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
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ShinMaywa NS35A-19A NS35A19A AC Servo Driver w/ Deformation and Scratches
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ShinMaywa SPM30-01 SPM3001 Built-Indd Motor
Shinstat SH-130 SH130 Ion Blower for Static Eliminator
Shinstat SH-130 SH130 Ion Blower for Static Eliminator
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Shodensha 1.3M Camera Module
Showa DS-7000 Transducer Indicator
Showa DS-7000 Transducer Indicator
SHS ESH1-D-00/S27 ESH1D00S27 42FW9A Circuit Module Board
SHS ESH1-D-00/S27 ESH1D00S27 42FW9A Circuit Module Board
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Sick 03MPAB61XW-C 03MPAB61XWC
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Sick 42T10V52 DC 10...30V NOB
Sick 42T10V52 DC 10...30V NOB
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SICK AG Reflection Light Button WTT2SL2P3492M07
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Sick AOD-N1 6028961 AODN1 Amplifier Unit
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Sick C20E-030103A11 C20S030103A11 C 2000 Light Curtain
Sick Devices Pillar 2021329 for C2000/M2000
SICK DGS60G1A02048 Incremantal Encoder Original Box/Un
Sick Encoder AFM 60BS1AM004096
SICK Encoder ARS60G1A00360
Sick Encoder DBS60ETJEA02048
SICK FX0GETC00000 1051432 Flexi Soft Safety Control
Sick I150-RP223 I150RP223 Safety Switch
Sick I150-RP223 I150RP223 Safety Switch
SICK LASER LASER SCANNER LMS1001000
SICK Laser Scanner RLS1001111/
Sick M40S-034003AA0 M40S034003AA0 M4000 Series Light Curtain Sender
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Sick Motor Feeddback EFS502KF0A023A
SICK MSLS0324071 Light Barrier
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SICK S30A4111CP 1045650 Laser Scanner
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Sick UE410-CAN3 UE410CAN3 6033111 Safety Relay
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Sick WEU 26-710 WEU26710 Photoelectric Safety Switch
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SICK WL27R63 Optical Sensor
Sick WS260D230 Light Barrier
Sick WTB27-3P1211 WTB273P1211 Sensor
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Sick/Stegmann AG60-4M1W20901N00 1033265 Encoder
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Sieb & Meyer Colibri SD2S 0362141EC1007 Spindle Motor Driver
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Siebert S10206/14/0R000/0BP0 Display Unit
Siemens 00345.010 00345010 0245.02.01a 02450201a SYPCDB-TW SYPCDBTW Board
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Siemens 098-12092-02 0981209202 PSDR-1073 PSDR1073 12092-05 Board
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Siemens 1 FT51060AF712 3000RPM Servo Motor
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Siemens 100032 Rev:A08/PSL 4.10 WALKair TS-BU/BU-TS
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Siemens 1FK70225AK711LH3 Synchronous Reserve Motor
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SIEMENS 1FK70325AK711LG3 + Alpha PS060SMF1101C12S i=10
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SIEMENS 1FK70325AK711UH0 + Alpha SP060SMF1101C12S i=10
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Siemens 1fk70422af711rh0 synchronous motor with clutch
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