VFD's and Soft starts
Lemsco offers a full line of Variable Frequency Drives and Soft starts
CFW500-G2 Series – Variable Frequency Drive
The CFW500 has advanced technology plug-and-play options developed for fast commissioning, providing great flexibility and competitive advantage while offering excellent performance and reliability. Designed for exclusively industrial or professional use, perfect for OEM, system integrators, panel installers, and End
Users, providing great benefit from the added value. The secondgeneration (G2) CFW500 drives now offer more features in the same footprint as first-generation (G1) drives. The power range of the CFW500-IP20-G2 drive is now extended to 75 HP at 230 VAC and 175 HP at 460 VAC. The CFW500-G2 drive is also available in the IP66/NEMA 4X Washdown enclosure, which is rated for indoor and outdoor installation in direct sunlight.
Standard Features
• Same programming as other WEG VFDs including CFW500 G1 drives
• Built-in SoftPLC
• Control Mode: Scalar, VVW (Voltage Vector WEG), Vector Control
(sensorless and closed loop with encoder feedback), VVW PM
(suitable for fan, pump, and compressor).
• IP20 and NEMA 1 (with NEMA 1 kit) Enclosure
• NEMA 4X (IP66) Washdown Enclosure with and without disconnect
switch, suitable for indoor and outdoor use (in direct sunlight)
• 200-240V, 380-480V or 500-600 input voltage
• Heavy duty rated – 150% current overload capacity
• 0 to 500 Hz output frequency
• 2.5 to 15 kHz adjustable switching frequency (5 kHz standard)
• Built-in 24 VDC Power supply (maximum 150 mA)
• Built-in RS-485 (Modbus RTU/BACnet) communication
• Four isolated programmable digital inputs
• One programmable relay output (1NO, 1NC, 240 VAC 0.5A)
• One programmable transistor output
• One isolated programmable analog input (0 to 10V, 0/4 to 20 mA)
• One isolated programmable analog output (0 -10V, 0/4-20 mA)
• Optional safe torque off module
• Pump Genius – Simplex, Multiplex (up to three pumps in parallel) like
CFW11 Pump Genius
• WLP and WPS compatible
Option Card I/O Table
Please keep in mind that if you want to use a remote keypad with
your Weg CFW500 drive it connects to the RS485 serial port. If you wish to use the WPS programming software along with a remote keypad you will need the CFW500-CRS485-B option module or the USB module CFW500-CUSB. Stock units ship with the CFW500-IOS module installed.
CFW11 Series – Frequency Inverter
WEG’s CFW11 uses state-of-the-art technology to control motors up to
1,000 HP. Aimed at increasing customers productivity, the CFW11 offers
the following innovations.
Standard Features
• Same programming as all other WEG VFDs
• Plug-and-play philosophy (connect and use) enables quick and easy
installation of accessories and options
• USB for microcomputer connection for using SuperDrive programming
and monitoring software as well as updating inverter firmware
• Human-Machine Interface (HMI) with back-lit graphic display and
soft-keys, greatly facilitates inverter programming and operation.
• DC link inductors (symmetrically connected to positive and negative
DC link terminals) enable compliance with IEC61000-3-12 standard
requirements regarding harmonics, (no need for external line
reactance).
• Intelligent thermal management enables full protection of IGBTs,
monitoring of heatsink and internal air temperature.
• Conformal coated circuit boards
• 50°C Ambient
• Automatic control of the heatsink fan with speed sensor (additional
protection) and easily detachable from the unit for cleaning and
maintenance.
• Normal Duty and Heavy Duty ratings to adapt optimally to all kinds
of loads
• Protection with failure and alarm warnings
• Motor overload protection in compliance with IEC 60947-4-2 /
UL 508 C
• Memory card built into the standard product allows user to create
functions without the need to use an external PLC (soft-PLC via
IEC61131-3 programming software)
• Guided start-up simplifies initial user programming
• Real-time clock with time and date stamped fault log TRACE / SCOPE
function to assist with the start-up and system diagnostics
• SuperDrive G2 compatible
Optional Features
• Safety stop in compliance with EN 954 – 1/category III 1
• External control feed with 24 VDC
• RFI filter in compliance with EN 61800-3 (internal) 1
• DB resistors and line/load reactors available upon request
CFW900 Series – Variable Frequency Drive
The CFW900 is a high-tech Variable Frequency Drive (VFD) for
driving and controlling three-phase induction and permanent magnet
motors. It offers excellent static and dynamic performance and highly
precise torque, speed, and position control. It can be used in a wide
range of applications due to its high overload capacity. Thanks to
its technology, the CFW900 VFD provides energy savings, safety,
increased productivity, and quality in the process network in which
it is implemented. It allows quick and easy access to the application
information and configuration settings. Using a menu structure, the new
interface of the CFW900 line offers an unprecedented user interactive
experience, providing settings and configurations with a detailed
description of the parameters right on the HMI, in addition to event logs
with date and time and a setup wizard.
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Standard Features
• IP20 enclosure protection class (UL Type 1 with optional kit).
• Dual DC link inductors enable compliance with IEC 61000-3-2 and
61000-3-12 requirements regarding harmonics (no need for external
line reactance).
• Normal-duty and heavy-duty ratings to adapt to all kinds of loads.
• Conformal coated circuit board as per Class 3C2 in compliance with
IEC 60721-3-3.
• Control Mode: Scalar, VVW (Voltage Vector WEG), Vector Control
(sensorless and closed loop with encoder feedback), VVW PM
• Smart Thermal management allowing automatic adjustment of the
switching frequency to keep the motor running in adverse conditions
of high temperature.
• IoT – Ready VFD with MQTT protocol allows direct integration with
WEG MFM.
• Specific PWM Modulation function eliminates the need of an output
filter up to 200 m motor cable length.
• Four independent slots with the possibility of expansion to seven
(7) slots to accommodate optional modules. (Any module can be
mounted in any slot in any quantity, except the communication
module which is limited to one per drive.)
• Detachable Modern Text/Graphic Keypad with USB port, built-in
Bluetooth
• (Bluetooth allows easy programming and and monitoring of CFW900
using
• Cell phone app “WEG WPS”, real-time clock with event log, copy
function, oriented start-up, and on-line help.
• Built-in as a standard:
• RFI filter meeting the requirements of electromagnetic compatibility
directive “EMC Directive 2004/108/EC”.
• Advanced SoftPLC (PLC functionality).
• 24 VDC power supply (maximum 800 mA); can also accept external
24 VDC power to keep control and communication circuits active.
• RS-485 (Modbus RTU) port
• Dual Ethernet ports (Ethernet/IP or Modbus TCP)
• STO (Safe Torque Off) and SS1 (Safe Stop, time controlled) safety
functions meet SIL3 and Ple / Category 4 requirements, eliminating
need of Safety relay/safety contactors.
SSW07 Series – Reduced Voltage Soft Starter
Soft Starters are static starting devices, designed for the acceleration,
deceleration and protection of the three-phase, electric induction motors
through the control of the voltage applied to the motor. The SSW07, with
DSP control (Digital Signal Processor), was designed to provide great
performance on motor starts and stops with an excellent cost-benefit
relation. Easy to set up, it simplifies start-up activities and daily operations.
The SSW07 is compact, optimizing space in electric panels. The SSW07
incorporates all electric motor protections and adapts to customer needs
through its easy-to-install optional accessories. Optionally, a keypad, a
communication interface or a motor PTC input can be added to the product.
Standard Features
• Universal voltage (220 to 575 VAC)
• Built-in run rated (AC1) by-pass contactor
• Significant reduction of mechanical stresses through the
coupling and transmission devices (gearboxes, pulleys,
gears, conveyors, etc.) during the start
• Increases motor and machine mechanical equipment
lifetime due to the elimination of mechanical shock
• Easy operation, setup, maintenance and installation
• Simple set-point programming through trim pots
• Operates in environments up to 55ºC without current
reduction
• Integral, electronic motor protection
• Built-in electronic thermal relay
• Avoids “Water Hammer” in pumps
• Limitation of voltage drop during start
• Switched type power supply with EMC filter for the
control electronics (110 to 240 VAC)
• SuperDrive G2 compatible
• Conformal coated circuit boards
SSW900 Series – Reduced Voltage Soft Starter
The Next Generation Advanced RVSS with Bluetooth Capability
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Combining convenience and innovation, the SSW900 is the right choice for a complete motor protection
and START/STOP control. Developed for industrial use, the new line of soft-starters allows easy and simple
access to the configuration settings and application data. Using a well-structured menu interface, the
SSW900 line provides an unprecedented experience of interactivity with the user, allowing adjustments and
configurations with on-line parameter help right on the Keypad. In addition, event logs with date and time and
set up assistant are available. All models of SSW900 soft starter have built in AC1 bypass, which contributes
to extending the life of the soft starter, optimizing space, and reducing heat dissipation inside electric panels.
Standard Features
• Universal Power Supply: 10 A to 1400 A at 220 to 575 VAC
(+10% / -15%).
• 1/90 - 250 VAC auxiliary control voltage
• Built in AC1 bypass contactors for all models
• Conformal quoted circuit board
• Detachable text/graphic keypad with USB port and with built-in
Bluetooth. Bluetooth allows easy programming and monitoring of
SSW900 using cell phone app WEG Programming Suite (WPS).
• Real time clock with event log and copy function
• Oriented start-up and on-line help
• Voltage ramp, voltage ramp plus current limit, current limit, pump
control, torque control, direct on line (DOL) start modes
• Two independent slots to connect plug-in modules
• Five isolated programmable digital inputs
• One motor thermistor input
• Three programmable relay outputs (2A / 240V)
• One programmable analog output (0-10V, 0/4-20 mA)
• Built-in SoftPLC (requires PC with WEG Programming
Suite software).
• Diagnostic features: overvoltage and undervoltage, voltage
imbalance between phases, phase sequence, motor overload and
underload, overcurrent and undercurrent, current imbalance, short
circuit, SCRs under and over temperature, time between starts, etc.
• Display readings: three main display screens, each display screen
can be configured to display nine variables like motor current, input
and output voltage, output power, power factor, motor torque, etc.
• Ambient: 32°F (0°C) to 131°F (55°C) / 104°F (40°C), frame dependent
• Optional communication: RS-485 (Modbus RTU), CANopen,
DeviceNet, Profibus DP, Ethernet/IP, Modbus TCP/IP, ProfiNet IO