IC697MDL253 IC697MDL253IC697MDL253 IC697MDL253
可編程控制器類型
4.1按控制規(guī)模分
控制規(guī)模主要指控制開關(guān)量的入、出點數(shù)及控制模擬量的模入、模出,或兩者兼而有之(閉路系統(tǒng))的路數(shù)。但主要以開關(guān)量計。模擬量的路數(shù)可折算成開關(guān)量的點,大致一路相當(dāng)于8~16點。
依這個點數(shù),PLC大致可分為微型機、小型機、中型機及大型機、超大型機。
微型機控制點僅幾十點,如德維森公司的V80系列PLC本體從16點到40點,OMRON公司的CPM1A系列PLC,西門子的Logo僅10點。
小型機控制點可達100多點。如如德維森公司的V80系列PLC可擴展到256點,OMRON公司的C60P可達148點,CQM1達256點。德國西門子公司的S7-200機可達64點。
中型機控制點數(shù)可達近500點,以至于千點。如德維森公司的PPC11系列可擴展到1024點,OMRON公司C200H機普通配置zui多可達700多點,C200Ha機則可達1000多點。德國西門子公司的S7300機zui多可達512點。
大型機:控制點數(shù)一般在1000點以上。如如德維森公司的PPC22系列可擴展到2048點,OMRON公司的C1000H、CV1000,當(dāng)?shù)嘏渲每蛇_1024點。C2000H、CV2000當(dāng)?shù)嘏渲每蛇_2048點。
超大型機:控制點數(shù)可達萬點,以至于幾萬點。如美國GE公司的90-70機,其點數(shù)可達24000點,另外還可有8000路的模擬量。再如美國*康公司的PC-E984--785機,其開關(guān)量具總數(shù)為32k(32768),模擬量有2048路。西門子的SS-115U-CPU945,其開關(guān)量總點數(shù)可達8k,另外還可有512路模擬量。等等。
以上這種劃分是不嚴(yán)格的,只是大致的,目的是便于系統(tǒng)的配置及使用。
一般講,根據(jù)實際的I/O點數(shù),凡落在上述不同范圍者,選用相應(yīng)的機型,性能價格比必然要高;相反,肯定要差些。
自然,也有特殊情況。如控制點數(shù)不是非常之多,不是非用大型機不可,但因大型機的特殊控制單元多,可進行熱備配置,因而采用了大型機。
手機
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鄭娟萍
廈門仲鑫航自動化設(shè)備有限公司
4.2按結(jié)構(gòu)劃分
PLC可分為箱體式及模塊式兩大類。微型機、小型機多為箱體式的,但從發(fā)展趨勢看,小型機也逐漸發(fā)展成模塊式的了。如OMRON公司,原來小型機都是箱體式,現(xiàn)在的CQM1則為模塊式的。
箱體的PLC把電源、CPU、內(nèi)存、I/O系統(tǒng)都集成在一個小箱體內(nèi)。一個主機箱體就是一臺完整的PLC,就可用以實現(xiàn)控制。控制點數(shù)不符需要,可再接擴展箱體,由主箱體及若干擴展箱體組成較大的系統(tǒng),以實現(xiàn)對較多點數(shù)的控制。
模塊式的PLC是按功能分成若干模塊,如CPU模塊、輸入模塊、輸出模塊、電源模塊等等。大型機的模塊功能更單一一些,因而模塊的種類也相對多些。這也可說是趨勢。目前一些中型機,其模塊的功能也趨于單一,種類也在增鄉(xiāng)。如同樣OMRON公司C20系列PLC,H機的CPU單元就含有電源,而Ha機則把電源分出,有單獨的電源模塊。
模塊功能更單一、品種更多,可便于系統(tǒng)配置,使PLC更能物盡其用,達到更高的使用效益。
Belt, Timing, 3mm, 233279064
Speedaire 2Z766C Air Line Filter Separator
A&N Corporation, KF-25 4 Way Vacuum Foreline Tee
MKS HPS LPV1-40-AK-CNVS Right Angle, vacuum isolation valve, KF40, 399033
MKS Baratron Pressure Switch 41A, 100 Torr, New
KF40 Vacuum Bellow NW-40
Wasp Bar Code Quick Scan 6000, used
MKS HPS LPV40AK Right Angle, vacuum isolation valve, KF40,, FF350
KF 40 weldment flange KF40
EDWARDS VACUUM PV25MKS ST/ST PNEUMATIC ISOLATION VALVE
TYLAN GENERAL CDL-11S06 0-10 T0RR RANGE, 0-10 VDC, used
2 KF 25 Vacuum Bellow
KF25 Weldment
MDC Isolation valve, Edward Isolation valve, used
2 Eye Pieces
6 inch aluminum clamp ring flange
MKS HPS CVNL-K1-NCZZ-F12, Compact Vacuum Valve, NW25, Stainless Steel
Lot of 2 PH266L-33-A1, 2 phase stepper motor 1.8 degree
NorCal right angle valve 3870-01256 used
NEW CTI 8116041G001 Cryo on board 8" cryo pump, CTI 8113100G001 on board module
Pfeiffer Turbo pump TMH 071 P and Turbo Controller TC 750-E74, TMH071P
2 NEW KF 40 CENTERING RING, SEAL 211-992
2 MKS HPS HPS 152-0040K ISOLATION VALVE, USED
KF 40 6" long extension tube, Stainless KF40
KF 40 3" long extension tube , Stainless KF40
MKS Right Angle Manual Vacuum Valve KF-25, PV1-25-AK-MNVN,
100001419 KIT, Bellows Assy, NW40
Mechanical Cartridge Tester 120 Controller
Aluminum Vacuum Chamber 40358-01 18"x18"x6 with Mott Diffuser
Rorze Sensor Mate RS Model, looks New
CTI cryo helium line 24 foot 8043081G120
USED HUNTINGTION ISOLATION VALVE PV-150-SF
Charles water, static survayor
1 KF 40 Bellows 3.5 in long.
Torqueleader Minimate Torque driver .7-32oz/in
1 KF 40 Bellows 4.0 in long. Heavy bellows
Omron L44 4 pole 24 VAC relay
Belt, Drive, F8225 010-0010
Ethernet interface board 5026293 BM29964R.D
Rear Upper Cross Piece 7580, Lot of 4
Richmond Static Control, Ionization Controller.
Reliance Motion Control E19-3, Electrocraft Servo Motor
Edwards, KF25 3/8" Oring Compression Reducer, Adapter
KF40 Vacuum Elbow, QF40, WW40
NOR CAL Product 050127-22 Isolation valve, looks very clean
CTI 8115236G001 On Board Retrofit Interface
Granville Phillips 354003-YG, Novellus 63-268625-00, Micro Ion 354, 013572-101
Keyence Fiber Photoelectric Sensor FS2-60
TWO MKS HPS 325 MODUCELL VCR connection VACUUM GAUGE
KF-40 Vacuum Foreline Tee Extended
KF50 to KF40 Reducer Adapter
Nor-Cal Products CSVP-1502-CF vacuum isolation
APTech AP 1006SV 2PW MV4 MV4
3 Novellus 22-169086-00, material white perlast G70H
Edwards KF40-1/4" VCR Adapter Flange
AMAT 3880-01085 Washer BLVL .3750D x .1901D
KF40 Vacuum Bellow NW-40, IM12234
MKS CV16-RMRM-NCVV-T12 ANGLE VALVE, 399038
MDC, KF40 Isolation Valve KAV-150-P-10
New KF50 KF16 Reducer Adapter
MKS CV16-RMRM-NCVV-T12 ANGLE VALVE
Varian L6280301 Right Angle Bellows NW-16-H/O, KF16
Veriflo 06-0434R-703 Nupvo Valve 945AOPLPNCSFS MM2.3,22-054334-00
VAT 24424-KA24-BCZ1/0073 vacuum isolation valve right angle
KF 50 T Vacuum Piping foreline, T NW50 connector, NW-50
MKS 99F1526 Vaccuum valve
MKS baratron stem valve assembly 839-013515-001-B
MDC, KF40 Isolation Valve KAV-150-P
AMAT 0242-23671 KIT, DPS-11 Foreline, Heated
KF50 to KF25 Reducer Adapter
KF 40 2" long extension tube , Stainless KF40
Millipore gas filter C6NM7391
Vacuum foreline KF40 flange, 5 inch, KF-40
MKS in line isolation valve 99C1491, Conflat, Jalapeno LPV,
AMAT, Contactor Motor Relay 1270-00037
MKS 252C-1-VPO exhaust vavle controller, used
MKS Instruments HPS Division 162-0040K Inline Pneumatic Valve
MKS Instruments UHV-40-ACC-EAVM Manual Angle Valve, 399851
MKS Spectra, LM70 Microvision plus, MKS RGA
Beckman BM84546, Model# 451
AMAT 0020-30329 SCREW 2-30056500-452
Accufiber Optical Fiber Thermometer Model 310
NEW IN BOX PRECISION SENSORS, VACUM SWITCH PV48W-85
KF40 Vacuum Foreline Tee
AMAT 3870-02742 MDC KAV-100 Angle Valve Manual Operated Isolation valve 05-65577
TYLAN GENERAL MDVX-100BS01, MOTOR DRIVEN THROTTLE VALVE, VEXTA PH265-02, 399799
Weslan systems interface box MEA00103-PVC AMAT 0190-70075
Markson 7452 Colorimeter Used
BOC EDWARDS Active gauge controller, AIM-S-NW25, and cables
Varian L9281-301 NW-16-A/O, KF16 valve
KF 50 x KF 40 reducer KF50 x KF40
KF16 90 Degree Aluminum Vacuum Foreline Elbow
Millipore gas filter C7DM7778
AMAT 0150-16016 Cable assembly. EMO Heat exchanger
Novellus 60-032895-00, Isolation valve MDC 313004-1000
NEW LESKER ASA1100X00 BLANK OFF, 8 HOLE , 11 INCH