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。

以下链接皆有货

SKF Pillow Block Bearing, SYE 1 15/16 N, 1 15/16" Bore

SKF Seal 115021, CR, 11.5 in. ID, 13 in. OD, .625 Wide,  Ready to Ship

SKF TIMKEN Single Row Tapered Bearing 32940  Sealed

SKHA36AT0800 SPECTRA SKHA 800 AMP 600V GE Spectra

Skidmore 124933 460 Volt 4.6A 1HP 60 Cycle 3 Phase Pump Control Panela

Skinner Honeywell Pneumatic Valve V5B62530N 150 Psi 120V

SKK GEARMOTOR TYPE MFG 24T 0.4KW RATIO 1:60 W/ TOSHIBA MOTOR TYPE IK

SKM 8781860.00 CIRCUIT BOARD  

Skotch 1/2in 70-120psi 300psi 450f Oil Burner Valve System

SKY Induction Heater HUA 2000-G 0.66 RF Power 2kW

SLC 500 DH-485 CAT 1747-AIC Allen Bradley Link Coupler Series B

Slectron Sistema Bonfiglioli Frequency Inverter GVX2002-22-T

SLOAN DEPOSIT CONTROL MASTER MODEL OMNI II ALLOY CONTROL MASTER 117-230VAC

Sloan EBV-139-AU Cover, Ring, and Sensor Assembly

SM SIEB & MEYER CIRCUIT BOARD 21.45.01.5A L931027V,

SM SIEB & MEYER CIRCUIT BOARD 21.45.03.2,

SM SIEB & MEYER CIRCUIT BOARD 21.45.07,

SM SIEB & MEYER CIRCUIT CONTROL BOARD 21.45.02,

SM SIEB & MEYER CIRCUIT CONTROL BOARD 21.45.02.A,

SM SIEB & MEYER CIRCUIT CONTROL BOARD 21.45.02AC 21.45.02.A FR ESI QSM PCB DRILL

SMA CPU2P E Module CPU2P:E

SMA91E - PHOTOELECTRIC SENSOR 10-250VAC/DC SQUARE  

Smart A1A260986.00 Industrial CompactFlash SG9CF1GHYA9IP | REV.AP

Smart Theater Systems Board 0226B350

Smart Theater Systems Board 0226E310

Smart Vision Lights L300-625 Linear Connect-a-Light P/N: L300-625 Cognex

Smart Vision Lights L300-850 Light Bar

Smart Vision Lights Linear Light Bar 119-2161R IVSL-YLW300-470

Smart Vision ODDM-302-625-W Wide Lens Light Module, Red, Cognex DM30X-HPIA-625-W

SmartRise 3050B-2605 Valve Board

SmartScan Light Curtain 51028APL1 CON1

SMB SBL4-0530-45-4-560/BS-A Servo Motor 47437 + Mijno MOD 08502 | 5 Ratio

SMB SBL4-0530-45-4-560/BS-A Servo Motor 52491 + Mijno MOD 08502 | 5 Ratio

SMB SBL4-0750-45-4-560/BS-A Servo Motor 52499 + Mijno MOD 11502 | 9 Ratio

SMB SMG-001 / SMG001 REV D  Old Stock

SMC (MJ1) ITV3050-04N4N4-X400 Electro Pneumatic Control Regulator 90 Day Warrran

SMC 1/2” 24VDC VX230GG solenoid valve

SMC 1/2” Pneumatic Assembly AR40 NAV40 NVHS4500 Valve Filter Regulator

SMC 30-46009 30-3525 Thermo Chiller Controller Panel

SMC 44718602 ZZX-DBJ0068 Valve Maifold MJ1 90 Day

SMC 5 Port Solenoid Valve 3Y3340-5M0Z

SMC AW3000-03D AIR FILTER REGULATOR AL3000-03, ODE 21T2BV28-F SOLENOID VALVE

SMC BOOSTER REGULATOR MODEL VBA4100,

 SMC C-40550 11384 9302 Air Cylinder

SMC Cat-SY5000 Cat-SY5140-5DZ Air Valves

SMC CD85KN25-150S-B-Y01 / CD85KN25150SBY01

SMC CDBX2H15-200B-A73 1.0MPa Air Slide Pneumatic Cylinder

SMC CDBXWL32-125-J79W 1.0MPa 145PSI Pnumatic Slide Ball Cylinderarran

SMC CDBXWL32-125R-J79W 1.0MPa 145PSI Guided Cylinder

SMC CDLABN50-600-E-J59WL3 1.0mpA 145psi Cylinder

SMC CDLAFN40-355-E-J59WL 1.0MPA 145PSi Pnumatic Cylinder

SMC CDLAFN80-400-D-J59 Rodless Pneumatic Cylinder

SMC CDLAGN50-500-E-F5BAL 145PSI 1.00MPa Pneumatic Cylinder

 SMC CDLG1BA25-230-E-H7BAL Fine Lock Cylinder

SMC CDLM2F40-600-E Round Body Cylinder

SMC CDM2L32-600A-G5BAL-X142US 145PSI Pneumatic Cylinder

 SMC CDY1S25H-150B 0.7MPa Rodless Cylinder

SMC CDY1S40H-500/CDY1S40H-500B-J79W 0.7MPa Guided Cylinder

SMC CE1F20-25-J79L 1.0MPa Stroke Reading Cylinder

 SMC CEP1F20-100-M9NSAPC Scale

SMC CKG1A40-100YZ-P4DWSE CYLINDER RS3211 1-WARRENTY

SMC CP95SDB63-356  77*N-42 145PSI Actuator

SMC CY1SG25-50BZ 102PSI .7MPA Rodless Cylinder

SMC CY3RG25-400 MAGNET COUPLED RODLESS CYLINDER

SMC CY3RG25-600 MAGNET COUPLED RODLESS CYLINDER

SMC CY3RG25-650-Y59BL Magnet Coupled Rodless Cylinder

SMC CY3RG-500-Y59BL MAGNET COUPLED RODLESS CYLINDER

SMC CYLINDER AIR MXW25-275B

SMC CYLINDER LOCKING MDNBG100-360-D-A93L

 SMC CYLINDER PNEUMATIC CP96SF80-650 145PSI 1.00MPa

SMC DeviceNet ex240-sdn1 SI Serial Interface Unit

SMC Devicenet EX420-SDN1 Fieldbus Interface Unit

SMC EIT1010 Electric Pneumatic Signal Converter // EIT1010-F31B-X25

SMC Electrical Actuator/ Power Supply JXCE18-LEFS32A-200 90 Day

SMC Electro Magnetic Pneumatic Regulator 4-20MA IT2031-N02B

SMC ELECTRO-PNEUMATIC POSITIONER IP1600 CLASS D2G4 1.4 7KGF/CM DC4 20MA 90DAY WA

SMC E-MY2H16-100TBPL Cycle Rodless Cylinder w/ Step Encoder

SMC E-MY2H25-600TBNM Rodless Electric Actuator

SMC EX110-STA1 16-Node Output Serial Interface Unit

SMC EX120-SPR1 Solenoid Control Valve

SMC EX122-SPR1-B PROFIBUS-DP SI UNIT 4.1A 2.1W 16 OUTPUT RAIL MOUNT 90DAY WARRAN

SMC EX250-SPR1 PROFIBUS INTERFACE, SI UNIT 32/32, 24VDC

SMC EX500-GEN1 Gateway Unit

SMC EX500-GEN1-X28 250MA IP20 Serial Interface

 SMC EX500-GEN1-X55 Gateway Unit (Ethernet/IP) SERIAL INTERFACE UNITar

SMC GATEWAY UNIT EX500 SERIES EX500-GEN1 24VDC CLASS2 250MA 64/64 1P20R

SMC GATEWAY UNIT EX500-GEN1-X28 250MA 24V CLASS 2 IN/OUT 64/64 IP20 Serial Inter

SMC GATEWAY UNIT EX500-GEN1-X53 ETHERNET/IP 24V CLASS 2 IN/OUT 64/64 IP65 TYPE 1

SMC GUIDED CYLINDER MXS25-30A-X42 PRES 0.15-0.7,

SMC HEC200 W-2DM Thermo-Con Controller, 132072

SMC HEC200W-2DM-X11 THERMO-CON, THERMO CONTROLLER, 134121

SMC HRS050-W-20 Thermo Chiller, 5H1-47, 102338

SMC HRZ004-L1-NY Thermo Chiller, 453093

SMC HRZ008-L-C Thermo Chiller, 450776

 SMC IDG30A-N03-P IDG MEMBRANE AIR DRYER MJ1

SMC IN313-PC01 Serial Interface Unit

SMC In-Line Speed Control Valve AS3002F-11, 3/8" Tube Push Fitting Lot Of 7

SMC INR-244-216A Thermo-Con Circulator Power Supply, 500072205, 200V, 172274

SMC INTERFACE CONTROL BOARD P49522094 REV 2 PCB ASSEMBLY 90DAY

SMC IP6100-031-D-SM Positioner w/o Lid

SMC ISA3-GFP 100-200kPa Digital Gap Checker

SMC ISE80-02-V  DIGITAL PRESSURE GAUGE SENSOR

SMC ISE80-N02L-T-P Digital Pressure Switch, 1/4in NPT, 14.5-145PSI

SMC IT2030-N32 0-10VDC 0.54-0.7 MPA E/P Regulator