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。
Xianhui SH-MSD Fire Alarm Transmitter/Fire Alarm Broadcasting Starter
Saacke EN837-1 Pressure Gauge 4131358030 0-25 BAR/0-2.5 MPA
7410 Intrinsically Safe Switch for Lamp B/E 11591 U
Eugen Seitz 118.100.024N Solenoid Valve 24V DC -40C to 60C
BSB Safety Systems DV Rupture Disk A92172058--2
Parker 8V-P8K-SSV-PE Bellow Valve Manual Maximum 1250 PSIG 44900336-PE
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BS B DRV 4" Forward Acting Rupture Disk 6.00 PSI 280°C 316.NI.AL.316
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Selco M1000-24-10B Alarm Annciator 211097 2B04 24 Volt
Simrad 25005331 Numeric Special Fction Panel
Nabco KB-101-01 PCB Card 889 73735322
Guardian P006517 Keyboard Connector
Hilger U. Kern MR15 Desk Terminal Operator
Consilium C300 C310 Fire Detection System
Allen-bradley 1762-ir4, Micrologix 4 Ch Rtd/resistance Input Module
ABB Dsqc1032 Analog I/O Expansion Module
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ABB CP650 A0 1SAP550100R0001 Control Panel
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Panasonic Afpx-c30td Control it 24v 0.65a
Siemens Simatic S7 1P 6ES7 952-1KM00-0AA0 Memory Card 5V Flesh 4Mb
Panasonic Afpx-c60t Control it 100~240v~ 0.6a 50/60hz
Gccj-05-08 Digital Input Output Module
Bhel Ct370a Printed Circuit Board 692-03-yv1a
Smc Vnb304bs-f20a-x391 Process Valve
Netzler Dahlgren 12040-21 LLC 10LRS IP Alarm Display it
Smc Pb1013a-f01 Process Pump
Beckhoff BK9050 Ethernet TCP/IP Bus Coupler 24VDC
Siemens Simatic S7 1P 6ES7 960-1AA04-0XA0 Synchronization Module
Nabco Nps-106-881 Printed Circuit Board Nps-wb-15
Beckhoff EK1100 Ethercat Bus Coupler With Module EL9189
Beckhoff Kl9010 Bus End Terminal Kl9187
BS B DV 10" Rupture Disk 8 PSIG @ AMB, 7 PSIG @ 60°C 316SS/TEF/316SS
KEYENCE 7541391 Photoelectric Sensor 12-24V DC FS-V11P
Parker M05465148 Manual Control Valve W/ Check Valve(003393004)Pressure Gauge
KSB Etaline-GN 040-160/402 Pump With ABB Motor IP55 IEC 60034-1
Measurex 05375000 Comterm Backplane Rev B Pcb Circuit Board
Nor Control HER 100261 I Input/Output Processor Card SW15201-07
Zeal 131968002 CL 1.0 Temperature Alarm 0-100°C
DW1659 Printed Circuit Board Rev: A BN1661_B
OMICRON JE109020 Switch Board REV.1.02
Servomex EEXIA IIC 00325/000 Transducer 01158/901
83262-03-01 Stainless Steel Valve Seat U84122
Omicron 01-990106 Led Connection Board Revision TB 02
Fujikin 316 Stainless Steel 0.5 Micron Filter 100655/100855
Hg Fu E97252-H Interface Keyboard 9200-11182
MITSUBISHI ELECTRIC BC186A512G53 Printed Circuit Board Revision VER.A
Fujikin 316 0.5 Micron Filter 316 Stainless Steel 100655/100855
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SCHWEITZER ENGINEERING LABORATORIES 070-1523 Component SEL-9735L73 Rev C
Fujikin 0.5 316 Micron Filter 100655/100855
Gossen 60/1A Instrument 0-60A Spray Pump 0-60/120A Ampermeter
Gossen 600/1A Ammeter 600/1A Instrument 0-600A Cargo Pump
DANFOSS 160G0419 position indicator VPI Component 12 B GDM
Siemens 6ES7 407-0KA02-0AA0 Power Supply Simatic S7-400 AC/DC 10A
FUJIKIN 0.5 Micron Filter C.NO: 100655/100855
Siemens 6ES7 421-1BL01-0AA0 Digital Input Module 32XDC24V
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Siemens 6SE6440-2AB13-7AA1 Inverter Micromaster 440
EMERSON OVATION 5X00225G01 Power Module 250V 5A Revision 16
Measurex 05424600 SIB Terminal Board Rev.B
Loop Telecom CSU/DSU Series Standalone-E1500-2S 100-240VAC, 50/60HZ, 0.3A Max.
PepperlFuchs KFD2-CR-EX1.30-200 Transformer Isolated Repeater ATEX Certified
Dr. E. Horn EA 96X96.2 S Speed Indicator Instrument 0-10 Bar
Siemtech 6-BV2-04S-0-O3 Valve 316 Stainless Steel 3000PSI
Festo LR-D-7-O-MINI Pressure Regulator, , 16BAR Max, 1/4'' NPT"
Gossen PQS 1 S5 Analog Ammeter 0-10V Instrument
Micro-epsilon DT59(15)-D2F-M Sensor Indcdt 4308001.15
Fisher-Rosemot KJ4001X1-NA1 Dual Right Extender 12.6 VDC. 8 A
LR-D-7-O-MINI Pressure Regulator,16BAR Max, G1/4 Connection
SIEMENS 1P 6ES7 321-1BL00-0AA0 SIMATIC S7-300 Digital Input Module SM331
SIEMENS 1P 6ES7 321-1BL00-0AA0 SIMATIC S7-300 Digital Input Module SM331
IXYS MCC56-14IO8B Power Module MCC56-14I08B 546P
SIEMENS 6ES7 134-4GB52-0AB0 SIMATIC S7 Digital Input Module
Waters Valco 700006642 1/8'' V ion Fitting
Mikrosen O54-P212S Sensor 0316
Thyristor D.C. Motor Drive -12/12 V
Mikrosen O54-R216S Sensor 0116
Triton 15419 Control Air Diaphragm for Triton Systems
SMC VXJ1120-C8-5M0-1 Valve 0.1-0.8MPA DC 24V
Siemens Sinamics 1P 6SL3040-1MA00-0AA0 Control it CU320-2 DP
Siemtech 6-BL2-06S-0-O2 3/8 316SS Fittings 1000 PSI @ 100°F
Honeywell DPCB21010005 Rack Slot AO/RTD/ISO RTP IRTP500
Schmersal IFL 10-30L-11TP Sensor IP67 10-60VDC 400MA
Waters Xterra 186000656 Guard Column MS C18 5µM 3.0X20MM
Fisher-Rosemot KJ4001X1-NA1 Dual Right Extender 12P3373X042
Yokogawa UR1B DD Servo Actuator 200-230V 50-60Hz
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