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

77974-1 SPRAGUE PRODUCTS AIR DRIVEN HYDRAULIC PUMPS S-216-J-35

U7543101 GARDNER DENVER 3RD STAGE PISTON ASSEMBLY U7453101

TERASAKI ELECTRIC ECB-2131 MODULE

TP2577 DRYER SEQUENCE ANNUNCIATOR ELECTRONIC CONTROLLER

98158-1117 DRIVE FLEXIBLE CUPLING ASSEMBLY ELPEX -S ES220 NN

TT-3038C TOKYO KEIKI COMMUNICATION TRANSCEIVER

19473 RACOR PARKER REPL KIT 6 PORT VALVE

SD-11N APPLETON STATIC DISCHARGE GROUNDING REELITES

NOV VARCO 30123289 WASHPIPE PIPE 3" BORE 7500PSI

85603 GEORGE BRAKE CORP. 7967-300-2214

VGG-4322-316-HC VERSA PNEUMATIC DIRECTIONAL VALVE 5WAY

7504-4416-00 KEY LINESHAFT, 8" X 2" X 2" CONTINENTAL EMSCO

481306 ALIMAK ROLLERS GUIDE

PN7001 PRESSURE SENSOR WITH DISPLAY IFM 7001

52472 MUFFLER INGERSOLL RAND

HU-337-5 PISTON RING SET SUITABLE FOR INGERSOLL RAND LOT OF 17 SET (85 RINGS)

39547-2 NOV HEAT SINK POWER BAYLOR BRAKE

39548-2 NOV HEAT SINK POWER BAYLOR BRAKE

C5V12611B1 HYDRAULIC CHECK VALVE C5V12-611B1

287987 HOBART WASH ARM HUB ASSEMBLY

206114 VALVE BODY DSC SPEED CANTROL VALVE NOV 206114-02

DMG-02-3D2,PCV-W-02M,PCV-W-02M HYDRAULIC CNTROL VALVE

10004004-002 NOV GEAR PROPRIETARY ECCENTRIC RING MUD PUMP F-1000

224946 CHECK VALVE SCREW-IN CARTRIDGE  ON RISER RECOIL

8444 SPACER GUIDE ROLLER NOV

98290 LINER UPPER STEM NOV VARCO PART NO. 98290

30173525 REPAIR KIT FOR ST-80 IRON ROUGHNECK

27057-0.2 1/2” GILMORE STANDARD MOUNTING BRACKET SHUTTLE VALVE 27057-0.2

3N2351 CATERPILLAR HOUSING MECHANICAL SHUT GROUP

XLT25-06 GEAR RATCHET SPLINE 441-0027H FOR HYTORC HY-25XLT

WA308197-RK FLOW SERVE MISER VALVE 1" REPAIR KIT LOT OF 10

22050-005 DISC NICKEL PLATED 6IN BUTTERFLY VALVE(CAMERON DEMCO)

3" VICTAULIC CLAMP MAKE BRANDT 3" 88.9 MADE IN TAIWAN

HH5D-509 CONNECTING ROD INGERSOLL RAND

1-307-15-130 LIQUID TURBINE FLOWMETER INTERNAL ASSY 1931454-01 HYDRIL

06R218AC PARKER 250PSI PNEUMATIC REGULATOR

NORGREN BL64-208 FILTER REGULATOR LUBRICATOR

2.681.793 BJ HUGHES ROLFIL NOV

TA4C 4010-7 SUNTEC OIL PUMP

CAT 43921 CERAMIC PLUNGER FITS 3531, 3535, 3537 CAT PUMPS

MD TOTCO 13027 CONTROLLED VERTICAL DRIFT RECODER 16°  191411 CHART 50PCS

AOI INSTRUMENTATION 0063 CONTROLLED VERTICAL DRIFT RECORDING INSTRUMENT 16°

EZ1-HND-S ECHO FEDERAL SIGNAL Z1 DIGITAL INTERCOM STATIONS

PC K5B-509 CONNECTING ROD FOR FA2.5I, FA5I, FA5TI IR AIR TUGGER

78012.02 DE HOOP ELECTRONICS ROTTERDAMS

SWTM4250 PULLER SOUTH WEST OILFIELD FULL OPEN HYDRAULIC KIT SPLIT JAW

502107-00 CONNECTING ROD

961363-08 PRIMARY SUN GEAR FOR CH-240 PLANETRY HOISTS BRADEN

508-02 PARKER LUBRICATOR AIR MINITURE 1/4" NPT FEMALE LOT OF 13

2110163 BUSHING FOR 1625 UDBE DRAWWORKS DISC BRAKE NOV

FLOWSERVE 20RDA401SD1E0D ACTUATOR 20-RDA40-1SD1E0-D

271.132.304 STN INDIC PANEL ( )

KDK1008 115V,13.5W SPACE HEATER ELEMENT 508983AY

52375 PISTON ASSEMBLY FOR GW-35 HASKEL

PHOENIX 134564-02 CONTROL CIRCUIT BOARD 95-134563-006

98650.2037 4TH STG CONCENTRIC VALVE COMPAIR

P2J0115 LINK BELT VALVE 0673200 DROPSA

510499014 LIEBHERR HAWE G3-2 HYDRAULIC SEATED VALVE GHAB050L20D05

2301035-01-97 REPAIR KIT 1/4" 5000 NON-INTERFLOW PILOTED

MK 10 2/2 WAY COAXIAL DIRECT ACTING VALVES MK 10 DR NC

553/1/09498/003 SUPER DANFOSS 553-3-092703 LIEBHERR 553109498003

RBH1 AUTOMATIC BRAKE CYLINDER FOR MK35 LUFFING WINCH 835 1R

201522 ROLLER GEAR FOR SSW40 SPINNING WRENCH NOV

04803-00 COLE-PARMER MAGNETIC STIRRER WITH HOT PLATE 115V 60HZ 4AMP

2N-11120-14 EGO 9 INCH HOT PLATE 2600W 480V

JRC CFQ-275 EXTENSION BOARD 6PCBS 05193

IMPA MARINE STORES GUIDE 2008 (FIFTH EDITION)

BEBCO MODEL 2000 TYPE X CONTROL EPCU 110V ADALET XJHAGC

K6U-509 CONNECTING ROD 400087 INGERSOLL RAND K6U509 (AS PER PHOTO) LOT OF 10

OSD921 OPTICAL SYSTEMS DESIGN POWER SUPPLY

DE-3-316 VERSA DUST EXCLUDER SIZE 1/4" NPT 2 MADE IN USA

FANN THERMO CUP P/N 101558383 MADE IN USA

1037700 STILLING CHAMBER PROMINENT

COMPAIR HSK2186 SERVICE KIT – 7500HRS REAVELL

T563D1101 ALUMINIUM DRY BREAK ADAPTER 4" MALE MANN TEK

692837214 LIEBHERR PRESSURE SENSOR 0301-31440-0 (1011571)

MD81/24 POWER SUPPLY UNIT MARINE DATA

TERASAKI EMI-201 INPUT INTERFACE MODULE K/787/10-001B

K6U-787 PLANET GEAR SHAFT INGERSOLL RAND K6U787

6116500 DBI SALA LAD-SAF DETACHABLE SLEEVE WITH CARABINER

0509-25 ROSS HILL CONTROLS 0509-25 DRILLERS CONSOLE

GAST K208 REPAIR KIT AIR MOTOR

9A-100003519 NUFLO CAMERON FLOW METER

V47AE-3 JOHNSON CONTROLS PRESSURE RELIEF VALVE

0-6212-0161-00 SUPPORT ASSY NOV

RT24SD TORQ LITE 2-1/2 SQURE DRIVE

K6U-744A REVERSE VALVE ASSEMBLY INGERSOLL RAND

KD080CP0 KAYDON RADIAL CONTACT SLIM BALL BEARING

129613-2 SEA TEL REPLACE KIT 400MHZ MODEM

127660-3 SEATEL COBHAM TRACKING ANTENNA CONTROL UNIT

60004-002 BEI / SENSATA SENSORS ENCODERS INTRINSIC SAFETY BARRIER

SEATEL COBHAM DAC-2202 ANTENNA CONTROL UNIT 125411-3

01-240352-1 HOBART AIR GAP 01-240352-00001

1552085 QUICK RELEASE PIN AMCLYDE NOV CTW350/52

2038167 DIE 5 1/4 PS2-1000 TOP DRIVE

RT24MMP MOTOR MOUNTING PLATE TORQLITE

007370035 WARTSILA C1 DC/DC CIRCUIT CARD

FALK 0776214 STEELFLEX 1080T10 COVER AND GRID ASSEMBLY

INGERSOLL-RAND K6U-H505A CYLINDER HEAD K6UH505A

EN837-1 TUBE PRESSURE GAUGE, STAINLESS STEEL

0509-61 ROSS HILL GENERATOR EXCITER PCB

7401858 SEAL KIT 1" SPM TOP,HAND ASSEMBLY NOV

GREENLEE 3-1/2 STAINLESS STEEL PUNCH UNIT 52062085,52062089,5029452

0509-61 ROSS HILL CONTROLS GENERATOR EXCITER PCB CARD

DELTA 589 PUMP ASSY 3/4" BSP OUTLINE

RS200 ROXTEC AISI 316 ROUND ENTRY SEAL 138-170MM RS 200

51940-1 HASKEL AIR PILOT SWITCH

D10-364A INTERMEDIATE GEAR INGERSOLL RAND

124827-052 SAPARATOR KIT MOISTURE  ON QSLP100,QSI750 QUINCY

M092-TE08 SUPERIOR ELECTRIC STEPPING MOTOR

PMA KS 90-1 INDUSTRIAL TEMPERATURE CONTROLLER

8328687 SEAL, TEST VALVE SEAL EMD- PN 8328687 0

98446-1091 COMPAIR IMPELLER KIT

8369675 BEARING ASSEMBLY BLOWER ELECTRO MOTIVE EMD

MD.10.202 MODULAR HYDRAULIC

RIDGID 31035 MODEL 36 HEAVY-DUTY STRAIGHT PIPE WRENCH

1622C169 WILSON TAYLOR ASIA PACIFIC

OAP-321 LANCOM WIRELESS OUTDOOR ACCESS POINT MOD-A1.SE2

190427 MILLER CIRCUIT CARD ASSEMBLY

GAI TRONICS 7805-00225 HAZARDOUS AREA HANDSET / SPEAKER AMPLIFIER ASSEMBLY 24V

10055258-001 FIRING CIRCUIT BOARD PCB 10000912486 ISOLATION CIRCUIT TECH POWER

74555-26, 50 TEETH GEAR FOR SSW40  6600 KELLY AIR MOTOR

1384-X1 NSMP CORKEN CROSSHEAD ASSY

W2920 ATLAS COPCO PRO 3/4″ IMPACT WRENCH

510336114 CYLINDER AIR SHUT VALVE

910576-01 T3 ENERGY OPER NOSE SCB2151XSPU3 STAINLESS STEEL

5103945 ARGOS KANNAD ASSISTANCE 12/24 V

K6U-412 SPRING INGERSOLL-RAND LOT OF 7

RIDGID 2" PRO PRESS JAWS  /

1987 CORKEN PISTON HEAD IRON 391, 1ST69

07-3321-1400 BARTEC PUSH BUTTON MODULE LOT OF 11

9620E207A050B PCB