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。

Mettler Toledo KC 150602 Pcb Circuit Board

Tektronix 670-1735-02 Pcb Circuit Board

Vacuum Technology V-G-CV-0055 Torrcon Iii Pcb Circuit Board Rev 2.5

Honeywell 46190308-001 Relay Pcb Circuit Board Rev B

Cendac 63060063 Pcb Circuit Board

Arcas 3020-0087 Zero Crossing Temp Controller Pcb Board

Kohler 295-462R Timing Pcb Board

Daniel DE7864 Pcb Circuit Board Rev A

General Electric Ge 947D396G2 947D397-0 24v Rly Ccwo/p Pcb Circuit Board

His LM0040B PC0010B Pcb Circuit Board

Honeywell PX3650ITBC1 Pcb Circuit Board Rev D

Honeywell PX3650IDAA3 Pcb Circuit Board Rev B

Honeywell PX3600AERA1 Pcb Circuit Board Rev C

PX3650ISTR5 Pcb Circuit Board Rev F

Honeywell PX3650IEDJ3 Pcb Circuit Board Rev C

General Electric Ge PX3650ILDA1 Pcb Circuit Board Rev B

General Electric Ge PX3650ITMA1 Pcb Circuit Board Rev B

PX3650ISIR5 Pcb Circuit Board Rev F

PX3600AOTA1 Pcb Circuit Board Rev B

Honeywell PX3650ITIC1 Pcb Circuit Board Rev E

General Electric Ge PX1000RSDB5 Pcb Circuit Board Rev A

PX3650ITTC1 Pcb Circuit Board Rev E

General Electric Ge PX1000NSTB5 Pcb Circuit Board Rev B

General Electric Ge PX1000RPLD5 Pcb Circuit Board Rev B

General Electric Ge PX1000NSTC5 Pcb Circuit Board Rev C

PX1000RTSB5 Pcb Circuit Board Rev B

Ris AN1117CG-4 Pcb Circuit Board

Tyco ACET405-1-1 Pcb Circuit Board

Fanuc A20B-2900-0310 Pcb Circuit Board

Extended 1 Year Warranty

308342 Pcb Circuit Board Rev G-3c1c

Hardy 0342 Pcb Circuit Board Rev B

Westinghouse 8205D32G02 Pcb Circuit Board

Forney 317013-01 AFS-10X-02 Pcb Circuit Board Rev E

Fanuc A20B-2000-0411/06A I/o Module Link Pcb Board

Validyne CI381 Pcb Circuit Board

Rfl HB-79505 Vero Pcb Circuit Board

Eberline 10523-01 EECUL10V Pcb Circuit Board

021-032-0L 140-112-0H Channel Select Pcb Board

Ge Fanuc IC600BF910K Pcb Circuit Board

Foxboro 2AI-T2V Converter Module Pcb

Liquid Solids Control 725408 Pcb Circuit Board Rev C

Liquid Solids Control C725404 Pcb Circuit Board

Nwl D25189 P24190 Pcb Circuit Board

Reliance 0-51378-15 Pcb Circuit Board

Westinghouse 772B388G29 7381A01G03 Pcb Circuit Board Rev 38 Sub Z

501-1B Link Logic Mother Pcb Circuit Board

Hach 19126 FS19125-3 Pcb Circuit Board

Eberline 11543-D02F SP28H Pcb Circuit Board

Leeds Northrup 046402 Pcb Circuit Board Rev C1/c1

Abb NTMP01 Infi 90 Termination Unit Pcb Board

Texas Instruments 214103-0001 Data Module Pcb Circuit Board

Protectowire RM-2 Solenoid Release Pcb Circuit Board

Land Instruments 702-683/A Pcb Circuit Board

702-616B 702.617-B00678 Pcb Circuit Board

Acco 581-027-009 Datamaster Pcb Circuit Board

Acromag 1018-114D Pcb Circuit Board

24221C Potentiometer Pcb Circuit Board

Rosemount 3002208 Prc Controller Pcb Board

Leeds Northrup 445857 Pcb Circuit Board Rev E

Leeds Northrup 445857 Pcb Circuit Board Rev C

Stock 1-Z10708 Pcb Circuit Board

Acromag 1018-111B Pcb Circuit Board

001-743-5D Power Supply Pcb Circuit Board

Rosemount Analytical 3D39514 Pcb Circuit Board Rev 3

Veltron 20821000 Pcb Circuit Board Rev B

Ametek MPC-09001-012 91MB04E-1 Panalarm Pcb Circuit Board

021-127 140-224-0B Optically Coupled Tca Pcb Circuit Board

Winchester 61-600173-02 9022 WD1003V-MM3 F002 Pcb Circuit Board

2.295 Pcb Circuit Board Assembly Rev A

Leeds Northrup 445850 Pcb Circuit Board

445290 Pcb Circuit Board Rev C

33110-02 Pcb Circuit Board Assembly

Digital 70-16646-01F 20ma Adaptor Pcb Circuit Board

Digital 70-16059-00A Pcb Circuit Board

586K9852 Phase Lead Pcb Circuit Board

34421715 339070 4600/A/8 LDV-1 Pcb Circuit Board

Hewlett Packard Hp 12043-60001 Pcb Circuit Board

Thermo Electron 102340-00 I Series Pcb Circuit Board Rev B

Eberline 11543-D02F SP28G Pcb Circuit Board

3616921-00 3171281-00 Pcb Circuit Board

Videojet 351660-M Driver Pcb Circuit Board

Foxboro 3C8-C3D Controller Pcb Circuit Board

Gai-tronics 17008-001 69651-50 Pcb Circuit Board1 Rev B

Nachi UM116C Pcb Circuit Board

1  Nachi UM116C Pcb Circuit Board

Diamond Power 319104-1031 Initial Turn-on Pcb Circuit Board

Ncs 1B358E006-6 Alarm Relay Pcb Circuit Board

Measurex 05326700 Honeywell Pcb Circuit Board Rev A

Allen Bradley 1772-LI Processor Control Pcb Circuit Board

Dell 316736100004-R01 Pcb Circuit Board

Gutor 0P0010 21411-5 Pcb Circuit Board

Sms FAB 0006386 Pcb Circuit Board Rev A

Apc 640-4122F Pcb Circuit Board Rev 07

Agc D-6448-100A Pcb Circuit Board

Racon 10021-103-04 Pcb Circuit Board Rev E

NotifieP5-MPCA Pcb Circuit Board Rev E

Bonitron 3438C2D3 Pcb Circuit Board

Hardy 0534-0235 Pcb Circuit Board Rev B

Hardy 2295A03-881 Pcb Circuit Board

Acromag 421-80604-3 HH-040-N Pcb Circuit Board 117v-ac

Texas Instruments 214103-1G Data Module Pcb Circuit Board

Eberline 11325-C01A Pcb Circuit Board

03003880 Amplifier Pcb Circuit Board Rev A

N024222C TC8406 Pcb Circuit Board

Westinghouse 1721E43H23 Pcb Circuit Board Rev 7

Eberline 11325-C01B Pcb Circuit Board

Leeds Northrup 046304 Pcb Circuit Board Rev C

4000-1446 Pcb Circuit Boardb Rev 005

Rona96-10210B-2 Pcb Circuit Board

General Electric Ge 181A3944G1 Pcb Circuit Board

Liquid Solids Control 1022403 PC3 Pcb Circuit Board Rev B

Liquid Solids Control 1022401 PC1 Pcb Circuit Board Rev B

Liquid Solids Control 1022403 Pcb Circuit Board Rev B

Liquid Solids Control 1022401 Pcb Circuit Board Rev B

Eaton 15-1095-1 Pcb Circuit Board Rev D

Yaskawa JANCU-MTU01 Pcb Circuit Board Rev E0

Yaskawa JANCU-MTU01 Pcb Circuit Board Rev E00

Charmilles 852432 If Mac V1 Pcb Circuit Board

General Electric Ge 193B1249AAG1 Pcb Circuit Board Rev 10

Danaher LAR131364-H Pcb Circuit Board

Eberline 11325-C01E Pcb Circuit Board

70B112 70C44 Pcb Circuit Board

Forney REL-35B1 39595 Pcb Circuit Board

Herfurth CNT2 Pcb Circuit Board

Red Lion ATB30000 Accessory Board Pcb

Westronics MC-100040-01A Board Range Card Pcb Circuit Board 0-1200f

Advantech PCA-6106P3-0C1 1902610655 Rev C1 Pcb Circuit Board

Ashcroft 208-050-03 Pressure Transducer Pcb Circuit Board

Quatech DS-225 Io Card Pcb Circuit Board

Dell CN-0GM819-13740-8CS-00CZ Pcb Circuit Board

Siemens R15-02-301 Pcb Circuit Board

Honeywell L123118 Pcb Circuit Board

Senstar C6BA1103-002 Pcb Circuit Board

Ttm Technologies PN-472032 Pcb Circuit Board

Flakt V4535365 Power Board Pcb

Yaskawa JUSP-WSCA15AA Pcb Circuit Board Rev C

Toyoda PDN4 TP-2295-0 Pcb Circuit Board

Eaton EA144205-1 Pcb Circuit Board

Thermo Environmental 42P309 Pcb Circuit Board

Frigidaire UL1-KC73/Y-F2.D.2.1.1-1 Pcb Circuit Board

Measurex 05289400 Pcb Circuit Board Rev B

Western Digital 60-600003-02 WD1002A-WX1 Pcb Circuit Board

Graco 249179 Flow Control Board Pcb

Capital Controls A-1550 Pcb Circuit Board Rev 1

Capital Controls A-1560 Pcb Circuit Board Rev 4

Capital Controls A-1550 Pcb Circuit Board Rev 4

Rfl HC-95053 Pcb Circuit Board

N/a TA-100KR-X Pcb Circuit Board

Mean Well 9000430 PT-65-R15VAI Power Supply Pcb Rev B

Sti STI-2280-1 166210-0004 Pcb Circuit Board

Icore Acurex 070-18351-A2 Pcb Circuit Board

Westinghouse 2344D01G02 Pcb Circuit Board Rev 7

Forry 150183 Processor Power Supply Pcb Circuit Board Rev C

Xyz Technologies CS08 Pcb Circuit Board Rev 12a

Honeywell 30756682-501 Pcb Circuit Board

Gems 152840 Pcb Circuit Board Rev C

Mitsubishi BN624A550G52A FW131A Pcb Circuit Board

Ircon 50038-9A Pcb Circuit Board

Kent Taylor P105M-0153 Pcb Circuit Board

Lsi 98000066 PC2653 Pcb Circuit Board Rev B

Bonitron 3460V2A46 Pcb Circuit Board

Bonitron 3460X4A1 Pcb Circuit Board

Power Circuits FS75SB Pcb Circuit Board

3618171-01(A) Pcb Circuit Board

1C043223 Pcb Circuit Board Assembly

Transmation A28432 Pcb Circuit Board

Arvin Diamond 10021-103-04 Pcb Circuit Board Rev E

9224-01 Pcb Circuit Board Rev C

Nwl D25108-03 Feedback Board Pcb

Leeds Northrup L8008C 445189 Pcb Circuit Board Rev A5

Ronan SS2190-A Pcb Circuit Board

Nwl D25640-01 Gate Driver Assembly Pcb

Yaskawa JUSP-WSCD-30AA Pcb Circuit Board Rev B11

Lithonia EMEPD00023 Pcb Circuit Board Rev G