福建中立恒自动化设备有限公司
主营产品: 大型DCS系统备件,进口工业机器人备件,大型伺服系统电机驱动器,变频器,传感器,安全栅,编码器,电磁阀,流量计等机械或电气部件产品
0100-01577板卡等工控备件优势经销

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。

ABB STROMBERG BIAC-2000 PC BOARD 570 03401 1/2

ABB STROMBERG BIAC-2000 PC BOARD 570 03401 1/2

ABB STROMBERG BIAC-2000 PC BOARD 570 03401 1/2

ABB SYNPOL CMA 32 GVT 360 5792 PCB CARD CMA 32

ABB SYNPOL CMA 32 GVT 360 5792 PCB CARD CMA 32

ABB SYNPOL CMA 32 GVT 360 5792 PCB CARD CMA 32

ABB SYNPOL CMA 32 GVT 360 5792 PCB CARD CMA 32

ABB SYNPOL CMA 32 GVT 360 5792 PCB CARD CMA 32-1

ABB SYNPOL CMA 32 GVT 360 5792 PCB CARD CMA 32-1

ABB SYNPOL CMA 32 GVT 360 5792 PCB CARD CMA 32-1

ABB SYNPOL CMA 32 GVT 360 5792 PCB CARD CMA 32-1

ABB SYNPOL CMA 32 GVT 360 5792 PCB CARD CMA 32-1

ABB SYNPOL CMA 32 GVT 360 5792 PCB CARD CMA 32-1

ABB SYNPOL CMA 33 GVT 360 5796 PCB CARD CMA 33

ABB SYNPOL CMA 33 GVT 360 5796 PCB CARD CMA 33

ABB SYNPOL CMA 33 GVT 360 5796 PCB CARD CMA 33

ABB SYNPOL CMA 33 GVT 360 5796 PCB CARD CMA 33

ABB SYNPOL CMA 33 GVT 360 5796 PCB CARD CMA 33-1

ABB SYNPOL CMA 33 GVT 360 5796 PCB CARD CMA 33-1

Abb Synpol CMA 36 Pcb Card GVT3605797

Abb Synpol CMA 36 Pcb Card GVT3605797

Abb Synpol CMA 36 Pcb Card GVT3605797

Abb Synpol CMA 36 Pcb Card GVT3605797

ABB SYNPOL CMA 36 TERMINAL BOARD GVT 360 5797 PCB CARD CMA 36-1

ABB SYNPOL CMA 37 GVT 360 5798 PCB CARD CMA 37-1

ABB SYNPOL CMA 37 GVT 360 5798 PCB CARD CMA 37-1

ABB SYNPOL CMA 37 GVT 360 5798 PCB CARD CMA 37-1

ABB SYNPOL CMA 37 GVT 360 5798 PCB CARD CMA 37-1

ABB SYNPOL CMA 37 GVT 360 5798 PCB CARD CMA 37-1

ABB SYNPOL CMA 37 GVT 360 5798 PCB CARD CMA 37-1

ABB SYNPOL CMA 39-B PCB GVT 360 8491

ABB SYNPOL CMA 39-B PCB GVT 360 8491

ABB SYNPOL CMA 39-B PCB GVT 360 8491 POWER SUPPLY

ABB SYNPOL CMA 39-B PCB GVT 360 8491 POWER SUPPLY

ABB SYNPOL CMA 51 GVT 360 5976 PCB CARD CMA 51-2

ABB SYNPOL CMA 51 GVT 360 5976 PCB CARD CMA 51-2

ABB SYNPOL CMA 51 GVT 360 5976 PCB CARD CMA 51-2

ABB SYNPOL CMA 51 GVT 360 5976 PCB CARD CMA 51-2

ABB SYNPOL CMA 51 GVT 360 5976 PCB CARD CMA 51-2

ABB SYNPOL CMA 51 GVT 360 5976 PCB CARD CMA 51-2

ABB SYNPOL CMA 52 GVT 360 5977 PCB CARD CMA 52-1

ABB SYNPOL CMA 52 GVT 360 5977 PCB CARD CMA 52-1

ABB TAYLOR 125S1989-1 ANALOG CARD REV.PJ 125S19891

ABB TAYLOR 125S2604-1 PC BOARD 125S26041

ABB TAYLOR 125S2604-1 PC BOARD 125S26041

ABB TAYLOR 6010BZ10001A PC BOARD

ABB TAYLOR 6215BZ1000A CONTROLLER TRANSFER CARD

ABB TAYLOR 6215BZ1000A CONTROLLER TRANSFER CARD

ABB TB801B PCB CARD 3BSE020516R1

ABB TB801B PCB CARD 3BSE020516R1

ABB TB806-1 BUS INLET 3BSE008537R1 MODULEBUS EXTENSION CABLE ADAPTOR - LOT OF 3

ABB TE5S240 STAR DELTA TIMER RELAY TE5S

ABB TE5S240 STAR DELTA TIMER RELAY TE5S

ABB UC86-8CH COUNTER BOARD UC868CH 57275871-E

ABB UC86-8CH COUNTER BOARD UC868CH 57275871-E

ABB UC86-8CH COUNTER BOARD UC868CH 57275871-J

ABB UC86-8CH COUNTER BOARD UC868CH 57275871-J

ABB USART86-8CH COMMUNICATION CONTROL BOARD USART868CH 57772115-C

ABB USART86-INT CURRENT LOOP BOARD USART86INT 57275847-C

ABB VD86 CONTROLLER BOARD 57287977-H

ABB VD86 CONTROLLER BOARD 57287977-H

ABB VD86-AMP VIDEO AMPLIFIER BOARD VD86AMP 57288001-B

ABB YL611001-BY/2 PC BOARD QHFB-210 YL611001BY2

ABB YL611001-BY/2 PC BOARD QHFB-210 YL611001BY2

ABB YL611001-BY/2 PC BOARD QHFB-210 YL611001BY2

ABB YL611001-BY/2 PC BOARD QHFB-210 YL611001BY2

ABB YL611001-BY/2 PC BOARD QHFB-210 YL611001BY2

ABB YL611001-BY/2 PC BOARD QHFB-210 YL611001BY2

ABB YL681001-AB/1 PC BOARD QHFT-201 YL681001AB1

ABB YL681001-AB/1 PC BOARD QHFT-201 YL681001AB1

ABB YL681001-AB/1 PC BOARD QHFT-201 YL681001AB1

ABB YL681001-AB/1 PC BOARD QHFT-201 YL681001AB1

ABB YL681001-AF PC BOARD QHFT-200F, YL681001AF

ABB YL681001-AF PC BOARD QHFT-200F, YL681001AF

ABB YL681001-AF PC BOARD QHFT-200F, YL681001AF

ABB YL681001-AF PC BOARD QHFT-200F, YL681001AF

ABB YM321001-AN CIRCUIT BOARD YM321001AN QH-743

ABB YM321001-AN CIRCUIT BOARD YM321001AN QH-743

ABB YM321001-AN PC BOARD TYPE QH743 YM321001AN

ABB YM321001-AN PC BOARD TYPE QH743 YM321001AN

ABB YM321001-AN PC BOARD TYPE QH743 YM321001AN

ABB YM321001-AN PC BOARD TYPE QH743 YM321001AN

ABB YM321001-Z PC BOARD YM321001Z TYPE QH742

ABB YM321001-Z PC BOARD YM321001Z TYPE QH742

ABB YM321001-Z PC BOARD YM321001Z TYPE QH742

ABB YM321001-Z PC BOARD YM321001Z TYPE QH742

ABB/BAILEY 4TB5203-0408 PC BOARD REV. C, 4TB52030408

ABLE COMPUTER 10412-0 CIRCUIT BOARD 104120 73B1A45601

AC CONTROL 3024-A CONTROL BOARD 3024A

AC CONTROL 3024-A CONTROL BOARD 3024A

AC CONTROL 3024-A CONTROL BOARD 3024A

AC CONTROL 3024-A CONTROL BOARD 3024A

AC DRIVER BOARD 168507-00001

AC DRIVER BOARD 168507-00001

AC TECHNOLOGY 9935 CIRCUIT BOARD 605-088 EPC-5-0

AC TECHNOLOGY 9935 CIRCUIT BOARD 605-088 EPC-5-0

ACCURAY 061595-003 SENSOR SCANNER BOARD 061595003

ACCURAY 061595-003 SENSOR SCANNER BOARD 061595003

ACCURAY 061595-003 SENSOR SCANNER BOARD 061595003

ACCURAY 061595-003 SENSOR SCANNER BOARD 061595003

ACCURAY 082132-001 SCANNER CONTROL BOARD 082132001

ACCURAY 1-061551-002 PC BOARD 1061551002

ACCURAY 1-061551-002 PC BOARD 1061551002

ACCURAY 2-064810-002 DRIVER BOARD 2064810002

ACCURAY 2-064810-002 DRIVER BOARD 2064810002

ACCURAY 2-064828-002 OPERATOR INTERFACE BOARD 2064828002

ACCURAY 2-069241-001 PC BOARD 2069241001

ACCURAY 2-069241-001 PC BOARD 2069241001

ACCURAY 2-069241-001 PC BOARD 2069241001

ACCURAY 2-069241-001 PC BOARD 2069241001

ACCURAY 3-064843-002 INTERFACE CARD 3064843002

ACCURAY 3-064843-002 INTERFACE CARD 3064843002

ACCURAY 4-083885-001 PC BOARD 4083885001

ACCURAY 4-083885-001 PC BOARD 4083885001

ACCURAY 6-082156-002 PC BOARD

ACCURAY 6-082156-002 PC BOARD


展开全文
拨打电话 微信咨询 发送询价