The pre-charge contact fault (F185) error code in the WEG CFW-11 Series indicates a fault with the pre-charge contactor. Possible causes include a defective pre-charge contactor or, in cases where the inverter is powered by the DC link (frame size E), parameter P0355 should be set to 0.

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Summary of Contents for WEG CFW-11 Series

Page 1 Motors | Automation | Energy | Transmission & Distribution | Coatings Frequency Inverter CFW-11 500...690 V User's Manual...
Page 3 FREQUENCY INVERTER MANUAL Series: CFW-11 Language: English Document: 10001473218 / 03 Models: 2.9...44 A / 500...600 V 2.9...804 A / 500...690 V Models with Special DC Hardware: 170...804 A / 500...690 V 02/2016...
Page 4 Summary of Revisions Version Review Description First edition General revision General revision...
Page 5: Table Of Contents
Contents 1 SAFETY INSTRUCTIONS ..............1-1 1.1 SAFETY WARNINGS IN THE MANUAL ............1-1 1.2 SAFETY WARNINGS IN THE PRODUCT ............1-1 1.3 PRELIMINARY RECOMMENDATIONS ............1-2 2 GENERAL INSTRUCTIONS .............. 2-1 2.1 ABOUT THE MANUAL ................. 2-1 2.2 TERMS AND DEFINITIONS ................2-2 2.3 ABOUT THE CFW-11 ...................
Page 6 Contents 3.3.3 Examples of Wiring Diagrams of Inverter Control Signal ....3-59 3.3.4 Technical Specifications ..............3-60 3.3.4.1 Electrical Control Characteristics ........3-60 3.3.4.2 Operational Safety Characteristics ........3-60 3.3.4.3 Certification ................ 3-61 3.4 INSTALLATION ACCORDING TO THE EUROPEAN DIRECTIVE OF ELECTROMAGNETIC COMPATIBILITY ..............
Page 7: Safety Instructions
Safety Instructions 1 SAFETY INSTRUCTIONS This manual provides information for the proper installation and operation of the CFW-11 frequency inverter. Only trained and qualified personnel should attempt to install, start-up, and troubleshoot this type of equipment. 1.1 SAFETY WARNINGS IN THE MANUAL The following safety warnings are used in this manual: DANGER! The procedures recommended in this warning have the purpose of protecting the user against death,...
Page 8: Preliminary Recommendations
Safety Instructions 1.3 PRELIMINARY RECOMMENDATIONS DANGER! Only trained personnel, with proper qualifications, and familiar with the CFW-11 and associated machinery shall plan and implent the installation, starting, operation, and maintenance of this equipment. The personnel shall follow all the safety instructions described in this manual and/or defined by the local regulations.
Page 9 If needed, touch first the grounded metal frame or wear an adequate ground strap. Do not perform a withstand voltage test on any part of the inverter! If needed, please, consult WEG. NOTE! Frequency inverters may cause interference in other electronic devices. Follow the recommendations...
Page 10 Safety Instructions 1-4 | CFW-11...
Page 11: General Instructions
The user guides are also provided in a hard copy along with the kit/accessories. The other manuals are available at www.weg.net. A printed copy of the files available on WEG’s website can be requested at your local WEG dealer. For information on other functions, accessories, and communication, please refer to the following manuals: Programming manual, with a detailed description of the parameters and advanced functions of the CFW-11.
Page 12: Terms And Definitions
General Instructions 2.2 TERMS AND DEFINITIONS Normal Duty Cycle (ND): the duty cycle that defines the steady state current value I and an overload of nom-ND 110 % during 1 minute. It is selected by programming P0298 (Application) = 0 (Normal Duty - ND). It must be used for driving motors that are not subject in that application to high torques with respect to their rated torque, when operating at constant speed, during start, acceleration or deceleration.
Page 13 General Instructions PTC: it is a resistor, whose resistance value in ohms increases proportionally to the temperature increase, being used as temperature sensor in motors. NTC: it is a resistor, whose resistance value in ohms decreases proportionally to the temperature increase, being used as temperature sensor in power modules.
Page 14 General Instructions ft: foot. hp: horse power = 746 watts; unit of power, used to indicate the mechanical power of electrical motors. in: inch. kg: kilogram = 1000 grams. kHz: kilohertz = 1000 hertz. l/s: liters per second. lb: pound. m: meter.
Page 15: About The Cfw-11
General Instructions 2.3 ABOUT THE CFW-11 The CFW-11 frequency inverter is a high performance product designed for speed and torque control of three-phase induction motors. The main characteristic of this product is the "Vectrue" technology, which has the following advantages: Scalar control (V/f), V V W or vector control programmable in the same product.
Page 16 General Instructions  = DC bus connection  = braking resistor connection RFI filter/MOVs DC Link chokes R/L1 U/T1 Pre- charge S/L2 V/T2 Power supply Motor W/T3 T/L3 DC Link Inverter Three-phase capacitor bank with IGBT rectifier transistors RFI filter Feedback: - voltage - current...
Page 17 General Instructions A - mounting supports (for through the wall mounting) B - heatsink C - top cover D - fan with mounting support E - COMM 2 module (anybus) F - option board/accessory module G - FLASH memory module MMF-03 H - front cover I - keypad J - SRB2A safety stop board...
Page 18 General Instructions  = DC bus connection  = braking resistor connection RFI filter/MOVs DC Link chokes R/L1 U/T1 Pre- charge S/L2 V/T2 Power supply Motor W/T3 T/L3 DC Link Inverter Three-phase capacitor bank with IGBT rectifier transistors RFI filter Feedback: - voltage - current...
Page 19 General Instructions Inverter with Nema1 kit (option - only frame size E) A - keypad B - control rack cover C - CC11 control board D - FLASH memory module MMF-03 E - control accessory module (refer to the Section 7.2 ACCESSORIES on page 7-2) F - Anybus-CC accessory module (refer to the Section 7.2 ACCESSORIES on page...
Page 20 General Instructions Braking resistor External braking module (Optional) RFI filter/MOVs Three-phase rectifier R/L1 U/T1 Power S/L2 V/T2 Motor supply W/T3 T/L3 IGBT inverter CPC 11 Pre-charge control Feedback: - voltage - current Power Control power supply and interfaces Control between power and control sections SuperDrive G2 software WLP software Accessories...
Page 21 General Instructions DC supply U/T1 V/T2 Motor W/T3 IGBT inverter Feedback: - voltage - current Power Control power supply and interfaces Control between power and control sections SuperDrive G2 software WLP software Accessories I/O expansion (Slot 1 - white) Keypad (remote) Keypad Encoder interface (Slot 2 - yellow)
Page 22 General Instructions A - keypad B - control rack cover C - CC11 control board D - FLASH memory module MMF-03 E - control accessory module F - Anybus-CC accessory module G - bottom front cover H - bheatsink fan I - mounting supports (for surface mounting) J - hoisting eye K - rear part of the inverter (external part for flange mounting)
Page 23 General Instructions Braking resistor External braking module (Accessory) RFI filter/MOVs Three-phase Rectifier U/T1 R/L1 Power S/L2 V/T2 Motor supply W/T3 T/L3 IGBT inverter CPC 11 Pre-charge RFI filter Feedback: control - voltage - current Power Control power supply and interfaces Control between power and control sections SuperDrive G2 software...
Page 24 General Instructions Braking resistor External braking module (Accessory) RFI filter/MOVs Three-phase rectifier R1/L1-1 U/T1 Power S1/L2-1 V/T2 Motor supply W/T3 T1/L3-1 IGBT inverter CPC 11-1 Pre-charge RFI filter control Feedback: - voltage - current RFI filter/MOVs Three-phase rectifier R2/L1-2 Power S2/L2-2 supply T2/L3-2...
Page 25 General Instructions DC power supply U/T1 V/T2 Motor W/T3 IGBT inverter RFI filter Feedback: - voltage - current Control power supply and interfaces Power between power and control sections Control SuperDrive G2 software WLP software Accessories I/O expansion (Slot 1 - white) Keypad (remote) Keypad Encoder interface...
Page 26 General Instructions A - keypad B - control rack cover C - CC11 control board D - FLASH memory module MMF-03 E - control accessory module F - Anybus-CC accessory module G - bottom front cover H - heatsink fan I - mounting supports (for surface mounting) J - hoisting eye K - rear part of the inverter (external part for flange mounting)
Page 27: Identification Labels For The Cfw-11
The nameplate under the keypad allows the identification of the most important characteristics of the inverter even if they are mounted side-by-side. CFW-11 model Manufacturing date (48 corresponds WEG part number to week and H to year) Serial number Inverter net weight...
Page 28 General Instructions 2-18 | CFW-11...
Page 29: Receiving And Storage
General Instructions 2.5 RECEIVING AND STORAGE The CFW-11 is packaged and shipped in a cardboard box for models of frames B, and C. The frame sizes D, E, F, G and H models are supplied packed in wooden boxes. There is an identification label affixed to the outside of the package, identical to the one affixed to the side of the inverter.
Page 30 General Instructions 2-20 | CFW-11...
Page 31: Installation And Connection
Installation and Connection 3 INSTALLATION AND CONNECTION This chapter provides information on installing and wiring the CFW-11. The instructions and guidelines listed in this manual shall be followed to guarantee personnel and equipment safety, as well as the proper operation of the inverter. 3.1 MECHANICAL INSTALLATION 3.1.1 Installation Environment NOTE!
Page 32: Mounting Considerations
Installation and Connection From 2000 m to 4000 m (6.600 ft to 13.200 ft) above sea level - reduction of maximum voltage (600 V for 500...600 V models and 690 V for 500...690 V models) of 1.1 % for each 100 m (330 ft) above 2000 m (6.600 ft).
Page 33 Installation and Connection (a) Dimension external ∅ c2 Air flow ∅ c3 Air flow Max. 3 mm (0.12 in) (b) Montagem em superfície (c) Montagem em flange f3 Torque Model (in) (in) (in) (in) (in) (in) (in) (in) (in) (in) (in) (in) (lbf.in)
Page 34 Installation and Connection (a) Dimension external Max. 3 mm ∅ c2 ∅ c3 Max. 3mm (0.12) (0.12) Air flow Air flow Fluxo de Ar Fluxo de Ar (b) Surface mounting (c) Flange mounting Modelo (in) (in) (in) (in) (in) (in) (in) (in) (in)
Page 35 Installation and Connection Model (in) (in) (in) Frame Size B (1.57) (1.77) (0.39) Frame Size C (4.33) (5.12) (0.39) Frame Size D (4.33) (5.12) (0.39) Tolerance: ±1.0 mm (±0.039 in) (a) Minimum top, bottom, and front clearance requirements for air circulation (1.18) 30 (1.18) 30 * Dimensions in mm [in]...
Page 36 Installation and Connection Model (in) (in) (in) (in) Frame Sizes E, F, G and H (5.91) (9.84) (0.78) (3.15) Tolerance: ±1.0 mm (±0.039 in). Figure 3.4 - Free spaces around inverter for ventilation - frame sizes E, F, G and H 3-6 | CFW-11...
Page 37: Cabinet Mounting
Installation and Connection 3.1.3 Cabinet Mounting There are two possibilities for mounting the inverter: through the wall mounting or flange mounting (the heatsink is mounted outside the cabinet and the cooling air of the power module is kept outside the enclosure). The following information shall be considered in these cases: Surface Mounting: Provide adequate exhaustion so that the internal cabinet temperature is kept within the allowable operating...
Page 38 Installation and Connection Mounting surface opening dimensions and position/diameter of the mounting holes, as shown in Figure 3.2 on page 3-4. Frame Sizes F, G and H: ATTENTION! The part of the inverter that stays outside the cabinet is rated IP20. The power specified in Table 8.1 on page 8-2 Table 8.4 on page 8-5...
Page 39 Installation and Connection Figure 3.5 - Repositioning the mounting supports - frame sizes B, C and D CFW-11 | 3-9...
Page 40: Installation Of The Inverter Hoisting Eyes - Frame Size E
Installation and Connection Figure 3.6 - Repositioning the mounting supports - frame size E 3.1.4 Installation of the Inverter Hoisting Eyes - Frame Size E Two hoisting eyes for the inverter lifting, which are mounted at the inverter sides (rear part), are supplied. By inverting their position, as shown in Figure 3.7 on page 3-10, two points for hoisting the inverter, which are...
Page 41: Installation Of The Inverter With Nema1 Kit (Option, Cfw11
Installation and Connection 3.1.5 Installation of the Inverter with Nema1 Kit (Option, CFW11..T...ON1...) on a Wall - Frame Size E Fixing holes position and diameter according to the Figure 3.2 on page 3-4 for frame size E models. External dimensions of the inverter with Nema1 kit according to Section 8.6 NEMA 1 KITs on page 8-16.
Page 42 Installation and Connection Frame Sizes D and E: It is necessary to remove the keypad (HMI) and the control rack cover in order to get access to the control terminal strip (see Figure 3.10 on page 3-12). In order to get access to the power terminal strip, remove the bottom front cover (see Figure 3.11 on page 3-12).
Page 43 Installation and Connection Frame Sizes F, G and H: In order to get access to the control terminals, it is necessary to remove the HMI and the control rack cover, as showed in Figure 3.12 on page 3-13. Figure 3.12 - Removal of the HMI and the control rack cover - frame sizes F, G and H In order to get access to the power terminals, it is necessary to remove the bottom front cover, as shown in Figure 3.13 on page 3-13.
Page 44: Removal Of The Cable Passage Plate - Frame Sizes D And E
Installation and Connection 3.1.7 Removal of the Cable Passage Plate - Frame Sizes D and E When it is not necessary neither IP20 nor Nema1 protection degree, the cable passage plate may be removed in order to make the inverter electric installation easier. Remove the four M4 screws, according to the procedure presented in Figure 3.15 on page 3-14.
Page 45: Identification Of The Power And Grounding Terminals
Installation and Connection DANGER! Les informations suivantes constituent uniquement un guide pour une installation correcte. Respectez les réglementations locales en vigueur pour les installations électriques. DANGER! Make sure the AC power supply is disconnected before starting the installation. DANGER! Vérifiez que l'alimentation secteur CA est débranchée avant de commencer l'installation. ATTENTION! Integral solid state short circuit protection does not provide branch circuit protection.
Page 46 Installation and Connection BR DC+ U/T1 V/T2 W/T3 R/L1 S/L2 T/L3 Grounding Figure 3.18 - Grounding and power terminals of frame size D models Grounding (4xM8, 4xM5) Figure 3.19 - Grounding and power terminals of frame size E models 3-16 | CFW-11...
Page 47 Installation and Connection (a) Terminals for AC power supply and motor connection (terminals R/L1, S/L2 and T/L3 are not assembled in inverters with special hardware DC) (b) Terminals for DC power supply connection (only available in inverters with special hardware DC) Figure 3.20 - (a) and (b) - Grounding and power terminals of frame size F models CFW-11 | 3-17...
Page 48 Installation and Connection U/T1 V/T2 W/T3 R/L1 S/L2 T/L3 (a) Terminals for AC power supply and motor connection (terminals R/L1, S/L2 and T/L3 are not assembled in inverters with special hardware DC) (b) Terminals for DC power supply connection (only available in inverters with special hardware DC) Figure 3.21 - (a) and (b) - Grounding and power terminals of frame size G models 3-18 | CFW-11...
Page 49 Installation and Connection (a) Models 584 and 625 A (b) Models 758 A and 804 A (c) Frame size H Figure 3.22 - (a) to (c) - Grounding and power terminals of frame size H models CFW-11 | 3-19...
Page 50: Power/Grounding Wiring And Fuses
Installation and Connection 3.2.2 Power/Grounding Wiring and Fuses ATTENTION! Use proper cable lugs for the power and grounding connection cables. ATTENTION! Sensitive equipment such as PLCs, temperature controllers, and thermal couples shall be kept at a minimum distance of 0.25 m (9.84 in) from the frequency inverter and from the cables that connect the inverter to the motor.
Page 51 Table 3.2 - Recommended wire size/fuses - use copper wire (75 ºC (167 ºF)) - frame size B, 500 to 600 Vac supply voltage Power Terminals Wire Size Recommended Fuse Screw Overload I²t WEG Fuse Recommended Wire Model Thread/ Class Terminals...
Page 52 Table 3.3 - Recommended wire size/fuses - use copper wire (75 ºC (167 ºF)) - frame size C, 500 to 600 Vac supply voltage Power Terminals Wire Size Recommended Fuse Screw Overload I²t WEG Fuse Recommended Wire Model Thread/ Class Terminals...
Page 53 Table 3.4 - Recommended wire size/fuses - use copper wire (75 ºC (167 ºF)) - frame size D, 500 to 690 Vac supply voltage Power Terminals Wire Size Recommended Fuse Screw Overload Recommended I²t WEG Fuse Wire Model Thread/ Class Terminals Torque Terminal...
Page 54 Table 3.5 - Recommended wire size/fuses - use copper wire (75 ºC (167 ºF)) - frame size E, 500 to 690 Vac supply voltage Power Terminals Wire Size Recommended Fuse Recommended Fuses FNHFE I²t WEG Fuse Recom- aR Flush End Screw Overload mended Model...
Page 55 Table 3.6 - Recommended wire size/fuses - use copper wire (75 ºC (167 ºF)) - frame sizes F, G and H standard models, 500 to 690 Vac supply voltage Power Terminals Wire Size Recommended Fuse Recommended Fuses FNHFE I²t WEG Fuse Recom- aR Flush End Screw mended Model Thread/ Terminals...
Page 56 Installation and Connection Power Terminals Wire Size Recommended Fuse Recommended Fuses FNHFE I²t WEG Fuse Recom- aR Flush End Screw mended Model Thread/ Terminals Torque Screw N.m (lbf. Head Type [A²s] [A] In[A] Model Item SAP 2 x 70 R/L1 - S/L2 - T/...
Page 57 Installation and Connection Power Terminals Wire Size Recommended Fuse Recommended Fuses FNHFE I²t WEG Fuse Recom- aR Flush End Screw mended Model Thread/ Terminals Torque Screw N.m (lbf. Head Type [A²s] [A] In[A] Model Item SAP 2 x 150 R/L1 - S/L2 - T/...
Page 58 Installation and Connection Table 3.7 - Recommended wire size/fuses - use copper wire (75 ºC (167 ºF)) - frame sizes F, G and H with Special Hardware DC, fed from DC voltage Recommended Power Terminals Wire Size DC Fuses Frame Overload Screw Model...
Page 59 Installation and Connection Table 3.8 - (a) and (b) - Recommended cable lugs for power connections (a) cable gauges in mm Wire Size Number of Stud Size Manufacturer Ring Lug, P/N Crimping (Installation) Tool P/N Crimps Hollingsworth RM 10 -5 H 6.500 Manual hydraulic crimp tooling Tyco...
Page 60 Installation and Connection (b) cable gauges in AWG Wire Size Number of [AWG/ Stud Size Manufacturer Ring Lug, P/N Crimping Tool P/N Crimps kcmil] Hollingsworth R 410 H 6.500 Manual hydraulic crimp tooling Tyco 710030-1 ( TE p/n.: 1490749-1) Die: 1583092-1 Hollingsworth R 4516 H 6.500...
Page 61: Power Connections
Installation and Connection Wire Size Number of [AWG/ Stud Size Manufacturer Ring Lug, P/N Crimping Tool P/N Crimps kcmil] Hollingsworth R 110 H 6.500 Manual hydraulic crimp tooling Tyco ------ ( TE p/n.: 1490749-1) Die: 1583096-1 Hollingsworth R 1516 H 6.500 Manual hydraulic crimp tooling Tyco 710028-1...
Page 62 Installation and Connection Accessory External braking module Braking resistor Shielding AC power Disconnect Fuses supply switch (a) Models with AC power supply (IP20 degree of protection) - frame sizes F and G DC power supply CC Fuses Shielding (b) Models with direct current power supply (IP00 degree of protection) - special hardware DC - frame sizes F and G (1) According Chapter 8 TECHNICAL SPECIFICATIONS on page 8-1,...
Page 63 Installation and Connection Accessory External braking module Braking resistor Line reactor Shielding AC power Disconnect Fuses switch supply (a) Models with AC power supply (IP20 degree of protection) - frame size H (models 584 A and 625 A) Accessory External braking module Braking...
Page 64: Input Connections
Installation and Connection DC power supply CC Fuses R2 S1 S2 T1 T2 U Shielding (c) Models with direct current power supply (IP00 degree of protection) - special hardware DC - frame size H (1) For frame size H models 584 A and 625 A it's necessary a line reactor with 3 % voltage drop minimum in the inverter nominal condition. ∆V [%] .
Page 65: Ac Power Supply Considerations
Installation and Connection ATTENTION! A contactor or another device that frequently disconnects and reapplies the AC supply to the inverter, in order to start and stop the motor, may cause damage to the inverter power section. The drive is designed to use control signals for starting and stopping the motor. If used for that purpose, the input device must not exceed one operation per minute;...
Page 66 Installation and Connection NOTE! The ground-fault protection (F074) is intended for IGBT protection and may not be activated when inverter output is shorted to ground, when fed by IT networks. External insulation monitoring devices should be used for system fault monitoring. (a) Frame sizes B and C (b) Frame size D Figure 3.26 - (a) and (b) - Ground connections - location and procedure for adapting to IT or corner-ground networks -...
Page 67: Command Fuses Of Pre-Charge Circuit
Specifications of the used auxiliary fuse: Slow blow fuse 1 A / 1000 V. Manufacturer: Ferraz Shawmut/ Mersen. Part number: DTC1-2. WEG part number: 11123302. Auxiliary fuse is assembled in PRT3 board. Figure 3.27 on page 3-36 shows its location on the inverter.
Page 68: Dynamic Braking
Installation and Connection 3.2.3.2 Dynamic Braking NOTE! All frame sizes B and C models do have internal braking IGBT. Models of frame sizes D and E with the codification CFW11...O...NB... and all models of frame sizes F, G and H do not have internal braking IGBT.
Page 69 For critical applications with very short deceleration times and high inertia loads (eg.: centrifuges) or short duration cycles, consult WEG for the adequate sizing of the braking resistor. (a) Frame sizes F and G...
Page 70: Installation Of The Braking Resistor - Frame Sizes B, C, D And E
Installation and Connection Table 3.10 - Dynamic braking specifications Maximum Maximum Effective Braking Power Power Wire Size Braking Braking Power Braking (mean value) Recommended (terminals DC+ Inverter Model Current (peak value) Current in the Braking Resistor and BR) Resistor (P (AWG)] effective [kW]...
Page 71: Output Connections
Installation and Connection DANGER! Le variateur possède une protection thermique réglable pour la résistance de freinage. La résistance de freinage et le transistor de freinage peuvent être endommagés si les paramètres P0153, P0154 et P0155 ne sont pas correctement définis ou si la tension d’entrée dépasse la valeur maximale autorisée. The thermal protection offered by the inverter, when properly set, allows the protection of the resistor in case of overload;...
Page 72 Installation and Connection ATTENTION! The motor overload protection available in the CFW-11 is in accordance with the IEC60947-4-2 and UL508C standards, note the following information: Trip current equal to 1.25 times the motor rated current (P0401) adjusted in the oriented start-up menu.
Page 73 Installation and Connection In reference to the type and details of installation, follow the recommendations of IEC 60034-25 "Guide for Design and Performance of Cage Induction Motors Specifically Designed for Converter Supply" - refer to a summary in Figure 3.33 on page 3-43.
Page 74: Grounding Connections
Installation and Connection Figure 3.34 - Detail of the motor cable shield connection with the power cables shielding kit (PCSx-01) provided with inverters of frame sizes B and C For frame sizes D and E, there is a provision for grounding the motor cable shield in the standard inverter enclosure.
Page 75: Control Connections
Installation and Connection DANGER! Le variateur doit être raccordé à une terre de protection (PE). Observer les règles suivantes: - Utilisez la section minimale de raccordement à la terre indiquée dans les Table 3.2 à la page 3-21 à Table 3.6 à la page 3-25.
Page 76 Installation and Connection Factory Setting Function Specifications Terminal Strip REF+ Positive reference for Output voltage: +5.4 V, ±5 % potentiometer Maximum output current: 2 mA AI1+ Analog input # 1: Differential speed reference (remote) Resolution: 12 bits AI1- ≥5 kΩ Signal: 0 to 10 V (R = 400 kΩ) / 0 to 20 mA / 4 to 20 mA (R = 500 Ω)
Page 77 Installation and Connection Factory Setting Function Specifications Terminal Strip REF+ Positive reference for Output voltage: +5.4 V, ±5 % potentiometer Maximum output current: 2 mA AI1+ Analog input # 1: Differential speed reference (remote) Resolution: 12 bits ≥5 kΩ Signal: 0 to 10 V (R = 400 kΩ) / 0 to 20 mA / 4 to 20 mA (R = 500 Ω) AI1-...
Page 78 Installation and Connection NOTE! In order to use the digital inputs as "Active Low", remove the jumper between XC1:11 and 12 and install it between XC1:12 and 13. Slot 5 Slot 1 (white) Slot 2 (yellow) Slot 3 (green) Slot 4 Figure 3.37 - XC1 terminal strip and DIP-switches for selecting the signal type of analog inputs and outputs As the factory setting, the analog inputs and outputs are adjusted to operate in the 0 to 10 V range, but they can be changed by using the S1 DIP-switch.
Page 79 Installation and Connection XC25 XC25 (a) Frame sizes B and C inverters - SRB2A.00 board (b) Frame sizes D and E inverters - SRB4.00 board XC25 (c) Frame sizes F, G and H inverters - SRB3.00 board Figure 3.38 - (a) to (c) - SRBXX board connections (Safety Stop function) CFW-11 | 3-49...
Page 80 Installation and Connection NOTE! Safety Stop function: the inverters with Safety Stop function option (CFW11...O...Y...) are supplied with control connections to disable Safety Stop function as per Figure 3.39 on page 3-50. For using the Safety Stop function see Section 3.3 SAFETY STOP FUNCTION on page 3-54.
Page 81: Typical Control Connections
Installation and Connection Figure 3.41 - Example of control wiring shield connection 5. Relays, contactors, solenoids or coils of electromechanical brakes installed close to the inverter may occasionally generate interferences in the control circuitry. To eliminate this effect, RC suppressors (with AC power supply) or freewheel diodes (with DC power supply) must be connected in parallel to the coils of these devices.
Page 82 Installation and Connection XC1 Terminal Strip + REF ≥5 kΩ AI1+ AI1- - REF AI2+ AI2- AGND (24 V) AGND (24 V) DGND * 24 Vdc Run/Stop Forward/Reverse (FWD/REV) (RL1) (RL2) (RL3) Figure 3.42 - XC1 wiring for control connection # 2 Control connection 3 - 3-Wire Start/Stop function.
Page 83 Installation and Connection XC1 Terminal Strip + REF AI1+ AI1- - REF AI2+ AI2- AGND (24 V) AGND (24 V) DGND * 24 Vdc Forward/Reverse S3 (FWD/REV) Start S1 Stop S2 (RL1) (RL2) (RL3) Figure 3.43 - XC1 wiring for control connection # 3 Control connection 4 - Forward/Reverse.
Page 84: Safety Stop Function
Installation and Connection XC1 Terminal Strip + REF AI1+ AI1- - REF AI2+ AI2- AGND (24 V) AGND (24 V) DGND * 24 Vdc Stop/Forward S1 Stop/Reverse S2 (RL1) (RL2) (RL3) Figure 3.44 - XC1 wiring for control connection # 4 3.3 SAFETY STOP FUNCTION The inverters CFW11...O...Y...
Page 85 Installation and Connection XC25:1 Control circuit (Microcontroller+EPLD) Digital (Relay) outputs Gate Gate Gate +5 V driver driver driver circuit circuit circuit DC Link Rectifier capacitors U/T1 R/L1 V/T2 S/L2 Motor W/T3 T/L3 Gate Gate Gate +5 V driver driver driver circuit circuit circuit...
Page 86: Installation
Installation and Connection The parameter P0029 shows if the inverter has identified correctly SRBXX board. See Bit 9 in Table 3.14 on page 3-56 for details. Table 3.14 - Content of P0029 parameter Bits 0 = with 0 = control circuit 0 = inverter 0 = inverter Voltage rating of the...
Page 87: Operation
Installation and Connection 3.3.2 Operation 3.3.2.1 Truth Table Table 3.16 - Safety Stop function operation STO1 Logic Level STO2 Logic Level (Voltage Between (Voltage Between Safety Stop Inverter Behavior XC25:1-2 XC25:3-4 Function Terminals) Terminals) 0 (0 V) 0 (0 V) Activated Inverter remains in STO state and does not accept commands.
Page 88: Periodic Test
Installation and Connection Table 3.18 - P0275...P0279 options for indication of state of inverter or faults on DOx digital outputs Value to Be Set on DOx Digital Output Function Comment P0275...P0279 State of the inverter = STO Safety Stop function disabled: (Safety Stop function activated) relay/transistor OFF Safety Stop function activated:...
Page 89: Examples Of Wiring Diagrams Of Inverter Control Signal
Installation and Connection 3.3.3 Examples of Wiring Diagrams of Inverter Control Signal It is recommended to use inverter DI1 and DI2 digital inputs set as 3-wire start/stop commands and the wiring diagrams of inverter control signal according to Figure 3.46 on page 3-59.
Page 90: Technical Specifications
IEC/EN 60204-1 standards) Maximum switching delay between contacts: 100 ms refer to Figure 3.46 on page Example Type/manufacturer: WEG/ Instrutech CPt-D 3-59 3.3.4.2 Operational Safety Characteristics Protection Of the machine Safety Stop function which forces stopping and/or prevents the motor from restarting...
Page 91: Certification
Installation and Connection 3.3.4.3 Certification CFW-11 | 3-61...
Page 92: Installation According To The European Directive Of Electromagnetic Compatibility
Installation and Connection 3.4 INSTALLATION ACCORDING TO THE EUROPEAN DIRECTIVE OF ELECTROMAGNETIC COMPATIBILITY The inverters CFW11...T5... and CFW11...T6... (except the ones with NF option - CFW11...O...NF...) have internal RFI filter for the reduction of the electromagnetic interference. These inverters, when properly installed, meet the requirements of the electromagnetic compatibility directive ‘’EMC Directive 2004/108/EC’’.
Page 93: Standard Definitions
Installation and Connection 3.4.2 Standard Definitions IEC/EN 61800-3: "Adjustable Speed Electrical Power Drives Systems" - Environment: First Environment: includes domestic premises, it also includes establishments directly connected without intermediate transformer to a low-voltage power supply network which supplies buildings used for domestic purposes.
Page 94: Emission And Immunity Levels
Installation and Connection 3.4.3 Emission and Immunity Levels Table 3.19 - Emission and immunity levels EMC Phenomenon Basic Standard Level Emission: Mains terminal disturbance voltage IEC/EN61800-3 (2004) + It depends on the inverter model and on the motor cable Frequency range: 150 kHz to 30 MHz A1 (2011) lenght.
Page 95 25 m B84143B0400S21 CFW110365T6 50 m 25 m CFW110435T6 50 m 25 m B84143B0600S21 CFW110472T6 50 m 25 m CFW110584T6 100 m CFW110625T6 100 m B84143B1000S81 CFW110758T6 100 m CFW110804T6 100 m (1) For more details contact Weg. CFW-11 | 3-65...
Page 96 Installation and Connection 3-66 | CFW-11...
Page 97: Keypad And Display
Keypad and Display 4 KEYPAD AND DISPLAY This chapter describes: The operator keys and their functions. The indications on the display. How parameters are organized. 4.1 INTEGRAL KEYPAD - HMI-CFW11 The integral keypad can be used to operate and program (view/edit all parameters) of the CFW-11 inverter. The inverter keypad navigation is similar to the one used in cell phones and the parameters can be accessed in numerical order or through groups (Menu).
Page 98 Keypad and Display The battery life expectancy is of approximately 10 years. When necessary, replace the battery by another of the CR2032 type. Cover Remove the cover Press the cover and rotate it Cover for battery access counterclockwise Remove the battery with the HMI without the battery Install the new battery positioning it first at help of a screwdriver positioned...
Page 99 Keypad and Display Installation: The keypad can be installed or removed from the inverter with or without AC power applied to the inverter. The HMI supplied with the product can also be used for remote command of the inverter. In this case, use a cable with male and female D-Sub9 (DB-9) connectors wired pin to pin (mouse extension type) or a market standard Null-Modem cable Maximum length of 10 m (33 ft).
Page 100: Parameters Organization
Keypad and Display 4.2 PARAMETERS ORGANIZATION When the right soft key ("MENU") is pressed in the monitoring mode, the display shows the first 4 groups of parameters. An example of how the groups of parameters are organized is presented in Table 4.1 on page 4-4.
Page 101: First Time Power-Up And Start-Up
First Time Power-Up and Start-Up 5 FIRST TIME POWER-UP AND START-UP This chapter describes how to: - Check and prepare the inverter before power-up. - Power-up the inverter and check the result. - Set the inverter for the operation in the V/f mode based on the power supply and motor information by using the Oriented Start-up routine and the Basic Application group.
Page 102: Start-Up
First Time Power-Up and Start-Up 5. Return the inverter covers. 6. Measure the power supply voltage and verify if it is within the range listed in Chapter 8 TECHNICAL SPECIFICATIONS on page 8-1. 7. Apply power to the input: Close the input disconnect switch. 8.
Page 103: Password Setting In P0000
First Time Power-Up and Start-Up 5.2.1 Password Setting in P0000 Step Action/Result Display indication - Monitoring mode Ready 0rpm - Press "Menu" (rigth soft key) 15:45 Menu - Group "00 ALL Ready 0rpm PARAMETERS" is already 00 ALL PARAMETERS selected 01 PARAMETER GROUPS 02 ORIENTED START-UP - Press "Select"...
Page 104 First Time Power-Up and Start-Up The use of the Oriented Start-up routine for setting the inverter parameters may lead to the automatic modification of other internal parameters and/or variables of the inverter. During the Oriented Start-up routine, the message "Config" will be displayed at the left top corner of the keypad. Step Action/Result Display indication...
Page 105: Setting Basic Application Parameters
First Time Power-Up and Start-Up Step Action/Result Display indication Step Action/Result Display indication 13 - If needed, change the 14 - If needed, change the Config 0rpm Config 0rpm value of P0400 according value of P0401 according to Motor Service Factor Motor Rated Voltage to the motor rated voltage the motor rated current.
Page 106 First Time Power-Up and Start-Up Step Action/Result Display indication Step Action/Result Display indication - Monitoring mode - Group "00 ALL Ready 0rpm Ready 0rpm - Press "Menu" (right soft key) PARAMETERS" has been 00 ALL PARAMETERS already selected 01 PARAMETER GROUPS 02 ORIENTED START-UP 03 CHANGED PARAMETERS 15:45...
Page 107 First Time Power-Up and Start-Up Table 5.1 - Parameters comprised in the basic application group Factory User Parameter Name Description Setting Range Setting Setting P0100 Acceleration - Defines the time to linearly accelerate from 0 up to the maximum 0.0 to 999.0 s 20.0 s time speed (P0134)
Page 108 First Time Power-Up and Start-Up Table 5.2 - Main read only parameters Parameter Description Setting Range Parameter Description Setting Range P0001 Speed Reference 0 to 18000 rpm P0050 Last Fault 0 to 999 P0002 Motor Speed 0 to 18000 rpm P0051 Last Fault Day/Month 00/00 to 31/12...
Page 109: Setting Date And Time
First Time Power-Up and Start-Up 5.3 SETTING DATE AND TIME Step Action/Result Display indication Monitoring mode Ready 0rpm - Press "Menu" (right soft key) 16:10 Menu - Group "00 ALL Ready 0rpm PARAMETERS" is already 00 ALL PARAMETERS selected 01 PARAMETER GROUPS 02 ORIENTED START-UP 03 CHANGED PARAMETERS Return...
Page 110: Blocking Parameters Modification
First Time Power-Up and Start-Up 5.4 BLOCKING PARAMETERS MODIFICATION To prevent unauthorized or unintended parameters modification, parameter P0000 should be set to a value different from 5. Follow the same procedures described in Item 5.2.1 Password Setting in P0000 on page 5-3.
Page 111 First Time Power-Up and Start-Up - Transfer parameters stored in the FLASH memory to the inverter. - Transfer firmware stored in the FLASH memory to the inverter. - Store programs created by the SoftPLC. Whenever the inverter is powered up, this program is transferred to the RAM memory located in the inverter control board and executed.
Page 112 First Time Power-Up and Start-Up 5-12 | CFW-11...
Page 113: Troubleshooting And Maintenance
Troubleshooting and Maintenance 6 TROUBLESHOOTING AND MAINTENANCE This chapter: - Lists all faults and alarms that may occur. - Indicates the possible causes of each fault and alarm. - Lists most frequent problems and corrective actions. - Presents instructions for periodic inspections and preventive maintenance in the equipment.
Page 114: Faults, Alarms And Possible Causes
Troubleshooting and Maintenance Through a digital input: DIx = 20 (P0263 to P0270). When an alarm situation ("ALARM" (A X X X )) is detected: The keypad displays the "ALARM" code and description. The "STATUS" LED changes to yellow. The PWM pulses are not blocked (the inverter is still operating). 6.2 FAULTS, ALARMS AND POSSIBLE CAUSES Table 6.1 - Faults, alarms and possible causes Fault/Alarm...
Page 115 Troubleshooting and Maintenance Fault/Alarm Description Possible Causes A050 A high temperature alarm was detected by the NTC Surrounding air temperature is too high (>50 °C (122 °F)) IGBTs High Temperature temperature sensors located on the IGBTs. and output current is too high. Note: Blocked or defective fan.
Page 116 Alarm that indicates an access error to the Defective, unrecognized, or improperly installed Anybus- Anybus Access Error Anybus-CC communication module. CC module. Conflict with a WEG option board. A133 Alarm indicating that the power supply was not Broken or loose cable. CAN Not Powered connected to the CAN controller.
Page 117 Troubleshooting and Maintenance Fault/Alarm Description Possible Causes F150 Overspeed fault. Wrong settings of P0161 and/or P0162. Motor Overspeed It is activated when the real speed exceeds the value Problem with the hoist-type load. of P0134 x (100 % + P0132) for more than 20 ms. F151 FLASH Memory Module fault (MMF-03).
Page 118 Troubleshooting and Maintenance Fault/Alarm Description Possible Causes F185 It indicates fault at the pre-charge Contactor. Pre-charge contactor defect. Pre-charge Contactor Inverter CFW11 frame size E powered by DC Link: Fault P0355 should be programd to 0. F186: It indicates a temperature fault at the sensor 1. Motor high temperature.
Page 119 Troubleshooting and Maintenance Fault/Alarm Description Possible Causes F238 Refer to the Profibus DP communication manual. Profibus DP Interface in Clear Mode F239 Offline Profibus DP Interface F240 Profibus DP Module Access Error F416 Fault of current imbalance on the IGBTs. (12) IGBTs of the same phase presented a current imbalance IGBT Curr.
Page 120: Solutions For The Most Frequent Problems
Troubleshooting and Maintenance 6.3 SOLUTIONS FOR THE MOST FREQUENT PROBLEMS Table 6.2 - Solutions for the most frequent problems Problem Point to be Verified Corrective Action Motor does not start Incorrect wiring 1. Check all power and control connections. For instance, the digital inputs set to Start/Stop, General Enable, or no external error must be connected to the 24 Vdc or to DGND* terminals (refer to Figure 3.36 on page...
Page 121: Preventive Maintenance
Do not touch the components or connectors directly. If necessary, first touch the grounded metallic frame or wear a ground strap. Do not perform any withstand voltage test! If necessary, consult WEG. The inverters require low maintenance when properly installed and operated. The Table 6.3 on page 6-9 presents the main procedures and time intervals for preventive maintenance.
Page 122: Cleaning Instructions
Troubleshooting and Maintenance Table 6.4 - Recommended periodic inspections - every 6 months Component Abnormality Corrective Action Terminals, connectors Loose screws Tighten Loose connectors Fans/Cooling system Dirty fans Cleaning Abnormal acoustic noise Replace the fan. Refer to the Figure 6.1 on page 6-11 for the removal of the fan.
Page 123 Troubleshooting and Maintenance Releasing the latches of the fan cover Fan removal Cable disconnection (a) Frame sizes B, C and D Fan grill screws removal Fan removal Cable disconnection (b) Frame size E Fan securing screws removal Fan removal Cable disconnection (c) Frame sizes F, G and H (example on frame size F) Figure 6.1 - (a) to (c) - Removal of the heatsink fans CFW-11 | 6-11...
Page 124 Troubleshooting and Maintenance 6-12 | CFW-11...
Page 125: Option Kits And Accessories
Option Kits and Accessories 7 OPTION KITS AND ACCESSORIES This chapter presents: The option kits that can be integrated to the inverter from the factory: - External 24 Vdc power supply for control and keypad. - Nema 1 Protection degree (Frame size E). Instructions for the proper use of the option kits.
Page 126: Accessories
Option Kits and Accessories The keypad displays warnings indicating the inverter status: whether the 24 Vdc power source is connected, whether the mains power source is connected, etc. XC1 Terminal Strip + REF AI1+ AI1- - REF AI2+ AI2- AGND (24 V) AGND (24 V) DGND * 24 Vdc...
Page 127 Option Kits and Accessories Table 7.1 - Accessory models Identification WEG Part Parameters Name Description Slot Number P0027 P0028 Control Accessories for Installation in the Slots 1, 2 and 3 11008162 IOA-01 IOA module: 1 voltage/current analog input (14 bits); 2 digital inputs;...
Page 128: Use Of External Dynamic Braking Module Dbw03 And Dbw04
Option Kits and Accessories Identification WEG Part Parameters Name Description Slot Number P0027 P0028 11417559 KN1G-01 Nema1 kit for the frame size G 11010264 KIP21D-01 IP21 kit for frame size D (standard for option 21) 11337710 KME-01 Frame size E movement kit...
Page 129: Technical Specifications
Technical Specifications 8 TECHNICAL SPECIFICATIONS This chapter describes the technical specifications (electric and mechanical) of CFW11...T5... and CFW11...T6... models. 8.1 POWER DATA Power Supply: Voltage tolerance: -15 % to +10 % of the nominal voltage. Frequency: 50/60 Hz (48 Hz to 62 Hz). Phase imbalance: ≤3 % of the rated phase-to-phase input voltage.
Page 130 Technical Specifications Table 8.1 - Technical specification for 500 to 600 Vac, three-phase power supply Weight [kg/lb] Built-in Category Yes, except in models CFW11...O...NF... C3 RFI Filter Built-in Dynamic Yes, except in models CFW11...O...NB... Braking Surrounding Air -10...40 °C -10...50 °C (14...122 °F) -10...45 °C (14...113 °F) Temperature (14...104 °F)
Page 131 Technical Specifications Table 8.2 - Technical specification for models with Special Hardware DC, fed from 757 to 1025 Vdc (equivalent to a rectified 500 to 600 Vac three-phase voltage) Weight [kg/lb] Built-in Dynamic Braking Surrounding Air -10...45 °C - 10...40 °C Temperature (14...113 °F) (14...104 °F)
Page 132 Technical Specifications Table 8.3 - Technical specification for 660 to 690 Vac, three-phase power supply Weight [kg/lb] Built-in Category Yes, except in models C3 RFI Filter CFW11...O...NF... Built-in Dynamic Yes , except in models CFW11...O...NB... Braking Surrounding Air -10...50 °C -10...45 °C -10...40 °C Temperature...
Page 133 Technical Specifications Table 8.4 - Technical specification for Special Hardware DC, fed from 757 to 1025 Vdc (equivalent to a rectified 660 to 690 Vac three-phase voltage) Weight [kg/lb] Built-in Dynamic Braking Surrounding Air -10...45 °C -10...40 °C Temperature (13...104 °F) (14...104 °F) Frame Size CFW-11 | 8-5...
Page 134 If it is desired to operate always in 5 kHz, set P0350 = 2 or 3 and derate the output current. For additional information, consult WEG. (5) Motor power ratings are merely a guide considering 575 V, 60 Hz for 500 to 600 Vac supply, or 690 V, 50 Hz for 660 to 690 Vac supply, IV pole WEG motors.
Page 135: Electronics/General Data
Technical Specifications 8.2 ELECTRONICS/GENERAL DATA Control Method Voltage source Type of control: - V/f (Scalar) - V V W: Voltage Vector Control - Vector control with encoder - Sensorless vector control (without encoder) PWM SVM (Space Vector Modulation) Full digital (software) current, flux, and speed regulators Execution rate: - current regulators: 0.2 ms (switching frequency of 2.5 kHz and 5 kHz), 0.25 ms (switching frequency = 2 kHz) - flux regulator: 0.4 ms (switching frequency of 2.5 kHz and 5 kHz), 0.5 ms (switching frequency = 2 kHz)
Page 136: Codes And Standards
After accessing the link, click on “Select Option” and select “Data Search”. On the new window, the certificate number must be entered on the “Certificate Number” field: 15-RJ2890495. Click on “Search”. TÜV STO funtion (*) For updated information on certifications, please, contact WEG. 8-8 | CFW-11...
Page 137: Mechanical Data
Technical Specifications 8.5 MECHANICAL DATA Frame Size B Figure 8.2 - Frame size B dimensions - mm [in] CFW-11 | 8-9...
Page 138 Technical Specifications Frame Size C Figure 8.3 - Frame size C dimensions - mm [in] 8-10 | CFW-11...
Page 139 Technical Specifications Frame Size D Figure 8.4 - Frame size D dimensions - mm [in] CFW-11 | 8-11...
Page 140 Technical Specifications Frame Size E Figure 8.5 - Frame size E dimensions - mm [in] 8-12 | CFW-11...
Page 141 Technical Specifications Frame Size F Figure 8.6 - Frame size F dimensions - mm [in] CFW-11 | 8-13...
Page 142 Technical Specifications Frame Size G Figure 8.7 - Frame size G dimensions - mm [in] 8-14 | CFW-11...
Page 143 Technical Specifications Frame Size H Figure 8.8 - Frame size H dimensions - mm [in] CFW-11 | 8-15...
Page 144: Nema 1 Kits
Technical Specifications 8.6 NEMA 1 KITS - Weight of the conduit kit for frame size B: 0.9/2.0 kg/lb Figure 8.9 - Frame size B with Nema 1 kit KN1B-01 KN1C-01 - Weight of the conduit kit for frame size C: 0.9/2.0 kg/lb Figure 8.10 - Frame size C with the conduit kit KN1C-01 8-16 | CFW-11...
Page 145 Technical Specifications - Weight of the KN1E-01 kit: 2.12 kg (4.67 lb) Figure 8.11 - Frame size E with Nema1 kit KN1E-01 CFW-11 | 8-17...

WEG CFW-11 Series User Manual

1 Safety Instructions

2 General Instructions

3 Installation and Connection

4 Keypad and Display

5 First Time Power-Up and Start-Up

6 Troubleshooting and Maintenance

7 Option Kits and Accessories

8 Technical Specifications

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