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。

KIA TURN 28L CNC LATHE TURRET ADJUSTMENT ALIGNMENT TOOL HER TOOLING

OKUMA CIRCUIT BOARD E4809-045-106-E  PIECES

NIDEC NEMICON ABSOLUTE ENCODER AMS-256GT 080-11 E3051-977-007 03-108

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FANUC PULSE CODER A860-0304-T111 2000P A-018515

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TOGI TOYOGIKEN BOARD TRAY PCFK-5H34-01Z 012 70729 PCK-A60  PIECES

HOWARD INDUSTRIES FAN 3-90-8201 1175-10-4311 50/60HZ 16W 5MHP ZP  PIECES

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1981 MATSUURA MC-500V CIRCUIT BOARD A7-1-40073-1B

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NSD ABSOCODER CORPORATION ENCODER VRE-P060SBA 12036990 EACH 1

AGIE 120 CIRCUIT BOARD VCB-01 C AGIE NR. 629793.1 VIDEO CONTROLLER CNC EDM

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CKD AIR FILTER REGULATOR L3000-10-C E3000-10-T D300 R3000-10-T MATSUURA RA-3FDC

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SIEMENS FLOPPY DRIVE 3-424-2128A01 FD-235HF 19307775-29 M12 3 531 4652A

MINEBEA MOTOR FAN A90L-0001-0446/R PT4720-0220W-B30R-S01 5"  EACH 1

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TOKIMEC VICKERS FLUI-TROL MINIATURE VALVE DG4M4-32A-20-M12-JA

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TAKAGI DENKI PT.N-DIS-F6T-03 TP-N17H-T 810242

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HERION TAIYO VALVE TYPE 0210 AC100V 50/60HZ SET  PIECES

CUTLER HAMMER CONTACTOR MODEL 6 NO. 9656ED56 CONACT NUMBER 804 MOTOR STARTER

TAIYO AIR FILTER REGULATOR ERV-08-4L 0.4MPA

GE INDUSTRIAL CIRCUIT BREAKER TEB132040 40 AMP 240VAC  PIECES

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2001 OKUMA ESV-3016 CNC MILL 341 058 200 0 REXROTH VALVE 3410582000

MAZAK INTEGREX 30 RADIATOR COOLING SYSTEM 200 CFM AC AXIAL FAN 2RTK7 115V DAYTON

2003 CHARMILLES ROBOFIL 690 EDM BOARD CT8121470- CT8121470 20856 2041A EACH 1

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HYDAI HIT-15S CNC SIEMENS BOARD 6FC51140 AA020AA0 6FC5114-0AA02-0AA0

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M-DISK GPU 960560G4A M6021-00477 6X86 PC-104 23-PB-F00-00 PC-104 BRIDGEPORT TC3G

MAHO MH800W CONTROL PANEL PCI 180230-010 104984-030 320402 M483510 104985-040

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PARKER VALVE P2LAZ591ESNDBB53 5/2 1/8 NPT 120AC P2FCB353 MATSUURA  PIECE

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YASKAWA SERVOPACK CPCR-MR- 052 G B DF6101495 REV.F C5G2 DRIVE

HYDAI BOSCH 0 810 091 455 081WV06P1V1012WS110/50-115/60D00 VALVE 1 837 001 255

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FUJI EXCELLENT POWER COOLANT PUMP VKP081J 250W 3-PHASE AS550066-1

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YASKAWA 3 PHASE BRAKE MOTOR TYPE EELIQ-5T 6204ZZ

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HITACHI SEIKI ELECTRIC DRAWING PARAMETERS 2676-0111 VA 5 VA65 CNC MILL F-S10

SMC VALVE VS7-8-FHG-D-3NMR CNC DC24V  PIECES

MORI SEIKI M-300A1 CNC MILL MAINTENANCE/INSTRUCTION MANUAL IM-M300A1-1E

CHARMILLES EDM CIRCUIT BOARD 20852 5461 8525460 8121120 B 8121120B

SMC VALVE NVFS2120-3DZ-02T  PIECES

MORI SEIKI SL1A SL1 CNC TOOLING BLOCK TOOL HER 0.62" 5/8"  PIECES

HITACHI FIBER OPTIC OPTICAL SHORT CABLE CA7103

FANUC CIRCUIT BOARD A16B-2202-0681/01A

YASKAWA CIRCUIT BOARD JANCD-FC210-1 DF8203852-D0  PIECES

DMG DECKEL MAHO DMU 60 P CNC MACHINE MANUAL PARTS CATALOG CONTROL ERROR LIST

YASKAWA CIRCUIT BOARD JANCD-FC001 DF8203872-A0 REV.A S17035-1-3 JZNC-IRK06M

FANUC BOARD A20B-0008-0032/01A

CKD VALVE 4KB149-C2 2618

NACHI VALVE SA-G01-C6-C1-31 810 F1138 C1

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MEROBEL CHARMILLES MOTOR T3 FAS T3FAS 585332 430000 BRAKE CLUTCH  PIECES

YASKAWA POWER BOARD ASM 702-042-01-00 REV.A KFS0014 AZRU-003 701-042-01-00 REV.A

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2001 FANUC ROBODRILL ALPHA A-T14IA 6" MOTOR FAN FANUC SPINDLE MOTOR NMB

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EPCOS CAPACITOR B43457-S0228-M2 01.02  PIECES

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