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。

POWERWAVE 7095-30 Ret System Cable 30M

CCS PSD-3024-WW Light Controller (R4S1.3)

NAIS UZF3215A PHOTOELECTRIC SENSOR

MICRO EPSILON THERMOMETER CT-SF15-C1 4800102 (R5S1.7B1)

BB ELECTRONICS 232FBC 2 PORT RS-232 FALLBACK SWITCH ( (IN18S3B1))

LOTZE DR-CO-CMDAIO DIORAIL REV A ((IN30S3B2))

 RESISTOR (R5S7.5B2)

NORGREN / EXCELON L74E-6AP-DRP (U1.2B1)

LOT OF 90 RADIONICS EL09SBTK2NS CONNECTOR (U2.2B2)

POWER CONTROL SYSTEMS SD62-X/2 POWER SUPPLY (U9.1B2)

MISUMI PFSSN6 PRESS FIT PLGERS QTY: 200 (U9.6B1)

BLACK  KV7022A 2-PT SERVSWITCH DT BASIC II PS2 KVM SWITCH (U10.4B1)

THK HR1530-494L RAIL (BR1.5B4)

MELLES GRIOT 65mm x 65mm LINEAR STAGE W/ MITUTOYO 0-10mm Postitioner (IN29S1B2)

VIEW ENGINEERING 10700-501 REV A CONNECTOR INTERFACE SUB PANEL (IN30S1B1)

SURUGA SEIKI B23-60C LINEAR STAGE (IN37S3B3)

MISUMI LX20 LINEAR ACTUATOR 100mm W/ ARM46AC STEPPER MOTOR (R3S11.5B1)

ALCATEL LUCENT 3AL78830AE 3AL78830AEAA 01 CARD (R2TROLLEY.3)

VARIAN 12102017 BOND ELUT SAX 100MG 1ML 100/PK (R4S9.6B2)

DOMNICK HTER 604970422 H2 PUMP KIT (R4S11.2B4)

SMC MXS16-30AS CYLINDER (BR6.3B4)

KOB KAL-L-24 KAL-L81N1WKST ALARM FLOW (IN27S1B2)

PITTMAN 14201E249-R1 SERVO MOTOR W/ DAVALL B32435 SPIRADRIVE GEAR (R6S4.4B2)

IDEC SLC30N 10 POS CONTROL PANEL W/ X9 SLDN-3DH W/ SLDN-3TH (R3S14.6B2)

SMC MANIF W/ X5 SY3140T-5M0Z-X220 SOLENOID VALVES (R2S10.3B1)

RS 591-887 SWITCHING MODE POWER SUPPLY (IN18S1B1)

NETSTAL CUC 110.240.9468 COMPLETE SYNERGY REPLACEMENT CARD (R3S3.2B2)

TAMAGAWA TS3653N386 STEPPER MOTOR (IN7S3B2)

SPOWER SPS-320P-12 12VDC 26.7A POWER SUPPLY (IN8s1b4)

DWYER RMVII-6 RATE MASTER DIAL TYPE FLOWMETER (R5S3.7B2)

MICROLITE LV2000 High Intensity LED Ring Illuminator W/ 13111-1 LYD1501000UA POW

SCHNEIDER AEG 110CPU51203 MICRO CPU DC PS (BR1.6B6)

DKERMOTOREN GR42X25  SG62 Right Angle Gear Head

SIEMENS / WALLACE  TIERNAN RS232 / RS485 AAC5713 INTERFACE KIT ( (R3S8.8))

PHOTON PF1 REV 1.1 MOTHERBOARD (R4S14.7)

47.094.4118.00 47094411843 47094411940 290MM X 140MM HEATER ELEMENT (IN7S2)

SMC CC63-50S02-0 Air Hydraulic it.  or Tracked

ATC 365 365A LONG RANGE TIMER COTER (R1S3.5)

ENTRELEC SCHIELE 2.440.011.01 MBN TIMETRON

IDEC FC2A-C24B1 PLC IT (IN38S1B4)

NAIS UZD115A PHOTOELECTRIC SENSOR

NAIS UZF12015A PHOTOELECTRIC SENSOR

NORGREN P74F-6AC-PFA EXHAUST VALVE (RS5.3B1)

AMP 1-329631-2 RF Connector Accessories HEX JAM NUT 1000PCS (U2..6B2)

BINDER 0901120004 723 SERIES CONNECTOR QTY: 20 (U3.3B4)

200 PCS OF WAGO 4 Position AWG 24-16 Grey CONNECTOR (U4.3b1)

480 PCS OF NIPPON ELXZ100ETE222MK20S 10volts 2200uF 12.5X20

BALLOON PS8041 PS-JOB 4270-04-104 HOUSING BEARING (U9.6B1)

ORIENTAL MOTOR 2IK6GN-AW2J Induction Motor (U9.6B2)

THK FK10 Ballscrew Support it (U10.6B4)

ATS 13068-1260-0004 SHAFT INTERFACE QTY: 3 (U11..3B1)

SMC EZM131HF-K5LOZ-Q VACUUM GENERATOR (U11..3B3)

TOKYO ELECTRON TS 3286-004586-11 SENSOR ASSY, CASSETTE CLAMP 1 (U11..6B1)

SMC MXS20-50 PNEUMATIC CYLINDER (U12.1B3)

THK YS 2J 15 BALL SPLINE SHAFT (U11..6B4)

SMC MXS16-50 PNEUMATIC CYLINDER TABLE (BR2.6B6)

PIAB 0128420 DISPLACEMENT FILTER QTY: 34 (BR2.4B8)

SMITHS IDI 818-SH-5-H-18.7-G CONTACT PROBES QTY: 36 (BR2.3B15)

LUCENT TNT-SL-CT3-C 0800-0443-052 REV -B MODULE (TROLLEYB.5B1) (BR5.6B7)

PARKER 4ZA-RL4A-VT-SS Adjustable Relief Valve (IN38S1B4)

HONEYWELL 3820SR0C0BE BARCODE SCANNER W/ BASE  PSU (R4S2.6B4)

SMC MXS16-100B Pneumatic Cylinder Air Slide Table (R2S13.6B2)

ALCATEL LUCENT 3AL78816AA 3AL78816AAAE 01 CARD (R2TROLLEY.3)

DOMNICK HTER AA-0009G 604035000 (R4S10.5B3)

AGILENT 110647200 ASSY SLIDING FRONT DOOR FIBRE OPTICS (R4S10.3B5)

HARTING 0966161670200 CONNECTOR QTY 60 (R3S11.3)

LPKF LASER  ELECTRONICS 1248683 STEPPING MOTOR NPB (R3S9.6B1)

SCHMALZ 10.01.0600242 suction cup (rod) 30/PK (R4S5.5B1)

SCHNEEBEAGER 309400-001 W/ X2 RN 3 075 CROSS ROLLER (R5S12.8B2)

GENUS INC 43482-00 A3 ACCELERATOR PD CONNECTOR PCB (IN11S2B2)

HAAS-LASER 18-02-03-AH V1.1 CAPACITOR BOARD (R3S9.3B2)

COMPUTAR MACRO 10X

BRANDED DF2 1 1/4" PN16 BRASS CONTROL VALVE (R3S7.3B2)

SIEMENS / WALLACE  TIERNAN RS232 / RS485 W3T172053 INTERFACE KIT (R3S8.7)

47094411850 47094411853 47096611950 290MM X 140MM HEATER ELEMENT (IN7S2)

NAEC SH5618C2908-B STEPPER MOTOR W/ BRAKE-BW-1,4-6,3 (BR5.1B5)

MELLES GRIOT 65mm x 65mm LINEAR STAGE W/ Postitioners (IN29S1B2)

MOXA EDS-316 2.0.1 INDUSTRIAL ETHERNET SWITCH (BR2.2B14)

CCS PD2-3012 (A) POWER SUPPLY (RS4.4B4)

HARTING 09652617713 15 Position D-Sub Plug, QTY 58

THK HSRIS G6F556 400MM LINEAR RAIL W/ (X2) THK CARRIDGE (R1S9.1B1)

THK HSRIS G6F558 400MM LINEAR RAIL W/ (X2) THK CARRIDGE (R1S9.1B1)

FESTO VZS10B151923 Compressed Air Tank ((R5S4.4))

PHILIPS PM 3212 BG 0-25MHZ Oscilloscope (RBD7.3)

KKLE VALVE DIV 215V-H01 2" 423SCFM Vacuum Pump Safety Valve (R2S5.5)

NAIS AFC10251F FP-M-C20T 2.7K-DC12V-I/O 20

NAIS AFP3505-F FP3 MOTHERBOARD

Everett Charles Technologies (OSTBY BARTON) Pogo-25-4 (Lot of 900 pieces)

NAIS AFC1732F FP-M -I/O LINK BOARD

BECKHOFF CX1100-0002 CPU

KLOCKNER MOELLER DIL 3-22

CLIPPARD URH1-0804 YELLOW POLYURETHANE TUBING APPROXIMATELY 320 FT (R5TROLLEY.6)

SMC VM430-01-00 MECHANICAL VALVE 6/PK (R1S8.5B2)

ADVANTECH PCA-6186 REV A1 V2.00 INDUSTRIAL MOTHERBOARD (R6S3.4)

NORGREN SPG/96077 VALVE (R6S0.5)

Danfoss VLT Automation Drive FC-302PPK75T4Z20H3XXXX

BI-TORQ IS3PT1563DAPN VALVE W/ BI-TORQ ED-305-015 (R2S14.6B3)

THK 390MM LINEAR RAIL W/ X3 HSR12RM BLOCKS (BR2.2B17)

SPIN TECHNOLOGY / COHERENT 824bfh48-2r1 COOLING TRAY FAN IT (RS2.4)

Agilent PL0890-0530 Gas Inlet Plug. .

Danfoss VLT Automation Drive FC-302PK37T4Z20H3XXXX

SMC EX250-SEN1 W/ X2 EX250-IE3 W/ X2 VQ2100NRY-5C-Q W/ VQ2400NRY-5C-Q W/ VQ2400N

LUCENT CNI6CD0BAA 0800-0601-001 E (R6S1.5)

LEESON 09800800 C42D17FK6C DC PERMANENT MAGNET MOTOR (RBD5.1) THIS ITEM WAS REMO

APC BR900GI BACK-UPS PRO 900 (RBD7.3)

SHIBAURA PSL-51H 150W 4P 220-240V PISTON PUMP (FIREHOSE)

Tektronix P5205 100 Mhz High Voltage Differential Probe

Varian PLgel MiniMIX mixed gel column 1510-5504

SMC VP544-5DZ1-03F-X538 Pneumatic Control Valve (RS4.4B7)

SCHURTER 0035.1350 LED INDICATOR RED 85 PCS (U2..6B3)

35 PCS OF CONEC 164A04169A CDF15ABZKCSN 15 POS CONNECTOR (U3.4B2)

VOLTEX DLX-82-724-2 82-724-2/12 (IN32S3B2)

HENGSTLER 0534076 RI76TD/4096AD.4N20TF-F0 ENCODER (IN34S2)

SIEMENS SLMO 8 S30810-Q2168-X100-3 CARD (R6S6.4)

Attenuator Preamp 1NB7-8303 for 16533A ,16534A ,16534AR.

CONTROLLED AUTOMATION INC CE1-0310 999-0310-6 120V VIBRATOR (R3S9.2)

AGILENT 0950-3396 225W POWER SUPPLY (R4S9.5B3)

COSEL PBA600F-36 SWITCHING POWER SUPPLY (R4S9.4)

NTI SE-6M6M15V-4-A PS/2 KVM Server Switch (r1s9.8)

COSEL ACE450F AC4-2HOVO-00 W 450W POWER SUPPLY (RBD7.3)

WICKMANN 37201250431 MIRCO-FUSE TR5 125MA QTY: 180 (U3.3B1)

Mitsubishi FR-PU03E

SMC VP544R-5DZ1-X536 PNEUMATIC CONTROL VALVE (R5S3.7)

COSEL PBA1000F-24-XTEA 100-240VAC 24V POWER SUPPLY (BR6.3) rbd1.2

AERA FC-PAR7820C 22-407516-77 100SLM O2 MASS FLOW CONTROLLER (R4S3.6)

AERA FC-PAR7820C 22-407516-76 100SLM AR MASS FLOW CONTROLLER (R4S3.6)

EKOM AHD100721-0A-B MEMBRANE DRYER (R5S2.2)

ORIENTAL MOTOR PX245-01A STEPPING MOTOR .

ALCATEL ADLT-L 3EC17385AA 3EC17385AACF 08 CARD (R3S11.3B1)

1 PIECE OF ALPHAWIRE 5854/7U

1 0 PCS ALTERA EPM7064LC84-10