Brochure CFW700
Contents
1. used An extra resistor must be fitted in for dynamic braking capability Optimal Braking There is no need for braking resistor DC braking DC current applied to motor 22 CFW700 Variable Speed Drive www weg net m E g Technical Data F Regulation 1 of rated speed Voltage vector VVW Speed variation range 1 30 Regulation 0 5 of rated speed Vector with encoder Speed variation range 1 100 encoder interface built in Regulation 0 1 of rated speed with digital reference keypad serial fieldbus multispeed Regulation 0 2 of rated speed with 12 bits analog input v Regulation 1 of rated speed Speed variation range 1 20 Speed control Range 10 to 180 Regulation 5 of rated torque Torque control Range 20 to 180 Sensorless vector Regulation 10 of rated torque above 3 Hz Digital 8 x isolated bidirectional 24 V Inputs heals 2 x 10 V 11 bits signal differencial or 0 4 20 mA 11 bits differencial Impedance 400 KQ for voltage signal 500 Q for current signal Rela 1 x relay NO NC contact 240 V ac 1 A Output 4 x open drain 24 V 200 mA 2 x 0 10 V or 0 4 20 mA 11 bits not isolated from inverter ground 24 V power supply capacity 500 mA available for the user including I Os USB in the display SuperDrive and WLP communication Modbus RTU RS485 built in SuperDrive and WLP communication RS485 built in available at2. 40 104 ND 90 122 HD 45 113 ND HD 50 122 ND HD 50 122 ND HD 40 104 ND 45 122 HD 6 3 13 9 Standard CFW700B31P0T4 CFW700C38P0T4 CFW700C45P0T4 CFW700C58P5T4 5 1 190 221 293 190 22m 10 4 50 122 _ND HD c 448 1 220 293 378 220 293 20 5 17 64 8 67 11 52 14 88 8 67 11 52 45 2 21 63 11 81 12 00 19 84 11 81 12 00 71 8 p 28 94 335 358 620 335 358 828 9 13 2 14 1 24 4 13 2 14 1 32 63 13 82 7 46 8 94 11 53 7 46 8 94 22 9 55 21 63 3 50 122 ND HD 50 122 ND HD 300 305 504 300 305 50 122 ND HD 50 122 ND HD 32 6 21 63 11 81 12 00 19 84 11 81 12 00 50 122 ND HD 50 122 ND HD 71 8 50 122 ND HD 50 122 ND HD 35 0 5 5 65 0 143 3 Optional Standard Optional 65 0 143 3 0 E es s 7 alls 7 oe 28 94 13 2 14 1 26 57 13 2 14 1 45 113 _ND HD 45 113 _ND HD 45 113 _ND HD Note weight data is for the VSD as IP20 enclosure if IP21 and NEMAT kits are being added the total weight will change Consult the user manual for additional information So Wie mmm gyer A a AL GI IL 0 0 t ERRE o E A Le A W CFW700 Variable Speed Drive 15 IT E g www weg net Technical Features Main Parts Frames A B and C Rear part of the inverter external part for flange mounting Flash memory module not included Control
3. ferrarisrl it Cod 50030009 Rev 04 Date m y 08 2014 The values shown are subject to change without prior notice
4. 105 110 115 120 125 130 135 140 145 150 155 16 0 165 170 Time s visible Color Description Sample time Sample v Unit Minimum Maximum 5 064 16 5 575 508 5 064 16 Config Trace Acquire data CFW700 Variable Speed Drive 13 IT E g www weg net Drive Ratings Normal Duty ND Cycle Heavy Duty HD Cycle 110 for 60 seconds every 10 minutes 150 for 60 seconds every 10 minutes 150 for 3 seconds every 10 minutes 200 for 3 seconds every 10 minutes Sizing a VFD The correct way to size a frequency inverter is by matching its output current with the motor rated current However tables below present the expected motor power for each VSD model The purpose of the table below is for guidance as motor rated current may vary with number of poles and manufacturer Note motor power stated on this table is based on IEC standard for IV poles motor Motor Voltages 220 V and 230 V Bylwl m s ros ojo E N 01 oO Motor Voltages 380 V and 460V Motor Voltages 500 V and 600 V 14 CFW 700 Variable Speed Drive oO oO a JT al o gt Ion n gt ial gt ee is ea a El bd B4 BI Ki N on Bi clr rm o NIN En 01 i SJ 01 o1 oO 01 oO Dimension mm www weg net IT E g Maximum surronding air temperature with no in derating C F _ ND HD O NEMA O IP20 IP21 P20 NEMM IP21 Weight kg Ib Braking IGBT CFW700A06P0S2 50
5. 122 ND HD 50 122 ND HD 227 50 122 ND HD 45 113 _ND HD 8 94 50 122 ND HD 305 12 02 145 5 71 5 113 ND HD CFW7OOA10POT2 CFW700A13P0T2 CFW700A16P0T2 CFW700B24P0T2 CFW700B28P0T2 CFW700B33P0T2 CFW700E0142T2 CFW700E0180T2 CFW700E0211T2 CFW700A03P614 CFW700A05P0T4 CFW700A07P0T4 CFW700A10P0T4 CFW700A13P5T4 CFW700B17P0T4 CFW700B24P0T4 50 122 ND HD 45 113 ND 50 122 HD 50 122 ND HD 45 113 ND HD 221 190 227 50 122 ND HD 8 94 11 53 7 46 8 94 122 ND HD 227 145 8 94 9 73 5 71 247 9 73 3 190 293 13 82 7 46 11 53 5 7 45 11 50 122 ND HD 45 113 ND 50 122 HD 50 122 ND HD 40 104 ND HD 50 122 ND HD 45 113 ND 90 122 HD 6 13 9 Standard 51 3 50 122 448 1 220 293 378 220 293 W d W I 20 5 17 64 8 67 11 52 14 88 8 67 11 52 uae ne IU eee 45 2 i i i i 50 122 _ND HD 50 122 _ND HD 305 504 300 305 50 122 ND HD 50 122 ND HD 32 6 21 63 11 81 12 00 19 84 11 81 12 00 50 122 ND HD 50 122 ND HD 71 8 35 10 4 22 9 oO 0 28 94 335 358 620 335 358 IE NORE 65 Ooiional 828 9 13 2 14 1 24 4 13 2 14 1 45 113 _ND HD 45 113 _ND HD 143 3 32 63 45 113 ND HD 45 113 ND HD 45 113 _ND 50 122 HD 45 113 _ND HD A 145 221 247 145 221 12 02 5 71 8 94 9 73 5 71 8 94 50 122 _ND HD 3 3 50 122 ND HD 50 122 ND HD
6. 13P5 13 5 A 17P0 17 A 24P0 24 A 31P0 31 A 38P0 38 A 45P0 45A 58P5 58 5 A 70P5 70 5 A 88P0 88 A 0105 105A 0142 142A 0180 180 A 0211 211A S single phase power supply 2 200 240 V 20 21 or N1 Blank or C3 T three phase power supply 4 380 480 V 21 or N1 NB or DB 20 or N1 c3 CFW700 Variable Speed Drive 21 m E g www weg net Coding 4P2 4 2A 4 2A ae 7A ee ee ee Se 22A 27P0 27 A three T three phase power 5 500 600 V O ao supply OO 44PO 44A 63P0 63A 63P0 63A KE 80PO 80A a eae 0150 150A Technical Data Single phase 200 220 V ac 10 15 200 220 V ac 10 15 Voltage Three phase 380 480 V ac 10 15 500 600 V ac 10 15 Single phase 1 5 to 3 HP 1 1 to 2 2 kW ee 1 5 to 75 HP 1 1 to 55 kW Three phase 2 to 150 HP 1 5 to 110 kW 2 to 175 HP 1 5 to 110 kW 50 60 Hz 2 _48 to 63 Hz peplacenen factor Greater than 0 98 Greater than 0 97 paWen factor 0 94 for three phase input at nominal conditional 0 70 for single phase input at nominal conditional 0 to 3 4 x rated motor frequency P0403 The rated motor frequency is programmable from 0 Hz to 300 Hz in the V F and VVW modes and from 30 Hz to 120 Hz in the vector mode Maximum output frequency limit according to the switching frequency 125 Hz switching frequency 1 25 kHz 250 Hz switching frequency 2 5 kHz 500 Hz switching frequen
7. are decreased tests were conducted based on the set WEG high efficiency MOTOR WEG VSD 2 CFW700 Variable Speed Drive www weg net m E g Simplicity The new CFW 700 was designed based on the Plug amp Play technology concept where by plugging in expansion modules hardware and software recognize It automatically Also this feature allows for easy installation and safe operation with no need for additional configuration Certifications CE 46 CG lel CPA NG S te S In e 200 240 V ac Single phase Oro Ss KV 10 75 RR 220 240 V ac Three phase IOO TNE ue 1S EE 380 480 V ac Three phase 1 3 WO WO 12 We WS IPE 500 600 V ac Three phase Slot 3 Communication protocol module accessory Slot 5 Flash memory module accessory CFW700 Variable Speed Drive 3 E g www weg net Technical Features Characteristics Integrated in the Standard Product Linedrive encoder or push pull Active high low digital inputs GND ENC A RS485 B RS485 D02 DOS D04 DOS 01 02 03 04 05 06 07 08 OY 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Encoder Interface For applications reguiring closed loop control the encoder module is available at the control terminals No need for external power supply for the encoder module 5 V dc 5 V line drive or push pull types can be used RS485 Port Built In Modbus RTU communication prot
8. the control terminals CAN 01 slot 3 CAN 01 slot 3 Profibus DP V1 slot 3 UL 508C Power conversion equipment UL 840 Insulation coordination including clearences and creepage distances for electrical equipment EN 61800 5 1 Safety requirements electrical thermal and energy EN 50178 Electronic equipment for use in power installations EN 60204 1 Safety of machinery Electrical equipment of machines Part 1 General requirements In order to have a machine in conformity with this regulation the machine builder is resposible forthe installation of na emergency shutdown device and na equipment for power disconnection EN 60146 IEC 146 Semiconductor converters EN 61800 2 Adjustable speed electrical power drive systems Part 2 General requirements Rating specifications for low voltage adjustable frequency A C power drive systems EN 60529 Degrees of protection provided by enclosures IP code UL 50 Enclosures for electrical equipment EN 61800 3 Adjustable speed electrical power drive systems Part 3 EMC product standard including specifc test methods EN 55011 Limits and methods of measurement of radio disturbance characteristics of undustrial scientific and medical ISM radio frequency equipment CISPR 11 Industrial scientifc and medical ISM radio frequency equipment Eletromagnetic disturbance characteristics Limits and methods of measurement EN 61000 4 2 Electromagnetic compatibility EMC
9. 0 Variable Speed Drive www weg net T E g Coding Check table below NB braking IGBT not available DB braking IGBT available 20 IP20 21 IP21 not available for frame size E N1 NEMA1 enclosure CFW700 Note check table enclosures at chapter Accessories Blank with no RFI filter C3 according to category 3 of IEC 61800 3 standard Blank with no STO function Y1 with STO function according to ISO 13849 1 category 3 Blank with no external power supply board W1 control circuit is supplied through an external 24 V power supply Notes 1 Frame size E comes equipped with RFI filter as standard 2 This option is not available for models frame size A with the option for NEMAT O6PO 6 0 07P0 7 0A B single three phase power supply 2 200 240 V O6P0 6 0 A A 07P0 7 0 A S single phase power supply 2 200 240 V 10P0 10A 20 21 or N1 Blank 07P0 7 0 A A 10P0 10 A 13P0 134 20 21 or N1 s Blank or C3 16P0 16 A a 20 21 or 33P5 33 55 A 2 200 240 V DB Blank or C3 45P0 45A S three phase power supply 54P0 54 A 70P0 70A 86PO 86 A TES 105A a ori 0142 142 A 2m 220230 NB or DB 20 or N1 3 0180 180A B single three phase power supply 2 200 240 V DB 20 21 or N1 Blank 0211 211A 20 21 or N1 i Blank or C3 06P0 6 0 A 07P0 7 0 A 06P0 6 A 07P0 7 0 A 10P0 10A 3P6 3 6 A 05P0 5 0 A 07P0 7 0 A 10P0 10 A
10. Motors Automation Energy Transmission amp Distribution Coatings CFW700 General Purpose Drive Variable Speed Drives ey y j y 4 y y y IT E g www weg net CFW700 General Purpose Drive The CFW 700 was developed for controlling squirrel cage three phase induction motors it is a general purpose drive that gives customers the fexibility needed for the control of applications ranging from simple speed control to more demanding ones as torque control Designed for exclusively industrial or professional use the CFVW 700 features Sensorless and Closed Loop control as standard utilising the internal micro PLC the SoftPLC means that the CFW700 can be used for more sophisticated applications like overhead cranes PCP Progressive Cavity Pump pump jack and many more Own Technology Vectrue Technology WEG Variable Speed Drive Control Technology Four control modes in one drive linear and adjustable V F VVW Voltage Vector WEG sensorless vector and closed loop vector encoder interface factory built Sensorless vector control allows for high torque and quick response in open loop even at low speeds Self tuning function automatically matches VSD with motor load when on Sensorless VVW and closed loop vector mode Through adjustable V F control it is possible to adjust a quadratic V F curve and that im
11. Part 4 Testing and measurement techniques Section 2 Eletrostatic discharge immunity test EN 61000 4 3 Electromagnetic compatibility EMC Part 4 Testing and measurement techniques Section 3 Radiated radio frequency electromagnetic feld immunity test EN 61000 4 4 Electromagnetic compatibility EMC Part 4 Testing and measurement techniques Section 4 Electrical fast transient burst immunity test EN 61000 4 5 Electromagnetic compatibility EMC Part 4 Testing and measurement techniques Section 5 Surge immunity test EN 61000 4 6 Electromagnetic compatibility EMC Part 4 Testing and measurement techniques Section 6 Immunity to conducted disturbances induced by radio frequency fields Overcurrent short circuit Under overvoltage in the power section Phase Loss VSD thermal overload IGBTs rectifier and in the eletronics Motor thermal overload Braking resistor overload IGBTs overload Motor overload Fault external alarm CPU failure Phase to ground short circuit at the output Failure at the heatsink fan Motor overspeed Wrong connection of encoder wiring CFW 700 Variable Speed Drive 2 Ce meg WEG Group Automation Business Unit Jaragu do Sul SC Brazil Phone 55 47 3276 4000 automacao weg net www weg net Distributore Ufficiale FERRARI 26015 Soresina CR Italy Via o 25 Tel 0374 340404 Fax 0374 342413 www ferrarisrl it ferrarisr
12. a VNIIITITINI a Airflow Flange Mounting IP54 Rated When Mounting the Heatsink Outside the Enclosure a mI b3 e3 d3 SS Airflow 115 4 53 250 9 85 130 5 12 240 9 45 135 5 32 295 8 86 a 150 5 91 300 11 82 175 6 89 285 11 23 179 7 05 271 10 65 150 5 91 375 14 77 OoOo MG 195 7 68 365 14 38 MB 205 8 08 345 13 59 w 200 7 88 525 20 67 OoOO Mo 275 10 83 517 20 36 OO Mo 285 11 23 485 19 10 me A 200 7 8 650 25 6 OO Moo 275 10 8 635 25 OO Moo 315 12 40 615 24 21 CFW700 Variable Speed Drive 19 m E g www weg net Technical Features DC busbar connection Connection for brakingresistor rrrra Filter C3 available for models DC CFW700 C3 R L1 L Pre S L2 N f Kak b Power network Three phase sf x a Inverter rectifier S amp 3 5 with IGBT Be transistors oO o oS 8 2 a ma g Be z Se Do a 5 o S RFI Filter 5 mo S BE Feedbacks Voltages Current CONTROL Power Supplies for electronics and interfaces between power and control Accessories COMM 1 slot 3 green CC700 Control card with 32 bits RISC CPU FLASH Memory module slot 5 Notes 1 Diode type rectifier bridge 2 Standard for frame sizes A to D 3 RFI filter factory built for frame size E 20 CFW70
13. accessory module Mounting supports for through the wall mounting Front cover f e U T 1 Fan with mounting support CC700 control board Status LED 16 CFW700 Variable Speed Drive Technical Features Main Parts Frames D andE Flash memory module not included CC700 control board Control accessory module Status LED Control rack cover Bottom front cover www weg net m E g Mounting supports for through the wall mounting Rear part of the inverter external part for plange mounting Hoisting eye only on frame E Fan with mounting support CFW700 Variable Speed Drive 17 E g www weg net Mounting Considerations Standard Installation Innovative design allows the CFW700 to be assembled in three different ways T 25 0 98 25 0 98 l 10 0 39 30 1 18 40 1 57 45 1 77 10 0 39 30 1 18 110 4 33 130 5 12 10 0 39 30 1 18 A E 100 3 94 250 9 84 20 0 78 Side by Side Installation The possibility for installing CFW 700 series with no space in between allows for panel space saving Note for side by side assembly option check user manual for further operating temperature details 18 CFW700 Variable Speed Drive www weg net m E g Mounting Considerations Panel Assembly Surface Installation DIII 743 i 44 4 a f s SSSS111 UU PPPA EiteS1111111144 rnn NLN
14. cy 5 kHz Standard 5 kHz A B C e D frames 2 5 kHz for all 380 V models frame E 2 5 kHz for frame E 220 V models 142 180 Amps ND 2 5 kHz for frame E 220 V model 211 Amps ND HD 5 kHz for frame E 220 V models 142 180 Amps HD Available options for 2 5 5 10 kHz check for derating Normal Duty 110 for 1 min every 10 min ND 150 for 3 s every 10 min Overload 5 Heavy Duty 150 for 1 min every 10 min a 200 for 3 s every 10 min Aecteration 010 999s Deceleration 0 to 999 10 to 50 C 14 to 122 F for most of models For operating temperature of each model the table Dimensions Weight and Temperatureshall be checked Temperature 10 60 C for frames A B C and D up to 45 C without derating for models 13 A and 24 A 200 240 V 7 and 10 A 380 480 V and up to 50 C without derating for the other models and 10 55 C for frame E up to 45 C without derating If derating has to be considered have 2 current reduction for each C above the specific operating temperature 5 to 90 with no condensation Altitude 0 to 1 000 meters with no derating Up to 4 000 meters with current reduction of 1 for each 100 meters above 1 000 meters Available as standard for frame sizes A B C and D for 460 V and D for 600 V For frame size E DB models has to be lt gt e lt Frequency range Switching frequency Dynamic braking
15. ive USB connection Key for scrolling through menus and perameters Left soft key function defined by display and for modfying perameter content FWD REV selection Star key Local Remote selection Stop key Ce 7OO JOG key Remote Keypad The keypad can be remote assembled by using this configuration degree of protection IP56 can be achieved A ae 4 a 8 CFW700 Variable Speed Drive www weg net IT E g Inverter status PARAM LOC CONF Menu parameters fi Auxiliary display group selection only READ REM SUB ow an E Oo one parameters group MODIF ru RUN E JE ILI oon BASIC MOTOR E is shown each time Units of measurement gt R cae CHE kWh refers to the main i A D f ofizP display value ap am an an a hoy HMI ILNI E Sma CP 0 P 0 P 0 P 0 rpms SPLC Variable monitoring bar STARTUP ms KE a IN INNI HHENI Main display Programming Mode Monitoring Mode CFW700 Variable Speed Drive 9 m E g www weg net Accessories Blank Cover HMID 01 Remote Keypad Frame RHMIF 02 Used when there is no need for keypad Used when remote keypad is needed it can be installed at the panel door as well as machine console IP56 degree of protection CAN 01 CANopen and DeviceNet Flash Memory Module MMF 02 The possibility to connect the CFW700 into a CANopen or This module allows for backup of VSD parameters DeviceNet network ensuring the programming
16. ks Allows user password User can save software in the memory flash card to be downloaded into other VSDs Free of Charge Software WLP WEG Ladder Programmer Software designed for development of user application through the micro PLC embedded in the CFW700 hardware The WLP tool features the following capabilities Ladder programming PLC math and control blocks are available Access to all CFW700 parameters On line monitoring as well as help topics RS485 connection with the drive 49 user parameters can be individually accessed allowing for creation of a variety of applications Software SuperDrive G2 It is a windows based software designed for the programming commanding and monitoring of WEG VSDs The following features the user can benefit from Automatic CFW700 recognition CFW700 parameters monitoring Off line On line change of parameters Reports can be created Backup of parameters Start Stop command as well as speed reference can be sent to the drive EZ Domo Cw Cyt Piga por Feranartas Conan Compraste Mao Mia Abts Djeng sa 2cm lela a ena s aj Vio eaaa a R alre 1 lej ejeje OY ceg a elo wiw aeae ve ol alala 37 ilal lH waleleis f al BABILITACAS DO CONVERSOR Para apie gressone Fi 9052 00 v1 5 ind d Peprei de a2a ueeme0 ee ee Trace Function Restore width Restore height Legend Trigger 05 06 07 13 31 45 FC 25 E 4 a 0 il 2 500 01 5000 95 100
17. m control of other compressor units with an increased efficiency of the pressurization system Pulp amp Paper Wood Precise speed and torque control Flexible hardware programming and confguration making applications where syncronism is required easier Can be integrated in a variety of communication protocols commonly used in the industry Provided in a compact design the CFW700 series allows for side by side assembly Quick and simplified programming Highly reliable and robust Chemical amp Petrochemical Highly reliable and robust Plug amp Play system for additional modules ensuring greater flexibility in adapting to existing system Possibility to be integrated in a variety of communication protocols commonly used in the industry Ironworks and Metallurgy Highly precise speed and torque control Large overload capacity models sized in HD Flexible hardware programming and configuration Possibility to be integrated in a variety of communication protocols mainly used in the industry CFW 700 Variable Speed Drive 7 IT E g www weg net Keypad The CFW700 comes equipped with a LCD display capable of providing readings for programming guided start up and troubleshooting This customized numeric LCD display features the following functionalities LCD display with backlight Allows adjust programming through menu separate in folders Remote mounting for panel assembly solutions it can be placed 30 m distant from the dr
18. nd control board Fans installed closed to heatsink are turned on and off depending on the temperature of power modules Readings of fan operation hours can be analyzed through parameters as well as alarm or fault messages are displayed Easy removal of fans makes maintenance and or replacement a lot faster CFW700 Variable Speed Drive 5 IT E g www weg net Technical Features Drive Features 6 Multi Speed up to 8 preset speeds can be programmed PID Regulation eliminates the use of an external controller for closed loop control thus great performance of speed and torque can be achieved Ride Through embedded in the CFW700 control this function prevents the drive from tripping during some power outage It uses the kinetic energy stored through a forced deceleration imposed to the load by the VSD control algorithm Speed Torque Regulation open and closed loop encoder feedback required Flying Start it is able to start smoothly a motor connected to a rotating load regardless of rotation direction Control Options for DC Bus Regulation prevents the drive from tripping when short deceleration time is required vital for applications with high inertia loads CFW700 Variable Speed Drive S ramp the smoothness at the starting can be mandatory for process e g the beverage industry by setting up oroperly this functionality production losses caused by traditional starting methods can be avoided Three Wi
19. ocol ready I Os Capability 8 digital inputs 5 digital outputs 2 analog inputs 2 analog outputs Built in DC Link Reactor Allows the VSD to be installed in any network no restriction for power supply impedance Typical power factor PF for steady condition 0 94 for three phase models 0 70 for single phase and single three phase Models fed from single phase power supply Displacement power factor gt 0 98 It meets 61000 3 12 standard limits for harmonic currents No need for an extra line reactor LINE 4 CFW700 Variable Speed Drive www weg net T E g echnical Features USB Port Built In Conformal Coating USB connection in the display ready Increasing the lifetime protecting the electronic boards against corrosive atmospheres Classified as 3C2 according to IEC 60721 3 3 Supply network Single DC link General input rectifier unit CFW700 Common DC Bus Connection In multi motor applications it is possible to supply the CFW700 AC drive with DC voltage this offers extra flexibility and energy savings By sharing a common DC bus in some applications the energy consumption can be lowered as the power needed to run any of the motors can be drawn from the stored energy at the VSD DC link Note an external pre charge circuit must be added to each of the VSDs Thermal Management It is possible to monitor heat sink and inside air temperature thus ensuring protection to critical components e g IGBTs a
20. plies energy saving when quadratic torque loads e g centrifugal pumps and fans are being driven CEN 7 OO cma neme Optimal Braking Braking Torque WEG Frequency Inverters Braking Technology In applications where high inertia and short deceleration times are involved a large amount of energy is returned from the motor to the VSD 100 To handle this energy traditional VSDs have to dissipate it as heat in power resistors such resistors are usually large and very expensive also the heat dissipation has to be taken into consideration during installation As an alternative to the use of braking resistors the CF W700 features a special braking method in vector control mode i named Optimal Braking 5 This innovation delivers rated torque with high performance 0 20 100 200 Rotation requiring no resistor The graph illustrated shows a comparison of the braking Typical Braking Torque x Speed Graph for a torque offered by the different braking methods used 10 HP 7 5 kW motor driven by a CFW700 E Dynamic Braking Torque Curve E Optimal Braking Torque Curve DC Braking Torque Curve Optimal Flux WEG Technology for the Control of High Efficiency Induction Motors Applied to Constant Torque Load m Rated torque at very low speed discarding the use for forced ventilation or even motor oversizing thus costs are reduced m Better performance results can be achieved with the set motor VSD as losses
21. re Start Stop Control no retentive contact can command the drive to start stop the motor Electronic Potentiometer the drive keeps increasing motor speed as long as the digital input remains closed Skip Frequency for some applications specific frequencies must be avoided in order to protect the machine against resonance effect Motor Thermal Curve Adjustment the possibility for separate adjustment between motor and drive allows for a much more effective protection for overload cycles Copy Function by using the flash memory card MMF 02 parameter settings can be easily stored ensuring integrity and safety in case of replacement of the drive is needed www weg net m E g Applications Pumps and Fans Precise control of process variables pressure flow temperature etc through a PID regulator superposed to the speed control Optimization of power consumption through speed control with an adjustable V F curve Safety and maintenance signaling and alarms of pumps and fans Availability of PID regulators to control other process accessories like valves dumpers other VSDs etc Compressors Optimization of system pressurization control with energy savings and improvement of compressor efficiency Reduction of motor startup current minimizing wear and tear of the mechanical system avoiding fees charged by the power supplier company Safety and maintenance signaling and alarms available for pressurization system Provides startup syste
22. to be safely stored Also it makes possible the programming to be passed on to other VSDs on the same plant avoiding repetitive programming The SoftPLC applicative can also be store ae eee into this memory VANNA p A iz 3 A et ra s l Profibus DP 01 Profibus DP V1 The possibility to connect the CFW70O0 into a Profibus DP O1 network 1 These options must be provided already installed in the CFW700 please see coding on page 21 10 CFW700 Variable Speed Drive Accessories Kit for Shielded Cable Shielded cable Kit frame size A Shielded cable Kit frame size B Shielded cable Kit frame size C Notes The shielded cable kit for frame Sizes D and E is included in the standard version For models with RFI filter fitted in shielded cable kit comes as standard Enclosures IP21 KIP21A 01 KIP21B 01 KIP21C 01 KIP21D 01 NEMA Type 1 KN1A 02 KN1B 02 KN1C 02 x KE 01 KN1E 02 Notes x Standard NA Conduit kit frame size A Conduit kit frame size B Conduit kit frame size C Top cover size E models 105 142 and all 600 V frame size E Top Cover Conduit kit size E models 180 and 211 Top cover kit frame size A Top cover kit frame size B Top cover kit frame size C Top cover kit frame size D Note in the KN1X 01 Conduit kit frame sizes A B and C power cable shielding is also provided www weg net m E g E aira CFW700 Variable Speed Drive 11 m E g www
23. weg net Optionals Factory Built External Control Power Supply 24 V dc Used mainly for communication networks allowing data exchange even when there is no power at the VSD input this module must be fed from a power supply different from the one connected to the VSD RFI Suppressor Filter for the VSD to be in Accordance with EN 61800 3 and EN 55011 When properly installed the CFW700 meet requirements of the electromagnetic compatibility directive EMC Directive 2004 108 EC For models ranging from size A to D the RFI filter is optional and for size E it is included Safety Stop in Accordance with EN 61800 5 2 EN ISO 13849 1 IEC 62061 IEC 61508 Parts 1 7 EN 50178 IEC 60204 1 Cat 3 pL d acc and SIL CL2 acc With this option when the safety circuit is tripped by external causes the IGBT firing circuit is deactivated thus the power drive system will not provide energy to the motor which can generate torque A n TUVRheinland 12 CFW 700 Variable Speed Drive SoftPLC www weg net m E g The new CFW7O0O0 incorporates PLC functionalities by means of a factory built micro PLC named SoftPLC This extra tool gives more flexibility to the product as well as allowing the user to develop his own application through a USB or RS485 ports port available at the control terminal The SoftPLC features the following characteristics Access to CFW700 I Os and parameters PLC mathematics and control bloc
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