0020-23904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。

Tokyo Keiso DIR-700-DB Digital / Analog Indicator For Tank Data of Cargo s

Rodi EZ SDI 4 Automatic Silt Density Index SDI Monitor V1.3 EZSDI4 V1.2 RO Water

Ebelt BT10 V2 RS232 Operator Control Panel T0110014xx 32V BT 10/12 LCD display

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Lam Research 853-031764-004 Rev F BIMBA D-95004-A Lifter Bellows Assembly

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Invivo Research 453564174021 0926 PCB Board Assy. B214/155N239 Rev D W/ AB228

GW Instek GDS-2102 Digital Storage Oscilloscope DSO 2Ch 100MHz 1 GSa/s GDS-2000

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Bosch Rexroth / Indramat FWA-ECODRV-SSE-02VRS-MS 267815 Drive DKCO2 1-040-7-FW

Ulvac Kiko G-20DA Vacuum Pump Ulvac Tianma YTP100-4E02B Single Phase Induction M

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NSK XY-HRS023-ZRS104 Linear Stage Slide Robot Module XY-HRS023ZRS104

PMA KS800-CAN 9407-480-60001 Ver 42 Multiple Temperature Controller

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Schneider Electric ASSY 13-10055 Rev - main board P/N 20-10037

Sartorius PR 5510/00 X4 Process Controller PRO-X4 940515510001 Sartorius

MKS Instruments 1179B01323CR1BV / Viton 2000 Sccm / N2 Mass-Flo Controller

9ATTBD03A Rev 01 A.R. MS Booster 15KVA MonO M511

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JRC JXA-7A Watchkeeping Receiver 2182kHz JXA-7

Mks 872B-29942 Rev.00T 124037-G2 Baratron Pressure Transducer

Thrane  Thrane A/S TT-106838 CPU I/O Module TT37-106838-A 4A1A1 97800424 Cobham

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Foxboro FBM231 Channel Isolated Reddant Integrator Module P0926GV I/A Series

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AVAL DATA PSM-331 DCAM-IF APC-332 IPCI-BASE Frame Grabber Fast Corporation

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Terasaki AGR-21L-PGU Over Current Release 1H1316SAB Tem Power AGR21STRU

Swagelok SS-4BY-V35-1C Bellows- Valve for Switching Service

SAAB TankRadar 9150068 874 Rev A Transmitter Electronic  9150064-861E Marine

Horiba Stec LF-F404M-A-EVD Liquid Mass Flow Meter FW: 1.3 3g/min H20 0190-46025

Warner Electric EM 210-10 Motor Clutch Assy 5371-270-009 Max RPM 3600 34W

inficon CDG100D 20 Torr 390-144 Vacuum Capacitance Diaphragm 2,666 Pa/26.7mbar

MB 081 Lisec Backplane 01-002-081 v1.0 Sigmatek PLC Glass Processing System

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Warner Electric B6650-541-000-14 Moving Armature Outer Hub Assembly SVT CDE

Festo MS6-LRE-1/4-D7 Electrical Pressure Regulator 535364 OP. 20bar 300psi

Alpha Pompe AP063 G Alphair Pneumatic Actuator shie yu machine valve Semicond

ABB AquaMaster4 FEW432R0080S2BRE81BB1 Water Electromagnetic Flowmeter Magmeter

Besi Marine Systems 93BE30 Remote Control System R20520053 BESI Armaturen Gmhb

Isotron Algodue UPM3010 STD iversal Power Meter With Flash Memory

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Protege PRT-CTRL-DIN GX DIN Rail System Controller Bios Ver 01.30 App Ver 02.06

philips ultrasod hd3 adapter 3 port 453561294454 OPT-439-PSA-Ext 03

Opto 22 SNAPD6MC 6-Ch I/O Module Backplane 006463B W/ SNAP-IDC5 SNAP-ODC5SRC x2

Allen-Bradley 1756-DNB  Control Logix Device CAT. Rev. H01 F/W Rev 7.001

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Besi Marine Systems 93BE30c Remote Control System R21138051 BESI Armaturen Gmhb

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HP Logic analyzer 1663E HP166XE V02.02 HEWLETT PACKARD 1663E

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Lam Researh 716-331128-008-B Window, Sapphire, Plug 716-331128-008 Rev. B

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