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

Schmersal MV8H 330-11Y-M20 Limit Switch(2 Lot)

Parker FMU F2 Differential Pressure Indicator 4 LED - 2 Pcs. Lot

 Sun Hydraulic Cartridge Valve CWIG LGN PAT 4834135

Wolf HL-95 Hazard Safety Lamp

Neotronics Impact Pro Gas Detection Unit 506.41.00.0001

MEGA-CHECK 10-ST COATING THICKNESS METER

Parker Schrader Bellows L4853360453 / K045302553 120V Solenoid Valve

Nakakita 1897 temperature gauge

PepperlFuchs LB3101A Non Hart Analog Input 541957

SEAL KIT 1720-02 97/99-10017 O-RING  Piston

Wika IS-10 Pressure Transmitter 0-400 bar 4-20mA 10-30VDC  Cable 7046991

SUN HYDRAULICS CBIG 1KN8 VALVE 350 Bar

ATB R0.09 71/L10 Motor 1340/Min, 50 Hz, 220-240V, 0.09 kW

Condor MDR3 Air Compressor Pressure Control Switch

Danfoss EKC 315A Controller 084B7086

FOG/FLUSH STR.STREAM A701019

Spirax Sarco PF51G Piston Actuated Valve

Autonics HD88H30-1024-2-4 Rotary Encoder

HYTORC XY-25XLT UNISWIVEL ASSY XLT-003

Parker RE 06 M 10 W2 V 1 J W 20 Proportional Pressure Relief Valve

Parker D1VW20HNJP 75 Hydraulic Directional Control Valve

ENDRESS  HAUSER FTL51-AGW2DB4G4S Liquiphant M Level Switch

Rexroth Mecman 361 062 860 0 Fine Sitting Valve

Bitzer Art. 30229874 Full Piston With Bile For D50, 4DES - Spa

IMS 800-749-2964 P/N 80775

Merlin Gerin Compacto C161H-L Disyuntor 80A

Wandfluh KGG1222-C02 Relief Valve BVSGG12-350-Y-22C02-Z178

Ruelco SS-2 High Flow Pressure Switch -4222-2B000 .200-750 PSI

Cameron 223388-34 b02 pc board

Geopal Gas Detector GJ-C O2 And Toxic Stand AlDetector

SICK WL27-3R2631 Kompakt-Lichtschranken 1027776 24 240V 2,5 VA 6-polig

Danfoss AVTA 15 ½-14" NPT Water Valve AMAT 003N6162

Danfoss 060N1039 MBS 5100 Pressure Transmitter 0-40 Bar

CONDENSATE DRAIN VALVE 075169 SPARE PART FOR COMPRESSORS

NOV Valve,Shuttle,3/4"SS,W/1" NPT Ports 5000 PSI MWP

Dwyer Flotect L4-SS-1 Float Switch For Hazardous Locations

Tamagawa Seiki N3.5-90TR1 Synchro TX.TR Motor

Ridgid 17522 Ball Bearing Punch Set

Teledyne Analytical Instruments. Class B-2C Micro Fuel Cell Oxygen Sensor

LEM DK 200 B420 Split Core Power Converter

ALFA LAVAL ART. NO.: 1764391-01 TEMPERATURE SENSOR

640-0287F-Z REV17 Circuit Board

NOV Valve, Shuttle, 1.9cmSS, W/1" NPT Ports 5000 Psi Mwp

Grundfos 96455086 Set, Shaft Gasket, Cr (I/N) 1S,1,3,5

Barksdale D1T-M33SS-EXI Diaphragm Pressure Switch

Alarm Guide Equipment AUTRONICA OUTPUT MODULE BSB-310 MPN BSB-310

Bosch 0 414 181 015 Petrol Injection Pump Pump PFR1K80A398/1

Parker FMU F2 Differential Pressure Indicator 4 LED - 2 PC Lot

Danfoss CAS155 Differential Pressure Switch

MEGA-CHECK 10pc Plating Thickness Metre

Thorn Safety Minerva Alaram Relay 24V Dc Coil

Autonics HD88H30-1024-2-4 Rotating Encoder

10NV2VS8NM8NF-CR-60-SOG

Condensed drain valve 075169 replacement part for compressors

Danfoss 060N1039 MBS 5100 Pressure Transmitter 0-40 Rod

Tamagawa Seiki N3.5-90TR1 Synchro Tx.tr Engine

Rexroth Mnr: 3712090050 Pneumatic Directional  Pressure Control Valve

Wall Flood AEX32061A-S1788/T4 Directionalnel Vanne Avec Boboon Eugen Seitz 2A52W

Depend-O-Drain Mdb-O Also Drain Valve 20381520 Motor 230v 50/60hz 20 17Amp

BEKA BA358C Intrinsic Safe Panel Mount Indicator

Armstrong International 11AV Float Type Air Sfiated 28 Rod

Danfoss EMP 2 Pressure Transmitter 0 6Bar

Kriwan Motor Guard INT 69/69F Motor Protection Relay

GE FANUC IC693CPU311-AC Programmable Control Base 5-SLOT With Processor

Under Voltage Travel Device - AUT-1 Sr.No.10106 - TA-8470-1-1

 SUN Hydraulic Cartridge Valve Cwig (Clap 4834135

Cameron 223388-34 b02 pcs Plate

Oceanering 0332366 Connector, Pressure Relief

KLifter  Door Panel KM606810G01

EMI EDSP 592 Dual Power Supply 220VAC

Akron Style 3020 Pistol Grip Brass Fire Fighting Vari-Nozzle 3.8cm 100psiGPM 2

Wolf HL-95 Hazard Safety Lamps

Francis FSP127 Signal Lantern Lamp, Charger

Consilium Is Is Isolator P/N: 004473

ABB-M01 Under Voltage 24VDC

Hydac International ETS 386 3 150,000 Electronic Temperature Sensor -30 Self

ALFA LAVAL ART. NO 1764391-01 TEMPERATURE SENSOR

Alfa Laval Art. No. 1764391-01 Temperature Sensor

Hydac International ETS 386-3-150-000 Electronic Temperature Sensor -30 To 150

Nitto Kohki JT-20 Jet Chisel Needle Scaler Powerful Scaling W/Multi-Needles

Appleton Emerson N2DC752 Vessel Locked with Switch 20A 2HP 250 VAC #

CEE ITH7111 ZERO SEQUENCE RELAY

Damcos / Danfoss Rls / 222/0-68 Position Indicator 056-3221

Damcos / Danfoss RLS / 222/0-68 Position Indicator. 056-3221

Vega Bar 53 BR53.CXGNXOHKMXE Pressure Transmitter

VEGA Rod 53 BR53.CXGNXOHKMXE Pressure Transmitter

Wild Pump Diaphragm 04-1010-52 (2 Piece Lot)

Vickers Electromagnetic Directional Valve Dg4v3 60M U H7 60

Marzocchi 1BK4 D5 Gear Pump

Parker S8F Solenoid Valve 1/2" Port DN13 -20.7 Rod

Danfoss 042N4412 Air Actionné Inclined Seat Valvule AV210A 25GG1T NC000 Dn

Kawasaki 63956-11201 pcb card

Rexroth 990500A

Wago 750-463 Channel Analog Input Module

Vacon PC00290 D board CM130901 94V

DAICHI HSTP1-B775 CONTROL SYSTEM

PR Electronics 2224 Valve Controller 2224 2B

ASIA ELECTRONICS Power Supply AFD24-24S2.2AC

Escap 24V 22P31-242 Dc Motor

Alfa Laval 9854298505 Electrode Cell Salt Content

Kongsberg GLL-90A Processing Card 7258-001.0004

Kongsberg GLL-90 Processing Card 7258-001,0003

Enerpac Hydraulic Pressure Gauge GF230B 100mm 0-700Bar Npt 1/2′′, Stainless Steel

IFM PN4220 Pressure Sensor Effectorsoo PN-400-SBN14-HFBOW / LS

Parker 7321BCN00-2995-481865C2 Pilot Solenoid Valve

HBM HCL3-1760 kg Scissors beam loadcell K-Hlcb / 1.76TJAP3-1

TESCOM 44-5262-241V Pressure Reducing Controller 1/4" Pin: 3500 Psi,: 100 Psi

Overland as UPC 3002 Serial Line Splitter SLS

WAGO 750-452 2AI 0-20mA Diff. 0.08-2.5 mm2

Rheintacho FFA 96-1,5 SPD Indicator

Alfa Laval 9854298505 Electrode Cell Salinity

Merlin Gerin C101H-LP Breaker 0974 40A

ATLAS COPCO PART NO. 1622-0098-80 CABLE,CONNECTOR WIRE ASSEMBLY

IFM PN4220 Pressure Sensor Efectorsoo PN-400-SBN14-HFBOW/LS

DENSEI NIPPON ELECTRIC Synchro Receiver Type: 43M (100/110V 50/60Hz) -

DRUCK PTX 610-I-1300 Gauge Pressure Sensor bar 25

 D1VW020BNJCF 91 PARKER VALVE

KCORPORATION KM604000G01 VOLT 94

SALWICO CONSILIUM EV-P SMOKE DETECTOR P/N 40020

SAKAMOTO ELECTRIC LIMIT SWITCH LWIO-SB1

REFCO MANIF SET 4-WAY

Nabtesco mgmc-2 pneumatic modular valve 73794234-14

AZBIL 1LX7003-RH EXPLOSION PROOF SWITCH IP54/IP67 5A-250VAC

Consilium salwico 5200273-00a unit ic10 wp

Kidde Graviner MK7 1-43682-K285-5.0 Cable Assembly With 90° Connecter- 5 Meters

Parker M10080004 Pneumatic Directional Control Valve

VALMET NELES AUTOMATION M851121 DMU PCB CARD 542836-6A

TESCOM 44-1111-24 Enter 6000-500psi output

Valmet M851521 KIU

Parker PMD-Chemnitz Hydraulic Gear Pump 3349219084

Parker SensoControl SCPT-400-02-02 Pmax:800 Bar Pressure and Temperature Sensor

SIgrist 394.402.90.001 Odme Light Source 00002089