog input 0 41 ait Value of an analog input 1 0 42 Value of an analog input 2 0 43 Aor Value of an analog output 1 0 44 a02 Value of an analog output 2 0 45 Ref AO Value of the analog referencing unit 0 0 46 Ref A1 Value of the analog referencing unit 1 63 Current rotation speed of the drive in rotations per one minute rpm 1 Parameter in group 0 47 Ref
148. ssity 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 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 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 The parameter 5 144 Switching on PLC is set up on YES Since this moment PCH 256 the output of the unit number 1 is the value corresponding to result of operation X 5 that in our case corr
149. t multiplied by parameter of scale 2 43 and added offset parameter 2 46 145 Value A1 Value of analog input multiplied by parameter of scale 2 44 and added offset parameter 2 47 146 Value A2 Value of analog input multiplied by parameter of scale 2 45 and added offset parameter 2 48 147 100 In all cases value 1000 corresponds to 100 0 of referencing units Output of reeler calculator device it serves for torque referencing Resolution 0 1 range 148 RC Output 0 0 100 0 1 Relative value which corresponds to current rotational drive soeed compared to the rated drive a ABS rotations percent rotation speed Resolution 0 1 Value without a sign it doesn t depend on direction of rotation 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 152 Current percent Relative value which corresponds to present output current compared to rated current of the drive Resolution 0 1 Relative value which corresponds to current torque of the drive compared to the rated torque 153 ABS torque percent Resolution 0 1 Value without a sign always positive Relative value which corresponds to current torque of the drive comp
150. t section 2 1 2 without item e Conducted emission PN EN 61800 3 A11 second environment Distribution is unlimited with use of Radiation emission The product belongs to a class with the limited 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 networks usage of asymmetric filters of high frequency condensers Y and CY to reduce emission of interference ruins the concept of the distributive network isolated from the ground Additional grounded impedances can become threat of safety in such systems For technical reasons in some applicatons current higher than 400A fulfilling requirements of EMC is not possible In such cases user and manufacturer should decide on ways of satisfying EMC requierments in this particular application 56 Appendix 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 P
151. t frequency of the converter with help of a motor potentiometer par 2 2 for control A or 2 3 for control B must be set on value MotPot mP Attention Fig 4 6a corresponds to a a b Increase and reduce of drive situation when par 2 20 DI3 and speed depends on r 2 21 5 Constanta of motor aes InC3 Increase 4 potentiometer par 2 23 ech dynamic of electric drive par There are four available modes of InC4 a ay Reduce 24V motopotentiometer operation 0 1 2 and 3 Modes 0 1 and 2 should be used only when current referencing unit par 2 2 par 2 3 is set on MotPot Mode 3 can be used Increase time regardless of setting of current N k referencing unit Reduce R Stopping the converter In mode 0 will cause reset of motopotentiometer Fig 4 6 Connection and illustration of a motopotentiometer device operation settings In mode 1 settings of Information Ref mP on the display in CONTROL STATE motopotentiometer will be stored and mode confirms enabling of the motorpotentiometer s ref unit there is no possibility of changing 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 an
152. t speed control Parameters Example Notation 2 30 1 gt 3 313 Signal of constant speed selection W1 comes from digital input 3 W1 DIS 2 31 W2 gt 4 314 Signal of constant speed selection W2 comes from digital input 4 W2 4 2 32W3 gt 0 W3 0 SWITCH OFF II 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 3 and 4 E State DI4 State DIS Effect Electric drive does not operate with constant speed At this moment 0 0 another referencing unit is operating See structural circuit of frequency referencing unit section 4 2 1 1 0 Constant speed no 1 Value as Par 2 33 0 1 Constant speed no 2 Value as Par 2 34 1 Constant speed no 3 Value as Par 2 35 CONTROL STATE display when constant speed referencing unit is active looks like it is shown on fig 4 5 Referencing unit constant frequency speed START through digital input 18108 Fig 4 5 CONTROL STATE 4 2 5 A motopotentiometer Motopotentiometer is a simple increase reduce device for speed control of drive rotation with help of two buttons An example way of connecting increase reduce buttons to the frequency converter is shown on fig 4 6a Fig 4 6b Illustrates action of the device In order to set the outpu
153. ter 2002 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 bits 12 1 BLOCKING of OPERATION shut down according to Parameter Teid bits 13 1 BLOCKING of OPERATION shut down RAMP bits 14 1 BLOCKING of OPERATION shut down RUN OUT sare bits 15 1 START 0 STOP aa i Bits 4 5 6 allow to force control of the drive through communication channel RS even if referencing A Ster units or source of START STOP signal is set up on value which differs from RS If for example the sabes 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 source 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 Read write 2001 2002 2003 2004 2005 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 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 rom instead of in Hz The referencing
154. ters 3 80 3 111 form the Failures Log allows to display a history of last 16 failures 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 35 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 In a time of one hour 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 36 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 is necessary to change only t
155. the theoretical way The Model is developed on the basis of the following assumptions 28 m the temperature of windings changes according to exponential law m the drive achieves the maximal temperature for continuous work at a rated current m change of temperature depends on a ratio I In 2 m the constant of time of cooling for stopped drive is four times more than a constant of time of heating during operation b 4 In of the drive 125 a 1 In 100 1 Par 3 3 50 Jop a Time 0 Current temperature of the Par 3 4 4 Ts drive Ts can be counted 105 i with par 0 9 100 63 0 25 Hz 0 a 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 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 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 curr
156. this 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 Value of the torque referencing unit Copy of PCH determined by parameters 2 9 or 2 10 163 2000901011 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 H Output of control unit the final value of the frequency converter value with a sign determining 166 Seraun the direction of rotation plus to the right minus to the left Resolution 0 1 Hz 167 Output of the control unit the final value of the frequency ref unit value without a sign always ABS ref unit 28 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 111188 175 Freq Last Average frequency 59 PCH 176 177 178 179 180 181
157. tings with 3 No cores x Power ratings with 3 Cross Sec loaded cores in Amperes Cross Sec loaded cores in Amperes mm 3x1 5 3G 0 25 3x50 3G 10 3x2 5 3G 0 5 3x70 3G 10 3x4 3G 0 75 3x95 3G 16 a 3x6 3G 1 3x120 3G 16 Fig 2 2 HELUKABEL TOPFLEX EMV 3 3x10 3G 1 5 3x150 3G 25 PLUS 2YSLCY J 3x16 3G 2 5 3x185 3G 35 600 1000 V 3x25 3G 4 3x240 3G 42 5 3x35 3G 6 3G green yellow earth core divided into 3 fig 2 2 Long term current load in ambient temperature 40 C correction factor 0 87 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 interpolar and 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 are provided appropriate terminals properly marked protected from corrosion to make equipotentia
158. to other bits determining a source of the referencing unit PID regulator state This register informs from where current referencing unit and input signal of PID regulator is coming and also whether SLEEP is switched on bits 0 1 PID referencing unit from an analog input 0 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 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 bits 7 1 PID input from an analog input 1 bits 8 1 PID input from an analog input 2 bits 9 1 PID input comes from PCH advanced bits 10 1 SLEEP blockade of PID regulator is active bits 11 12 13 14 15 not used 0 54 OPERATION STATE Value of this register serves for identification of the device s state bits 1 the drive operates bits 1 1 one of referencing units of a control panel frequency the PID regulator 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 fai
159. ture 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 Soa ee anh In above mentioned example the parameter 5 120 will define a threshold of speed N1 resolution 0 1 that is 1000 100 0 the parameter 5 121 will define a threshold of speed N2 resolution 0 1 that is 1000 100 0 a parameter 5 122 time T with resolution of one second 52 13 Control of the frequency converter by means of connection RS Frequency converter MFC710 AcR 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 1200 2400 9600 or 19200 bits per second a format of a character 8 data bits lack of parity control 2 stop bits transfer protocol MODBUS mode RTU chec
160. ulator or others parameter 2 2 START source of referencing unit for control parameter 2 3 START 8 source of referencing unit for control 8 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 Stage 1 DC probing The drive is stopped the device defines active resistance of stator Rs Stage 2 AC probing The drive is stopped the device defines active resistance of rotor Rr inductance of stator Ls and rotor Lr 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 device defines inductance Lm 5 1 2 Switching on identification run 1 CAUTION Before switching on of parameters identification mode it is necessary to enter nominal parameters of the drive which are described in section 4 1
161. unit so that one of PLC units define an relative level of soeed up to which the electric drive should be accelerated this level corresponds to the nominal frequency of the drive On fig 12 8 the structure which implements a given task it ea presented The unit 1 is the 2 1 comparator which reacts to the value of first speed In the observed case 200 acceleration with dynamics 1 5 implemented to speed of 20 0 ST1 of nominal speed The signal 15 fee OUT which informs about achievement of or the first value of speed enables Unit 89 VAL type 3 The Unit 3 is the counter which n counts downwards from value 5 max ST3 every 1 second constant sherri 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 15 a 2 switch which depending on a signal on input passes to the referencing unit A the first or second value of speed ST1 ST2 Value of balance time ST3 first ST1 and second ST2 speed can be modified by connecting in proper place for example an analog input or one of user referencing units Condition ST2 gt ST1 must be fulfilled N Acceleration end Fig 12 7 Selected characteristic of acceleration sf e 4 fea Fig 12 8 Structure of control implementing a predefined task To realize such struc
162. unit A or 8 the RS Referencing unit was chosen and there is no permission to operate with RS Referencing unit value 0 Hz Referencing through RS link Constant frequency Motopotentiometer P 3 1 Viewing and changing parameters value From a BASE 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 0 up to group 6 After group 6 the panel comes back into the BASE MODE see fig 3 3 GROUP NUMBER Parameter of parameter name Read only Par value parameters Fig 3 6 Viewing of parameters Here parameter 1 20 5 5 Operating mode CHANGING OF PARAMETER l NUMBER In the PARAMETERS MODE there is an opportunity of viewing eee OE E 1 and changing the converter s actual parameters On fig 3 6 an Changing of example of displaying parameter 1 20 is shown Caneel parameter bic value arameter te CHANGING of Only groups Keys up down help to choose number of parameter ieee 1 6 from the current group of parameters Change of parameters group is achieved by pressing the key of a double arrow SAVING l 1 6 value on the display is surrounded by square brackets as Square brackets
163. unit of the PID regulator operates only if the parameter 4 7 RS permission allows operation with RS Read write Resolution 0 1 a range 0 1000 e g 445 44 5 Forcing state of digital inputs The register intended for testing If bits 15 of this register is set up Read write 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 8 active bits 2 1 the referencing unit from an analog input 0 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 bits 6 1 the referencing unit from an output of the PID regulator Baader 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
164. 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 PlD regulator 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 500 0 500 0 2 44 Ref A1 scale Value in 500 0 500 0 2 45 Ref A2 scale Value in 500 0 500 0 2 46 Ref A0 offset Value in 500 0 500 0 2 47 Ref A0 offset Value in 500 0 500 0 2 48 Ref A0 offset Value in 500 0 500 0 READ ONLY Value Ref A0 in Ref AO par 2 46 par 2 43 0 100 0 E g if par 2 46 20 0 par 2 43 50 and Ref AO 30 0 Ref AO 20 0 50 0 30 0 100 0 35 0 READ ONLY Value Ref A1 in Ref A1 par 2 47 par 2 44 Al1 100 0 0 45 Ref A0O value 0 46 Ref A1 value 23 Parameter Function Description READ ONLY Value Ref A2 in 0 47 Ref A2 par 2 48 par 2 45 Al2 100 0 Ref A2 value
165. values presented on the display see section 3 3 First line upper On fig 3 3 the main sequence of control panel service is ie a presented Viewing and option of parameters in groups Here DC link Hes 0 6 are shown on fig 3 7 section 3 1 yells Here DC link voltage CHANGING REFERENCING UNIT with the help of 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 base mode or in a mode of fast review Second line and at least one of the following conditions is carried out Second line hiked een Here rotation to the sb value Here state current control A or B is switched on setting Gro possibilities parameter operation frequency from the control panel par lt rotation to the Here state of left digital inputs drive locked At the same time only one of these referencing units can be used or they aren t used at all If referencing frequency Fig 3 2 Display of the control panel in the BASIC MODE an from the control panel is switched on screen display after example of configuration pressing one of keys will look as it ee is shown on fig 3 4 See RR RE ER SS Se PARAMETERS QUICK PREVIEW MODE MODE QP 2 2 for control A and
166. voltage of a drive V e Parameter 1 5 nominal frequency of a drive of Hz 9 Parameter 1 6 nominal cosq of a drive Check Appendix C for more details In the mode of scalar U f control these data it is enough for converter operation 4 1 1 Preparation for operation in a vector control mode In case converter operates in the mode of vectorial 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 m Parameter 1 11 pure resistance of stator windings Rs Ohm Rs Ls Rr Lr m Parameter 1 12 pure resistance of rotor e_ yes oe ie ae cae windings Rr Ohm the parameter 1 12 is A defined automatically by converter MFC710 AcR on basis of other drive Us Rr s parameters it is impossible to Lm change m Parameter 1 13 main inductance Lm mHz m Parameter 1 14 inductance of a stator Ls Lm mHz Fig 4 1 Equivalent circuit of squirrel cage motor m Parameter 1 15 inductance of a rotor Lr Lm mHz m Parameter 1 16 additional inductance connecting wires choke Without definition of the value of these parameters operation of the converter in the mode of vectorial 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
167. when the motor does not work e After disconnecting the device from the supply network the dangerous voltage is still present for about 5 minutes 1 2 Basic rules Don t make any connections when the converter MFC710 AcR is connected to the mains Don t connect mains voltage to output clamps U V W Don t measure the voltage endurance of any unit devices To measure the cables insulation it is necessary to disconnect them from the converter Don t touch integrated circuits and any other parts on the converter s electronic board as they can be damaged by electrostatic discharge Don t connect any capacitors to motor wires intended for improvement of power factor m 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 Y After unpacking the converter it is necessary to check up visually presence of damages which could arise during transport 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 or L C L filter if it was ordered e ferrite ring or RFI filter depending on the order 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 Instal
168. y x Halting to 9 out characteristic Dynamics 1 l ar1 64 m Parameter 1 31 Delay 1 time of i czas delay from 50Hz to OHz Dynamics 1 part or 1 33 pa Tai or1 33 m Parameter 1 32 Acceleration 2 time of acceleration from OHz to 50Hz Dynamics 2 m Parameter 1 33 Delay 2 time of delay from 50Hz to 0 Hz Dynamics 2 m Parameter 1 34 S Curve allows 10 realize the smooth beginning and end of acceleration and Delay m Parameter 1 36 Choice of DYNAMICS allows to set up dynamics variant 1 or 2 You can also l decide that the choice of dynamics will Rys 4 10 a Illustration of parameters of influence on dynamics and nae halting of a drive eli out through one of digital Rys 4 10 b Illustration of influence of minimnal stopping time and ref unit delay parameters 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 25 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 contro
169. y Digital inputs DOI DOZ DOS i output i oe ee E relays K1 K2 K3 A AM 8 5 8 1 85 83 I DOA S a L Anaao inputs P T E sete Ure Tay Fa i wi a 9 Analog inputs ot Digital inputs l Pah a es ae RO Ald Al2 oo DI1 DI6 Fig 2 6a User terminal block and configuration switches of MFC710 AcR converter The control board variant for rated power 18 5kW and below Fig 2 65 User terminal block and configuration switches of MFC710 AcR converter The control board variant for rated power above 18 5kW Relay outputs can be aplicated to control External relay control via DO4 power supply of 230V devices Output type open collector U 35V e Diaital 230v AC Of oe OV logic 0 24V logic 1 K1 K2 K3 2 9 3 Q Q Q Q Q Q oOo lolz ara ha Se lt lt lt lt lt lt lt D g y y wae San oO l eae g lt oc oc Potentiometer connected AO 2 in current mode Al in current to AIO operates in voltage K1 K2 K3 Relays 0 4 20 R lt 18
170. ze without a decimal point e g 12 5 125 2 43A 243 375 5 375 e g if Signal value of current is 11 7 it corresponds to 117 number In this case voltage scale signal 1000 voltage 100 0 117 1000 11 7 0 10V 1 17 V 0 oV 10V 500 Scale 200 PUA Signal i Mode 2 10V 0 ov Scale 32 0 500 0 Typically 100 0 see above Constant of time for the lowpass Filter of analog output AO1 see Appendix C for more filter of AO1 11 details Before fitter Ti AO1 0 100 0 READ ONLY Value of analog output 1 OutA1 Absolute value signal scale AO1 1000 AO2 0 100 0 READ ONLY Value of analog output 2 OutA2 Absolute value signal scale AO2 1000 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 a Aa T EN reverse speed In MFC710 AcR converter you C can choose dynamics from two accessible ra A variants which are named DYNAMICS1 and set DYNAMICS2 8 i Curve 5 1 35 m Parameter 1 30 Acceleration 1 time of acceleration from OHz to 50Hz N Halting b

MFC 710 / AcR User's manual

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