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。
以下链接皆有货
BANNER OPBA2QD OMNI-BEAM SENSOR POWER BLOCK
BZERNX1 HONEYWELL MICROSWITCH BZE-RNX1 LIMIT SWITCH PLGER
2X SQUARE D 9001KM35 SER H AMBER PILOT LIGHT 24-28V AC-DC LAMP 757
FESTO 15709 SMEO-4-K-LED-220 PROXIMITY SWITCH SMEO4KLED220
IDEC ABFW210R S-0640-21000 RED STOP BUTTON HIGH COLLARS AUTOROLL
NIB SCHNEIDER 9001KS11B SER L 2POS BLK KNOB ELECTRIC ROTARY SWITCH
TRI CLOVER 216E-80-1AA CARBON PUMP SEAL 216E801AA -
DELCON IMSTR A413197 120VAC POTTER BRUMFIELD IAC-5
2X BRAD HARRISON 1A4000-34 MC 4P F-ATTCH STR PG13.5 1A400034 NIB
NTK5 50526 VISOLUX NTK5-50526/1301 V0 PROXIMITY SENSOR 12-30V FRE
CUTLER HAMMER 10250T/91000T RED NO/NC MOMENTARY PUSH BUTTON
APEM 2-KO 5632 SWITCH 5664-05632
1489A2D200 ALLEN BRADLEY 1489-A2D200 MINIATURE CIRCUIT BREAKER
NT2202613S VISOLUX NT2-2026-13-S PROXIMITY SWITCH 10-30V
SYRELEC DAXR TIMER 32VDC MULTIRANGE DIN RAIL MOT
2X FINDER RELAY 60.12.9.024.0000 10A-250V 24VDC 60.12.8.120 10A-250V 120VAC
4X DWL-G650 HYS64V16300GU-7.5-CHYMP512S64EP8-Y5 AB HYMP125S64CP8-Y5 AB-C
LOT OF 8 1379329 200800-1 200S00-1 200B00-1 ROTARY SWITCH
DLP100-24-1/EJ LAMBDA DLP100241EJ POWER SUPPLY SWITCH MODE 24VDC
NA 162400G-001L / 162400 REV G B 8 24V REGULATOR BOARD ID:M23786 A
FOR DIGITAL ISO 9280 /2815 PCB CIRCUIT BOARD ID: M23252
SYGNETRON 11C572-A / 11C572A PCB CIRCUIT BOARD ID: M231358
3X ABL SURSUM CIRCUIT BREAKER V-EA52-G6A V-EA52-G0.3A D3-2D3.0 240/415V
OMRON G9SA-301 / G9SA301 SAFETY RELAY IT 24VAC/DC ID:24X08EP-066 | 24X08EP-067
TELEMECANIQUE LC1D09 LRD08 RELAY CONTACTOR MODULE 230-690VAC SAME DAY
TELEMECANIQUE LC1D09 LRD08 RELAY CONTACTOR MODULE 230-690VAC SAME DAY
MOXA EDS-205 ETHERNET SWITCH 18-30VAC 12-48VDC S/N:TZHE01061000
DELL-STG WIRED MOUSE USB150M WIFI USB BLUE TOOTH 5.0 AND KEYBOARD COMBO
DELL NPS-305BB C COMPUTER POWER SUPPLY 110V 305W MAX
50PC EMT 1” HOLE STRAPS 1" SNAP-ON TYPE STEEL 61510
MMS-32H LS INDUSTRIAL SYSTEMS CO MANUAL MOTOR STATER LSIS
INDUSTRIAL MRO 10C244 SUPERVISED LINE CIRCUIT BOARD WITH BRACKET ID: M23334
85141 CALEX 8514-1 RELAY 1KHZ 10V DIN RAIL MOT
OFAST MED CORDSET 4POLE
BBL6020102 LEDTRONICS BBL602-01-02 BEACON LED 120VAC NL
NIB EATON CUTLER HAMMER 10250T201N RESISTOR TYPE OILTIGHT 120V
FANUC A20B-8001-0700/02B INTERFACE CARD ID: M23828
FOR PARTS GE 948D807 / 948D806-0 VALVE POSITIONING ID: M231155
ARO CHL6-024 CABLE FLUID POWER CHL6024 CONNECTOR 863743
LEEDS NORTHRUP 444383 PCB CIRCUIT BOARD ID: M231418
ZOOM 2949L FAX MODEM 56K DUAL MODE (TSC) DATA SWITCH
DAYTON 1XC72A TIME SWITCH
SQUARE D LP1K0610BD CONTACTOR WITH LA4KC1B RELAY
39515 BANNER ENGINEERING SM91EAN VALU-BEAM EMITTER FREQUENCY A
NIB SIEMENS 52PA2A2 SER F 2POS PUSH PULL OPERATOR METAL NO REDBUTTON
NIB SIEMENS 52PA2A2 SER F 2POS PUSH PULL OPERATOR METAL NO REDBUTTON
43PC EMT 1” HOLE STRAPS 1" SNAP-ON TYPE STEEL 61510
LOT 2 GE 227A240051 / CTG24280 ET-16 INDIC LAMP 120V 1900OHMS
ISHIDA P-5454 FUSE BOARD ASSEMBLY P5454 -
LEEDS NORTHRUP 445858 REV G PCB CIRCUIT BOARD ID: M231407
D1210 CRYDOM D1210 SOLID STATE RELAY CONTROL 10A 120VAC 1NO SPST 3-32VDC
RELIANCE O-52808 PC BOARD OLVA/CLVA/STATIC 0-52808 FOR PARTS
CLEVELAND AFS-405 MOTION CONTROL AFS405
SQUARE D 8005 DMU-1 SY/MAX I/O DUMMY IT
POTTER BRUMFIELD KH-5759-2 / KHU-11D12 RELAY 24VDC
82A-OA-BKA MAC VALVE 82A-0A-BKA MANIF VALVE BLOCK
2X GENERAL ELECTRIC CR72AXA11 AUXILIARY CONTACTOR 600VAC 5AMP
MLDS-124 GANDALF 7616Z3 ASYNCHRONOUS MINI LDS MLDS124
16 ETN BRASS 1/8” X 1/8” TUBE OD COMPRESSION CONNECTOR ION FTG
2X ALLEN BRADLEY 700-HA32A1-4 120VAC 700-HA32A1 120VAC RELAY W/ PLUG-IN BASE
FESTO SMEO-1-LED-24 PROXIMITY REED SWITCH 2AMP 24V SMEO1LED24
SKAN-A-MATI P361 PHOTOELECTRIC SENSOR 0483F 34
45C40 RELIANCE DUAL 115V AC-DC INPUT 802811-R
800FPKM2102R ALLEN BRADLEY 800FP-KM2102R 22MM SELECTOR SWITCH
SMC CQ2A32-10DCM CYLINDER COMPACT SHORT STROKE CQ2A3210DCM
SPRECHER SCHUH CRC 3 SURGE SUPPRESSOR CRC3 68 OHMS
REDINGTON SR26-4816 PANEL MOT COTER 6 FIGURE 115V-AC 3.5VA
2X ALLEN BRADLEY 700-N5 RELAY ACCESSORY SURGE SUPPRESSOR 150V
CLE8V4A150 SQUARE D CLE8-V4A150 0-150 AC VOLTS ANALOG VOLTMETER
EI1204NPOSL CARLO GAVAZZI EI1204NP0SL INDUCTIVE PROXIMITY SENSOR
2PCS ALLEN BRADLEY 1794-IB16 96145675 / 1794-OB16P 96268274 SAME
NIB SIM-K-WD-5 FESTO 15239 CABLE 90DEG SOCKET PLUG PROXIMITY SWITCH
SMC CDU20-50D PNEUMATIC CYLINDER 20MM BORE 50MM 8310-10650
MENCOM CORPORATION PROGRAMMING DEVICE UL TYPE 12 TYPE 4 TYPE 4X
OMRON MY2ZN 24VDC RELAY WITH BASE 2127W2
TURCK RS4T-2 Cord Set Cable RS4T2 ID Number U2088-0
Allen Bradley 700-CF400Z* Relay 100-C12*10 CONTACTOR
NIB HALEX HNF60R AIR CONDITIONER DISCONNECT 60 AMP 120/240V
NIB HALEX HNF60R AIR CONDITIONER DISCONNECT 60 AMP 120/240V
BANNER MULTI-BEAM MODEL F1 SCANNER BLOCK FIBER OPTIC CABLE
1321-3R2-A ALLEN BRADLEY 178865 LINE REACTOR 13213R2A 1/4HP 600V
NMB830GM85USFEV93 PEPPERLFUCHS NMB8-30GM85-US-FE-V93 INDUCTIVE
BRANDED 2050S7DR32B 993S85W29 TRANSFORMER
OMRON H3BF-N8 P2CF-08 05Y7YK TWIN TIMER 8 PIN TIMER AND SOCKET 220VAC 50-90HZ
FOR AMIRECPRO B-23944 REV 1 / B23944 PCB CIRCUIT BOARD ID: M231392
TRACOR WESTRONICS WI009688-03 / WI032597-00 / WI032596-00 / WI019166-01
TARGUS ACP51US USB 2.0 LAPTOP DOCKING STATION WITH VIDEO ADAPTER
LS METASOL MC-18b 3POLE CONTACTOR 18A 690VAC MT-32 THERMAL OVERLOAD RELAY
CMS SYSTEMS INF-QRM REV 2A PCB CIRCUIT BOARD M23388
HONEYWELL MPD1 DIFF SCANNING HEAD 9645
NIB 26665 BANNER LM3 LOGIC MODULE MULTI BEAM POWER BLOCK SAME DAY
100-MO5NZ3 ALLEN BRADLEY 100-MO5NZ*3 CONTRACTOR 500V 20A 24VDC
MENCOM MDC-4FP-5M-R-PNP 4 POLE FEMALE CORDSET CABLE MDC4FP5MRPNP
21172 BANNER IA13SMETA FIBER OPTIC CABLE ARMORED
G7L-1A-BJ-CB OMRON RELAY G7L1ABJCB
TELEMECANIQUE GV2ME07 / 1.6-2.5A STARTER GV2ME07
GENERAL ELECTRIC GPS1BHAG MANUAL STARTER 1.6-2.5A
BUSSMANN SAMI-71 FUSE INDICATING COVERS BM6300PQ 30AMP SAMI71
LOT 3 POTTER BRUMFIELD KRPA-11AG-24 RELAY BASE IDEC SR2P-05
LOT OF 7 IDEC RH2B-U RELAY DC12V AND RH2B-UL RELAY DC24V
SQUARE D FAL24015 MED CASE CIRCUIT BREAKER 15AMP
ITE SIEMENS FBDIN54 DIN MOT ADAPTER F. 35MM DIN RAIL
5 PC UMK PHOENIX CONTACT UMK-SE-11.25-3 TERMINAL BLOCK MODULE FBM 4 AI A0 4-20mA
TOSHIBA ND-3561GR FLOPPY DRIVE ND3561GR
SS8VCRT SWAGELOK SS-8-VCR-T VCR FACE SEAL FITTING 1/2in
INDUSTRIAL MRO 3308 REG PWR SPLY PCB CIRCUIT BOARD ID: M23333
2X PANDUIT PCSB4-2Y #4-#14STR #10-#14SOL AL9CU MULTI TAP INSULATED CONNECTOR
HUALON 17USVGA-86314A / E117126 VIDEO CARD 1024 X 768 ID: M23600
MITSUBISHI 3A133067 MTH-415 PCB CIRCUIT BOARD ID: M23621
GE 2810A14AG MACHINE TOOL RELAY 600VAC 10AMP 22D135G-102 COIL
CLIPPARD R443 R-443 4 WAY DELAY PRESSURE COMBINATION VALVE
THOMAS BETTS 148 3" LOCKNUT 78-6210-00148
2X ALLEN BRADLEY 700-F310A1X 195-FA40 AUX CONTACT
ALLEN BRADLEY 1747-L511 SERIES B SLC 500 PROCESSOR IT 1747L511
ALLEN BRADLEY 1747-L511 SERIES B SLC 500 PROCESSOR IT 1747L511
WESTRONICS MC000342-00 REV G INDEX MOTOR DRIVE ID: M231071
WESTRONICS CB000342-01 MOTOR INDEX DRIVE ID: M231415
TELEMECANIQUE CA3DN62BDREQ3548G6 LA1DN3LA4DB1B CONTACTOR
2X SQUARE D 9001-KM1 SER H GREEN A-B 800T-QB10 SER T GREEN PUSH BUTTON
HONEYWELL T7770F1005 4-LEVEL 0512 THERMOSTAT WALL MODULE 55-85F
800MRP16S ALLEN BRADLEY 800MR-P16S SER D LAMP 86
P9SLGD 080PGG GE PILOT LIGHT YELLOW -
6307-2RS1/GJN SKF BEARING 34.82MM ID 63072RS1GJN -
LOT 2 NIB ZB2BD27 TELEMECANIQUE ZB2-BD27 SELECTOR SWITCH
NW25 AMAT 0690-01038 HINGED CLAMP NW-25 ALUMINIUM
ACTION INSTRUMENTS 4051-2216 CONDITIONER 0-20MV/VDC 40512216
2X ALLEN BRADLEY 700-HA32A1-4 RELAY CURTIS RS8 SOCKET 8 PIN
ALLEN BRADLEY 800FP-LE0 PUSH BUTTON 22.5MM AMBER
OMRON LY1N-DC24 Relay, 8Pin, SPDT 15A 24VDC 4765-61124
SMC CQ2WB20-5D CYLINDER COMPACT DOUBLE ROD 8310-02205
81-532-102 CROUZET 81532102 PNEUMATIC SUB BASE FOR LOGIC ELEME
MARS 45F337 MOTOR R CAPACITOR 440VAC 6UF -