PLC的应用面广、功能强大、使用方便,已经成为当代工业自动化的主要装置,在工业生产的所有领域得到了广泛的使用,在其他领域(例如民用和家庭自动化)的应用也得到了迅速的发展。
国际电工委员会(IEC)在1985年的PLC标准草案第3稿中,对PLC作了如下定义:“可编程序控制器是一种数字运算操作的电子系统,专为在工业环境下应用而设计。它采用可编程序的存储器,用来在其内部存储执行逻辑运算、顺序控制、定时、计数和算术运算等操作的指令,并通过数字式、模拟式的输入和输出,控制各种类型的机械或生产过程。可编程序控制器及其有关设备,都应按易于使工业控制系统形成一个整体,易于扩充其功能的原则设计。”从上述定义可以看出,PLC是一种用程序来改变控制功能的工业控制计算机,除了能完成各种各样的控制功能外,还有与其他计算机通信联网的功能。
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Dart Controls
520-200C-38 DC Drive, 240VAC Input, 0-180VDC Current, 200VDC Field
DASH 4 CUP
PREMIUM JUICER JB001CM
Data Instruments
3LC-BXWQDH Detector 3 Safety Light Curtain Detector w/o Key
Data Instruments
3LC-BXWQDH Detector 3 Safety Light Curtain Detector w/o Key
Data Logic
SRO-11 Slot Sensor 6' Cable
Data Translation
13537 13554 DT55-60 Video Card w/ D-Dub 15-Pin to BNC Cable
Data Translation
DT2858 06305 Rev. M Auxiliary Frame Processing Board 16-Bit ISA
Data Translation
DT2861-60HZ Rev. P Frame Grabber Card ISA 16-Bit
Data Translation
DT3153 Composite Color PCI Frame Grabber
DATADOMAIN 2*
INTEL XEON SLAG9 3 GHZ 16GB DDR2 ECC MEMORY DD500 X-DD500R-CHASSIS
Dataforth
DSCA30-02 Analog Voltage Input Signal Conditioner, Power: 15-30VDC
Dataforth
DSCA32-02 Analog Current Input Signal Conditioner 0mA-20mA-In 0-10V
Dataforth
DSCA38-05 Isolated Strain Gauge Input Module, Supply: 19-29VDC
Datal
DMS-40PC-1-RS 4-1/2 Digit Digital Panel Voltmeter, 5V
DATALOGIC / PSC
POWERSCAN 7000 2D IMAGER BARCODE SCANNER
DATALOGIC 13*
REMOVABLE BATTERY PACK RBP-PM80 RBP-8000 POWERSCAN MOBILE SCANNER
DATALOGIC
DS8100A-2010 INDUSTRIAL FIXED BARCODE READER !
DATALOGIC DX8200
BARCODE SCANNER DX8200 UNATTENDED SCANNING SYSTEM
DATALOGIC
GRYPHON GBT4100-BK-BTK00 SB5283 BARCODE SCANNER
DATALOGIC
HANDHELD POWERSCAN M8300 CORDLESS LASER BARCODE SCANNER
Datamax O'Neil
H-6210 Thermal Label Printer 6.7" Label Width 240x320 Display
Datamax O'Neil
H-6210 Thermal Label Printer 6.7" Label Width w/ Roll Re-winder
Datamax O'Neil
H-6210 Thermal Label Printer 6.7" Label Width w/ Roll Re-winder
Datamax SW1
51-2285-00 Rev-K Power Supply, 115/250V 3A, 50/60Hz
Datcon 835-W
Pressure Switch, Connection: 1/8"-27 NPT, Pressure: 60psi
DAYKIN TF1001Q
TRANSFORMER MODULE W/ WIEGMANN N1C101006WW ENCLOSURE
Dayton 1XC96A AC
Inverter, 230V 8.4A 3PH IN, 230V 8A 3PH 0.5-120Hz OUT
Dayton 1Z837 DC
Motor, Voltage: 90VDC, 0.26A, 2500RPM, 1/4" Shaft w/ Flat
Dayton 3LE74
Axial Fan, 120x120mm, 230VAC, 3050RPM, 107CFM
Dayton 3M838
Unit Heater Motor, 1/3HP, 115VAC 4.3A, 1075RPM/2 Speed
Dayton 3N473F AC
Motor 208-220/440VAC 4.4/2.1A 3PH 3450RPM 1 1/2HP
Dayton 3N473G
Motor, 208-220/440V 3PH 3450/2850RPM 1.5HP 5/8"-OD G56C
Dayton 3VU69
Axial Fan 115VAC 3200 RPM 230mA 27W 239 CFM
Dayton 4A705
Solenoid Coil, 24V, 50/60Hz
Dayton 4A707
Solenoid w/ 1/2" NPT Brass Solenoid Valve 208-240VAC 17W
Dayton 4C550
Axial Fan With 2x 4YD87A Fan Covers, 115VAC 60/50Hz, 0.34A, 24W
Dayton 4WT39
Axial Fan 120mm 24VDC 3000 RPM 107 CFM w/ Filter
Dayton 4WT47A
Axial Fan With 4YD87A Fan Cover, 115VAC 60/50Hz, 0.18/0.21A 18/20W
Dayton 4WT49
Axial Fan, 120x120mm, 115VAC, 1750RPM, 55CFM
Dayton 4Z528 DC
Motor With Dart Controls MD10P Digital Closed Loop Speed Control
Dayton 5C094C
Direct Drive Blower Fan Motor 115VAC 3/4 hp 11.2 A 10 5/8"
Dayton 5X852-M
Relay Socket w/Potter & Brumfield KRPA-11AN-120 Relay
Dayton 6GPA9
Foot Switch, Voltage: 125/250VAC, 15A, 1/2 HP, Contact: SPDT-NO
Dayton 6K490BA
AC Motor, 115/230V, 1/3HP, 1725/1425RPM, CW/CCW, 48 Frame, 0.5"
Dayton 6K599B
Fan w/ Bracket 3450-RPM 115/230VAC 12/6A 1HP
Dayton 6KD74
Axial Fan 24VDC 260mA 6.2W 108CFM w/ Grill Covers & Filter
Dayton 6X153
Solid State Time Delay Relay, Delay on Release, 1.0-10Sec.
Dayton 6XH88
Industrial Motor, 208/230/460V, 3PH, 1/3HP, 1725RPM, 48 Frame, 0.5"
Dayton 6Z912
Permanent Magnet DC Gearmotor, 90VDC 0.36A, 1/40HP, 1/2" Shaft
Dayton 6Z913
Permanent Magnet DC Gearmotor, 90VDC 0.6A, 1/20HP, 1/2" Shaft
Dayton DC Motor
Speed Control 5X412D 90vdc 115vac Driver
Dayton Grainger
8T552 Special Motor 3000RPM 250VAC 115V 60Hz
DAYTON TIME
DELAY RELAY 120V OFF DELAY 1EGC2
Dell
00050273-12411-691 Motherboard with Raiser, RAM And Expanded Cache
Dell 0460E
Latitude System Board for Laptop *No Processor or RAM*
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