描述
NOT為邏輯結(jié)果取反指令，在復(fù)雜邏輯結(jié)果取反時(shí)為用戶提供方便。NOP為空操作，對(duì)程序沒有實(shí)質(zhì)影響。MEND為無條件結(jié)束指令，在編程結(jié)束時(shí)一定要寫上該指令，否則會(huì)出現(xiàn)編譯錯(cuò)誤。調(diào)試程序時(shí)，在程序的適當(dāng)位置插入MEND指令可以實(shí)現(xiàn)程序的分段調(diào)試。
4．比較指令
比較指令是將兩個(gè)操作數(shù)按規(guī)定的條件作比較，條件成立時(shí)，觸點(diǎn)就閉合。比較運(yùn)算符有：=、>=、<=、>、<和<>。
（1）字節(jié)比較字節(jié)比較用于比較兩個(gè)字節(jié)型整數(shù)值INl和IN2的大小，字節(jié)比較是無符號(hào)的。比較式可以是LDB、AB或OB后直接加比較運(yùn)算符構(gòu)成。如：LDB=、AB<>、OB>=等。
整數(shù)INl和IN2的尋址范圍：VB、IB、QB、MB、SB、SMB、LB、*VD、*AC、*LD和常數(shù)。
指令格式例如：LDB=VBl0，VBl2
（2）整數(shù)比較整數(shù)比較用于比較兩個(gè)一字長整數(shù)值INl和IN2的大小，整數(shù)比較是有符號(hào)的（整數(shù)范圍為16#8000和16#7FFF之間）。比較式可以是LDW、AW或OW后直接加比較運(yùn)算符構(gòu)成。如：LDW=、AW<>。OW>=等。
整數(shù)INl和IN2的尋址范圍：VW、IW、QW、MW、SW、SMW、LW、AIW、T、C、AC、*VD、*AC、*LD和常數(shù)。
指令格式例如：LDW=VWl0，VWl2
（3）雙字整數(shù)比較雙字整數(shù)比較用于比較兩個(gè)雙字長整數(shù)值INl和IN2的大小，雙字整數(shù)比較是有符號(hào)的(雙字整數(shù)范圍為16#80000000和16#7FFFFFFF之間)。比較式可以是LDD、AD或OD后直接加比較運(yùn)算符構(gòu)成。如：LDD=、AD<>、OD>=等。
雙字整數(shù)INl和IN2的尋址范圍：VD、ID、QD、MD、SD、SMD、LD、HC、AC、*VD、*AC、*LD和常數(shù)。
指令格式例如：LDD=VDl0，VDl2
歐美品牌停產(chǎn)的，常用的“PLC”備品備件
我司產(chǎn)品應(yīng)用于以下領(lǐng)域：
1,《發(fā)電廠DCS監(jiān)控系統(tǒng)》
2,《智能平鋼化爐系統(tǒng)制造》
3,《PLC可編程輸送控制系統(tǒng)》
4,《DCS集散控制系統(tǒng)》
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5,《智能型消防供水控制系統(tǒng)》
6,《化工廠藥液恒流量計(jì)算機(jī)控制系統(tǒng)》
7,《電氣控制系統(tǒng)》造紙,印染生產(chǎn)線,變電站綜合自動(dòng)化控制系列
本特利，英維思，伍德沃德，?？怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂，ACSO，力士樂等各大品牌的DCS系統(tǒng)配件，機(jī)器人系統(tǒng)配件，大型伺服系統(tǒng)備件。
A72127 Waters 600 Multisolvent Delivery System HPLC
A72125 Waters 4000 Pump System Controller HPLC
A72126 Coherent Innova 90 Argon Ion Laser System
C74126 Laserscope KTP/532 Nd:YAG Surgical Laser System
C73470 Spectra-Physics T20-8S40 Diode Laser System
C65584 Perkin Elmer 1002700 Vacuum Ion Pump System
C51594 Agilent 16950A 600MHz State/4GHz Timing/1Meg Mem
A73479 Blue M Oven CR07-1406F-2,204°C/400°F
C61589 Varian G-292 Rotating Anode X-Ray Tube in B-130H
C73507 Cartesian HONEYBEE Protein Crystallization Syste
C71355 Isel Wafer Handling Robot w/Built-In Controller
G75594 Sanyo CO2 Incubator MCO-18AIC(UV)
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C70346 Veeco Dektek SXM Atomic Force Microscope Control
G75595 Sanyo CO2 Incubator MCO-18AIC(UV)
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L75707 Nikon Optiphot-2 Microscope&Camera/Controll?er
L75708 Precision 200R Durafuge Refrigerated Centrifuge
G73928 HP G1330A ALS Therm Series 1100
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G71854 NSK XY-HRS120-RH2SN?F Linear Stage w/Ballscrew
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G74627 Labsystems Flouroscan II Fluorescent Type 373
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G71680 Valhalla Scientific D6100 Spectral Pwr.Analyzer
G54942 Alcatel IPUP A100L Dry Vacuum Pump
G75678 Argonaut Tech.Quest 210 SLN Control&Quest 210
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G54937 Alcatel IPUP A100L Dry Vacuum Pump
C72909 Isel Robotik IPA-58-VKS3-1 5-8″Wafer Prealigner
AC44258 Prometrix Spectromap Film Wafer System SM200/e
C69221 Wentworth FIX-R-1-E Probe Card Repair Station
A34721 Thermotron Environmental Chamber,460/3/60
L75904 Karl Storz Equimat&Endomat System w/stand
C67797 R&K Rucker Kolls 300 Probe Card Building Station
A74366 Sartorius Sartocheck 3 Filter Integrity Tester
A74400 V&P Scientific VP 707 Magnetic Levitation Stirr
C54282 Hot Cold Temp Vacuum Wafer Chuck 11″Stage
C67233 Adept Robot Module 90400-04318/XY-P177S180-1
C56452 Tektronix TLA715 Logic Analyzer(Calibrated 2010
G71828 DeHaart MPC 24/29 Screen Printer
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A73306 Mar Research Mar345 Image Plate Detector
A75549 Shimadzu RF-1501 Spectrofluoroph?otometer
C74536 Markem 590 SGT Pad Printer&Touch Panel Display
A69922 Lot of(2)EPE Computer Power Center PowerPacs
C51252 Tektronix TLA715 Logic Analyzer(Calibrated 2010
C53849 Precision Measurement Microscope Sys w/X-Y Stage
A73329 Oxford Cryosystems Cooler Evap Probe,Pump Unit
CC44406 MRL 14TC-45 Conveyer Furnace/Reflow Oven
L75274 Cleansorb C5095DCC Dry Bed Absorber Cabinet
K67775 K&S Kulicke&Soffa 6490 Semi-Auto DieBonder
K72692 Quester Tech UFT10-02 Liquid Source Gas Cabinet
L70515 Varian DS 102 Dual Stage Rotary Vane Vacuum Pump
C72407 Flexus 2 Thin Film Stress Measurement System
C72662 Powervar GPI 3-Phase Power Conditioner 125kVA
A75741 Lab Products 59015HD Vet/Animal Caging System
C75836 Leitz Diavert Trinocular Inverted Microscope
C69606 Intevac NCT 200L Assy Sputtering Source Gun
C70441 Intevac Sputtering Source NCT Intervace Mark V
A39173 Carbolite Type GPC 12/65 Chamber Furnace,1200°C
AH43124 UTE SCS i 124 Substrate Vertical Lap Cleaner
A60926 ALPHASEM AG DB608-PRL Die Bonder w/Selectron
AC44359 Prometrix Resistivity Prober 6″VR-30A System
C71872 CTI-Cryogenics Cryo-Torr 100 Cryopump Cryo Pump
K68523 Kern CPM1 Stereocomparato?r Mono/Stereo
K75665 Nikon Optiphot-2 Trinocular Lab Microscope
R75873 UNISEM Model PPD1500A-A02-AM?T Chiller
L75702 GE Fractionation Kit*NIB*11-0035-99
AT51403 Hughes Model 2500 Automatic Die Bonder
A64698 Advanced Energy PEP-2500 Plasma RF Power Supply
G74798 Alphasem AG DB 608-PRL Die Bonder w/Selectron
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A72761 AMC Automation&Modular Component Modu-Con MX2
CT74225 Kevex 7078 Wafer Analysis,X-Ray Source Control
G61761 Applied Biosystems 373 DNA Sequence Stretch
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A75223 Power-One 3G37-36 Power Distrubution Unit 40 kVA
C56823 Dage Microtester 22 10kg Shear Test Load Cell
C70560 Royce MBS200 Wire Bond Pull Tester MBS 200
A58949 ESEC SA Wafer Mounter 650.010/6
A72207 Lot of Quality Transformers Corp.10kVA,7.5kVA
A72210 Lot of Lithonia Lighting Reflectors,HID Housing
A74404 Wave Biotech O2MIX Controller,O2MIX20
C53689 Tenney 5 Environmental Chamber(m/n T5-2-100350)
C52722 MCT 4600 Chip Carrier IC Handler for 84PLCC
C52721 MCT 4610 Chip Carrier IC Handler for 28PLCC
C52701 MCT 4600 Chip Carrier IC Handler for 52PLCC
L74808 Welch Allyn Video Path Colposcope 89021A
G63902 Forma Scientific 8325 Bio Freezer
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C52694 MCT 3608E IC Handler for 300mil 20pin DIP 3608E3
C52696 MCT 3616E IC Handler(m/n 3616E48P)
C70012 Dage Microtester 22 500gm Shear Test Load Cell
C68808 Davidson Optronics D657-100A Autocollimator
K72695 Innovate 9000 Semiconductor Test Head 220V
C52790 Dage Microtester BT22 5kg Pull Test Load Cell
C52792 Dage Microtester BT22 200g Pull Test Load Cell
C52791 Dage Microtester BT22 1.5kg Pull Test Load Cell
C67867 Dage BT22-LC02 50gm Pull Test Load Cell for BT22
L75273 Asymtek MM-FSLU-STD Upstream Wafer Loader
L75438 Varian DS-102 Dual Stage Rotary Vane Vacuum Pump
C67115 HP Agilent 2090-0357 Vacuum Fluorescent Display
C67234 Adept Robot Module 90403-41063R XY-HRS063CS110A?D
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