Click on document number to the far right to view a pdf file or right click save target as to download to your computer. This manual covers the ac tech scl and scm series variable frequency drives. There are a lot of tradeoffs in the different designs and depending on the goals and preferences of the. Lenzeac tech ac technology international ltd is part of the lenze group providing sales and technical support for ac inverters, servo drives and motor products. Programmable terminal for external trip activation or manual reset. The use of variablefrequency drives vfds to control ac motors has increased dramatically in recent years. Directive in the users systems and installations when using ac drives. The smv eds file is available on the cd rom that ships with the module and on the lenzeac tech website.
Guide to variable speed drives describes basics of different variable speed drives vsd and how they are used in. Each lenzeac tech product is in a class by itself when it comes to performance. This manual covers the lenze ac tech scf series variable frequency drive. Some ethernetip master configuration software utilises electronic data sheet eds files to configure the network profile and communications with the relevant devices. A power electronic device that regulates the speed of an alternating current ac motor by adjusting the frequency and the. Lenze ac tech corporation accepts no responsibility for any direct, incidental or consequential loss, cost or damage that may arise through the use of ac inverter products in these. Bearing currents in modern ac drive systems explains how to avoid damages. Find the foremost selection of variable frequency drives on. Vfd, ac drive, inverter, variable speed drive, adjustable frequency drive the basics. Lenze ac tech drives and frequency inverters back to catalog indexindustrial drives and electric is an authorized dealer for all ac tech products. Lenze ac tech provide drives in the power range between 14 to 500hp. Ac drives also known as variable frequency drives vfd, variable speed drives. The scf is an approved motor protection device for single motor applications by ul.
The smv eds file is available on the cd rom that ships with the module and on the. Ac technology corporation also holds no liability for losses of any kind which may result from this action. Lenze whitepaper helpful information about industry 4. For equipment protection, install a ground leakage type breaker with a fast response circuit capable of handling large currents. Here are the most basic steps in the programming process of.
Installation manual this manual describes how to install and connect the drive. Instruction manuals with the most uptodate information are available for download from the ac tech website. Advanced requirements in a wide range of applications. Scf series modbus communications reference pdf rgsfmod. From low backlash gearing, clutches and brakes to servo and induction motor control to hmis and plcs. Variable frequency drive vfd installation instructions input ac power 1.
Ac dcc ontrols accessories k its mods f actory options xref i ndex tech information terms w arnings ac dccontrols quick reference sm2sm4 series flux vetor submicro ac. Guide to variable speed drives describes basics of different variable speed drives vsd and how they are used in industrial processes. Control techniques ac drives provide worldclass solutions to a wide range of applications and industries. This program applies to vfds, as defined in section 1. Installation, configuration, and methods of operation of the gs1 series ac drive. In addition to their low operating cost and high performance, they save energy. Specially designed and manufactured by ac tech for variable torque hvac loads such as fans, pumps. For some inverters, not only is the easy installation mode possible, but the ability to use the coldplate or. Delta vfd ms300 micro drive deltas ms300 series is a standard compact vector control drive that inherits deltas superior drive technology. Their expert knowledge base and quality product line help you integrate components into a working system solution.
The following altivar 312 technical documents are available on the schneider electric website. Circuit breakers feeding the vfds are recommended to be thermalmagnetic and fast acting. This is definition used in all topical discussion on this paper. This manual covers the ac tech mc series variable frequency drive. That is, owing to the variable frequency drive stage topology, the vector sum of the instantaneous voltages of the three phases at the variable frequency drive output does not cancel out, but results in a high frequency electric potential relative to a common. Lenze products undergo the most stringent testing in our own laboratory. In addition to this, five logistics centers ensure that the lenze products you select are available for quick delivery anywhere across the globe. The ul file for this drive shows that it is suitable for use on a circuit capable of. When receiving a new variable frequency drive there are some basic steps that must be taken after the main wiring installation. Variable frequency drive vfd usage has increased dramatically in.
Programming manual this manual describes the functions and parameters of the drives terminals and how to use them. These drives are reliable, flexible to retrofit, easy to program, and meet the highest. The use of variablefrequency drives vfds to control ac motors has. Ac drives also known as variable frequency drives vfd, variable speed drives vsd, adjustablespeed drives or inverter drives. If an scf motor control, under normal use, becomes defective within the.
Vfd is shorted for variable frequency drive also known as ac drives and inverters thats used to make an ac motor working in variable speed among other parameters. Lenze ac tech corporation makes no warranty of any kind with respect to. A pc and ac techs free techlink software the innovative epm programmer. Whether you need a delta ac drive, mechanical power transmission component or electrical motor controls and sensors, we make it. This manual covers the lenze ac tech mc series variable frequency. A power electronic device that regulates the speed of an alternating current ac motor by adjusting the frequency and the voltage of the electrical power supplied to the motor. This manual covers the lenze ac tech mc series variable frequency drive. From low backlash gearing, clutches and brakes to servo and. Available in option box package such as input disconnect switch, input fuses, line reactor, bypass scheme. Huge energy savings potential operating centrifugal fans, pumps. The ac drive upgrade package is provided as a prewired subpanel installed within a flangemount nema 12 enclosure for the variable frequency drive with circuit protection and control. Technical manuals precision electric equipment, repairs. Operating instructions smvector frequency inverter dynamic. Variable frequency drives adjust your motor speed to closely match your output requirements, typically resulting in energy savings of 10 to 50%.
Series inverter instruction manual hitachi america. The information and technical data in this manual are subject to change without notice. Instruction manuals with the most uptodate information are available for. Variable frequency drives vfds popular speed control devices used in industrial, commercial and residential applications. Lenze ac tech corporation inverter products are sold with no warranty of fitness for a particular. You can use our three lines to help you select suitable products based on your requirements. A variable frequency drive vfd is like a throttle on a car. These drives are reliable, flexible to retrofit, easy to program, and meet the highest standards of quality. Click on document number to the far right to view a pdf file or right click save. Huge energy savings potential operating centrifugal fans, pumps and compressors vary frequency of electrical supply to an induction motor to vary the motor speed. Although this process can be confusing the first time you open your ac tech smvector vfd, or variable frequency drive, it is easy to do once youve done it once.
The ac drive upgrade package is provided as a prewired subpanel installed within a flangemount nema 12 enclosure for the variable frequency drive with circuit protection and control relay for the applicator drive subpanel dimensions are 21 x 27 w x h, enclosure dimensions are 24 x 30 x 10. Lenze ac tech variable frequency inverters are used for three phase induction motor speed control. The scf is an approved motor protection device for single motor applications by ul and cul. Ac tech vfd for control cabinet installation are designed for ip20 and ip31 protection. Stored files can be modified in the epm programmer. Variable frequency drive, operation and application of variable. Lenze ac tech smvector nema 1 and nema 4x variable frequency drives. Guide to harmonics with ac drives describes harmonic. For some inverters, not only is the easy installation mode possible, but the ability to use the coldplate or pushthrough installation technique is as well. Installation manual this manual describes how to install and. Huge energy savings potential operating centrifugal fans, pumps and compressors vary frequency of electrical.
Delta vfd ms300 micro drive delta ac drives delta vfd. This allows us to ensure that you will receive consistently high quality and a long service life. They come standard with builtin io, which is ideal for machine builders and system integrators who want to reduce engineering costs, deliver machines to market faster, and meet end user demand for more productive machines. Today ac tech vfd drives are being used in applications ranging from replacing dc motor controls and soft starts. Do you get a blank screen or other unexpected result trying to open one of our documents in. The new smv range of inverter drives offer sophisticated autotuning, fast dynamic torque response and impressive lowspeed operation, all from a compact and simple to use package. Braking guide for ac tech submicro drives pdf an0008. Without a vfd, an hvac fan or pump motor is either 100% on or 100% off. Lforce product portfolio three lines for greater freedom. Ac drives variable frequency drives vfd variable speed. Lenze ac tech ac technology international ltd is part of the lenze group providing sales and technical support for ac inverters, servo drives and motor products. Delta ac drives stocks a comprehensive and extensive line of delta drives. Installation and operation manual mh01 for more information. Ac tech sm series user manual marshall wolf automation.
A basic vfd system generally consists of an ac motor, a controller, and an operator interface. Variable frequency drives adjust your motor speed to closely. Below you will find information about the new ac tech smvector drive in a class by itself when it comes to flexibility, performance and simplicity, along with the full line of ac tech microdrives, and ac tech emc programer. Variable frequency drive vfd installation instructions. Lenze drives are used for electronic speed control of ac induction motors. Smvector frequency inverter operating instructions. Failure to do so can result in destruction of equipment and injury to personnel should a singlepoint failure occur. Delta ac drives stocks a comprehensive and extensive line of delta drives for many industrial applications. Today ac tech vfd drives are being used in applications ranging from replacing dc motor controls and soft starts to applications requiring sophisticated autotuning, fast dynamic torque response and low speed performance. It supports both im and pm motor control for application flexibility and provides sto safety mechanism. Based on demand, a vfd adjusts the speed of an hvac fan or pump motor, saving energy and prolonging equipment life.
That is, owing to the variable frequency drive stage. Powerflex 753 ac drives are costeffective and easy to use in general purpose applications requiring safety features. What is the default password for an ac tech smvector vfd. The three phase voltage supplied by the pwm variable frequency drive, differently from a purely sinusoidal voltage, is not balanced. Lenze ac tech corporation inverter products are sold with no warranty of fitness for a particular purpose or warranty of suitability for use with explosion proof motors. All ac tech smvector drives come equipped with a default password to protect the drive from operators changing parameters without the programmers consent. Mh250b lenze ac tech 5hp vfd electric motor wholesale. Read all manuals included with the box and download any instruction manual andor operating manual.
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