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。

6ES5312-5CA22 | Siemens | Simatic S5 IM312-5, Interface Module,

773810 | Pilz |, I/O Expansion Module,

ABB IMDS003 Output Module Slave Digital PLC DCS Card,

3TH42 62-0BF4 | Siemens | Contactor Relay 62E EN 50 011 6 NO 2 NC,

474859 | Pilz | Emergency Stop Relay 240VAC 9VA 50/60Hz,

172PNN21022 | Schneider | Modicon | Momentum | Modbus Plus adaptor,

6SN1 123-1AA00-0BA0 | Siemens | Simodrive 611, Power Module, 1 Axis, 25A,

CX9001-0001 | Beckhoff | Power Supply, 24VDC, 4A, 7HW,

ASM1/2 | Leuze | Safety Monitor 24VDC 200mA,

1756-IH16ISOE | Allen Bradley | Digital Input Card, ,

1756-OW16I | Allen Bradley | ControlLogix, 16 Relay Outputs, ,

IC693MDL240 | GE Fanuc | Input Module, 16 Point, Discrete, ,

6SE6420-2UD13-7AA1 | Siemens | AC Drive, Micromaster 420, filtered,

CPM2A-60CDT1-D | Omron | CPU Module, 36 Inputs, 24 Outputs,

8345H3-120/60,110/50 | ASCO | Solenoid Valve, 110-120VAC,

773812 | Pilz |, Analog Input Module, 2 Inputs, 24VDC,

6ES7 972-0AA01-0XA0 | Siemens | Simatic DP, Repeater Module,

916B-RA | MAC | Solenoid Valve, 20-150PSI, High Frequency,

8UC7111-1BB10 | Siemens | Door Coupling Rotary Handle 3 Pole,

XPS-AS5140 | Telemecanique | Safety Relay, 1.5A, 24VAC/DC, 50/60Hz,

6DS1 603-8BA | Siemens | Teleperm M/ME Binary Output Card,

6GK7 342-5DA02-0XE0 | Siemens | Simatic S7-300, Commications Processor,

T1589N28TOF 71 20T1 | Eupec | Thyristor Module,

583.100.003 | Ferag | Conveyor Buffer Controller,

6GK1415-2AA00 | Siemens | Interface Link, Simatic Net, DP/AS,

3051CD1A02A1AH2B2Q4DF | Emerson | DP Transmitter -62-62mbar,

Yaskawa CIMR-XCAC40P4 VS Mini,

M20Z-02550A121 | Sick |, Sender/Receiver, 2 Beams,

1756-M14 | Allen Bradley | ControlLogix Logix5555 3Mb Mem, ,

1761-L10BWB | Allen Bradley | MicroLogix 1000 | Controller, ,

1747-SCNR | Allen Bradley | SLC 500, ControlNET, Scanner Module,

A20B-8001-0700 | Fanuc | RIO Interface Card, I/O Terminal Block,

1769-L30 | Allen Bradley | CompactLogix, 256KB Memory, ,

1784-PCM4 | Allen Bradley | Commication Cable, DH485-RJ45, 10FT, ,

X67BC8321-1 | BR Automation | Bus Controller, Powerlink, 0.5A, 24VDC,

102579-01 | Bently Nevada | Four Channel Monitor 2201 Monitoring System,

CE-65M | TR Electronic | Programmable Encoder ,

SK 3244.140 | Rittal | Filter Fan, 400/460VAC, 50/60Hz,

1794-OB8EP | Allen Bradley | Flex I/O, Digital Output Module, ,

3RT1035-3BB40 | Siemens | Power Contactor, 3 Pole, 24VDC, 6 KW, IP00,

195740 | Festo |, Fieldbus Node Module, 18-30VDC, 24VDC,

ATV31H075N4 | Telemecanique | Variable Speed Drive, 1HP, 0.75KW, 415V,

EH-ETH2 | Hitachi | Ethernet Module, 5VDC, 260mA, 10 MBPS,

6SN1118-0DM33-0AA1 | Siemens | Simodrive Digital Ctrl it,

6EP1 333-2BA00 | Siemens | Sitop, Power Supply, 1200VAC,

3RT1055-6AP36 | Siemens | Power Contactor, 150A, 75KW, 400VAC, 50-60Hz,

PHU-10 | Technotrans |, pH Converter,

6AV3 505-1FB00 | Siemens | Operator Panel, Simatic OP5/A1, 24VDC,

1784-PCMK | Allen Bradley | PCMCIA Card DH DH485, ,

PC00603-C | Danfoss | Pcb Circuit Board Module,

A406510 | MCB |, Analog Displacement Sensor,

32H8/VC/VH/RRRX/X/XXX/G/ENG/ENG | Eurotherm | Process Control ,

7CP770.60-1 | BR Automation | BR Automation, CPU Module, 100 KB Sram,

SBCE 46 K001 E00 | EAE | Fields Bus I/O Extension Module,

EX230-SDN1 | SMC | Devicenet Interface Card 5/16 IO SI it,

1792D-4BV4D | Allen Bradley | Devicenet, I/O Combination Block, ,

102577-01 | Bently Nevada | Four Channel Monitor 2201 ,

C40E-0303AN310 | Sick | Sick Optic Electronic,

3TK2828-1BB41 | Siemens | SIRIUS, Safety Relay ,

IBS-24BK-T | Phoenix Contact | Interbus Module, 24VDC, 1A,

F3XD32-3F | Yokogawa | DC Input Module, Sink/Source, 24VDC, 32 Points,

16-0076-12-02 | Berghof | CPU Control Board, Single Slot, 24V,

OSEI202Z0103 | Wenglor | Light Curtain, For Measuring Tasks, 2000mm,

6FX1115-0AA02 | Siemens | Interface Module, Sinumerik 3, Video 03811,

8708710000 | Weidmuller | Power Supply 3W 400-500VAC 1.7A,

773500 | Pilz |, Expansion Module, 2A, 24VDC,

170BDM34630 | Modicon | Momentum I/O Card 8xIn 8xOut,

BCSKKK05023 | Balluff | Capacitive Sensor, 10-30VDC,

2742748 | Phoenix Contact |, Terminal Block,

EH-CU | Hitachi | Coter Module 12/24VDC 32 Bit 2 Channel 100KHZ,

AP-5131-13041-WWR | Motorola | Dual Radio,  Package

960243 | Allen Bradley | PC Board, For 1771-NAO1 Drive, ,

341-0497-01 | Cisco Systems | Power Supply 100-240VAC,

IC200ALG230 | GE Fanuc | Analog Input Module, Versamax, 4 Channel, , Ser H

Moxa Vport D351 1 Channel Industrial Video Decoder,

8030 HOM-231 | Symax | Output Module, 8 Point, 240VAC, ,

Yokogawa AD5*D DCS,

L,

Yokogawa | ADV151-P00 S4 | Style S4, Digital Input Module, , S4

CQM1H-CPU21 | Omron | CPU Module 10mA 16 Point 24VDC,

IC600CB512 | GE Fanuc | Logic Module Expanded, Series Six , , Ser L

NE-2002-105-005 | Fanuc | Encoder Interface, PC Board, 5V, IE-E3505,

1761-L32BWA | Allen Bradley | MicroLogix 1000, 120/240VAC Power, ,

6GK7342-2AH01-0XA0 | Siemens | NET S7-300 Comms Processor,

MDW-45 LV | Westermo | Converter RS-232 to RS-22/485 12-48VDC 95mA,

CPX-FB6 | Festo |, FieldBus Node, For CPX Terminals, 50mA, IP65,

SCA APC 3000-40 CPU Servo Board,

6ES5465-3AA13 | Siemens | Analog Input Module, Non Isolated,

527.095.032 | Ferag | PC Board Assembly,

527.408.002 | Ferag | PC Board Assembly, EX 359.3,

1766-L32BWA | Allen Bradley | MicroLogix 1400, Controller, ,

1747-L542 | Allen Bradley | SLC 500, SLC5/04, CPU Controller, ,

6GK7443-5DX03-0XE0 | Siemens | Simatic S7-400 Processor Card,

1771-OBD | Allen Bradley | PLC-5, Digital Output Module, 16 Point, ,

1756-A7 | Allen Bradley | ControlLogix, Chassis, 7 Slot Rack, ,

6DS1 719-8AA | Siemens | PC Board, Teleperm, Binary Extension Module,

SB401-10 | Yokogawa | Interface Slave Module, ESB Bus , , S1

A1SJ71UC24-R4 | Mitsubishi | Commication Module RS-422/RS-485 it,

3RG6012-3AC00 | Siemens | Ultra Sonic Proximity Sensor,

1756-DNB | Allen Bradley | ControlLogix Bridge Scanner Card, ,

3RT1 045-1BB40 | Siemens | Contactor 80A 3 Pole 220-400VAC,

1SDA013833R1 | ABB |, UV Trip, 24VDC,

PCDAC12-4 | Arcom | PC Board Analog I/O Module 4 Channel,

6ED1 052-1MD00-0BA2 | Siemens | Logic Module with Display,

1606-XL240DR | Allen Bradley | Reddant Power Supply, ,

PP7024 | IFM Efector | Pressure Switch, 2 Digital Outputs,

AIP503 | Yokogawa | PLC V-NET Coupler Module, , S1

AG1-432-F | Reyrolle | Overcurrent Protection Relay, 24/30/48V,

16249-21-3 | Moore Products | MBUS ISA PCI Slot Card,

IC655MDL526 | GE Fanuc | Input Module, 32 Point, 115VAC, ,

6GK5602-0BA10-2AA3 | Siemens | NET Security Module, EtherNet Switch,

6ES7 151-3AA23-0AB0 | Siemens | Simatic S7 DP Interface Module ,

LV429406 | Schneider | MN dervoltage Release, Response Time: 50ms,

EE-6246-177-032 | Fanuc | Fiber Network Robotic Cable 108.6 Feet,

C30610-2136-0000 | Rosemot | Pressure Transmitter, Inline Manifold,

IFM PP7020 Pressure Sensor,

1732DS-IB8 | Allen Bradley | DeviceNet, Safety Input Module, ,

RP1 6-1 SK | ptetterpartner | Gear Reducer,

8540330000 | Weidmuller | 0-10V Signal Isolator,

16330 | Schneider | Modular Surge Arrester, 1 Pole  N,

6ES7 952-1KL00-0AA0 | Siemens | Simatic MC 952 Memory Card,

6644424A1 | ABB | Voltage Bus Monitor Assembly WE-DC-06-161,

CJ1W-INT01 | Omron | Input Interupt it, I/O Module,

KP200-XL | LTI | Operator Panel Keypad, For Drives, 4 Key,

KP200-XL | LUST | Operator Panel Keypad, For Drive, 4 Key,

BES-516-346-H2-C-S9 | Balluff | Inductive Proximity Sensor,

FX2N-32MT-ESS/UL | Mitsubishi | PLC Module, 16 Point, 100-240VAC, 30W,

700S-CF620DJC | Allen Bradley | Safety Control Relay, ,

BES 516-300-S135-S4-D | Balluff | BHS001L Inductive Sensor,

P2HZ/3-24VDC/1A/1R | Pilz | Safety Relay, 6A, 250VAC, 24VDC, 4W, 375VA, ,

S30861-Q500-X100-13 | Siemens | M:SMACV3,