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　　SIMATIC S7-200 SMART 集成以太網(wǎng)接口，實現(xiàn)低成本與編程設備的通訊、強大的集成工藝功能，有效的解決方案，滿足自動化需求、和靈活的可擴展性、安裝簡單方便、可拆卸的端子、緊湊的結構可大大節(jié)省了控制柜安裝占用空間等特點。因此系統(tǒng)采用了 SR40 CPU AC/DC/RLY 的 PLC 作為控制中樞，其電源為 AC220V，節(jié)省了電源模塊、數(shù)字量輸入為 DC24V 24 點，可直接與輸入點連接、16 點輸出為繼電器輸出，干觸點電壓為 5~30VDC 或 5~250VAC,電磁閥的線圈和接觸器的線圈供電電壓為 AC220V，故可直接與 PLC 輸出電路連接，使系統(tǒng)簡單可靠。
　　SMART LINE 觸摸屏準確地提供了人機界面的標準功能，經(jīng)濟實用，具備高性價比。具有集成以太網(wǎng)接口，實現(xiàn)低成本與 PLC 控制設備的通訊，方便，快捷，強大的通訊功能，64K 色真彩顯示，800 X 480 dpi 寬屏顯示設計和傳統(tǒng)屏幕相比具有更大的可視面積，使單個畫面中可以顯示更多的信息，讓操作員具有更舒適的視覺體驗，高分辨率使畫面更清晰，畫質更細膩。
　　控制系統(tǒng)工藝分析如下：
　　1. 在檢查完無故障的情況下，啟動設備。設備自動運行完成各個過程。
　　2. 加壓延時過程，此時打開排氣電磁閥。
　　3. 加壓過程，關閉排氣閥，打開充氣閥。檢測壓力值是否正常，取模擬量值跟設定值做 對比，若壓力值過低，則低壓報警，同時停止加壓過程，關閉充氣閥，打開排氣閥。
　　4. 平衡延時過程，關閉充氣閥。檢測壓力值是否正常，去模擬量值跟設定值做比較，若超出設定值，則報警輸出，同時結束平衡延時過程，打開排氣閥。
　　5. 檢出過程，此時取模擬量值跟設定值做比較，若超出設定值，則報警輸出，同時結束檢出過程，打開排氣閥。
　　6. 結束延時過程，打開排氣閥，延遲時間結束，關閉排氣閥。
　　由于使用了 SMART LINE 觸摸屏，設備界面更加美觀，大方，也大大提高了操作的靈活性。下圖為觸摸屏操作界面。
　SIMATIC S7-200 SMART 自動控制系統(tǒng)與開關按鈕系統(tǒng)比較，增加了監(jiān)控功能，具有可靠性強、安全性好、準確性高等優(yōu)點，可節(jié)省人員的編制，大大減少因人為的誤操作或開關損壞而造成的故障，從而提高了工作效率，并相對提高了社會經(jīng)濟效益，是一種有效而實用的自動控制系統(tǒng)。
　　通過終端用戶的使用， 證明了氣密測漏機控制系統(tǒng)用 PLC 控制的方法是切實可行的。氣密性檢測裝置采用 SIMATIC S7-200 SMART PLC 控制器能大大地提高系統(tǒng)的可靠性和極大地提高了設備自動化程度，并使操作程序更加簡便，客戶較為滿意。

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Agilent / Hewlett Packard Signal Generator 8672A

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Agilent 16900A Logic Analysis System Option 014 with QTY:2 16754A Plug-Ins

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Agilent /HP 16702B Logic Analysis System

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Agilent HP 8971C Noise Figure Test Set

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Agilent / HP 83650B Sweep Generator, 10 MHz - 50 GHz

Agilent/HP 8593E Spectrum Analyzer 9kHz - 22GHz, Tested

Agilent 34972A LXI Data Aquisition/Switch Unit / 34901A

ABB 6013BZ10000B1001 INTERLAN MODEL # N13210 PCB

Agilent HP N1921A P-Series Wideband Power Sensor, 50 MHz to 18 GHz - CALIBRATED

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AFL Noyes OFL 250 Singlemode Fiber OTDR w/ VFL Power Meter OFL-250

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Agilent / HP DSO1024A Oscilloscope, Including 4X N2863A - 300MHz probs

ABB (9628A33G02) VIZ-12 2000 VA 21000/21000Y Potential Transber, Surplus

Agilent 54855A 6 GHz-20 GSa/s Infiniium Oscilloscope

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Agilent N2781A 10 MHz/150 Arms AC/DC Current Probe

Agilent / HP 4156C Semiconductor Parameter Analyzer

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Agilent HP E4426B ESG-AP Series Analog RF Signal Generator

Aeroflex IFR 3413 RF Digital Signal Generator 250kHz to 3GHz

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Agilent / HP 8565EC 50 GHz Spectrum Analyzer

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Agilent 4279A

ABB ACH550-UH-059A-4 AC DRIVE IN A

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Agilent MSO7052B Mixed Signal Oscilloscope

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Agilent/HP 04287-60121

Agilent 16803A-101-102-111-001-250

ABB 3HNM 04416-1 Calibration Fixture Kit WOW

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Agilent PREMIUM N9344C Handheld Spectrum Analyzer (HSA), 1 MHz to 20 GHz

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ABB 58031844 Mem86-3 192K AB Stromberg

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AFAB Enterprises PR-111 Inline Process Refractometer Calibration included

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Agilent / HP 8757D Network Analzer, 110 GHz, Scalar with Option 001

Air Circuit Breaker

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Agilent 11974A

ABB 3HAB8802-1 /2B Servo Drive Unit 3HAB88021

Agilent HP E4408B Spectrum Analyzer

Aeroflex IFR 2031 Signal Generator

Agilent N5230A-025

Agilent / HP 8515A S-Parameter Test Set 45 MHz to 26.5 GHz, 3.5mm

Agilent/HP 8757D Scalar Network Analyzer

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Agilent Plug in Model#-83496A with Options 101 & 300

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Agilent / HP 70421A Downconverter, 5 MHz - 6.6 GHz

Agilent/HP 5347A 20GHz Microwave Counter/ Power Meter " & Calibrated".

Agilent N4373A /101-202-021

Agilent / HP 70910A Spectrum Analyzer RF Module, 100 Hz - 26.5 GHz

Agilent/HP 54820A Oscilloscope - USB Interface 500 MHz, 2 GS/s, 2 channels

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ABB 52614759 CPU86-NDP Allen Bradley Stromberg

Agilent HP E5574A Optical Loss Analyzer option:022, 135, 015, 020,022,015

Aerotech AOM130M-24 24 Gimbal Mount with Optics Lift

Agilent N8300A Wireless Net Test Set, 4.8GHz, opts 505/1FP

Agilent / HP 8648C Signal Generator, 9 kHz - 3.2 GHz + Option 1E5

Agilent-HP 8720D VECTOR NETWORK ANALYZER

Agilent 53132A Universal Frequency Counter, 12 digits/s with Opt. 010 and 030

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Agilent / HP E1429A / E1429B 20 MSa/s Digitizer

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Agilent / HP 8565EC Spectrum Analyzer: 9 kHz to 50 GHz with Option 007

Agilent/HP E6380A CDMA Base Station Test Set

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Agilent / HP 8156A Optical Attenuator w/option 101

Agilent/HP 8156A Optical Attenuator with Option 350 MM

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Agilent / HP 8720ES Network Analyzer, 50 MHz to 20 GHz + Option H32: A&B Access

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Agilent 1169A calibrated and

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ABB AA263777XX0000P ADVAC VACUUM MEDIUM VOLT 3000A 15KV CIRCUIT BREAKER B204176

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Agilent HP N8738A DC Power Supply