0010-17633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。
Anritsu Industrial Solutions CW-MPU Pcb Circuit Board
Anritsu Industrial Solutions KCU2504A I/o Extension Pcb Circuit Board
Anritsu Wiltron 6800-D-37448A 12 Analog Instruction PCB Assembly
Anritsu Wiltron 6800-D-40639 A9 board
Anritsu/Wiltron Module/Board - A09 OPTIONS BASE 322U12930 (Y2) A0901 TRIG/GATE
Anybus AB4004 Pcb Circuit Board
ANZELGERKARTE 2134982 BOARD
Apc 640-0860B Pcb Circuit Board Rev 4
Apc 640-0892B Delta Pt Pcb Circuit Board Rev 05
Apc 640-4122F Pcb Circuit Board Rev 07
Apc 640-4123C Output Bk Panel Pcb Board Rev 04
APC AP9606 Smart Slot Web/SNMP Management Card
Apcc 640-0289A Pcb Circuit Board Rev 2
Apex 234411-3 Pcb Circuit Board
Apex Instruments DAC-210520-02 Pcb Circuit Board
Api 1085-251 I/o Pcb Circuit Board Rev G
Apollo ASM-48 430132R Downloadable Reader Interface Board
APPLIED AMAT FEED THROUGH BOARD BIASABLE ELECTRODES COPPER/300MM 0100/0130-20268
APPLIED AUTOMATION 2000105-002 PC BOARD
Applied Automation 2000130-003 Pcb Circuit Board Rev B1
Applied materials 0100-00537 SD Stepper Interface Card
Applied Materials 0150-25784 KVM FES SERIAL CARD CABLE
APPLIED MATERIALS DI/O BOARD 0100-76124
APPLIED MATERIALS PCB ASSY, SERIAL DIST BD 0100-02129
APPLIED THEORY AT-ELF CIRCUIT BOARD
APPLIED THEORY PC BOARD AT-THICKET
APPLIED THEORY PC BOARD W/ PHOENIX UMK BASE AT-EID
APS DAUGHTER BOARD 01-5154-100
Aquafine 16375 Pcb Circuit Board Rev F
AQUAFINE CORP. PC BOARD 16375
Aquarian 3000 7900-1005-05 Pcb Circuit Board
Arburg Analogkarte SN 174.120 A Analog Card Module Stand 002 Selogica Card
Arburg Circuit Board 796 Sn 196.975 A Sn 196.973 V.01 196975
Arburg Circuit Board ARB 739 V.01 Arburg 739 Platine Unit
Arburg Circuit Board ARB654 Sn 116.761A 005776 Stand 002
Arburg Circuit Board ARB664 PC Sn 117211 Platine 117212 Unit
Arburg Circuit Board ARB757 165.211A V.04 + ARB763 168.068A V.03
Arburg Circuit Board ARB757 SN165.211A Control Card 165.210 V.01
Arburg Construction Group 457A +C19 Module Board Components BS Platine Unit
Arburg Control Board 566 CPU Card Module 97868 V.00 SN120.984A Stand 010
Arburg Control Card 790 SN 188.463 A Circuit Board 188.462 V.00
Arburg Control Card ARB767 Module Sn 171.261 V.01 Platine
Arburg Control Card ARB922 Module V.01 Mat 356.866 Platine
Arburg Control Unit 517 A Cpl. Sn. Multronica Card 04072 Control Board
Arburg Control Unit 576 Cpl. Sn. Multronica Card 00751 Control Board
Arburg Control Unit 696 Cpl. Sn. Multronica Card 01054 Control Board
Arburg Control Unit 731 Cpl. Sn. Multronica Card 00972 Control Board
Arburg CPU Module ARB 709 SN 142.811 Sn 129.856 V.04 + A09 CPU Card
Arburg Diagnosekarte ARB695 Circuit Board Sn 126.106 V.02 FG-ML2 4898
Arburg Diagnosekarte SN 171.758 A Card Selogica Stand 005 Serrefine Damaged
Arburg Diagnosekarte SN 171.758 A Card Selogica Stand 005 SN 126.106 V.02
Arburg Input/Output Card 121.682 v.02 Module 121.683 A
Arburg Leistungsbusplatine Arb 665 Power Bus Board SN 150.369 A Sn 116753 V.01
Arburg Module 2.5245A Circuit Board Control Board Card 1.0981 B Card
Arburg Multronica Card 120.524
Arburg Multronica Card 120.525
Arburg Multronica Card 120.526
Arburg Multronica Card 574A
Arburg Multronica Card ARB759 Sn 167.585 V.01
Arburg Multronica Card B20 593 Sn 134.276 A
Arburg Plug-In ARB770 Plug - IN Card Control Board Sn 174.119 v.82
Arburg Power Distribution Board SN 153.329 A Card 745 Stand 005
Arburg Relay Card 657 Control Board SN 116.764 A Circuit Board
Arburg Relay Card 658 SN 116.765 A Arb 658 116765 Circuit Board
Arburg Relay Card 662 Sn 138.245 A Arb 662 138245 Circuit Board
Arburg Verteilerkarte 650 A Distribution Card Sn 116.757 A 116757+ B08 Module
Arburg Verteilerkarte 660 Distribution Card SN 123.946 A Stand 005 Module Unit
Arburg Verteilerkarte ARB 649 Distribution Card Sn 116.755A Sn 116713 Stand 005
Arburg Verteilerkarte ARB 778 Distribution Card Sn SN185.292 V.04 Module
Arcas 3020-0087 Zero Crossing Temp Controller Pcb Board
Arcas 3030-0097 Dual Comparator Card
Arcas 3040-0098 Relay Card Board
Arcas 3040-0100 Relay Card Board
Arcas 3050-0083 Timer Function On/off Pcb Circuit Board
Arcturus Networks UC5328 Pcb Circuit Board Rev 1.4
Areva P22MHA-1/1V 1167843-068 Output Amp Card
ARGUS 118031001 PC BOARD
ARITHMETIC 1131632C CIRCUIT BOARD
ARK BC-KCL5417 INTERCONNECTION BOARD
Arndt & Voss 5304-3.1B Regelkontrollkarte A&v 5304 Insert Control Card
Arndt & Voss Gmbh Regekontrollkarte 5316-3.2B A&v 5316 Insert Control Card 12V
Arndt & Voss Gmbh Regelkontrollkarte 5326-3.1B A&v 5326 Insert Control Card 12V
Artesyn NFS40-7608 Power Supply Board 100-240v-ac
ARTIKEL 33-1317 BOARD
ARTOS PP907-169-A CIRCUIT BOARD
Arvin Diamond 10021-102-04 Pcb Circuit Board Rev D
Arvin Diamond 10021-103-04 Pcb Circuit Board Rev E
Arvin Diamond 511198-1311 Pcb Circuit Board Rev B
Arvin Diamond 511325-1036 Pcb Circuit Board Rev A
Arvin Diamond 511325-1036 Pcb Circuit Board Rev B
Arvin Diamond 511453-1311 Pcb Circuit Board
Arvin Diamond 511453-1311 Rev A Pcb Circuit Board
Arvin Diamond 511479-1311 Pcb Circuit Board Rev B
Arvin Diamond 511789-1316 Pcb Circuit Board Rev A
Arvin Diamond 511920-1043 Interface Pcb Circuit Board Rev D
Arvin Diamond 512271-1046 Pcb Circuit Board Rev D
Arvin Diamond 512272-1 Pcb Circuit Board
Arvin Diamond 512272-1045 Pcb Circuit Board Rev C
Arvin Diamond 512273-1044 Pcb Circuit Board
Arvin Diamond 512273-1044 Pcb Circuit Board Rev B
Arvin Diamond 512276-1041 Common Logic Ii Pcb Circuit Board Rev C
Arvin Diamond 512277-1040 Pcb Circuit Board Rev C
Arvin Diamond 512278 Pcb Circuit Board Rev B
Arvin Diamond 512472-1043 Pcb Circuit Board Rev A
Arvin Diamond 512538 Pcb Circuit Board Rev C
Arvin Diamond 512541-1040 Pcb Circuit Board Rev B
Arvin Diamond 512608-1040 Pcb Circuit Board Rev A
Arvin Diamond 514518-1045 Pcb Circuit Board Rev H
Arvin Diamond 514544 Pcb Circuit Board Rev K
Arvin Diamond 514555 Pcb Circuit Board Rev D
Arvin Diamond 514555-2047 Rev F Pcb Circuit Board
Arvin Diamond 514698-1047 Pcb Circuit Board Rev B
Arvin Diamond 514699-1046 Pcb Circuit Board
Arvin Diamond 597-10327 Failure Detect Pcb Board
Arvin Diamond 597-10331 511983 Pcb Circuit Board Rev B
AS102 106121-D PC33 Pcb Circuit Board
AS99 E PC43 U-4382-00011 Pcb Circuit Board
ASCII Tastaturbeleuchtungskarte 1-96 511991 0225 Keyboard Backlight Module Card
Asco 214B281 Sequential Controller Pcb Circuit Board
ASCOM 60241220 LP450 TAF-12-2 BOARD
ASCOM 60261086 LP450 TAF2-3 95122511 BOARD
ASCOM 60261932 LP450 TAM-5-2 BOARD
ASEA 1730F14000A BOARD CONTROLLER
ASEA 2668 180-310/2 BOARD
Asea 2668 182-120/1 Pcb Circuit Board
ASEA 2668 184-384/3 CIRCUIT BOARD
Asea 2668 184-526/7 Pcb Circuit Board
Asea 2668 184-651 Pcb Circuit Board
ASEA 2668171-15/2 DRIVE BOARD
ASEA 2668171-15/3 CIRCUIT BOARD
ASEA 390275 PC DRIVE CIRCUIT BOARD
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