0010-0900工控产品优势经销
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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。
AC TECH LINE VOLTAGE BOARD 962-004F
AC TECHNOLOGY 9935-001C BOARD ASSEMBLY
AC100083-01 MC100083-01 Pcb Circuit Board Rev E
AC246074 BOARD
AC4490 PF4490-1 Pcb Circuit Board
Acco 581-027-009 Datamaster Pcb Circuit Board
ACC-STYRRORT 80N810AC-01 CIRCUIT BOARD
ACCU-FAB AFS3620 CONTROLLER BOARD
ACCU-FAB AFS3620 CONTROLLER BOARD (REPAIRED)
ACCU-FAB AFS3620 CONTROLLER BOARD (REPAIRED) (AS PICTURED)
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ACCURAY 066693-002 PROCESSOR BOARD 2-066692-01
ACCURAY 069230-001 PC BOARD 8-069229-001
ACCURAY 069789-001 BOARD 3-069786-001
ACCURAY 069828-002 PC BOARD
ACCURAY 1-061551-002 PC BOARD
ACCURAY 1-061579-001 PC BOARD
ACCURAY 1-085164-001 CIRCUIT BOARD
ACCURAY 162694-72 CIRCUIT BOARD
ACCURAY 2-064810-002 DRIVER BOARD
ACCURAY 3-083142-001 CIRCUIT BOARD
ACCURAY 3-083688-001 CIRCUIT BOARD
ACCURAY 4-064859-002 PC BOARD MEMORY
ACCURAY 4-083885-001 PC BOARD
ACCURAY 5-067457-001 CIRCUTI BOARD
ACCURAY 6-082156-002 PC BOARD
ACCURAY 7-083882-001 PC BOARD
ACCURAY 8-069229-001 PC BOARD
ACCURAY 9-064856-001 CIRCUIT BOARD
ACCURAY 9-066695-001 CONTROL BOARD
ACCURAY 9-067451-002 PROCESSOR w/ 8-069229-001(x2) PC BOARD
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ACCUWEB 6017-02 CIRCUIT BOARD
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ACCUWEB CPU 8000 CIRCUIT BOARD
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Aci 098801 Pcb Circuit Board Rev C
Aci 098801 Pcb Circuit Board Rev D
Aci 098802 Pcb Circuit Board Rev A
Aci 098806 Pcb Circuit Board Rev 0
Aci 098807 Pcb Circuit Board Rev 0
Aci 098809 Pcb Circuit Board Rev A
Aci 098810 Pcb Circuit Board Rev E
Aci 098810 Pcb Circuit Board Rev F
ACME LSWS-6514 POWER SUPPLY BOARD
Acrison 105-2-178 Power Supply Pcb Board
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ACRISON 115-0443 CPU BOARD
Acrison 115-0852 MD-2-442 MDII Data Link Option Board Version II
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Acrison 403-4-228 Pcb Circuit Board
Acrison 403-4-236 Pcb Circuit Board
Acrison 403-4-240 Pcb Circuit Board
Acrison 403-4-244 Pcb Circuit Board
Acrison 403-4-248 Pcb Circuit Board
Acrison 403-4-252A Pcb Circuit Board
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ACRISON MD-2-211 CPU BOARD
ACRISON MD-2-271 CPU BOARD
ACRISON MD-2-442 BOARD
ACRISON MD-2-730 OUTPUT BOARD MDII ANALOG
ACRISON MD-2-800 I/O OPTION BOARD
Acrison PCU-4-17 Pcb Circuit Board
Acrison PCU-4-20 Pcb Circuit Board
Acrison PCU-4-26 Pcb Circuit Board
Acrison PCU-4-62 Pcb Circuit Board
ACRISON RDC2186 PC BOARD
Acrison SBC-2000 Control Module Pcb Board
ACROMAA-0618 BOARD
Acromag 1018-091D Pcb Circuit Board
Acromag 1018-108C Transmitter Pcb Circuit Board
Acromag 1018-111B Pcb Circuit Board
Acromag 1018-114D Pcb Circuit Board
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ACROMAG 784-PS BOARD
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ACTION INSTRUMENTS V560-8007-0 DISPLAY BOARD ONLY
ACUMEN 200-1008 CIRCUIT BOARD
Acurex 25065-010-P Pcb Circuit Board
Acurex 25070-010-F 25072-010 Pcb Circuit Board
Acurex 25080-010 Scanner Interface Pcb Circuit Board
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Acurex 25100-010 Pcb Circuit Board
Acurex 40060-010 Pcb Circuit Board Rev D2
Acurex 43020-011 U5005 Pcb Circuit Board Rev 4
ACUREX D000-20347-01E AC POWER BOARD
ACU-RITE DISPLAY BOARD ASSEMBLY 38-75-98-603401
ADAC CORPORATION 1664ATTL OUTPUT PULSE BOARD
Adamczewski Relay Card Ad-rk8/2ev-s121 Module Rk8/2 Ev Version 2.0
ADAPTEC AHA-2940AU PC CARD ADAPTER
ADAPTEC ASC-39160/DELL SCSI CONTROLLER CARD
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adc tele data board psdc-40 712-c02003c
ADDI-DATA CPCI-3120-16-4 BOARD
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ADEPT 10300-11110 CIRCUIT BOARD
ADEPT 10300-46620 CONTROLLER BOARD
ADEPT 10310-54040 CIRCUIT BOARD
ADEPT 10310-58020 I/O BOARD
ADEPT 10840-42160 OUTERLINK CARD
ADEPT 10846-13430 ROBOT SIGNATURE CARD
ADEPT 15400-00170 PC BOARD
ADEPT 20310-54040 CIRCUIT BOARD
Adept 30332-22350 Sio/ide Hard Drive Board
ADEPT 90338-53110 CONTROL BOARD
Adept E043XCI01-001 E010XCI01-003-3 Pcb Circuit Board
ADEPT TECH 10330-0400 4-AXIS INTERFACE BOARD
ADEPT TECH 10330-0400 INTERFACE BOARD
ADEPT TECH 10841-00500 ROBOT SIGNATURE CARD
ADEPT TECHNOLOGIES 10604-00100 CIRCUIT BOARD
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Adept Technology Verstärkerkarte 10338-53105 Amplifier Card Dual C Amp Rev: P_A
ADEPT TECHNOLOGY VME-2105 REV.B PC BOARD
ADEPT10604-12030 REV.F CONTROL BOARD
ADLINK PCIe-RTV24 Frame Grabbers / Video Capture Cards PCI-1 4-CH 120fps
Adlink PET-48DIO Programmable Event & Timer 48-bit Digital Input Output Card
ADT 4520-330 FIRE ALARM CIRCUIT BOARD
Adtech Power PA100056-03 AP41-316D Pcb Circuit Board
Advanced Coastal Environmental 40M0134 Pcb Circuit Board
ADVANCED CONTROLS AC108 100029 9212 RELAY BOARD
ADVANCED CONTROLS AND MEASUREMENTS AC108 RELAY BOARD
Advantage Electronics 2306305-A Pcb Circuit Board
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ADVANTAGE ELECTRONICS 35305011 RELAY BOARD
ADVANTAGE ELECTRONICS 3-530-5033A CIRCUIT BOARD
ADVANTAGE ELECTRONICS 35305034 RELAY BOARD
ADVANTAGE ELECTRONICS 3-530-5050A CIRCUIT BOARD
ADVANTAGE ELECTRONICS 3-530-9066 RELAY CIRCUIT BOARD
ADVANTAGE ELECTRONICS 35309066A CIRCUIT BOARD
ADVANTAGE ELECTRONICS 3-531-1004 CIRCUIT BOARD
ADVANTAGE ELECTRONICS 3-533-0798G PC BOARD
Advantech BO320A Pcb Circuit Board Rev 1.2
Advantech PCA-6106-B Pcb Circuit Board Rev B1
Advantech PCA-6106P3-0C1 1902610655 Rev C1 Pcb Circuit Board
ADVANTECH PCA-6157 CONTROL BOARD UNIT
Advantech PCL-839 3 Axis Stepping Motor Control Card
ADVANTECH PCLD-785 RELAY OUTPUT BOARD
ADVANTECH PCM-3350 COMPACT FLASH CARD
ADVTANAGE ELECTRONICS 35309014 PC RELAY BOARD
AEC 477247 INTERFACE CARD
AEC 601-00523-00 BOARD
AEC AO536808 PC BOARD
Aecl 0901-PCB59 Pcb Circuit Board
AEG 32.1600.313-00 BOARD
AEG Hard Disk 6058-042.275 757 Drive Card 3.5'' Sps HDU 853 Rev.02
AEG Kontrollkarte E31 Control Card AE05 273334792.7oz AEG E31 02-9126
AEG Memory Module 6051-042.239683 CMOS-RAM Sfc 6504 256kbyte PCB Rev.04
AEG PC BOARD MULTIPULS CONTROLLER ISIC-6D.1
Aei 990-I/O Computer I/o Pcb Circuit Board
AES EA3001 REV.A PCB PC BOARD
Aga MK203 191328 Pcb Circuit Board
Agc D-6448-100A Pcb Circuit Board
Agie Versorgungsplatine 616181.6 SUS-02 D Control Card Supply Stage Platine
Agie Wire Distributor WID-06A 149912.8 Control Card Platine
Agilent 08360-60222 ALC Board Assembly
Agilent 08360-60232 Pulse 50Ghz Board Assembly
Agilent 08753-60231 Source Module W/08753-60157 Board
Agilent 85680-60181 RF Section Interface Board Assembly Item
AGILENT E1351A MULTIPLEXER CARD
Agilent HP A-2918-45 08752-60005 CPU BOARD
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