0020-78443船舶半导体工控备件主板供应

福建中立恒自动化设备有限公司

1．输入/输出单元

输入/输出单元通常也称I/O单元或I/O模块，是PLC与工业生产现场之间的连接部件。

PLC通过输入接口可以检测被控对象的各种数据，以这些数据作为PLC对被控制对象进行控制的依据；同时PLC又通过输出接口将处理结果送给被控制对象，以实现控制目的。

由于外部输入设备和输出设备所需的信号电平是多种多样的，而PLC内部CPU的处理的信息只能是标准电平，所以I/O接口要实现这种转换。

I/O接口一般都具有光电隔离和滤波功能，以提高PLC的抗干扰能力。另外，I/O接口上通常还有状态指示，工作状况直观，便于维护。

PLC提供了多种操作电平和驱动能力的I/O接口，有各种各样功能的I/O接口供用户选用。I/O接口的主要类型有：数字量（开关量）输入、数字量（开关量）输出、模拟量输入、模拟量输出等。

常用的开关量输入接口按其使用的电源不同有三种类型：直流输入接口、交流输入接口和交/直流输入接口。

常用的开关量输出接口按输出开关器件不同有三种类型：是继电器输出、晶体管输出和双向晶闸管输出。

继电器输出接口可驱动交流或直流负载，但其响应时间长，动作频率低；而晶体管输出和双向晶闸管输出接口的响应速度快，动作频率高，但前者只能用于驱动直流负载，后者只能用于交流负载。

PLC的I/O接口所能接受的输入信号个数和输出信号个数称为PLC输入/输出（I/O）点数。I/O点数是选择PLC的重要依据之一。当系统的I/O点数不够时，可通过PLC的I/O扩展接口对系统进行扩展。

2．通信接口

PLC配有各种通信接口，这些通信接口一般都带有通信处理器。

PLC通过这些通信接口可与监视器、打印机、其它PLC、计算机等设备实现通信。

PLC与打印机连接，可将过程信息、系统参数等输出打印；与监视器连接，可将控制过程图像显示出来；与其它PLC连接，可组成多机系统或连成网络，实现更大规模控制。

与计算机连接，可组成多级分布式控制系统，实现控制与管理相结合。远程I/O系统也必须配备相应的通信接口模块。

3．智能接口模块

智能接口模块是一独立的计算机系统，它有自己的CPU、系统程序、存储器以及与PLC系统总线相连的接口。

它作为PLC系统的一个模块，通过总线与PLC相连，进行数据交换，并在PLC的协调管理下独立地进行工作。

PLC的智能接口模块种类很多，如：高速计数模块、闭环控制模块、运动控制模块、中断控制模块等。

以下链接皆有货

WMF 33.1445.3200 PRESSURE SWITCH 1.1BAR - LOT OFPCS.

WMF 3319134000 PCB CARD 33 1913 4000

WMF DOPPELTASTE33.1945.3100 COUBLE KEY

WOERT 3303-GRPACK

WOLAR BX 155 GASKET RING S304-4 ANVU

WOLF AIRLAMP TURBOLIGHT ANGULAR CONTACT BALL BEARING NSK E13U1 - LOT OFPCS

WOLF AIRLAMP TURBOLIGHT TURBINE WHEEL WITH MAGNET ROTOR FOR MODEL ATL45

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WOOD F-1-1/2 NSMD

WOODEN CLINOMETER

WOODWARD 27G50F-3B02-999 5000PSI

WOODWARD 5009-421

WOODWARD 5009-421 (AS PICTURED)

WOODWARD 5009-425

WOODWARD 5009-425 (AS PICTURED)

WOODWARD 505XT(LV-STD) 8200-1310 18-36VDC 4.3A

WOODWARD 5453-278 (AS PICTURED)

WOODWARD 5464-549

WOODWARD 5466-031

WOODWARD 5466-253

WOODWARD 5466-256

WOODWARD 5466-318

WOODWARD 5466-318 (AS PICTURED)

WOODWARD 5501-471

WOODWARD 8200-1203 LINKNET-HT 18-36VDC REV. A

WOODWARD 8200-177 18-32VDC 3.3A

WOODWARD 8235-240

WOODWARD 8280-412 40VDC

WOODWARD 8552-987 PGPL

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WOOJIN EOC09-1,EOC09 R1.0A BOARD

WOOJIN ISO26 B BOARD

WOOJIN PUZ33 A,PUZ33 R2.0 BOARD

WOOJIN PWM33-1,PWM33 REV:1.0C BOARD

WOOJIN PWM33-2,PWM33 REV:1.0C BOARD

WOOJIN PWS27 A PWS27A POWER SUPPLY

WORCESTER Ball Valve R6 2", C30615, A743 CF3M,

WORCESTER BRUSH BALL VALVE 2PORT 1-1/2", SST, 5966RBW4T6900R21,

WORLD AMERICAN 4301840 - SLIDING CLUTCH

WORLD AMERICAN TRANSMISSION DRIVE SHAFT 54779-118170 (05/16) MALE THREADED

WORLD WATER SYSTEMS FHAB1720-US FILTER HOUSING ADAPTERINCH

WORLD WATER SYSTEMS HSSE0563 SCREEN

WORLD WATER SYSTEMS MHVP0890DXXVCC VALVEIN VICTAULIC

WORLDWIDE OILFIELD MACHINE INC. SP-2300 PACKING ASSY - LOT OF

WPM299 WINDSHIELD WIPER MOTOR FRONT

WPM299 WINDSHIELD WIPER MOTOR FRONT

WPS STARTER MOTOR 16966 12V 0A20E2

WSB-Q354-R41 MAIN BOARD CPU RAM INCLUDED

WTC CHS-4001 830-0678V1 480VAC

WUNDER BAR SPLIT HEEL RED 12B RED, PH12-98-R-LH,  600,

Wunder-Bar EA-ASM-10-156-MS, Marco's Pizza Control Board RTU,

Wunder-Bar EA-MOT-105-156 Turntable Motor Assembly Double Stack, 4T8618M0284WB

Wunder-Bar EA-MOT-105-156 Turntable Motor Assembly Double Stack, 4T8618M0284-WB

WWC W24LP SOLENOID VALVE 639788

WYLAM HILL PORTAMARINE NSN 6680-99-192-2735 LIQUID LEVEL INDICATOR

WYLIE 650V3 OFFSHORE RCI LATEST PROGRAMMED LARGE DIGITAL INDICATOR LOAD ON HOOK

WYNN SERIES 1000 WIPER CONTROL UNIT

WYNSTRUMENTS WYN64 MARINE WINDOW WIPER MOTOR 210/2V

X LASER SCAN 6240H & 7124H-1F*778 REV.E

XANTREX XFR 300-4 0-300V 0-4A DC POWER SUPPLY

XBI03.PCBDOC,TCB04,TMCM-303,O/TM03 BOARD FOR EVOTEC OPERA S/OPT01,

XBJ03.PCBDOC,OBP01 BOARD FOR EVOTEC OPERA S/OPT01

XBK03.PCBDOC,ODB01 BOARD FOR EVOTEC OPERA S/OPT01

XERONIX HPX-30-24C100,130-0027-01,FOR MAGNATRAN 70 ROBOT POWER SUPPLY

Xilinx Field Programmable Gate Array, XC3S400-4TQ144I,  11,

XILINX XC3042-100-PC84C FPGA 84 PIN PLCC UK STOCK (x1) fcb20.24

XILINX XC4005-6PG156C FPGA CERAMIC PGA IC UK STOCK (x1) fcb28.22

XILINX XQ4028EX4CB228B, 5962-9850901QZC 28,000 GATE FPGA SEMICONDUCTOR

XINIX 0011-0063-00-00 REV:C BOARD

XP F6C9,XPIQ P/N:10000768 F POWER SUPPLY  

XP fleXPower X9-3P3P3P2L-120001 P/N 660-052198-002

Xplore Industry Tablet PC iX104 / IX-DOCK-B "No Hard Drive"

XYCOM 3512-217114003200H

XYCOM 8450-054163903000

XYCOM 9450-2446616010000

XYCOM 9450-2486616010000

XYCOM 9450-2790017010000 (AS PICTURED)

XYCOM 9450-27B1319010000

XYCOM 9450-2AH702G010000

XYCOM VMEBUS 107007 70655-403 70655-099,109123 70978-001,BIOS V2.4 CPU 133 MHZ

Xylem Flojet Beer Pump, G561202E, H5610000 VCD-106,  12,

XYLEM WATER KIT O-RING EPDM SV/PX/GSV/VR33-46 65-80CLM KL02AAA

XYLEM WATER KL41AAH KIT SEAL BUSH SV/PX/GSV/VR33-92 65-100CLM

Y LASER SCAN 6240H & 7124H-1F*778 REV.E

Y.O.SYSTEMS OR 2000 OR2000 SW/AV 2ch RESISTANCE TESTER

YALE #AU4707LN DOOR LEVER LOCKSET GRADE 1 ENTRY 626

YALE 908630400 WHEEL CYLINDER

YAMAHA #2HR-23526-00 BUSHING

YAMAHA #2HR-23526-00 BUSHING

Yamaha 6Y8-82553-01, 6Y88255301, Main Bus Harness, #141G19

Yamaha 6Y9-83553-00-00, 6Y9835530000, Display Single, #141G20

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YAMAHA CL-940LB TOM BALL CLAMP

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YAMATAKE DA CARD AHC2001DA40000

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YAMATAKE DISTRIBUTED I/O MODULE CHSM00,HD-CHSM00 HD-CHSBS00