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时间:2018-01-15 11:23

  目前PLC在国内外已广泛应用于钢铁、石油、化工、电力、建材、机械制造、汽车、轻纺、交通运输、环保及文化娱乐等各个行业。在运城电厂主要有化学制水、生活污水处理、工业废水处理、凝结水精处理等。有关PLC的使用情况主要分为如下几类。

  1 开关

  开关是最常见的电子元件,功能就是电路的接通和断开。接通则电流可以通过,反之电流无法通过。在各种电子设备、家用电器中都可以见到开关。 PLC可以方便地实现逻辑控制取代传统的继电器。

  继电器是我们生活中常用的一种控制设备,通俗的意义上来说就是开关,在条件满足的情况下关闭或者开启。继电器的开关特性在很多的控制系统尤其是离散的控制系统中得到广泛的应用。从另一个角度来说,由于为某一个用途设计使用的电子电路,最终或多或少都需要和某一些机械设备相交互,所以继电器也起到电子设备和机械设备的接口作用。

  电路,实现逻辑控制、顺序控制,既可用于单台设备的控制,也可用于多机群控。如水泵的启停、阀门的开关、制水系统顺控、干除灰系统等。

  2 工业过程控制

  在工业生产过程当中,存在一些如温度、压力、流量、液位和速度等连续变化的量量(即模拟量),PLC采用相应的A/D和D/A转换模块及各种各样的控制算法程序来处理模拟量,完成闭环控制。PID

  3 运动控制

  PLCC

  4 数据处理

  PLCC具有数学运算(含矩阵运算、函数运算、逻辑运算)、数据传送、数据转换、排序、查表等功能,可以完成数据的采集,

  5 通信及联网

  PLCC通信含PLC间的通信及PLC与其他智能设备间的通信。随着工厂自动化网络的发展,现在的PLC都具有通信接口,通信非常方便。

  Mini-Circuits ZFAT-R512, 10 to 1000 MHz, 50 Ohm, SMA (F-F) Step Attenuator(!)

  Mini-Circuits ZFDC-10-1-75, 1 to 400 MHz, 75 Ω, BNC, Coaxial Directional Coupler

  Mini-Circuits ZFDC-10-1-75, 1 to 400 MHz, 75 Ω, BNC, Coaxial Directional Coupler

  Mini-Circuits ZFL-1000HB, 10 to 1000 MHz, 28 dB Gain, SMA (F) Coaxial Amplifier

  Mini-Circuits ZFL-11AD, 2 to 2000 MHz, 50Ω, SMA High Isolation Coaxial Amplifier

  Mini-Circuits ZFL-2000, 10 to 2000 MHz, 50Ω, SMA Medium Power Coaxial Amplifier

  Mini-Circuits ZFL-500HLN, 10 to 500 MHz, SMA Coaxial Low Noise Amplifier TESTED

  Mini-Circuits ZFM-150, 10 to 2000 MHz, 35 dB, SMA (F) Coaxial Frequency Mixer

  Mini-Circuits ZFM-2, 1 to 1000 MHz, SMA (F) Lo Power +7 dBM, Frequency Mixer

  Mini-Circuits ZFSC-2-11, 10 to 2000 MHz, 1W, 50 ohm, SMA Power Splitter Combiner

  Mini-Circuits ZFSC-2-1W-75-1A, 5 to 500 MHz, BNC Coaxial Power Splitter-Combiner

  Mini-Circuits ZFSC-2-1W-75-1A, 5 to 500 MHz, BNC Coaxial Power Splitter-Combiner

  Mini-Circuits ZFSC-2-1W-75-1A, 5 to 500 MHz, BNC Coaxial Power Splitter-Combiner

  Mini-Circuits ZFSC-2-2500, Option B, 10 to 2500 MHz, 50 Ohm, SMA (F) Splitter

  Mini-Circuits ZFSC-2-2500-3, 10 to 2500 MHz, SMA (M-M-F) Coaxial Power Splitter

  Mini-Circuits ZFSC-2-5 (HP 0955-0176) 10 to 1500 MHz, SMA Coaxial Power Splitter

  Mini-Circuits ZFSC-2-5 (HP 0955-0176) 10 to 1500 MHz, SMA Coaxial Power Splitter

  Mini-Circuits ZFSC-2-5 (HP 0955-0176) 10 to 1500 MHz, SMA Coaxial Power Splitter

  Mini-Circuits ZFSC2-6-75 0.004 to 60 MHz, 75 Ohm, 2 Way, TNC Splitter-Combiner

  Mini-Circuits ZFSC-3-13, 1 to 200 Mhz, 50 Ohm, 1 W, SMA (F) Power Splitter

  Mini-Circuits ZFSC-3-13, 1 to 200 Mhz, 50 Ohm, 1 W, SMA (F) Power Splitter

  Mini-Circuits ZFSC-4-1-75 10 to 1000 MHz, 75Ω, 1 W, BNC, Power Splitter-Combiner

  Mini-Circuits ZFSC-6-1, 1 to 175 MHz, 50 Ω, BNC Coaxial Power Splitter/Combiner

  Mini-Circuits ZFSC-6-1, 1 to 175 MHz, 50 Ω, BNC Coaxial Power Splitter/Combiner

  Mini-Circuits ZFSC-8-1-75 TNC All Ports, 8 to 1, 75 Ohm, 0.5 to 175 MHz Splitter

  Mini-Circuits ZFSC-8-1-75 TNC All Ports, 8 to 1, 75 Ohm, 0.5 to 175 MHz Splitter

  Mini-Circuits ZFSC-8375 50 to 90 MHz, 1 W, BNC, Coaxial Power Splitter/Combiner

  Mini-Circuits ZFSWA-2-46, DC to 4.6 GHz, 50Ω, SMA SPDT Absorptive Coaxial Switch

  Mini-Circuits ZFSWHA-1-20, SMA, SPST High Isolation Coaxial Switch + "B" Bracket

  Mini-Circuits ZFSWHA-1-20, SMA, SPST High Isolation Coaxial Switch + "B" Bracket

  Mini-Circuits ZHL-42, 700 to 4200 MHz, 30 dB Gain, SMA (F), Coaxial Amplifier

  Mini-Circuits ZLW3SH, 300 MHz, SMA, Lo Power (+17 dBm), Frequency Mixer,

  Mini-Circuits ZMSCJ-2-1, 50Ω, SMA, 2-Way, 0° Coaxial Power Splitter / Combiner

  Mini-Circuits ZMY-2 10 to 1000 MHz, 350 MW, 40 mA, SMA, Lo Power Frequency Mixer

  Mini-Circuits ZN2PD-1990-1 1600 to 1900 MHz, SMA Coaxial Power Splitter/Combiner

  Mini-Circuits ZN2PD2-50-S+, 500 to 5000 MHz, SMA DC Pass Power Splitter/Combiner

  Mini-Circuits ZN2PD2-50-S+, 500 to 5000 MHz, SMA DC Pass Power Splitter/Combiner

  Mini-Circuits ZOS-400 200 to 380 MHz, -24 dB typ., SMA (F-F-F) Oscillator (!)

  Mini-Circuits ZQL-1900LN 1850 to 1910 MHz, 26 dBm, SMA, Low Noise Amplifier

  Mini-Circuits ZQL-1900LNW 1850 to 1920 MHz, 50 ohm, +37 dBm Low Noise Amplifier

  Mini-Circuits ZRL-2300, 1400 to 2300 MHz, +17 VDC, 24 dB, SMA (F) Amplifier

  Mini-Circuits ZSC-3-1-75 1 to 200 MHz, 1W, BNC, 3Way, 0° Power Splitter/Combiner

  Mini-Circuits ZSCQ-2-180, 120 to 180 MHz, 90°, BNC Power Splitter/Combiner,

  Mini-Circuits ZSCQ-2-180, 120 to 180 MHz, 90°, BNC Power Splitter/Combiner,

  Mini-Circuits ZSCQ-2-50, 25 to 50 MHz, 90°, BNC Power Splitter/Combiner,

  Mini-Circuits ZSCQ-2-90, 55 to 90 MHz, 90°, BNC Power Splitter/Combiner,

  Mini-Circuits ZSDR-230 10 to 3000 MHz, 50 ohm, SPDT Pin Diode, Coaxial Switch

  Mini-Circutis 2ZN2PD-2000-1 800 to 2000 MHz, 50 ohm, SMA, Coax Splitter/Combiner

  Misumi EXRS-C1, DC 24V, 3 A, RS/RSD1/2/3 Single Axis, Robot Controller, !

  Miteq AMF-3B-3765-30 3.7 to 6.5 GHz, 30 dB, SMA (F)

  Miteq AMF-3B-3765-30 3.7 to 6.5 GHz, 30 dB, SMA (F)

  Mitutoyo 10" Vernier, Stainless Steel, Height Gauge + Stand

  Mitutoyo 20.5" x 15" x 5.5" No. 950-942 Statistical Process Control Kit + Key

  Mitutoyo 20.5" x 15" x 5.5" No. 950-942 Statistical Process Control Kit + Key

  Mitutoyo 209-788 2.0 to 4.0", 0.001" Accuracy, Pointed Jaw Caliper Gauge, w/Case

  Mitutoyo 209-788 2.0 to 4.0", 0.001" Accuracy, Pointed Jaw Caliper Gauge, w/Case

  Mitutoyo 318-102, 0-25mm Outside Diameter Elecont Micrometer, includes Case

  Mitutoyo 318-102, 0-25mm Outside Diameter Elecont Micrometer, includes Case

  Mitutoyo 326-712 1" to 2", .00005" Thread Micrometer, includes 4 Anvils & Case

  Mitutoyo 326-714 3" to 4", .00005" Thread Micrometer, includes 4 Anvils & Case

  Mitutoyo 3416, 0.001" to 1.000" Range, 2.75" Diameter, Dial Indicator

  Mitutoyo IDF-1030E 1.2"(30mm) Range, 0.001"/0.01mm Accuracy, Digimatic Indicator

  MKS 250B-1-A, 0.1 / 1 / 10 V Input, 0.8 to 100% Gain, Pressure Controller

  Modec MO20-5E-5132 pn# MR20RV0236BCL2F Pneumatic, Air Motor, Nutrunner Drill

  Model No P770, 6" Machinist Vice

  Modutec CT-600T Clamp on AC Tester,  in Original Box!

  Modutec MSQ-DVV-010, 0 to 10 Volts, 2" Square, DC Volts Panel Meter,

  Moeller SGF3M2Y-G, 300 psig, 5 lb-in, 3.5" Dial, Pressure Gauge, !

  Molex 86250-5001 Single Mode Fiber Optic Cable MXDAA-EAC-EAC-M001-A000-A000 !

  Molex 86295-3556 Single Mode Fiber Optic Cable MXDAG-EBE-LCE-M003-A000-A000 !

  Molex HTR-60670 (11-01-0167), 16 AWG, Hand Crimp Tool

  Molex HTR-60670 (11-01-0167), 16 AWG, Hand Crimp Tool

  Molex HTR-60670 (11-01-0167), 16 AWG, Hand Crimp Tool

  Molex HTR8519A, 22 to 36 AWG, Hand Crimp Tool + Pin Holder

  Moritex MHF-50L II 50 Watt, 100 VAC, 50 / 60 Hz, Fiber-Optic Light Source

  Motorola 01-3884B MVME162, 8 MB DRAM, Embedded Controller Board Assembly

  Motorola 162-040, MC68040 Microprocessor, 8 MB DRAM, Controller Board Assembly

  Motorola 162-20 (01-W38848-08B) VME Bus Interface Board Assembly

  Motorola 162-20 MVME (01-W38848-08B) Bus Interface Board + MVIP303 + MVIP302

  Motorola 162-533A (01-W3960B70F) 32 MHz, 16 MB DRAM, MVME Controller Board, !

  Motorola 705-1 MVME Connector Transition Board Assembly, For MVME, VME Series

  Motorola 705-1 MVME Connector Transition Board Assembly, For MVME, VME Series

  Motorola 712A / AM, I/O Transition Module Board Assembly, For MVME, VME Series

  Motorola 733F (01-W2364D-01A) RS-232, RJ45, MVME Serial Port Board Assembly

  Motorola HMN1052A Spectra, Astro Sereies Microphone Assembly, !

  Motorola HMN1052A Spectra, Astro Sereies Microphone Assembly, !

  Motorola HTN9167A, 90 min Rapid Charger, for Radius 300 Series Radios

  Motorola HTN9167A, 90 min Rapid Charger, for Radius 300 Series Radios