Description
hardware flow control. It is an ideal choice in the field of industrial automation.
[Introduction] PLC and frequency converter are two important electrical equipment in the field of industrial automation control. This book
combines the introductory knowledge of PLC and frequency converter. The main contents include introduction to PLC, PLC composition and
principle, and the use and application of PLC programming software. System development, basic instructions and applications, step instructions
and applications, functional instructions and use, the structure and principle of the frequency converter, the use of the frequency converter, as well as
the selection, installation and maintenance of the frequency converter.
What is a frequency converter ? Generally speaking, it is: AC – DC – AC (it can also be said to be rectifier first – then inverter). The frequency converter
that undergoes this process is also called AC-DC-AC frequency conversion. Currently, it is also used in various industries. One of the more commonly
used ones. In addition, there is also an AC-AC conversion, which is also called an AC converter.
1. What is a frequency converter?
Frequency converter is a power control device that uses the on-off function of power semiconductor devices to convert industrial frequency power into
another frequency. The frequency converter is mainly composed of rectifier (AC to DC), filtering, inverter (DC to AC), braking unit, drive unit, detection unit, microprocessing unit, etc.
The frequency converter is a device that converts industrial frequency power supply (50Hz or 60Hz) into AC power supply of various frequencies to
realize variable speed operation of the motor. The control circuit completes the control of the main circuit, and the rectifier circuit converts the AC
power into DC power. The DC intermediate The circuit smoothes and filters the output of the rectifier circuit, and the inverter circuit reverses the DC
power into AC power. For inverters that require a lot of calculations, such as vector control inverters, sometimes a CPU for torque calculation and some
corresponding circuits are needed. Variable frequency speed regulation achieves the purpose of speed regulation by changing the frequency of power supply to the motor stator winding.
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SPSOE01 SOE Server Node Kit
SPSET01 DI and Time Synch Module
SPSED01 Digital input module
SPRIO22 Harmony Remote Rack I/O Module
SPQRS22 I/O module
SPFEC12 analog input module
SPDSO15 Digital output module
SPDSO14 digital output module
SPDSM04 Pulse In Module
SPDSI22 Digital input module
SPDSI14 Digital input module
SPDSI13 Digital Slave Input Module
SPCIS22 Control I/O Module
SPASO11 AO Module 14 CH, Supports 4-20mA, 1-5V
SPASI23 AI Module
SPTKM01 SOE Time Keeper Master
SPSEM11 SOE Master Module
SPNPM22 Network Processor Module
SPNIS21 Network Interface Module
SPIPT800 PN800 Transfer Module
SPIIT13 Local Transfer Mod
SPIIT12 Remote Transfer Mod
SPIIL02-L Local interface suite
SPIET800 Ethernet CIU Transfer Module
SPICT13A S+ Infi-net to Computer Interface Module
SPICI800 Ethernet CIU Kit
SPCPM02 RS-232 Serial interface
SPBRC410 Modbus Indicates the controller of the TCP interface
SPBRC400 Controller with Expanded Memory
SPBRC300 Controller module
SPBLK01 Control System module
PBA800 Process Bus Adaptor HN800
INTKM01 time Keeper Master Module
INSEM11 Sequence of Events Master Module
INNPM22 Network Processor Module
INNIS21 Network Interface Slave module
INIET800 Communication Module
INICT13A HR series controller
IMBLK01 Blank Faceplate HR Series
KEBA FM 265/A Profibus Interface module of the slave station
FC-TSHART-1620M Analog input module
FC-TSAI-1620M Analog input module
F7553 Coupling Module HIMA
HIMA 8-Channel Output Module F3330
HIMA F3236 igital Input Module
Flowserve F5-MEC-420 Feedback unit valve positioner
Mark V DS200DCFBG1BLC Power Supply Board
D674A906U01 FET3251COP1B4COH2 Automatic spare parts
GE D20 EME 10BASE-T Media Interfase Card
GE Multilin D20 EME Substation controller module
CML40.2-SP-330-NA-NNNN-NW Drive Controller
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