描述
根據(jù)生產(chǎn)工藝要求,分析被控對(duì)象的復(fù)雜程度,進(jìn)行I/O點(diǎn)數(shù)和I/O點(diǎn)的類(lèi)型(數(shù)字量、模擬量等)統(tǒng)計(jì),列出清單。適當(dāng)進(jìn)行內(nèi)存容量的估計(jì),確定適當(dāng)?shù)牧粲熊浻布Y源余量而不浪費(fèi)資源的機(jī)型(小、中、大型機(jī)器)。
根據(jù)PLC輸出端所帶的負(fù)載是直流型還是交流型,是大電流還是小電流,以及PLC輸出點(diǎn)動(dòng)作的頻率等,從而確定輸出端采用繼電器輸出,還是晶體管輸出,或品閘管輸出。不同的負(fù)載選用不同的輸出方式,對(duì)系統(tǒng)的穩(wěn)定運(yùn)行是很重要的。
電磁閥的開(kāi)閉、大電感負(fù)載、動(dòng)作頻率低的設(shè)備,PLC輸出端采用繼電器輸出或者固態(tài)繼電器輸出;各種指示燈、變頻器/數(shù)字直流調(diào)速器的啟動(dòng)/停止應(yīng)采用晶體管輸出。
2.3確定PLC編程工具
(1)一般的手持編程器編程。手持編程器只能用商家規(guī)定語(yǔ)句表中的語(yǔ)句表(STL)編程。這種方式效率低,但對(duì)于系統(tǒng)容量小、用量小的產(chǎn)品比較適宜,具有體積小、價(jià)格低、易于現(xiàn)場(chǎng)調(diào)試等優(yōu)點(diǎn)。這主要用于微型PLC的編程。
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主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國(guó)AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國(guó)西屋)系列產(chǎn)品》
⑤SIEMENS(西門(mén)子系列產(chǎn)品)》
⑥銷(xiāo)售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(??怂共_):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場(chǎng)輸入/輸出模塊)
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。
⑨Siemens(西門(mén)子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂(lè)):Indramat,I/O模塊,PLC控制器,驅(qū)動(dòng)模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
EXFO FLS-130 MM 1300 Fiber Optic Light Source FLS
Acterna JDSU DSAM-3500B Digital CATV Meter DSAM 3500
FIS OV-PM SM / MM Fiber Power Meter F18513HH OVPM
GN Nettest LP-5025 SM MM Fiber Optic Power Meter LP5025
Laser Precision AM-450 Optical Fiber Identifier AM450
Tempo RIFOCS 558B SM Fiber High Intensity Power Meter
EXFO FVA-60A MM Fiber Variable Attenuator FVA-60 FVA
Agilent HP Sunrise CALAN Star 3010B SLMS CATV 3010
AFL Noyes TURBOTEST 500B SM Fiber Loss Test Set T50B-4
GN Nettest GN-6025 SM Fiber Optical Loss Test Set 6025
FIS F1-1550DLX OV-DPM Deluxe Power Meter OV DPM F1-1550
Sumitomo Type-36 Fiber Fusion Splicer Type 36 Type36
Fluke Networks DTX-1800 Cat5 Cat5e Cat6 Tester DTX1800
TTC JDSU Acterna 2000 Test Pad T-BERD 2209 TBERD DS3 T1
Sumitomo Type-36 Fiber Fusion Splicer Cleaver Type 36
@CALIBRATED@US?F-21@Core Alignment@60 Day Warranty@
Siecor Corning CFS Fusion Splicer & SM Fiber OTDR Plus
FiTeL S122A Handheld Fusion Splicer Fiber S122 Cleaver
Anritsu Site Master S331B Cable Antenna SiteMaster S331
Fluke Networks OneTouch Series II 10/100 Network Tester
Fluke 105B ScopeMeter Series II 100MHz Scope Meter 105
JDSU Acterna Wavetek SDA-4040D CATV SDA4040D SDA 4040D
Siemon Cabling MT-RJ Fiber Termination System w Cleaver
Laser Precision LP-5100 MM Modulated LED Light Source
EXFO FOS-120A MM 850/1300 Fiber Optic Light Source FOS
Fluke Microtest MicroScanner Pro Network Cable Tester
Fluke Microtest FiberLight FiberEye MM Test Kit Fiber
Fluke Microtest FiberEye Multimode Fiber Power Meter
Fiber Optic Inspection Tool Kit w/ Fiberscope
EXFO BRT-320A Fiber Optic Back-Reflection Meter BRT320A
Acterna Wavetek JDSU SDA-5000 CATV SDA5000 QAM RvrSwp
USFiberOptic USF-21 High Precision Fiber Cleaver New
Leviton Fiber Optic Tool Kit With 200x Fiberscope
Wavetek LANTEK PRO XL Cat5 Cable Tester Certifier
Agilent Wirescope 155 Cat5e Multimode Fiber Certifier
Fluke Networks 672 LANMeter Cat5 Cat5e Network Analyzer
Corning Siecor FuseLite Fiber Termination Systm Cleaver
NOYES OPM 1-2C & GN Nettest LP-5150 MM Fiber Test Kit
EXFO FOT-900 SM Fiber Optic Test System FOT 900 FOT900
EXFO FOT-910 SM Fiber Optic Test System FOT 910 FOT910
Anritsu Site Master S332B Cable Antenna SiteMaster S332
Fluke Networks DSP-4300 Cat5e Cat6 Cable Tester DSP4300
Agilent Wirescope 350 Cat5 Cat5e Cable Certifier
Fluke DSP-4300 Cat6 DSP4300 FTA410 MM Fiber DSP-FTA410
JDSU Acterna DSAM-2500B Digtal CATV Meter DSAM2500 DSAM
Wavetek Acterna JDSU SDA-5000 CATV PthTk RvrSwp SDA5000
Fluke 196 ScopeMeter Oscilloscope Scope Meter 196B
JDSU T-BERD 6000 E8126VSRe SM Fiber OTDR 8126 VSRe VFL
Acterna Wavetek HCU-400 4-Slot PathTrak Controller HCU
GN Nettest GN-6005 GN-1315 SM Fiber Loss Test Set 6005
GN Nettest CMA4000 OTDR CMA4425 SM Fiber CMA 4000 VFL
Fluke Networks 990DSL Series 2 CopperPro Tester 990 DSL
Wavetek Ideal LT8600 Cat5 Cat5e Cat6 Cable LT-8600
IDEAL LANTEK 6 Cat5e Cat6 Cable Tester Certf LANTEK6 6A
EXFO FiberBasix 500 SM MM Fiber Loss Test Set ELS-500
FiTeL S175 V2000 Fusion Splicer & Siecor OTDR Plus VFL
Acterna Wavetek SDA-5000 HCU-400 CATV PathTrak Controll
Acterna JDSU HST-3000C DSL Tester HST-3000 ADSLR Copper
Acterna Wavetek SDA-5000 HCU-400 CATV PathTrak Controll
GN Nettest CMA4000 OTDR CMA4436 SM Fiber 4436 CMA 4000
Sumitomo Type-62 Ribbon Fiber Fusion Splicer Cleaver
Fluke Microtest OMNIScanner Cat5 Cat5e Cat6 Certifier
Siecor Corning SM MM OTDR Plus Multitester II 340M VFL
Sumitomo Type-62 Ribbon Fiber Fusion Splicer Type 62
Fluke DTX-GFM MM Fiber 4 DTX-1200 DTX-1800 DTX GFM GIG
Sadelco MiniMax 600 Signal Level CATV Meter Mini Max
Fluke 1735 Three Phase Power Logger
Tektronix TekScope THS720A 100MHz Oscilloscope THS720
Tempo CableScout TV90 Coax CATV TDR Cable Tester
TTC JDSU Acterna 2000 Test Pad T-BERD 2207 TBERD
Acterna BAT-2700 TestPad Base Station & Air Interface
Wilcom F6230 Optical Fault Locator OFL
Fluke Networks Fiber Optic Ceaning Kit NFC-KIT NFC