TWERD Power Electronics MFC710 400V Series User Manual Download Page 18

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2. Installation of the frequency converter

2.2. Connection of control circuits

The figures below show the two variants of the control electronics board used in the MFC710 converters.

a. Frequency converters of rated power 18,5kW and below:

Fig. 2.6a - User terminal block and configuration switches of MFC710 converter. The control board variant for rated

power 18,5 kW and below.

b. Frequency converters of rated power 22kW and above:

Fig. 2.6b - User terminal block and configuration switches of MFC710 converter. The control board variant for rated

power 22 kW and above.

Frequency converter MFC710 type. TWERD Power Electronics

RS485

A +5V 0V

VCC

Use only incremental
encoders with the line
transmitter interface
and 5V type!

Terminal jumpers
of RS485 interface.
Put on J6, J7 if the
drive is the last one
on communication
bus.

Analog outputs operating mode
J1 for AO1
J2 for AO2

Analog inputs
operating mode
J3 for AI1
J4 for AI2

Operating mode of DI6

Voltage
mode

Current
mode

Voltage
mode
Current
mode

Digital input mode

Motor thermistor
mode

Digital outputs

DO1, DO2, DO3

(relays K1, K2, K3)

Analog

outputs

AO1..AO2

Analog inputs

AI0..AI2

Digital inputs

DI1..DI6

Uref = 10V - for use with
analog inputs in voltage mode

Digital

output

DO4

X4
RS485

A
+5V
0V

+5V

Z
B

B
A

Analog outputs operating mode

J1 for AO2

J2 for AO1

Analog inputs

operating mode

J3 for AI2

J4 for AI1

Operating mode of DI6

Terminal jumpers of

RS485 interface.
Put on J6, J7 if the drive

is the last one on
communication bus.

Use only incremental
encoders with the line

transmitter interface
and 5V type!

Digital inputs

DI1..DI6

Voltage

mode

Current

mode

Voltage

mode

Current

mode

Digital input mode

Motor thermistor

mode

Analog inputs

AI0..AI2

Analog outputs

AO1..AO2

Digital outputs DO1, DO2, DO3

(relays K1, K2, K3)

Uref = 10V - For use with analog

inputs in voltage mode

Digital
output

DO4

Summary of Contents for MFC710 400V Series

Page 1: ...TWERD Power Electronics TWERD Vector controlled frequency converter MFC710 400V MFC710 500V MFC710 690V type with OP 11 control panel User Manual Edition 7 3 www twerd pl...

Page 2: ......

Page 3: ...Vector controlled frequency converter MFC710 400V MFC710 500V MFC710 690V type with OP 11 control panel User Manual Edition 7 3...

Page 4: ......

Page 5: ...s 30 4 2 4 Work with constant speeds 31 4 2 5 Motopotentiometer 32 4 2 6 Other possibilities of the frequency converter control 32 4 2 7 Configuration of digital and analog inputs and outputs 33 4 3 C...

Page 6: ...alues 59 11 5 The control panel definition of user referencing units 59 11 6 System of rotation counter 60 12 PLC controller 61 12 1 Universal functional blocks 61 12 2 Sequencer device 62 12 3 Multip...

Page 7: ...l MODBUS RTU Function 3 Read Register Function 6 Write Register Transmission speed 9600 19200 38400 or 57600 bit s Application Remote operation control and programming of all the parameters Special fu...

Page 8: ...ad 1 11 PN2 kW IN2 A Ip A Iz A MFC710 0 37kW 0 37 1 5 0 55 2 0 2 25 6 3 MFC710 0 55kW 0 55 2 0 0 75 2 5 3 0 6 3 MFC710 0 75kW 0 75 2 5 1 1 3 5 3 75 6 3 MFC710 1 1kW 1 1 3 5 1 5 4 0 5 25 6 3 MFC710 1 5...

Page 9: ...135 160 75kW 75 120 90 150 180 200 90kW 90 150 110 180 225 225 110kW 110 180 132 200 270 315 132kW 132 200 160 250 300 315 160kW 160 250 180 300 375 400 200kW 200 300 250 380 450 500 250kW 250 380 250...

Page 10: ...0 500 550 560kW 560 2 560 560 615 630kW 630 2 630 650 715 800kW 800 2 800 800 920 1 For ambient temperature 35 0 C 2 For frequency converters at nominal power 400 kW and above the range of overload is...

Page 11: ...requency converters MFC710 690V type Modification The type of converter 6 MFC710 690 Dimensions mm a A b B C d1 d2 1 2 Weight 1 kg B 75 kW 5 90 kW 5 110 kW 5 132 kW 5 838 927 865 955 190 370 283 434 4...

Page 12: ...t can cause an electric shock The time required for self discharge of capacitors in an undamaged drive is usually between 5 15 minutes a higher power rating of the frequency converter means the longer...

Page 13: ...insignificant condensation on the external side of the converter case is permitted only when the converter is disconnected from the voltage source Air pressure from 86 kP to 106 kP from 86 kPa to 106...

Page 14: ...f 5 Class C3 The drive with the power above 18 5 kW with the use of assembly principles section 2 1 2 and the equipment section 2 1 2 without items f 4 and f 5 Resistance IIEC EN 61800 3 2008 first a...

Page 15: ...wer Electronics 15 Fig 2 2 HELUKABEL TOPFLEX EMV 3 PLUS 2YSLCY J 600 1000 V PE PE PE MFC710 L1 L2 L3 BR DC 2 Dynamic braking resistor option Overcurrent protection Power switch PE L1 L2 L3 PE U V W PE...

Page 16: ...f a B type due to different nature of a differential current c Disconnecting device In order to comply with EU directives according to IEC EN 60204 1 2010 power drive which consists of a frequency con...

Page 17: ...l 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 examp...

Page 18: ...2 for AO2 Analog inputs operating mode J3 for AI1 J4 for AI2 Operating mode of DI6 Voltage mode Current mode Voltage mode Current mode Digital input mode Motor thermistor mode 1 15 16 30 X3 X6 Digital...

Page 19: ...mmatic delay of the response to the STOP command par 1 34 and the possibility of setting a stop on a ramp par 1 64 For this reason in order to avoid damage to the converter it is necessary to control...

Page 20: ...nction key F 4 Start left and start right keys Note the electric motor rotation direction depends on the order of the wire connections at the terminals U V W 5 Stop Reset key The navigation keys 3 are...

Page 21: ...hod of controlling the converter and its operating status The description of individual display segments is presented in table 3 2 Table 3 2 Description of the individual display segments 1 Control pl...

Page 22: ...t A LO LO 0 6 Universal blocks 6 1 Block nr 1 A LO LO 15 kW 1 Drive conf 1 1 Pn A LO LO 1450 rpm 1 Drive conf 1 2 Rn A LO LO 133 Keyb ref 2 Refer control 2 2 Ref unit A A LO LO 000 Sw Off 6 Universal...

Page 23: ...Konfig napedu 01 03 Prad In A LO LO 30 0 A 1 Drive conf 1 3 In A Loc Lo 12 0 A 01 Konfig napedu 01 03 Prad In A LO LO A 1 Drive conf 1 3 In 0030 0 The new value of the parameter 1 3 In Parameters ove...

Page 24: ...ets SET 1 SET 2 SET 3 of all parameters of the converter for later upload to the same or another converter of the same type Copying parameters from the converter to the control panel press and hold th...

Page 25: ...ameter to 000 NO causes that all changes made to parameter settings are saved only in the temporary memory and will be lost after power off or reset of the converter 3 9 1 PD access levels In order to...

Page 26: ...ample of using an access lock After power up the converter defaults to PD 1 access level par 4 2 Level CODE 1 and par 4 1 Par block is set to 000 NO This enables the change of all parameters of the co...

Page 27: ...malfunction of the system These parameters correspond to the motor in the star connection Us is the phase voltage After performing the IDENTIFICATION RUN procedure or manually entering these parameter...

Page 28: ...f const A1 A2 A3 Output 0 0 0 No f const 1 0 0 f const 1 par 2 33 0 1 0 f const 2 par 2 34 1 1 0 f const 3 par 2 35 0 0 1 f const 4 par 2 36 1 0 1 f const 5 par 2 37 0 1 1 f const 6 par 2 38 1 1 1 f...

Page 29: ...39 par 2 1 1 0 1 0 REVERSE PCH 38 Defines change of a sign of ref unit and change of a direction of rotation See the block diagram of frequencies selector Constraint START STOP by means of RS only wh...

Page 30: ...nput AI1 136 In A2 for an analog input AI2 Set up the source of START STOP signal by par 2 4 control place A or 2 5 control place B to 030 Dig Inp St Make sure that the constant speed selection is not...

Page 31: ...n W2 comes from digital input DI6 W2 DI6 2 32 W3 000 Sw Off W3 0 ATTENTION see structural circuit of frequency referencing unit section 4 2 1 As a result of choice of such parameter configuration it i...

Page 32: ...re using DI4 please move a source of external reset to another digital input DI or just turn it off par 3 70 There are four available modes of motopotentiometer operation 0 1 2 and 3 Modes 0 1 and 2 s...

Page 33: ...parameters which define their function in the system Inputs are selected by control configuration parameters to perform certain actions fig 4 9 Note in order to set the configuration shown in Fig 4 9...

Page 34: ...ed K1 K2 i K3 or DO1 DO2 and DO3 1 transistor open collector output marked DO4 Each digital output can simultaneously realize up to two programmed functions In table 4 5 there are parameters which ser...

Page 35: ...ponds to voltage value 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...

Page 36: ...s variant 1 or 2 You can also decide that the choice of dynamics will be carried out through one of digital inputs ATTENTION setting up too small time of acceleration can result in occurrence of high...

Page 37: ...t up on 0 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 motor it is recommended to use vector mode of control p...

Page 38: ...inal frequency of the motor parameter 1 40 allows to limit the top limit of output frequency of the drive Standard option is 50 Hz Maximal value in Vector1 vector2 operating mode is 200 Hz it is the a...

Page 39: ...is developed on the basis of the following assumptions the temperature of windings changes according to exponential law the electric motor achieves the maximal temperature for continuous work at a ra...

Page 40: ...ieve 63 from value of a final gain In practice it is possible to accept option Par 3 5 120 t6 min where t6 s is provided by motor manufacturer Demonstration values of constants of time are resulted in...

Page 41: ...ult When the blockade of autostart is disabled then an active start signal is a necessary for the converter autostart e g high state of digital input DI1 Fig 12 8 shows the difference in converter ope...

Page 42: ...ng process will only be finished when one of the following conditions occurs start converter command no signal that allows the drying process par 1 96 operation blocking or converter failure Parameter...

Page 43: ...ocess is active rejestr 2007 bit 1 PCH 67 yes Time remaining until the drying process is completed par 0 38 PCH 195 par 1 99 no Enable Disable 0 Fig 4 21 Motor drying process Example 1 The start of th...

Page 44: ...and rotor Lr Stage 3 Experiment with rotation at 50 Hz or 25 Hz The motor rotates powered by voltage with frequency of 50 or 25 Hz the device defines inductance Lm 5 1 2 Switching on identification ru...

Page 45: ...s 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 structu...

Page 46: ...ny problems The failure or warning message appears as the fourth screen in the Basic View Fig 3 2 To return to it go to the basic view and select the appropriate screen with the keys 6 2 Deleting fail...

Page 47: ...hrough the converter is complicated too high temperature of environment Check efficiency of ventilation efficiency of the ventilating fan and pollution of a heat sink 2 F par 3 35 Earthing The sum of...

Page 48: ...t values of frequency converter reached operational limits of current torque and or voltage Check the drive system the motor load Change the parameters 3 45 3 46 3 47 20 F W par 3 30 Output Symmetry A...

Page 49: ...he following frequency converter conditions during the time of incident time the incident occurred a relative time related to the total number of operating hours of the converter par 0 35 e g 95 h mea...

Page 50: ...100 0 100 0 Ref A0 100 0 Ref RC 2 10 100 0 100 0 100 0 100 0 100 0 100 0 Ref A0 100 0 Ref A1 2 20 Sw Off Sw Off Sw Off Sw Off In C6 Sw Off Sw Off Sw Off Sw Off 2 21 Sw Off Sw Off Sw Off Sw Off In C5 S...

Page 51: ...on Kp Amplification of proportional component of PID controller The bigger amplification the faster reaction to speed error 2 64 I Const Ki So called time of PID controller doubling 0 01 320 00s 0 01...

Page 52: ...r than value par 2 67 par 2 71 the error will be higher than par 2 71 Functioning of limitation and SLEEP blocking is shown in fig 8 4 9 Reeler calculator MFC710 has built in application of reeler cal...

Page 53: ...fig 9 1 Basing on this value application determines maximum torque 0 0 32000mm 5 6 Mo Friction torque set in 10 Pump Group Controller The MFC710 built in control system of pump group or ventilating f...

Page 54: ...ory 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 section 3 7 After loading this set...

Page 55: ...YES 10 4 A configuration of pump amount and operating modes of separate pumps blocking of pumps Maximum quantity of pumps which are switched on simultaneously is set up by parameter 5 28 For example i...

Page 56: ...additional pumps First additional pump that will be switched on is the pump with number next to the number of the leading pump according to a sequence shown in fig 10 6 When the control system makes...

Page 57: ...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 co...

Page 58: ...nter in range 0 511 decides which PCH will be picked value of this PCH is output value see fig 11 1 11 3 Modification of standard control Part of parameters in the frequency converter MFC710 are defin...

Page 59: ...o receive effect as it is shown in fig 11 4b A LO LO 45 pcs 0 54 U1 preview 0 View A LO LO Usr1 25 0 Hz fOut Imot 9 8 A 45 pcs a b Fig 11 4 parameter 0 54 Usr1 in group 0 a in the Basic mode due to se...

Page 60: ...H 180 UR3 PCH 181 UR4 11 6 System of rotation counter System of rotations counter serves for measuring the amount of rotations of connected to converter encoder Parameter 4 28 Scale determines the qua...

Page 61: ...logical arithmetical time counting sequencer multiplexer curve shaping functions see appendix B Each of these units has 3 inputs which have been marked A B and C and are depending on the selected func...

Page 62: ...down up transition of a signal CLR Force transition into STATE 1 when CLR H differs from 0 SET Force transition into a STATE determined by input SETVAL when SET H the priority is lower than CLR SETVAL...

Page 63: ...y 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 Ap...

Page 64: ...f nominal speed The signal which informs about achievement of the first value of speed enables Unit 3 The Unit 3 is the counter which counts downwards from value 5 ST3 every 1 second constant speed fo...

Page 65: ...002 4 8 RS speed possible options is 9600 19200 38400 57600 bits per second 4 9 Number of device converter in MODBUS protocol possibility of connecting several converters through one communication cha...

Page 66: ...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 bits 4 1 PID referencing unit from...

Page 67: ...ime needed for the internal DC link capacitors to discharge and the inverter has cooled down If maintenance work requires the housing to be disassembled make sure it is not present voltage in the inte...

Page 68: ...tion 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 f...

Page 69: ...1min Signal of timer with 1min period and 50 filling 093 Timer 1 hour t 1hour Signal of timer with 1 hour period and 50 filling 094 124 Reserve Value always 0 125 RSTout Value corresponding to timeou...

Page 70: ...n parameter 2 70 159 Motor temperature Estimated motor temperature in resolution 0 1 160 PID Input Value of PID controller input It serves for connection of regulated process signal This is a copy of...

Page 71: ...or Value corresponding to currently working motor Range 0 4 195 motor windings drying timer Time remaining until the end of motor windings drying process in minutes equivalent to par 0 38 196 197 Rese...

Page 72: ...X Y 316 319 Reserve Value always 0 320 CONST 1 Constant number 1 Can be used as a factor in calculations made with help of Universal Block It is a copy of parameter 5 120 321 CONST 2 Constant number...

Page 73: ...tion of an output range Output signal of the unit is between b minimum and c maximum according to rules described below If a b OUT b If a b or a c OUT a If a c OUT c 7 B a C The same as item 6 but B a...

Page 74: ...it is inversion of logical sum of values a b and c NOR 22 NOT a AND b AND c OUT of the unit is inversion of logical product of values a b and c NAND 23 NOT a Logic inversion of an input value a 24 Acc...

Page 75: ...own up transition Timp B 5 T T C polarity Caution the minimal duration of triggering impulse TRIG is 1 T Impulse on OUT is maximally 1 T delayed in comparison with TRIG signal Next use of generator is...

Page 76: ...xer description section 12 3 42 Multiplexer 2 inputs not active Look at multiplexer description section 12 3 43 Unit of curve formation Look at description of the unit of curve formation section 12 4...

Page 77: ...id powering the converter V calculated from Udc 0 12 Out pow Current output power of the converter at kW 0 13 Energy Value of energy which has been transferred to the motor from the time of switching...

Page 78: ...ng the converter V 0 76 AcR Temp1 Temperature of the active rectifier IGBT modules 0 C 0 77 AcR Temp2 Temperature of the active rectifier IGBT modules 0 C 0 78 AcR Fault code AcR error code 0 79 AcR v...

Page 79: ...1 26 Mot choice PCH Set PCH to choice the active motor 000 PCH 0 511 PCH 511 NOTE If logical variable is selected the choice of the active motor is between Motor 0 and Motor 1 000 Sw Off PCH 0 NO 1 3...

Page 80: ...sible Udc voltage value YES YES 1 63 Reg Low Udc Service parameter NO YES 1 64 Stop mode Stopping by coast or according to characteristic 001 Coast stopping by running out after STOP command voltage t...

Page 81: ...mination range number 1 0 0 550 Hz See chapter 4 3 3 Elimination of frequencies 0 0 Hz YES 1 91 f elim1 max Maximum frequency of frequency elimination range number 1 0 0 550 0 Hz See chapter 4 3 3 Eli...

Page 82: ...current controller 0 32767 100 YES 1 108 ki Id 0 32767 115 YES 1 109 kp Iq kp and ki coefficients of the PI iq current controller 0 32767 100 YES 1 110 ki Iq 0 32767 115 YES 1 112 df carr AcR Service...

Page 83: ...of the referencing unit 0 550 0 Hz Note see also par 1 40 50 0 Hz YES 2 13 f stop Minimal absolute value of referenced frequency 0 0 550 0 Hz 0 5 Hz YES 2 14 Use f stop Stopping when f par 2 13 YES de...

Page 84: ...urce of W3 signal for referencing constant speeds as above 000 Sw Off YES 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...

Page 85: ...1 referencing regulated value from analog referencing unit Ref A1 146 Ref A2 referencing regulated value from analog referencing unit Ref A2 145 Ref A1 YES 2 62 Error inv Negation of controller s erro...

Page 86: ...g output AO2 as above 152 Current YES 2 82 Out A1 Cfg Configuration of analog output AO1 Tryb napi ciowy Tryb pr dowy 0 10 V 0 V 0 0 0 mA 0 0 10 V 100 0 20 mA 100 0 10 0 V 0 V 100 0 0 mA 100 0 10 V 0...

Page 87: ...8 f thresh 1 Threshold frequency 1 0 0 550 0 Hz 25 0 Hz YES 2 99 f thresh 2 Threshold frequency 2 0 0 550 0 Hz 45 0 Hz YES 2 100 Thresh temp Threshold of the heatsink overheat warning PCH 71 0 80 C 70...

Page 88: ...t serve as referencing unit 000 Sw Off don t report failures 001 In C1 006 In C6 reporting failures when there is voltage supplied on digital input DI1 DI6 007 Sw On always report failures 000 Sw Off...

Page 89: ...00 None no reaction 001 Warning a warning will be displayed device will keep working with referenced frequency 002 Failure the drive will stop and the message will be displayed 003 Last freq a warning...

Page 90: ...Sw Off YES 4 8 RS baudrate Transmission speed Transmission speed bps 000 38400 001 57600 002 9600 003 19200 Note restart the converter is necessary to activate the changes 002 9600 YES 4 9 Unit no Id...

Page 91: ...000 YES 4 46 UR3 Unit Unit of ref unit US3 Displayed unit See table 11 3 005 YES 4 47 UR3 dec p Number of decimal places Number of decimal places for US3 ref unit 0 3 1 YES 4 48 min UR4 Minimum 5000 5...

Page 92: ...eferencing unit 3 147 100 0 147 100 0 YES 5 3 v max Max linear speed Linear speed which correspond to 100 0 of linear speed signal 0 00 320 00 m s 10 00 m s YES 5 4 d min Minimum diameter of a roller...

Page 93: ...referencing unit for pumps control Source of pressure signal 144 Ref A0 146 Ref A2 from analog referencing units direct control of pumps group 158 RefPID from PID controller output most common settin...

Page 94: ...YES 5 70 Mux1 In 7 Value of input 7 MUX1 PCH 000 PCH 511 PCH 000 0 YES 5 71 Mux1 In 8 Value of input 8 MUX1 PCH 000 PCH 511 PCH 000 0 YES 5 80 En Mux2 Signal of switching on MUX1 PLC block PCH 000 PCH...

Page 95: ...block par 6 1 PCH 000 Sw Off NO 6 4 Inp C 1 Input C of block 1 PCH 0 PCH 511 Parameter is accessible or not depending on function of block par 6 1 PCH 0 NO 6 5 Block no 2 Function of block 2 0 39 see...

Page 96: ...Appendix D EU declaration of conformity Appendix D EU declaration of conformity 96 Frequency converter MFC710 type TWERD Power Electronics...

Page 97: ......

Page 98: ...Zak ad Energoelektroniki TWERD sp z o o ul Aleksandrowska 28 30 87 100 Toru Poland tel 48 56 654 60 91 e mail twerd twerd pl SCALONE FIGURY www twerd pl...

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