CP451-10-S2在PLC誕生之前，繼電器控制系統(tǒng)已廣泛應(yīng)用于工業(yè)生產(chǎn)的各個(gè)領(lǐng)域，起著不可替代的作用。隨著生產(chǎn)規(guī)模的逐步擴(kuò)大，繼電器控制系統(tǒng)已越來(lái)越難以適應(yīng)現(xiàn)代工業(yè)生產(chǎn)的要求。繼電器控制系統(tǒng)通常是針對(duì)某一固定的動(dòng)作順序或生產(chǎn)工藝而設(shè)計(jì)，他的控制功能也局限于邏輯控制、定時(shí)、計(jì)數(shù)等一些簡(jiǎn)單的控制，一旦動(dòng)作順序或生產(chǎn)工藝發(fā)生變化，就必須重新進(jìn)行設(shè)計(jì)、布線(xiàn)、裝配和調(diào)試，造成時(shí)間和資金的嚴(yán)重浪費(fèi)。繼電器

 CP451-10-S2 

 CP451-10-S2 

  

在PLC誕生之前，繼電器控制系統(tǒng)已廣泛應(yīng)用于工業(yè)生產(chǎn)的各個(gè)領(lǐng)域，起著不可替代的作用。隨著生產(chǎn)規(guī)模的逐步擴(kuò)大，繼電器控制系統(tǒng)已越來(lái)越難以適應(yīng)現(xiàn)代工業(yè)生產(chǎn)的要求。繼電器控制系統(tǒng)通常是針對(duì)某一固定的動(dòng)作順序或生產(chǎn)工藝而設(shè)計(jì)，他的控制功能也局限于邏輯控制、定時(shí)、計(jì)數(shù)等一些簡(jiǎn)單的控制，一旦動(dòng)作順序或生產(chǎn)工藝發(fā)生變化，就必須重新進(jìn)行設(shè)計(jì)、布線(xiàn)、裝配和調(diào)試，造成時(shí)間和資金的嚴(yán)重浪費(fèi)。繼電器控制系統(tǒng)體積大、耗電多、可靠性差、壽命短、運(yùn)行速度慢、適應(yīng)性差。為了改變這一現(xiàn)狀，1968年美國(guó)zui大的汽車(chē)制造商通用汽車(chē)公司（GM），為了適應(yīng)汽車(chē)型號(hào)不斷更新的需求，并能在競(jìng)爭(zhēng)激烈的汽車(chē)工業(yè)中占有優(yōu)勢(shì)，提出要研制一種新型的工業(yè)控制裝置來(lái)取代繼電器控制裝置，為此，擬定了10項(xiàng)公開(kāi)招標(biāo)的技術(shù)要求，即： 
            1、 編程簡(jiǎn)單，可在現(xiàn)場(chǎng)修改程序
            2、 維護(hù)方便，是插件式
            3 、可靠性高于繼電器控制柜
            4 、體積小于繼電器控制柜
            5 、可將數(shù)據(jù)直接送入管理計(jì)算機(jī)
            6 、在成本上可與繼電器控制柜競(jìng)爭(zhēng)            
            7、輸入可以是交流115V
            8、輸出可以是交流115V，2A以上，可直接驅(qū)動(dòng)電磁閥等
            9、 在擴(kuò)展時(shí)，原有系統(tǒng)只要很小變更
           10 、用戶(hù)程序存儲(chǔ)器容量至少能擴(kuò)展到4K

鄭娟萍

廈門(mén)仲鑫航自動(dòng)化設(shè)備有限公司

目前，隨著大規(guī)模和超大規(guī)模集成電路等微電子技術(shù)的發(fā)展，PLC已由zui初一位機(jī)發(fā)展到現(xiàn)在的以16位和32位微處理器構(gòu)成的微機(jī)化PC，而且實(shí)現(xiàn)了多處理器的多通道處理。如今，PLC技術(shù)已非常成熟，不僅控制功能增強(qiáng)，功耗和體積減小，成本下降，可靠性提高，編程和故障檢測(cè)更為靈活方便，而且隨著遠(yuǎn)程I/O和通信網(wǎng)絡(luò)、數(shù)據(jù)處理以及圖象顯示的發(fā)展，使PLC向用于連續(xù)生產(chǎn)過(guò)程控制的方向發(fā)展，成為實(shí)現(xiàn)工業(yè)生產(chǎn)自動(dòng)化的一大支柱。
    現(xiàn)在，世界上有200多家PLC生產(chǎn)廠家，400多品種的PLC產(chǎn)品，按地域可分成美國(guó)、歐洲、和日本等三個(gè)流派產(chǎn)品，各流派PLC產(chǎn)品都各具特色。其中，美國(guó)是PLC生產(chǎn)大國(guó)，有100多家PLC廠商，*的有A-B公司、通用電氣（GE）公司、*康（MODICON）公司。歐洲PLC產(chǎn)品主要制造商有德國(guó)的西門(mén)子（SIEMENS）公司、AEG公司、法國(guó)的TE公司。日本有許多PLC制造商，如三菱、歐姆龍、松下、富士等，韓國(guó)的三星（SAMSUNG）、LG等，這些生產(chǎn)廠家的產(chǎn)品占有80%以上的PLC*。

SIEMENS 6SE1200-1AB60-0 SIMODRIVE POWER BOARD ***XLNT***

ASHCROFT 1305-D PORTABLE DEAD WEIGHT TESTER 1000 PSI***NIB***

GE GENERAL ELECTRIC GE-232-277-N BALLAST W/FLUORESCENT FIXTURE (LOT OF 9) *NIB*

SIEMENS CIB MM440 AC FX 110KW CIBMM440ACFX 6SL3351-6GE32-6AA1 BOARD *XLNT*

YOKOGAWA AVR10D.Q22010 VNET ROUTER 2 SUPPLY 100-120VAC 50/60Hz ***XLNT***

ENDRESS + HAUSER LR69323 CIRCULAR CHART RECOREDER ***XLNT***

SMC D-Y59A PROXIMITY SWITCH 10' LEAD (LOT OF 3) ***NNB***

SMC D-Y59A PROXIMITY SWITCH 20" LEAD (LOT OF 3) ***NNB***

MURR ELEKTRONIC 3124988 VALVE PLUG CABLE 110VAC/DC-1A  ***NNB***

SIEMENS 3RH1921-1FA22 AUXILIARY CONTACT BLOCK 10A 240V ***NIB***

BURKERT 0201 A 1,6 NBR MS SOLENOID VALVE 24V 4W 0-6BAR ***XLNT***

RELIANCE 0-63007/063007/O-63007 COMM INTERFACE BOARD FOR FLEXPAK 3000 ***XLNT***

GENERAL ELECTRIC TH4322 GE HEAVY DUTY SAFETY SWITCH 60AMP 240V 15HP **XLNT**

APC SURTRK2 UPS RAIL KIT ***NIB***

EDSTROM 12433 020 PRESSURE REDUCING STATION***XLNT***

SIEMENS 3TF3001-0A CONTACTOR 110/120V 50/60HZ 20A 600VAC ***XLNT***

TRIPP LITE BP48V24-2U UNINTERRUPTABLE POWER SUPPLY ***NIB***

TRIPP LITE SU2200RTXL2Ua UNINTERRUPTABLE POWER SUPPLY SERIES AGPS5183 ***NIB***

VISOLUX RLK39-54/31/40A/116 PHOTOELECTRIC SENSOR ***XLNT***

PLANET NETWORKING UH-430 4-PORT USB 2.0 HUB ***NIB***

JOHNSON CONTROLS AS-XFR050-0 50VA SPLIT BOBBIN POWER TRANSFORMER 120VAC **NIB**

DWYER 1823-1 PRESSURE SWITCH SERIES 1800 10PSI 15A 125/250/480VAC ***NIB***

HAUNI 189-537-0-EN8720 TEMP WARNING CARD ***RFB***

SUN 530-2115-02 HD50-HD68 SCSI CABLE 4FT ***NNB***

DELL PR01X DOCK STATION 19.5V 4.62A USE WITH ADAPTER PA-10 ***XLNT***

ENTRELEC 30 005.26 TERMINAL BLOCK 115VAC 60Hz ***XLNT***

VERSA E5SM-3011-34-NB1-HCC-D024 PNEUMATIC DIRECTIONAL SOLENOID VALVE ***NNB***

SIMER PUMP 504120 9FT SENSOR CORD ASSEMBLY REPLACEMENT ***NIB***

RANCO K55L5099 05-37-2L 101061-02 THERMOSTAT ***NNB***

ITT CANNON MS3126F12-10PX CIRCULAR CABLE CONNECTOR SIZE 12 10 POS ***NIB***

CUTLER-HAMMER D26MPF/D26MPR FRONT + REAR RELAY POLE SET ***NIB***

EFECTOR PK6520 PRESSURE SENSOR PK-400-SFG14-HCPKG/US/ /W AA K26 ***NIB***

AMPHENOL 10-263975-123 CABLE CONNECTOR 10 POS ***NIB***

ITT CANNON 057-3007-000 END BELL ASSEMBLY KPTOOF-12 (LOT OF 2) ***NIB***

TPC WIRE & CABLE 97095 REV. C 9 POLE 6FT MALE/FEMALE SUPERTREX 16AWG CABLE *NIB*

HACH 43800-02 HACH ONE Ph METER ***XLNT***

ECA 60-1791 TWO-WAY ON/OFF TIME DELAY ***NIB***

SICK WT12L-2B530A01 PHOTOELECTRIC PROXIMITY SWITCH 5-PIN ***XLNT***

HI-TECH LTD MSU 63 POWER SUPPLY DRIVE CONTROLLER 115V 60Hz 10A 1100W ***XLNT***

HARTING H-A16BS 16POLE CONNECTORS MALE+FEMALE W/ LOCKING HOUSING (LOT OF 2) XLNT

SPRECHER SCHUH 22.113.105-06 CSI-No.6 CONTACT ***NNB***

ALLEN BRADLEY 2113B-BDBD-7FA2F2G-21-98X 750-3841CA MOTOR CONTROL 480V 50HP XLNT*

ALLEN BRADLEY 2113B-DDBD-7FA2K-21-47CA-98X-750 MOTOR CONTROL 480V 50HP *XLNT*

ALLEN BRADLEY 2113B-BDBD-7FA2G2F-21-98X-750-4139CA MOTOR CONTROL 480V 10HP XLNT*

SENNCO SOLUTIONS B55B3B5F-40-003E CORDWINDER 5 W/SECURITY SCREW (BOX OF 90)*NIB*

ALLEN BRADLEY 2113B-BDBD-7FA2F2F-21-98X-750-3939CA MOTOR CONTROL 480V 5HP *XLNT*

WIKA 0-15IN OF WATER GAUGE ***XLNT***

ALLEN BRADLEY L-536715 ENCLOSURE 480V 3 PHASE ***XLNT***

MULBERRY RS12/11402 4" SQUARE SURFACE COVER 1 DUPLEX (BOX OF 50) ***NIB***

HOFFMAN A-24N20BLP ENCLOSURE 20? X 24? X 8?   ***XLNT***

CUTLER HAMMER D120PM20 115VAC OUTPUT CARD ***XLNT***

SMC D-J79-50 AUTO-SWITCH ***NNB***

PHILIPS ECG-5679 3 MODE TRIAC 40A 600V ***NIB***

SIEMENS A5E00151017 RS485 NETWORK TERMINATOR ***NIB***

HARTING 19-30-010-0427/HAN 10B-HTE-M32 TOP ENTRY HOOD ***NIB***

TIME & PRECISION 0020-217-L701/1 STEPPER MOTOR ***XLNT***

PHOENIX CONTACT SK-14 SHIELD CONNECTION TERMINAL BLOCK ***NNB***

PHOENIX CONTACT SK-20 SHIELD CONNECTION TERMINAL BLOCK ***NNB***

TRANE COMPANY X13650453-10 REV S 96H033 STARTER MODULE **XLNT**

LITTLEFUSE LRU2621 FUSE REDUCER (BOX OF 2) ***NIB***

TRANE COMPANY X13650453-10 REV S 96H033 STARTER MODULE **XLNT**

LITTLEFUSE LRU2621 FUSE REDUCER (BOX OF 2) ***NIB***

SYNCHRON KB11LK-6 TIMER MOTOR 110V 60Hz 3W 1/12RPH ***XLNT***

BACO 23EA LAMP HOLDER MODULE 400V 2.6W (LOT OF 2) ***NIB***

LENZE 8600 33.8607-E AC DRIVE 400/460V 50/60HZ 16,5/22,7A ***NNB***

DYNEX 65532R-D05-115/HAC-10 DIRECTIONAL VALVE **XLNT**

ROSEMOUNT D1E5M5K1010 TEMPERATURE TRANSMITTER 50-250° F **XLNT**

SQUARE D 8536 TYPE S ENCLOSURE **NNB**

POWER SONIC PS-1270 F1/PS1270F1 RECHARGEABLE BATTERY 12V 7A (LOT OF 2) **XLNT**

SIEMENS SC17.2 6DD1684-OBH2 TD CABLE **NIB**

XENTEK XP30-250-3174 POWER SUPPLY ***XLNT***

SQUARE D 48086/8501-KU12V14 GENERAL PURPOSE RELAY 10A 24V DPDT ***NIB***

WARD LEONARD 200L4 COIL 550V 50/60Hz ***NIB***

SQ-1D2/ID3 HANDHELD INPUT DEVICE **XLNT**

NUMATICS 226-749B SOLENOID VALVE 24VDC .15A **NIB**

K.A. GROSS BV 23 703 KD 9 TRANSFORMER 1mH 4A **XLNT**

SPENNUBREYTAR TYPE 310 TRANSFORMER 25VA 24VDC 1A  **XLNT**

ALKON CORP. 500-68CB4968C-5 AIR VALVE 24VDC W/COILS 26A01039 24VDC **NIB**

 TURCK RKC 8T-15-RSC 8T/S90 EUROFAST UO942-71 MOLDED CORDSET ***NIB***

HARTING HAN Q5/0-M CONTACT INSERT (LOT OF 4) ***XLNT***

HONEYWELL 40FY26-33 MICRO SWITCH 200mA 10-30VDC **XLNT**

NORDSON ASYMTEK HS-01015/06-0115-00 TACTILE HEIGHT SENSOR ***XLNT***

HARAX M12X1 STRAIGHT 4-PIN CONNECTOR ***XLNT***

IOR IRKT105/16A 0405 4A99A THYRISTOR/DIODE MODULE **XLNT**

GENERAL ELECTRIC 188D710 CONTACTOR W/ 2 CR124 OVERLOAD RELAYS ***XLNT***

MASTER VACU-BREAK F-321 SAFETY SWITCH 30A 240VAC 3PH  **XLNT**

WESTINGHOUSE KS621K20 TRANSISTOR 200A 1000V ***NNB***

EUPEC TT 25 N 14 LOF-L2 3K8 POWERBLOCK ***NNB***

SEMIKRON SKIM5 SKIM455GD12T4DM1 MODULE **XLNT**

EUPEC DD 55 N 14 L 18K9 POWERBLOCK ***NNB***

SIEMENS 3TB44 17-0A CONTACTOR 42A 600VAC ***XLNT***

SMC D-A73 REED SWITCH (LOT OF 3) ***NNB***

LAERDAL 154-1491-PS/92-03-05 POWER SUPPLY FOR QUICK REPORTER-CHARGER ***XLNT***

EUPEC TT 56 N 14 KOF 2CN OHK POWERBLOCK ****XLNT****

AEG DD 55 N 1400 K 5C0 POWERBLOCK ****XLNT****

BANNER 28590 / OTBVP6QD MOMENTARY ACTION TOUCH BUTTON ***XLNT***

AEG DD 55 N 1400 K 4C8 POWERBLOCK ****XLNT****

SIEMENS A1-103-100-508-5192 SNUBBER PC BOARD ***XLNT***

AEG TT 18 N 1200 KOF 3B7 POWERBLOCK ***XLNT***

LITHONIA ELB0607 RECHARGEABLE BATTERY LEAD-ACID 6V 6.5A/H ***XLNT***

ELECTRONICS CORP 42MTB-5000 TERMINAL BASE 120VAC 50/60HZ 2VA  ***NIB***

MOLEX 847000001 ADAPTER RJ-45 ***NIB***

EMECANIQUE XCK-J IEC 337-1 NFC63-145 LIMIT SWITCH 10A 380V ***NNB***

AMPHENOL BCO 97-3108A-14S CONNECTORS (LOT OF 4) ***NIB***

MOLEX 847020005 RECEPTACLE RJ-45 PCB MOUNT ***NIB***

MOON CUTTER CO. 6X7/16 J97 STAGGERED TOOTH SAW **NNB**

PHD 18430-002-02 PROXIMITY SENSOR 4MM ROUND PNP SOURCE W/LED 2 METER ***NIB***

CUTLER HAMMER CH3100 CIRCUIT BREAKER 24VAC ***XLNT***

WEIDMULLER WDU 4 TERMINAL BLOCKS W/ WEW 35/2 END BRACKET (LOT OF 18) ***NNB***

BOSCH 7-782-324-005 ROTATING BEACON RKLE 110 24V 70W ***XLNT***

FESTO 525896 PROXIMITY SWITCH  ***XLNT***

SIGNAL TRANSFORMER PC-12-350 TRANSFORMER ***XLNT***

SHAWMUT AMP-TRAP A50P35 TYPE 4 FUSE 35A 500VAC FORM 101 (LOT OF 3) ****XLNT****

SDS NCR-OIA RELAY BOARD ***XLNT***

EUPEC TT 56 N 14 KOF 11D2 OHK POWERBLOCK ****XLNT****

AEG DD 55 N 1400 K 4D2 POWERBLOCK ****XLNT****

EUPEC TT-56-N-14-KOF 25D1 OHK  POWERBLOCK ****XLNT****

SIEMENS 3TF4422-0A CONTACTOR 42A 600V W/3TY7561-1A AUX CONTACT BLOCK **XLNT**

SIEMENS A1-103-100-508-1093 SNUBBER PC BOARD ****XLNT****

GE A1-106-010-001 TRANSFORMER ****NNB****