PLC的三大应用类型
如果按应用类型来划分,可编程序控制器的应用主要有以下三种:
(1)开关逻辑和顺序控制:这是可编程序控制器最基本的控制功能,在工业场合应用最广泛,可代替继电器控制系统。开关量逻辑控制不但能用于单台设备,而且可用于生产线上。
(2)过程控制:PLC通过模拟量I/O模块,可对温度、流量、压力等连续变化的模拟量进行控制。大中型PLC都具有PID闭环控制功能并已广泛地用于电力、化工、机械、冶金等行业。
(3)运动控制:PLC可应用于对直线运动或圆周运动的控制,如数控机床、机器人、金属加工、电梯控制等。
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VAT 26524-KA22-BWT1 PNEUMATIC HIGH VACUUM BELLOWS VALVE
VAT 29134-KA21-0001/0010 ANGLE VALVE WITH SOFT PUMP FUNCTION
VAT 6406-PE48-0007 SST CONTROL GATE VALVE MOTOR
VAT 641PM-16BC-0002/0934 PRESSURE CONTROLLER 225599 WITH 64PM.3I.00 SOFTWARE
VAT 98474-R1 VACUUM GATE VALVE SEAL KIT DN320/350 BONNET GATE SEALS
VAT COMVAT 0091-30121 VACUUM STAINLESS STEEL BELLOWS FOR ANGLE VALVE
VAT F64-114606 GATE VALVE F64-114606/2, 64244-PE52-1101, PWB AG, Type 85 587 R1
VAT INC VACUUM 650VM-64GT-ABV1 VM-6 VALVE POSITION CONTROLLER
VAT VACUUM 92554-R1 SEAL KIT FOR VATLOCK SERIES 012 MINI GATE VALVE
VAT VACUUM ANGLE VALVE SOLENOID VALVE
VAT VACUUM HV ANGLE VALVE 26428-KA21-0001 KF-25 NW25 FLANGE
VAT VACUUM STAINLESS STEEL CF 20-BOLT FLANGE 8" OD
VAT VACUUM VALVE 62032-GE28-0002/0013 A-232185
VAT VALVE 232565 POSITION INDICATOR COMPL SENSOR DB3 SNAP ACTION SWITCH
VAT VALVE 423239 POSITION INDICATOR FOR S264 DN40 VALVES W/ 4-PIN CONNECTOR
VAT VALVE F-60051-381 SOLENOID VALVE ANGLE VACUUM KF-40 NW40
VAT VALVE MKS HPS MANUAL VACUUM GATE VALVE ALUMINUM PUSH ROD 1" ID
VAT VALVE OPEN CLOSE SWITCH DB3 SNAP ACTION SWITCH POSITION INDICATOR FOR VALVE
VAT VALVE TO EDWARDS PUMP VACUUM FITTING STAINLESS STEEL NW100 TO NW160 90°
VAT VALVES 01234-KA24-AVU1 MINI GATE VALVE VATLOCK VACUUM GATE VALVE NW50
VAT VALVES 26524-KA12-BKS1 HIGH VACUUM INLINE VALVE WITH PNEUMATIC ACTUATOR
VAT VALVES 301825 KIT SOLENOID 5/2 WAY IMPULSE
VEAM CIR20TV-CME ELECTRICAL PLUG WITH GOLD PINS
VEECO LIGHT SOURCE 604-992 PC BOARD
VEECO SUMO CELL 227451 ASSEMBLY ASSY HEAT SHIELDING 750CC
VEECO SUMO CELL 228200 HEAT SHIELD ASSEMBLY ASSY ADJUST 4 T/C THERMOCOUPLE
VEECO SUMO CELL 228206 ASSY PORT KEY ASSEMBLY CRUCIBLE SUPPORT KEYED ADJ
VEECO SUMO CELL 228409 WELDT FEED THROUGH FEEDTHRU WELD MOLY 22-22P 90°
VEECO SUMO CELL 229649B WAFER COVER 6.2 X 1.57 X .035
VEECO SUMO CELL 230031 DISC PBN COVER 1.70 750CC WAFER COVER
VEECO SUMO CELL 230031A WAFER COVER 1.7/750CC
VEECO SUMO CELL 230032 HEAT SHIELD SHIELDING
VEECO SUMO CELL 230502 ASSEMBLY HEAT SHIELD PV-725/750CC 1.7CU
VEECO SUMO CELL 461475 SEALING FLANGE KIT FOR SELENIUM NOZZLE
VEECO SUMO EFFUSION CELL 205611 SIZE 400g Ta HEAT SHIELD PACK OSCILLATOR
VEECO SUMO EFFUSION CELL 228367 CRUCIBLE 725CC SUMO
VEECO SUMO EFFUSION CELL 228383 SHIELD DRIP PV 2.14" DIAMETER HEAD
VEECO SUMO EFFUSION CELL 228392 SHIELD PBN PV 2.14 DIAMETER
VEECO SUMO EFFUSION CELL 229725 ASSEMBLY ASSY HEAT SHIELD 750CC
VEECO SUMO EFFUSION CELL 230100A PBN CRUCIBLE 725CC 1.7"
VEEDER ROOT 746045-001 COUNTER 5 DIGIT
VELMEX MAXY4009W1-S4 MOTORIZED XY STAGE 5" X 5" TRAVEL 5.47" HEIGHT 30LBS SLIDE
VELTEK VAI SMA-CC1 VACUUM CONTROL CENTER 120VAC
VERIFLO 959100W4PFSMMMF STAINLESS STEEL HIGH PRESSURE REGULATOR
VERSA PRODUCTS ESM-3012-86-M5R-P-Z-120V60 SOLENOID DIRECTIONAL VALVE 0-75PSI
VERSA VALVES VGG-4422-PC-14-155-A120 SOLENOID VALVE
VERTEQ 108433Z1 MATCHING TRANSFORMER RATIO 1 TO 1.20 FREQUENCY 857
VERTEQ MC-006-04 FREQUENCY GENERATOR W/ ASSORTED CABLES
VERTEQ PROCESS SYSTEMS BUBBLER SWM800-C1-M2
VERTEQ STQD600-C1-MC6-PVDF MEGASONIC SUNBURST TURBO 120V 5A 50/60HZ
VEXTA BLD120A-MK BRUSHLESS DC MOTOR DRIVER
VEXTA BXM5120-GFH2 BRUSHLESS DC MOTOR WITH GFH5G20 GEARHEAD GEAR HEAD
VEXTA BXM5120-GFH2 BRUSHLESS DC MOTOR WITH GFH5G20 GEARHEAD GEAR HEAD
VEXTA C8413-9012K MOTORIZED CONVEYOR PARTS SHUTTLE 0369-100RN-4-SB-007
VEXTA EM569H-NA STEPPER MOTOR, 5-PHASE, 0.72° STEP
VEXTA ORIENTAL MOTOR 2 PHASE DRIVER CSD2120P
VEXTA ORIENTAL MOTOR UDX5107N 5 PHASE DRIVER
VEXTA ORIENTAL PMM33AH2 STEPPER MOTOR 0.72° DEGREE 0.75A
VEXTA PH544-NB-C2 5 PHASE STEPPING MOTOR W/ H-T DRIVE RP-11-500-5B-SPI
VICKERS DG5582CMWB20 DIRECTIONAL CONTROL VALVE REBUILT AND READY TO USE
VICKERS FLOW CONTROL VALVE DGMX2-5-PA-BH-B-30
VICKERS KTG4V-3-2B20N-Z-M-U-G7-60 STANDARD PERFORMANCE PROPORTIONAL VALVE
VICOR POWER SUPPLY MD5-1501
VICTOR MEDALIST HRF1425-580 LIGHT DUTY FLOW METER
VIDEO JET 356524-B MOTHER BOARD SS V4.01
VIDEO JET SP356038 CAP AND STEM ASSEMBLY REV. 1 SP355101
VIDEOJET 349731 BEACON LIGHT SAFETY LIGHT
VIDEOJET 355305-D EEC PRINTED CIRCUIT BOARD
VIDEOJET CRYDOM TD-2410 SOLID STATE RELAY SSR PANEL MOUNT 280VAC 32VDC 10A
VIDEOJET INK MODULE FOR EXCEL PRINTER
VIDEOJET MEDO AC0105-A1048-D2-0511 PRESSURE PUMP
VIDEOJET SP375061 / 04 PRINT HEAD PRINTHEAD ASSY
VIDEOJET TECHNOLOGIES 355351-J PC BOARD ASSEMBLY FOR EXCEL INK JET PRINTER
VIEGA 15538 COPPER TEE 2" X 2" X 1/2"
VIEGA 79115 BRONZE BALL VALVE 1 1/2" WITH HANDLE
VIEGA 79285 BRONZE ADAPTER P X MNPT 2" X 1-1/2" QTY OF 2
VIEGA 79430 BRONZE ADAPTER FTG X FNPT 1/2" X 1/2" BAG OF 12
VIEGA 85420 304 STAINLESS STEEL ELBOW 90DEG P X P 1-1/2"
VIEGA 85840 304 SS REDUCING TEE 1" X 1" X 1/2" PXPXFNPT
VIEGA 85890 304 SS REDUCING TEE 1-1/2" X 1-1/2" X 1/2" PXPXFNPT