福建中立恒自动化设备有限公司
一、摘要 PLC是一种专门在工业环境下应用而设计的数字运算操作的电子装置。
它采用可以编制程序的存储器，用来在其内部存储执行逻辑运算、顺序运算、计时、计数和算术运算等操作的指令，并能通过数字式或模拟式的输入和输出，控制各种类型的机械或生产过程。PLC及其有关的外围设备都应按照易于与工业控制系统形成一个整体，易于扩展其功能的原则而设计。在工业生产的各个领域，机械加工企业为了提高生产效率，采用机械化流水作业的方式，对不同类型的零件分别组成的自动生产线。随着产品机型的更新换代，生产线承担的加工对象也随之改变，这就需要改变控制程序，使生产线的机械设备按新的工艺过程运行，而继电接触器控制器系统是采用固定接线，很难适应这个要求。大型自动生产线的控制系统使用的继电器数量很多，随着PLC的应用日益普及,其使用方法简单,便于掌握,且可靠性,抗干扰性很强,自身具有完善的功能.模块化的结构,使其在工业生产线上的应用越来越广泛。
发展趋势：1.向高速度、大容量方向发展
为了提高PLC的处理能力，要求PLC具有的响应速度和更大的存储容量。目前，有的PLC的扫描速度可达0.1ms/k步左右。PLC的扫描速度已成为很重要的一个性能指标。
在存储容量方面，有的PLC可达几十兆字节。为了扩大存储容量，有的公司已使用了磁泡存储器或硬盘。
2.向超大型、超小型两个方向发展
当前中小型PLC比较多，为了适应市场的多种需要，今后PLC要向多品种方向发展，特别是向超大型和超小型两个方向发展。现已有I/O点数达14336点的超大型PLC，其使用32位微处理器，多CPU并行工作和大容量存储器，功能强。
Bearing for Connecting Rod For Compressor Daikin 6C75-EA
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HONEYWELL 922AB2XM-B9P-L MICRO SWITCH
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Mitsubishi TH-N20 9A Thermal Overload Relay
Mitsubishi TH-N20TA Thermal Overload Relay
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Fuji Electric TR-0N TR13N Thermal Overload Relay 4-6A
Fuji Electric TR-0N TR13N Thermal Overload Relay 2.2-3.4 A
Fuji Electric TR-0N TR13N Thermal Overload Relay 1.4-2.2 A
Fuji Electric AH30-S6-0270 Command Switch
ENERPAC V152K VALVE KIT
Merlin Gerin C60H 32A multi9 Circuit Breaker
Gastec no.4H Hydrogen sulfied detector tube 10-4000ppm , 100-2000ppm
Dumont 3/8" D HS Keyway Broach
Dumont 1/2" D HS Keyway Broach
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PR Electronics 5114A Programmable Transmitter PR 5114
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Enerpac FZ1630 Service Kit
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Taie Micro Temperature Controller Fy800-101000
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GEDORE 1.30/5 INTERNAL EXTRACTOR 30-36mm
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IFM ELECTOR IB-3020-LBPOG Proximity Sensor
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YAMATAKE HONEYWELL 2LS1-J MICRO LIMIT SWITCH
Omron WLCA2-8 Limit Switch WLCA28
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Ourlon WL CA12-2 Limit switch WLCA122
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Omron E5CN-R2TC Temperature Controller
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500cc Aluminum Alloy Steel Oil Suction Vacuum Pump Hand Syringe G Extractor
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PR electronics 2238 limit switch
DuMont Green Field 1-11/16-D Broach Bushing
DuMont Green Field 1-7/16-D Broach Bushing
Honeywell SZL-WL-B Limit switch
Omron D4B-2100N Limit Switch D4B
Omron D4A-0500N Limit Switch D4A0500N
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ASP-02-W Proximity Sensor
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10pcs SIEMENS 3RH2911-1AA01 Auxiliary Switch Block Qty
COMECO RT28U POWER SUPPLY CONTROLLER RT28U-L
NEXUS 52-2 Internal Extracting Puller
PR Electronics 2204 Isolation Amplifier
HG2-SFD Socket with Power Relay
2pcs L18/20.508 Ballast 110V~60Hz tw 130/Δt65
2pcs FLUORESCENT LAMP BALLAST 110V~60Hz 15W
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L36/40.905 Ballast For fluorescent lamp 36/40W tw 120/Δt 75
Fuji fl20sx1 edd-20100b1 ballast 100v 24w 60hz
Enerpac GA-3 Gauge Adapter 10000 Psi 700 bar
Siemens 3RV1011-1BA10 Motor Protector Breaker 3 Pole 1.4 to 2 Amps
Omron H3CR-H8L Timer Power Delay
XHNOTION AC2000-02 Pneumatic Air Filter Regulator G1/4" 0.5-8 Bar
IDEAL ID-18-3008 NA Series Proximity Switch
Dumont 1-3/4” D Broach Bushing Green Field
Dumont 1-5/8” D Broach Bushing Green Field
KANA ELECTROMECHS 51047 Proximity Switch
proximon controls Proximity Switch
Torque wrench adjustable 1/4 drive
NTN 6212ZZ/2A 95-11 Deep Groove Ball Bearing
Nexus 51-6 Bering Internal Extractor special tool
Enerpac Relief Valve Assembly Kit CH202950K
SCHONBUCH ELECTRONIC INCT1212 PROXIMITY SENSOR SWITCH 10...35 VDC 200mA
PEPPERL FUCHS KFD2-SD-Ex1.17 solenoid driver Part No 72040
Pepperl Fuchs Z954 Part No. 71863 Zener Barrier
Hand held test pump Pressure calibrator AdaptersFitting
Hand held test pump Pressure calibrator Adapters/Fitting
Hand held test pump Pressure calibrator Adapters,Fitting
DuMont Green Field 2-3/16-D Broach Bushing
DuMont Green Field 1-15/16-D Broach Bushing
DuMont Green Field 1-13/16-D Broach Bushing
PepperlFuchs KFD2-UT2-Ex1 Temperature iversal Converter 223812
PEPPERL FUCHS SOLENOID DRIVER KFD2-SD-EX1.48-90A 72046
PepperlFuchs KFD2-SD-Ex1.36 Smart Transmitter 116317
Pepperl Fuchs KFD2-UT-Ex1 iversal Temperatur Measurement 72190
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