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推送:0100-3804省市县区域/直送2024全+境+派+送

更新时间
2024-12-23 08:30:00
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AMAT
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详细介绍

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。

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Trane Control Board 6400-1352-01 Rev A/ ASSY 6400-1353

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Emerson 50L47-290-01 Circuit Control Board GP/N PCBBF241 0131F00289  #P614

1601-0482 - ALLOY ART Shifter Linkage - Semi-Polished MCL-2

Siemens Sitop modular 5a 1/2 PH power supply

Signal Divison FBL Deep Flush Moting

Baso Gas Products Intermittent Pilot Ignition Control C662D9A-2 Rev D

Carrier Bryant 1012-940-L Furnace Control Circuit Board HK42FZ009

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LENNOX A55 M1-5 Rev C Rooftop it Control Board Hb-01905da

IB-MEI S.A 2/102/JU65 Washing Machine Motor 120v

13550266020 Control Transfomer 460v 24v

Lennox M1-6 Control Board with sub boards

Homeline Square D Outdoor Load Center Circuit Breaker 125A Amp 4 Space 8

Eaton C25DNF340T Definite Purpose Contactor 40 FLA 3 Poles

1 inch Flex Screw in Connector Pack of 70

GE PCB Low Value Gate 0872D432G0003

 

GE 186C9303G0002 REV. 3 Megacycle Frequency to Voltage Converter

ABB 3BHB004661R0101 Gate it Power Supply

Cyberex 1M-0.8/ 0.72DF1M Power Supply

Allen-Bradley PowerFlex 700 / Enclosure 20BD156A0ANNANC0

GE 115D2292G2 IV AMP-RPW-AV PC Board

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GE 115D2281G2 LD RATE / SET LIMIT

GE FANUC 117D6684 G1 Load Set Printed Circuit Board

PDL Electronics / Bardac UE140D54 AC Flux Vector Drive

Allen-Bradley 803-B6 Rotary Cam Limit Switch

Westinghouse 149D930G02 Minimum Excitation Limiter

Krones Autocol K747 Bottle Labeler and Control Panel HUGE SALE!

Westinghouse 100P104H01B / M300AWEAW 798A243G02 Firing Circuit Buck Boost

Ronan DET-16861-6P0-A Density Detector

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GE STM Limit Board 117D6690P3

TARGET ROCK 78G-009 VALVE

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GE CV Amp Card 117D7353P2

Westinghouse 149D946G01 Over Excitation Protection-2

Square D NT08N1 Masterpac Circuit Breaker

Westinghouse 149D956G02 DC Voltage Error Detector

Baldor Motor ECP4410T-4

Baldor Motor ECP4404T 75 HP

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GE 115D2234G2 VOLT COMP-PLU PC Board

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Westinghouse M300 6540C42G02 Voltage Adjuster

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GE 115D2248G002 Valve Pos Demodulator Board

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GE INTERRUPTER

Allen-Bradley1336F-B010-AN-EN4-HA2-L6 Drive

Bailey INIIT-002 PC Board Net Transfer

Emerson Servo Motor 115U3E405VAMAA115240

Allen-Bradley AC Motor 8720SM-075S6SAS1 75Kw 137A 750DC

Allen Bradley Motor 31HP (Kw) 37.1V 1600 RPM 8720SM-030Z4JAS2

Cutler-Hammer A202K4BA CONTACTOR

GE Low Value Gate Card 117D6635G2 115D2268P2

Copeland Condensing it CNAG-0200-TAC-001

ABB 3HNE00313-1 Teach Pendant

Fanuc Spindle Servo Motor A06B-0868-B200 #3000

Cutler-Hammer 8172A-6501 102752 Opcon Photoelectric Analog Control Switch

Reliance Electric 0-49001-2 Cardpak Power Supply

Baldor E4316T 75 HP Foot Moted Motor

GE CV Amp Card 137D6720P3

Westinghouse W200M3CFCY4Y7 Size 3 Starter

Fanuc AC Spindle Motor A06B-0759-B200 #3000

Fanuc AC Spindle Motor A06B-0759-B290#3000

Ovation 1C31232G03 Differential Module

GE 531X305NTBANG1 TERMINAL BOARD

ABB 3BHB003041R0101 I/O CONTROL BOARD

GE 169C2768G0002 Board

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Copeland Condensing it C7AB-0200-TAC-001 EAV1-0200-TAC1

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NUS INSTRUMENTS NUS-B071PA-1 BOARD

ABB HB003431R0101 POWER SUPPLY

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Ferraz Shawmut A6Y2000-5 Fuse

Emerson 1199PDB25AFFWG1DB000 AND 3051S2TG3A2B11A1AB4D1E5M5Q4

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GE 125D3225G2 VC-Low Hysteresis PC Board

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