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A1SJ71UC24-R2
A1SJ71UC24-R2
A1SJ71UC24-R2
一、摘要 PLC是一种专门在工业环境下应用而设计的数字运算操作的电子装置。
它采用可以编制程序的存储器,用来在其内部存储执行逻辑运算、顺序运算、计时、计数和算术运算等操作的指令,并能通过数字式或模拟式的输入和输出,控制各种类型的机械或生产过程。PLC及其有关的外围设备都应按照易于与工业控制系统形成一个整体,易于扩展其功能的原则而设计。在工业生产的各个领域,机械加工企业为了提高生产效率,采用机械化流水作业的方式,对不同类型的零件分别组成的自动生产线。随着产品机型的更新换代,生产线承担的加工对象也随之改变,这就需要改变控制程序,使生产线的机械设备按新的工艺过程运行,而继电接触器控制器系统是采用固定接线,很难适应这个要求。大型自动生产线的控制系统使用的继电器数量很多,随着PLC的应用日益普及,其使用方法简单,便于掌握,且可靠性,抗干扰性很强,自身具有完善的功能.模块化的结构,使其在工业生产线上的应用越来越广泛。
发展趋势:1.向高速度、大容量方向发展
为了提高PLC的处理能力,要求PLC具有的响应速度和更大的存储容量。目前,有的PLC的扫描速度可达0.1ms/k步左右。PLC的扫描速度已成为很重要的一个性能指标。
在存储容量方面,有的PLC可达几十兆字节。为了扩大存储容量,有的公司已使用了磁泡存储器或硬盘。
2.向超大型、超小型两个方向发展
当前中小型PLC比较多,为了适应市场的多种需要,今后PLC要向多品种方向发展,特别是向超大型和超小型两个方向发展。现已有I/O点数达14336点的超大型PLC,其使用32位微处理器,多CPU并行工作和大容量存储器,功能强。
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Numatics SH6-021 Hall Effect PNP Switch 6-24 VDC Cylinder SH6021
Numatics SPS075X926DX Linear Slide 3/4 " Bore 1 1/2" Stroke
Numatics SR6-024 Reed Switch 120 VDC/VAC Cylinder SR6024
Numatics VK10-02 Pneumatic Shut Off Lock Out Valve VK1002
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Numatics VS22-03 Pneumatic Shut Off Lock Out Valve 3/8 In NPT VS2203
Numatics VS32-04 Pneumatic Shut Off Lock Out Valve VS3204
Numatics VS32-06 Pneumatic Shut Off Lock Out Valve 3/4 In NPT VS3206
Numatics VT30N04Y Slo-Start Lockout 150 PSIG
Nutone Scovill 101-T Transformer 10 VA 16 V 58-M1 58M1 101T
Nutone Scovill 105-T Transformer 15 VA 16 V 105T
Oberdorfer Pumps C9941B2HC-M37 Coolant Pump C994 1B2HC-M37 C9941B2HCM37 C994H
Ogden K3A-03-006P-E1 155-500291-061 6 kW Heater 480 V K3A03006PE1 155500291061
Ogden MXEE03A3159 200 Watt 240 Volt Heating Element Immersible IMS 135900 073 HM
Ohio Gear Uniline 2000 B2133MQ56 Gear Box 0.48 HP 1750 RPM 15-8 Ratio
Ohio Semitronics PC5-006E AC Watt Transducer 0-600 VAC 0-5 Aac PC5006E
Ohmite L100J100 Power Resistor 100 Watt 100 Ohm (TB)
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OHP HCP-T 2191001019410 Circuit Board PCB OUHT 7461 G06 OUHT7461G06 HCPT
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Oilgear PVWW-45-RDFY-CNNNTH-CP Hydraulic Pump PVWW45RDFY PVWW45RDFYCNNNTHCP
OI-Panel 100G-OI1S2R1 Touch Screen HMI 100-250 V 100GOI1S2R1 011S2R1 0I1S2R1 AVG
Okaya SUP-E15H-EP Noise Filter SUPE15HEP (TSC)
Okaya SUP-E2H Noise Filter SUPE2H
OMEGA 2160A 115 VAC Digital Thermometer 2160A-02 2160A02
Omega 6100 6102 6132H-J-0/300F 120 VAC 5 Amp Temperature Control Relay
OMEGA CN1166-DC1 Temperature Process Controller CN1166DC1
Omega DP-F66 Digital Totalizer 110 VAC DPF66
Omega DPF701 Digital Totalizer Rate Meter Controller 115 VAC DPF-701
Omega IP411-020 Electropneumatic Transducer IP411020 IP411 020
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Omega OS137-1-MA Infrared Temperature Sensor Transmitter OS1371MA
Omega PSS-D12B Dual Power Supply +- 12 V PSSD12B
Omega PX-102 Electropneumatic Transducer PX102
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Omega SSR240AC10 90-280 VAC Input Solid State Relay
Omron 3G3MX-A4037 Sysdrive Inverter 5 Hp 3.7 kW 3 Phase 3G3MXA4037 3G3MX
Omron A22-01 Red Push Twist Button A2201
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Omron A22-10 2 Position Momentary Key Selector Switch A2210
Omron A22-10 A22-01 2 Position Momentary Key Selector Switch A2210 A2201
Omron A22-10 Black Momentary Push Button A2210
Omron A22-10 Selector Switch 2 Position Maintained A2210 A22-01 A2201
Omron A22-TN A22-10 A22-01 White Illuminated Push Button A22TN A2210 A2201
Omron A22-TN Green Illuminated Indicator Light Lamp A22TN
Omron A22-TN Red Illuminated Indicator Light Lamp A22TN
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Omron C200H-IA122 Input Unit 100-120 VAC 16 Point C200HIA122
Omron C200H-ID212 Input Unit 24 VDC 16 Point C200HID212
Omron C200H-OA222 Output Unit 100-240 VAC 12 Point C200HOA222 0A222
Omron C200H-OD212 Output Unit 24 VDC 16 Point C200HOD212 0D212
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Omron CPM1A-20EDT Sysmac In / Out Unit 24 VDC CPM1A20EDT CPM1A 20EDT
Omron CPM1A-30CDT1-D Sysmac Programmable Controller CPM1A30CDT1D (TSC)
Omron D4C-1601 Limit Switch 1 NC D4C1601 D4C1601
Omron D4C-1602 Limit Switch D4C1602
Omron D4DS-35FS Safety Interlock Switch D4DS35FS
Omron D4N-2131 Limit Switch D4N2131
Omron E2C-JC4DH Proximity Switch Amplifier 12-24 VDC E2CJC4DH