福建中立恒自动化设备有限公司
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。
以下链接皆有货
Indur RDN-1B-AL-4369 PLC Module
Indur RFL-1A-AL-4237A PLC Module
Indur RIP-1A-AL-4257 PLC Module
Indur RKR-1A-AL-4229 PLC Module
Indur RKS-1A-AL-4365 PLC Module
Indur RLM-1B-AL-4380 PLC Module
Indur RMP-1C-AL-4394 PLC Module
Indur RSA-1A-AL-4227 PLC Module
Indur RSY-1B-AL-4390 PLC Module
Industrial Device Corporation H3301 Controller 115VAC NO CONNECTORS
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Industrial Devices H3301 Electric Cylinder Control 115VAC 3A 60Hz.
Industrial Devices IM-LMT42 Servo Stepper Drive
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Intelligent Motion HD Micro Stepper Drive *Damage to Port*
Intelligent Motion HI2 Micro Stepper Drive MISSING ONE SCREW
Interaction Systems 710-0054 Operator Panel 12.1" Bostomatic Touch LCD AS IS
Interlink YSDK1500-4D 2HP 1755RPM 575V 56HZ Fr ODP 3PH 2.1FLA 60Hz
Intermec 2425 Trakker Hand-Held Terminal *Damaged Antenna/Missing Strap* AS IS
Intermec 2425 Trakker Hand-Held Terminal W/ Shock Doc *Missing Hand Strap*
Intermec 2425 Trakker Hand-Held Terminal With Shock Doc *Damaged Antenna* AS IS
Intermec 2425 Trakker Hand-Held Terminal With Shock Doc DVM-2400-P
Intermec 9154 Crossbar Controller
Intermec CN3 Handheld Computer w/Stand & Cables
Intermec CV60 Vehicle Mount Terminal 12VDC 4A AS IS
Intermec Sabre 1552C0004 Cordless Handheld Scanner
Intermec T2480A114506 T2480 Stationary Terminal
Intermec T2481A1145041 Stationary Data Collector 12V 750 mA
Intermec T2481B1145031 T2486 Stationary Terminal
International 677856C2 Water Pump With Seal
Interroll Q6283 Drum Motor 0.1HP 48FPM 110-115V 1ph 1.45-1.5A 10MFD 60Hz
Interroll Q6283 Motor .10HP 48FPM 110-115V 1Ph 1.45-1.50A 60Hz 10.59" EL
Intertek IN-0210-6-BZ GetInLight LED Under Cabinet Light 120V 60Hz 24W 4' L
Interweigh Systems 1S1-99 Panel for Floor Scale 1000kg Capacity
Interworld 930-1004-09F PC Board NOP
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Intronics Analog Devices 460J IC V/F & F/V Convertor 13-18V 8-Pin
Intronics DCW24/5/3000 DC/DC Converter 5.0DCV
Invensys AC Induction Motor .18kW/.25HP 1710RPM 333/575V 3Ph SHELF WEAR NOP
Invertek Drives ODE-22030-USA Optidrive 0-250V 10.5A 3Phase 3HP 0-500HZ AS IS
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I-O DATA HDM-OP160 DEDICATED REPLACEMENT HARD DISK UNIT
IPC 05P00041-0757 Braking Dynamic Resistor 75ohms 780W
Ipex 027658 ABS DWV Test Plate 3" 100-Pack
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IPH G010N604.B01 TACHO UNIT 1653531-9 P-NET INTERFACE KONGSBERG 1653531-9
iQvalves 202616-B4-GT Proportional Valve With Amplifier
IRD Mechanalysis Model 890 Machinery Maintenance Data Collector AS IS
Iron Man Right Angle Gear Reducer 4:1 Ratio 511in-lb 3.63HP@1750RPM NOP
ISB ISO-3.18-STD Light Curtain Controller 120VAC 60Hz
ISB MX-2 PC Board w/ Transformer
ISB Sola Basic Ballast E-MIAJDDZ400-ID2 NIB
ISGEV 0.15-0.6kW 1500-6000RPM 95-380V 71B4 TEFC 3Ph 3.2A 50-200Hz
ISM KOREA WHLP-1-1-1 CONVERTER
Ismet 797/03/7 Toroidal Transformer Type RU .22KVA Pri.220V Sec.220V 1A
IST BG-36-W-06-PP-0060-1-3-30-V098 Encoder 8-30V 50mA
ITALFARAD PFC8 Power Factor Controller, 8-Steps
Itaya Engineering SCD-5 Statistical Process Control
ITC RL6-CL1-24 LED Cluster Bulb White BA15D 24VAC/DC *10-PACK*
ITE BOS14351-C Fusible Busway Switch 30A 600VAC 3P MISSING ARM
ITE BOS14352 Fusible Bus Plug 575VAC 60A 3P LOCK CLIP BROKEN
ITE BOS14352-C Fusible Bus Plug 600VAC 60A 3P
ITE BOS-14352-C Fusible Switch 600Vac 60A 3P 50Hp BROKEN HANDLE AS IS
ITE EQ-B370 Circuit Breaker 70A 240VAC 3 Pole
ITE ET1569 Circuit Breaker 100A 240V 2P
ITE FK322N Disconnect Switch 60A 240VAC 3P 3Ph 15HP
ITE FK362 Fusible Disconnect Switch w/Rusted Top 60A 600VAC 50HP 3P
ITE FK362N Heavy Duty Fusible Disconnect Switch 60A 600V 3P 3Ph 50HP
ITE MC5M Current Transformer 5-60KV
ITE NFK362 Disconnect Switch w/Bent Switch 60A 600VAC 3P 3Ph 50HP
ITE Siemens EF3-B015 Circuit Breaker 600VV 15A 3P CHIPPED CASE
ITE Siemens EF3-B020 Circuit Breaker 600V 20A 3P CHIPPED CASE
ITORK ITS311 ACTUATOR VALVE POSITION INDICATOR
I-TORK ITS311 ACTUATOR VALVE POSITION INDICATOR
ITT 015-0000-963-000 S/N 9211078-001 Valve 1-1/2 Inch
ITT 130P11C3 ADJUSTABLE PRESSURE SWITCH
ITT Engineered Valves 33225 Cam-Tite Ball Valve Seat Kit 1.5"
ITT Engineered Valves 33227 Cam-Tite Ball Valve Seat Kit 3"
ITT Engineered Valves 33228 Cam-Tite Ball Valve Seat Kit 4"
ITT Engineered Valves 700000355 Cam-Tite Ball Valve Seat Kit 3" Graphite
ITT General Controls K3A462T Aluminum Gas Shutoff Valve 1" NPT 120VAC
ITT K3A672S Solenoid Gas Valve 1-1/4"NPT 110/120V 50/60Hz .252A 17.5W
ITT NEO DYN 225P1C3BRW-607 PRESSURE SWITCH
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