福建中立恒自动化设备有限公司

目前，世界上有200多个厂家生产可编程序控制器产品，厂家有德国的西门子，美国的Rockwell(AB)、通用(GE),日本的三菱、欧姆龙，法国的施耐德等。

可编程序控制器总的发展趋势是向高集成度、小体积、大容量、高速度、易使用、高性能方向发展。具体表现在以下几个方面：

(1)向小型化、专用化、低成本方向发展

20世纪80年代初，小型PLC在价格上还高于小系统用的继电器控制装置。随着微电子技术的发展，新型器件大幅度的提高功能和降低价格，使PLC结构更为紧凑，功能不断增加，将原来大、中型PLC才有的功能移植到小型PLC上，如模拟量处理、数据通讯和复杂的功能指令等，但价格不断下降，真正成为继电器控制系统的替代产品。

(2)向大容量，高速度方向发展

大型PLC采用多微处理器系统，有的采用32位微处理器，可同时进行多任务操作，处理速度提高，特别是增强了过程控制和数据处理的功能。另外，存储容量大大增加。

(3)与计算机联系密切

从功能上看，PLC不仅能完成逻辑运算，且计算机的复杂运算功能在PLC中也进一步得到利用，从结构上看，计算机的硬件和技术越来越多地应用到PLC；从语言上看，PLC己不再是单纯用梯形图语言，而且可用多种语言编程，如类似计算机汇编语言的语句表，甚至可直接由计算机语言编程；在通讯方面，PLC与计算机可直接相连并进行信息传递。

(4)发展多样化

可编程序控制器发展的多样化体现在3个方面：产品类型、编程语言和应用领域。

(5)模块化

PLC的扩展模块发展迅速。功能明确化、专用化的复杂功能由专门模块来完成。主机仅仅通过通讯设备向模块发布命令和测试状态，这使得PLC的系统功能进一步增强，控制系统设计进一步简化。

(6)网络与通讯能力增强

计算机与PLC之间以及各个PLC之间的联网和通讯的能力不断增强，使用工业网络可以有效地节省资源、降低成本、提高系统可靠性和灵活性，致使网络的应用有普遍化的趋势。

(7)多样化与标准化

生产PLC产品的各厂家都在大力度地开发自己的新产品，以求占据市场的更大份额。因此产品向多样化方向发展，出现了欧、美、日多种流派。与此同时，为了推动技术标准化的进程。一些国际性组织，如国际电工委员会(IEC)不断为PLC的发展制定一些新的标准，如对各种类型的产品作一定的归纳或定义，或对PLC未来的发展制定一种方向或框架。

(8)工业软件发展迅速

与可编程序控制器硬件技术的发展相适应，工业软件的发展非常迅速，它使系统应用更加简单易行，大大方便了PLC系统的开发人员和操作使用人员。

可编程序控制器的输出信号类型可以是开关量、模拟量和数字量。输出单元从广义上分包含两部分：一是与被控设备相连接的接口电路，另一部分是输出的映像寄存器。

PLC运行时CPU从输入映像寄存器读取输入信息并进行处理，将处理结果放到输出映像寄存器。输出映像寄存器由输出点相对应的触发器组成，输出接口电路将其由弱电控制信号转换成现场需要的强电信号输出，以驱动电磁阀、接触器、指示灯等被控设备的执行元件。

ATEN CS84U 4-Port PS/2-USB KVM Switch

Motorola FRN1492A 16 Digital Output Module

Motorola ES400 Handheld Mobile Device ES405B-0AE1

NetApp 111-00290A0 QLE2462-N-NAP NETWORK ADAPTER 2- Port 4Gb PCIe CARD

NetApp 110-00176B2 111-00708A3 512GB PCI-E Flash Cache Module

IBM NETAPP X287-R5 95P5066 95ST3300655SS 300GB 15K.5 SAS 3.5" HDD Hard Drive

 NetApp X90-412B-R6 108-00405A0 600GB 15K 3GB 3.5INCH SAS HDD

Lenovo Thinkpad Edge 63Y2138 15 Laptop Motherboard w/ 04W0337 Intel i5-460M

D SMLenovo Thinkpad Edge 63Y2138 15 Laptop Motherboard w/ 04W0337 Intel i5-460M

IBM 88Y6082 Intel Xeon CPU KIT E7-4830 8 CORE 24M 2.13GHZ

IBM Lenovo 03T7289 System Board W8.1P Intel Q87 VPR M93 Planar for MT 10A3 10A9

Intel DH55TC E70932-302 MicroATX Motherboard W/ i3-540

Nortel NTTP61AAE6 1000Base-T , WMOTBKRJAB, ABCU-5710RZ-NT2 SFP

THORLABS CP06/M 30 mm Cage Plate with Ø1" Double Bore, M4 Tap

Olympus A3295 Autoclave Fiber Optic Cable LOT- 36W-0180

D SMOlympus A3295 Autoclave Fiber Optic Cable LOT- 36W-0180

Olympus LCD PANEL UYPB89 DVO98600 FOR IMT-2 Microscope

RadioMeter 856-01 M00T504 Kit Piston Cylinder 25ML

Siemens LOGO Power 6EP1 321-1SH01 120-230VAC Power Supply

VScom USB-2COMi 2-PORT USB TO RS-422/485 CONVERTER

 MITSUBISHI NF50-SRU2005 5A 2 POLE 240VAC NO-FUSE CIRCUIT BREAKER

Omron E5L-A1 Temperature controller w/ Omron 2-M4X12 Relay Base

LOT OF 6 Molex 1200910010 N04MA03124 NC 4P M/M-ATTACH STR

FOSS 10009687 POTENTIOMETER KIT 15670091 POTENTIOMETER220K LIN 15470033

0 Finisar HFE4192-581 LC TOSA with attenuated optics, monitor phot

EMC Solutions Enabler Version 6.5 118032347 Factory  Revision A13

Shimadzu 228-13595A PCB BOARD mA Meter TRM-45 FOR Shimadzu LC-6A

GIGABYTE GA-H55M-D2H REV 1.3 MOTHERBOARD micro ATX LGA1156 Socket SUPPORT MAX

 GIGABYTE GA-H55M-D2H REV 1.3 MOTHERBOARD micro ATX LGA1156 Socket SUPPORT MAX

SANKEN 1H600H POWER SUPPLY FOR Konica Minolta INEO 454E / BIZHUB C454E

SAMSG SCC-131P NTSC/PAL DIGITAL COLOR CAMERA WITH LENS ROCKPINE CCTV 1:1.4 8MM

IBM ThinkPad T60 14.1" XGA TFT LCD Screen 42T0362 42T0363 Samsg LTN141XA-L01

HP COMPAQ 231666-001 LCD TOUCHSCREEN

ADVANCED INSTRUMENTS FL0911 POWER BOARD FOR ADVANCED FLM 200

etl cpl20l1p-4306 directional coupler 20db l-band 10mhz with cable cb-2014-00

ETL CPL20L1P-4306 DIRECTIONAL COUPLER 20DB L-BAND 10MHz WITH CABLE CB-2014-00

HP 412472-001 HP LCD Touch Panel Display

HP AC-063A 447325-001 454355-001 Switching Power Supply 750W

IBM Lenovo 42W2592 ThinkPad R60e 15" Laptop Motherboard w/ 41W1409 T5500

IBM Lenovo Thinkpad T440 04X0435 14.0" WXGA Laptop LED LCD Screen

Konica Minolta A5AYK10501 A5AYH005 Board FOR INEO 454E / BIZHUB C454E

LOT OF 12 HEWLETT PACKARD 5959-0288 Grip Probe Micrograbber

MAGNON 1:3.5-4.5 28-75mm 8400085 lens

 HP INDIGO ECP-6107-00 CAP MOTOR R  STR 10UF 4 50V 50-60 Hz 30x69.5

 Nortel NTMN675270 REL 04 M3900 SeriesPhDSS Key Expansion Module

AVAYA 1408 1408D02A-003 Digital PhBlack 700469851

FUJITSU 520-415-506 FTS HIGH SPEED USB MODULE

Allen Bradley 194E-E80-1753 600V 80A Load Switch w/ 194E-E80-NP

HP E91964 340 RG1-0710 300DPI Controller PCB Assembly

AU-Optronics G150XG03 V.3 15 inch Industrial LCD XGA screen

NetLogic NLS205JYGV/RA01 100-126082-0000 CARD

EMERSON LPS203-M Power Supply

HP Indigo MPT-0899-02 END CAP REAR AIR KNIFE

IBM Lenovo 04W0535 63Y1899 System Board Motherboard

IBM Lenovo Genuine 41W1487 System Board for ThinkPad Laptop T61

D SMIBM Lenovo Genuine 41W1487 System Board for ThinkPad Laptop T61

Symbol Zebra BT-CS1-0BR Bluetooth Connect TO CS4070 Barcode Scanner

IBM 04X4450 256G M2 2280 SATA6G TOS Opal For Thinkpad X1 / X1 Carbon

iversal Microwave 850WR62010 REV 05 AN-0166-0 Adapter #2

STMOTAIN PHOENIX Speaker MICROPHw/ ADAPTER

iversal Microwave 850WR62010 REV 05 AN-0166-0 Adapter

Waveguide Solution RA18-2898 Adapter

TDK-Lambda DPP120-48-1 48V DC 115/230VAC Power Supply

TDK LAMBDA HWS30-24/A Power Supply

DVTEL DVT-7701DA SECURELINK VIDEO SOLUTIONS DECODER POWER OVER ETHERNET

Extron IPL T S1 8 MEG 33-1328-07 REV: C 33-1381-01 B With Power Supply

CHEROKEE INTERNATIONAL QF62A1 4A REV A A0672664 AC/DC POWER SUPPLY

HSG40-32G 11261-D 40W Power Supply Board

HAMAMATSU HC120-32 PMT Detector FOR Beckman Coulter CYTOMICS FC500

RKC REX-F7 Digital Temperature Controller

Rosemot 23860-01 REV:H 33692-00 REV:C BOARD FOR Rosemot Model 54e

Lot of kit cables Spirent 620-5000-003 04-000082 04-000083 04-000106

HASP4 M4 1.5 Parallel Hardware Security Dongle (Bruker AXS Software)

Sapphire HD 5450 1GB Radeon Silent Video Graphics Card 299-2E127-230SA

Atop SE5001-S2 101SE5001S2001G 1-Port Serial Device Servers, supporting

HAHN TAP TRANSFORMER BV UI 396 0103 2x115v 2x15v 2x15va

ATI RAGE XL 102-G0101-00 SVGA GRAPHICS AGP CARD

S 370-5129-03 /50 370-5183-03 /50 SCSI Backplane 68pol 80pin Sfire

WIELAND WIPOS P1 24-10 81.000.6140.0 / 8100061400 24VDC 10A 1PH 240W PWR SUPPLY

 Rack Ears Moting Kit For Check Point

IKO LSGAF25 233505226 Bearing Assy Spline

LECO 609-059 P165-30A-D4B E3000-015 Pressure

 Asia Pte Bansbach D1D1-56-050-160-003

CROUZET 70546281 Cooling Fan 115VAC 50/60HZ 0.65/0.54A

IAR J-LINK FOR ARM PROCESSORS J-LINK-ARM VER:5.4

Alltech Dynatech Precision Sampling 9084 1ML PS GAS SYRINGE A A-2 C D 690170 511

Intel NUC D34010WYB Motherboard Intel Core i3-4010U SR16Q CPUPROCESSOR

Microtest 2947-4009-01 COAX/UTP MicroScanner Pro Network Cable Tester

YK-B144T Control Microscope Led illuminator

Western Digital 4061-705038-003 Controller Board for My Book Network

HP 813971-501 15-AF Laptop Motherboard CPU A8-7410 LA-C781P

NoiseKen EI-031 BOARD PCB FOR EPS-3000 EMC Precision Scan

NoiseKen EI-023CA AC INPUT POWER BOARD FOR EPS-3000 EMC Precision Scan

Hitachi SCQ3 HDS 3290632-A VSP Gx00 SAS Cable 3m

Nikon COOLPIX P510 16.1MP 42x Zoom Digital Camera w/ 2GB

Artesyn NPS44-M 15V 4A power supply (Look at the pictures)

BOE HYDIS HT12X21-210 12.1" 1024*768 LCD DISPLAY PANEL

JS Elo PCBW22100004 Rev:A1.2 Touchscreen Controller

Vendtronics P/N:250xx SilabsVending Machine Main Control Board

Emulex LPE111-E FC1110406-14B 4GB Single Port Fibre Channel SMB PCIe CARD

SHARP 10.4" LQ104V1DG61 640X480 4:3 600:1 a-Si TFT-LCD LCM

Sony MPF520-1 1.44MB 3.5 FLOPPY DISK DRIVE

SHIMADZU 221-32618 PCB POWR BOARD

SHIMADZU 206-88213B 206-88212 12XAMP Board

SHIMADZU RF53-ALPHA-EMC 206-85315 206-85317 Board

 EMC 005050349 900GB 10K 2.5'' SAS 118033034-02 HGST Hard Drive

SYNTRON SD-20403 Servo Driver

A300B PCB BOARD 20-563-006 REV:A FOR LAMBDA EMI ESS POWER SUPPLY 00481414

TDK- Lambda U2Y009P EFE-300 Power Supply

MSI B85M-E45 LGA 1150 DDR3 Motherboard USB 3.0 CPU-G3250

Fortinet FortiGate-60D FG-60D Firewall Security Appliance w/ ADAPTER  CABLE

Lenovo 00FP652 Mellanox ConnectX-3 Pro ML2 2x40GbE/FDR VPI Adapter 00FP651

Zultys 90-05718 BRA-1: 1 x Basic Rate ISDN S/T Circuit, 2 channels (MX30)

Elditest GE 1500 Series GE-1521 Oscilloscope Probe

Zultys 90-05715 Single T1/ E1/PRI, PCM interface 10 Channels Max (MX30)

Lenovo 69Y1941 44T1371 Flex System FC3172 2-port 8Gb FC Adapter

ALTERA USB BLASTER P06-18025R-00 REV. C

Siig MVGA-AVGA3 Video Card GPU

CRUCIAL CT32M32E4M6.16SG 128MB Simm Non Parity EDO Memory 253-00035-00

Mellanox CX456M MCX456M-ECAT Dual-Port ConnectX-4 EDR 100GBE  

Dell H6944 HV02T Dj 20GB Digital Juke MP3 Player

HP Agilent 03325-66526 REV A 3325B Synthesizer / Fction Generator Board

Netapp X66211A-05 Cable,QSFP28-QSFP28, 30AWG Cu 0.5m

NetApp X66030A MiniSAS HD to MIniSAS HD CU 0.5m

Mellanox CX4431D MCX4431D-GCAN ConnectX-4 Single-Port QSFP Ethernet Network

NOVA 510-40511-00 Ver:1B For NovaScan 3060 Integrated Metrology

Texas Instruments TPS60500EVM-193 PCB EVAL MOD

Lenovo 00KC940 Operator Information Panel 00FK469

Panduit FZURLENENANM010 10M Fiber MTP-MTP OM4 Duplex Patch Cord 14123203K

Mellanox MCP7F00-A02AR 4X25Gbe 2.5M 28AWG Direct Attach Cable

IBM Mellanox 95Y3469 5m Firbre Channel Cable

SuperMicro SATA-S6K REV:1.0 Backplane Board