描述

P0917HD

可编程序控制器的英文为ProgrammableController，在二十世纪70-80年代一直简称为PC。由于到90年代，个人计算机发展起来，也简称为PC;加之可编程序的概念所涵盖的范围太大，所以美国AB公司首次将可编程序控制器定名为可编程序逻辑控制器(PLC-ProgrammableLogicController)，为了方便，仍简称PLC为可编程序控制器。有人把可编程序控制器组成的系统称为PCS可编程序控制系统，强调可编程序控制器生产厂商向人们提供的已是完整的系统了。

1968年美国GM(通用汽车)公司提出取代继电器控制装置的要求，第二年美国数字公司研制出了第一代可编程序控制器，满足了GM公司装配线的要求。随着集成电路技术和计算机技术的发展，现在已有第五代PLC产品了。

在以改变几何形状和机械性能为特征的制造工业和以物理变化和化学变化将原料转化成产品为特征的过程工业中，除了以连续量为主的反馈控制外，特别在制造工业中存在了大量的开关量为主的开环的顺序控制，它按照逻辑条件进行顺序动作号按照时序动作;另外还有与顺序、时序无关的按照逻辑关系进行连锁保护动作的控制;以及大量的开关量、脉冲量、计时、计数器、模拟量的越限报警等状态量为主的—离散量的数据采集监视。由于这些控制和监视的要求，所以PLC发展成了取代继电器线路和进行顺序控制为主的产品。在多年的生产实践中，逐渐形成了PLC、DCS与IPC三足鼎立之势，还有其它的单回路智能式调节器等在市场上占一定的百分比。

在80年代至90年代中期，是PLC发展最快的时期，年增长率一直保持为30~40%。由于PLC机联系处理模拟能力和网络方面功能的进步，挤占了一部分DCS的市场(过程控制)并逐渐垄断了污水处理等行业，但是由于工业PC(IPC)的出现，特别是近年来现场总线技术的发展，IPC和FCS也挤占了一部分PLC市场，所以近年来PLC增长速度，总的说是渐缓。目前全世界有200多厂家生产300多品种PLC产品，主要应用在汽车(23%)、粮食加工(16.4%)、化学/制药(14.6%)、金属/矿山(11.5%)、纸浆/造纸(11.3%)等行业。

产品承诺：
保证全新原装进口,
保证安全准时发货，
保证售后服务质量，
优势价格，大量现货。

主营DCS系统配件
机器人系统配件
大型伺服系统配件
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ILX Lightwave LDC-3916 16 calibrated 3916376 & 3916558

ILX Lightwave LDC-3916 Laser Diode Controller+3916334

ILX Lightwave LDC-3916 16Channel Laser Diode Controller

ILX Lightwave LDX-36018-35

ILX Lightwave LDX-36010-35

ILX Lightwave LDC-3900 Laser Diode Controller+ ModuLe

ILX Lightwave LDC-3916

ILX Lightwave FOS-79710

ILX Lightwave LDT-5980

ILX Lightwave LDX-3690

ILX Lightwave LDP-3840B

ILX Lightwave LDX-3680

ILX Lightwave FOS-79800E/315C1

ILX Lightwave FOS-79800E/315L1

ILX Lightwave FOS-79800E/R

ILX Lightwave FOM-7900B

ILX Lightwave LDC-3722B. Laser Diode Controller

ILX Lightwave LDX3620 Ultra Low-Noise Current Source

ILX Lightwave OMM-6810B Optical Multimeter *Warranty

ILX Lightwave MPS-8035 Dual Channel Fiber Optic Sources

ILX Lightwave LDX-3650

ILX Lightwave LDC-3752 6A laser driver/ 16W Temp Cont.

ILX LIGHTWAVE LDX3232 HI COMPLIANCE LASER DIODE CURRENT

ILX Lightwave LDX-3220

ILX Lightwave LDC3742 Laser Diode Controller, 2 / 4A Cu

ILX Lightwave FPM-8200

ILX Lightwave LCM-39437

ILX Lightwave LDC-3900 Laser Diode Controller

ILX Lightwave LCM-39440

ILX Lightwave LDT5910B Thermoelectric Temperature Contr

ILX LIGHTWAVE MPS-8033 DFB Precision Fiber Optic

ILX Lightwave LCM-39800

ILX LIGHTWAVE MPS-8024 1310 1550 FIBER OPTIC SOURCE DFB

ILX Lightwave LCM-39420

ILX Lightwave LCM-39427

ILX Lightwave LCM-39425

ILX Lightwave LDC-3916372

ILX Lightwave LDC-3916332

ILX Lightwave LDX-3620 Ultra Low Noise Current Source

ILX Lightwave LDD/TEC 3916376 Combo Module fr LDC 3916

ILX Lightwave FOS79800-315-1547.5 nm Precision Fiber Op

ILX Lightwave FOS79800-315-1556.2 nm Precision Fiber Op

ILX Lightwave FOS79800D-000-1312.00 nm Precision Fiber

ILX Lightwave FOS79800D-000 Laser Source Module 1536,23

ILX Lightwave FOS79800-315-1550.6 nm Precision Fiber Op

ILX Lightwave FOS79800D-000-1534.25 nm Precision Fiber

ILX Lightwave FOS79800D-000-1550.12 nm Precision Fiber

ILX Lightwave LDX3412 Precision Current Source

ILX Lightwave LDC3916332 500mA Dual Current Source Lase

ILX Lightwave 3 Amp current TEC Module 3916558 LDC 3916

ILX Lightwave Laser Diode driver LDD 3916334 LDC 3916

ILX LIGHTWAVE LDC-3752 LASER DIODE CONTROLLER / REPAIR

ILX Lightwave LCM39425 Combination Module (500 mA Curre

ILX Lightwave LDC3916376 1.5A Current Source / 9W Laser

ILX Lightwave FOM-7900B Test System *Warranty

ILX Lightwave LPA-9072 Laser Diode

ILX Lightwave LDT5910 Thermoelectric Temperature Contro

ILX Lightwave LDC-3916338

ILX Lightwave LDC-3916558

ILX Lightwave TCM-39034

ILX Lightwave LCM39437 Current Source & TE Controller M

ILX Lightwave LDC3916372 0.5A Current Source / 9W Laser

ILX Lightwave LDX3207B Precision Current Source, 200mA

ILX Lightwave LDC-3916332 Module, Dual Current Source

ILX Lightwave LDC3916338 3A Current Source Laser Diode

79800B FIBER OPTIC SOURCE ILX LIGHTWAVE

ILX Lightwave TCM39032 32 W TEC Module

ILX LIGHTWAVE ILX LCM-39437 CURRENT TEC MODULE LDC-3900

ILX LIGHTWAVE CSM 39800 CURRENT SOURCE MODULE LDC-3900

ILX lightwave LDX-3525 precision current source

ILX Lightwave LDX3207 Precision Current Source, 200mA

ILX LIGHTWAVE CSM 39400 CURRENT SOURCE MODULE LDC-3900

ILX Lightwave LDT-5412

ILX Lightwave MPS 8033 Precision Fiber Optic Source 850

ILX Lightwave CSM39100 Current Source Module, 1000mA

ILX Lightwave LDC3916374 1A Current Source / 9W Laser D

ILX Lightwave LCM-39427, LCM39427 Current Source/TE Con

ILX Lightwave OMH-6727 InGaAs Power/WaveHead *Wty

ILX Lightwave TCM-39032 32W TE Controller

ILX Lightwave LDX-3412 Precision Current Source,LDX3412

ILX Lightwave FOS-79800D/R

ILX Lightwave 3 Amp current TEC Module 3916558 LDC 3916

ILX Lightwave OMH6708B -50 to +20dBm InGaAs Power Head

ILX Lightwave CSM39010 100mA Current Source Module

ILX Lightwave CSM39020 200 mA Current Source Module

ILX Lightwave CSM39050 500 mA Current Source Module

ILX Lightwave Precision Fiber Optic Source MPS-8033

ILX Lightwave 79800D Precision Fiber Optic Source

ILX Lightwave MPS-8012 1550nm LED Fiber Optic Sources

ILX Lightwave CSM-39020

ILX Lightwave CSM-39100

ILX Lightwave CSM-39010

ILX Lightwave CSM-39050

ILX Lightwave CSM-39050 Current Source Module

ILX Lightwave Combination Module LCM-39427

ILX Lightwave LDT-5100

ILX Lightwave PDA6424 Photodiode Amplifier

ILX Lightwave LDM4984 Laser Diode Mount 14-pin Butterfl

LOT THORLABS ILX LIGHTWAVE LASER OPTICAL DETECTOR HEADS

ILX Lightwave LDM4970 Laser Diode Mount 14-pin Butterfl

ILX Lightwave LDM-4970 Laser Diode Mounts – Mint

ILX LIGHTWAVE LNF-320 Low Noise Filter

Brand NEW ILX LIGHTWAVE LNF-320 Low Noise CW Filter

ILX LIGHTWAVE LDT-5910 Instruction Manual, Original

ILX Lightwave FOS79800C 1554.13 nm DFB

ILX Lightwave FOS79800C 1309.30 nm laser source telecom

ILX Lightwave LCM-39420 Instruction Manual

P0917HD

描述

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