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
Brooks GF125C-916410, Mass Flow Controller, Gas SH47, 15LPM,
Brooks GF125C-930443, 0190-40290-02, Mass Flow Controller 860 SCCM, GAS N2,
BROOKS GF125C-930443, GF125CXXC-SH44860C-CXVODX-0994AX-000, 0190-40290-02, SH44
BROOKS GF125CXXC, GF125C-100041, 0190-40280-02, 2600 SCCM, GAS N2,
BROOKS GF125CXXC, GF125C-916328, 0190-37930-01, 3000 SCCM, GAS N2,
BROOKS GF125CXXC-SH44860C-CXV0E0-1280AX-000 0190-63197-05 GF125C-202897 860 SCCM
BROOKS GF125CXXO-0008010C-, GF125C-104075 110-34098-000 10 SCCM
BROOKS INSTRUMENT DIVISION 3810A12C1PAA1A1 PURGEMETER FLOWMETER
BROOKS INSTRUMENTS 1355EB2AAJP1A FLOW METER 0-100 SCCM C02
BROOKS INSTRUMENTS 5851EMAZ15 MASS FLOW CONTROLLER 100 SLPM AIR
Brooks Mass Flow Controller 2600 SCCM N2 GF125C-901090 GF125C-102874, LOT OF 3
Brooks Mass Flow Controller 280 SCCM, N2, GF125C-103958, 0190-49893-01, LOT OF 3
Brooks Mass Flow Controller 280SCCM, N2, GF125C-102888 GF125C-100071, LOT OF 2
Brooks Mass Flow Controller 7200 SCCM N2, GF125C-105872, GF125C-103955, LOT OF 3
Brooks Mass Flow Controller 7200 SCCM, N2, GF125C-102898 GF125C-105872, LOT OF 2
Brooks Mass Flow Controller 7200 SCCM, N2, GF125C-901104 0190-32368-02 LOT OF 2
Brooks Mass Flow Controller 80000 SCCM, SLA7851DZ80, GAS AMMONIA,
Brooks Mass Flow Controller 860 SCCM N2, GF125C-102876, 0190-40290-03, LOT OF 7
Brooks Mass Flow Controller 860 SCCM N2, GF125C-103957, 0190-49894-01, LOT OF 7
Brooks Mass Flow Controller 860 SCCM N2, GF125C-901098, 0190-32366-02, LOT OF 3
BROOKS Mass Flow Controller GAS Air, 5850S, 1.2 Slpm,
BROOKS Mass Flow Controller GAS HYDROGEN 20 SLPM, 5850S/BC1BA1BA0AA1B1 #135AB
BROOKS Mass Flow Controller GAS HYDRONGEN, 3000 SCCM, 5850S/BC1FA1CC3AA1B1 #135F
Brooks Mass Flow Controller Gas N2, 2600SCCM, GF125CXXC, #1219P1
BROOKS Mass Flow Controller GAS OXYGEN, 200 SCCM, 5850S/BC1BA1EC2AA1B1
BROOKS Mass Flow Controller GAS OXYGEN, 2000 SCCM, 5850S/BC1BA1BC2AA1B1 #135C
Brooks Mass Flow Controller GF080CXXC, GF080C-100766, N2, 280 SCCM,
Brooks Mass Flow Controller GF125C-105883 GF125C-204731 GF125C-103957, LOT OF 3
Brooks Mass Flow Controller GF125C-866145, 30L SH48, GF125C-866137 7.2L SH46
Brooks Mass Flow Controller GF125C-910568 GF125C-105882 GF125C-102888 LOT OF 3
BROOKS MASS FLOW CONTROLLER, GAS BCL3, 1 SLPM, 6256SCZWCLAC #1617C6
BROOKS Mass Flow Controller, GAS H2, 2 SLPM, 5850S/BC1EA1AC2AA1B1, #127P3
BROOKS Mass Flow Controller, GAS H2, 7.5 SLPM, 5850S/BC1EA1EC2AA1A1, #127P2
Brooks Mass Flow Controller, GF125C-913288, GF125CXXC-SH467.2L-
BROOKS PCB TECHWARE 16 CHANNEL RELAY BRD-PAL-RLYHVS-A
BROOKS PROFI BUS Mass Flow Controller GAS N2, 4000GR/HR, 5851S/BD1BB1ID0AA1B1
BROTHER GTR BGFM15-060TF2C 3PH INDUCTION MOTOR 60:1 RATIO
BROTHER GTR UGFM-18-40-S90X INDUCTION MOTOR 4P 40:1 RATIO 115V 1700 RPM
BROWN MACHINE 547-15631 PNEUMATIC CYLINDER W/ PEPPERL&FUCHS PROXIMITY SWITCH
BROWNING 3B5V110 FIXED PITCH PULLEY SPLIT TAPER SHEAVE DAIKIN 092834921
BRUKER 03-925291-01 TRANSFORMER REV 2 74-P-100 120 VOLT
Bruker 8280784 MTP 384 Target Plate Ground Steel BC w/Barcode and
BRUKER GC CARE COLUMN BR-BAC1 INERT STEEL 30m X 0.53mm df=3.0um BR21999
Bruker Vector 33 FTIR Spectrometer I18500 PS15 Power Supply 115/230 V
BSM100GAL120D EUPEC POWER MODULE
BSM100GAL120DN2 EUPEC IGBT MODULE
BSM100GAR120DN2 EUPEC MODULE
BSM100GB120DN2F EUPEC IGBT MODULE
BSM100GB120DN2F_E3256 EUPEC / INFINEON MODULE BSM100GB120DN2F-E3256
BSM100GB170DLC EUPEC MODULE
BSM100GB170DN2 EUPEC / INFINEON MODULE
BSM100GB170DN2_E3256 BSM100GB170DN2E3256 EUPEC POWER MODULE
BSM100GD120DLC EUPEC INFINEON IGBT MODULE
BSM100GD60DLC EUPEC / INFINEON MODULE
BSM100GP60 EUPEC / INFINEON MODULE
BSM100GT120DN2 EUPEC INFINEON MODULE
BSM10GD120DN2 LONG PINS EUPEC INFINEON MODULE
BSM150GAL120D EUPEC MODULE
BSM150GAL120DLC EUPEC MODULE
BSM150GAL120DN2 EUPEC MODULE
BSM150GAR120D EUPEC MODULE
BSM150GB100DN11 EUPEC POWER MODULE
BSM150GB120D EUPEC / INFINEON MODULE
BSM150GB120DLC EUPEC / INFINEON MODULE
BSM150GB120DN1 EUPEC POWER MODULE
BSM150GB120DN11 EUPEC IGBT MODULE
BSM150GB120DN2B EUPEC POWER MODULE
BSM150GB120DN2E3226 EUPEC / INFINEON MODULE BSM150GB120DN2_E3226
BSM150GB120DN2FE3256 EUPEC / INFINEON MODULE BSM150GB120DN2F_E3256
BSM150GB170DL EUPEC MODULE
BSM150GB170DLC EUPEC / INFINEON MODULE
BSM150GB170DLC_E3256 BSM150GB170DLC-E3256 INFINEON / EUPEC MODULE
BSM150GD120DN2 EUPEC / INFINEON IGBT MODULE
BSM150GT120DN2 EUPEC / INFINEON IGBT MODULE
BSM151F SIEMENS MODULE
BSM15GD100D EUPEC POWER MODULE
BSM15GD120D EUPEC MODULE
BSM15GD120D2 EUPEC POWER MODULE
BSM15GD120DLCE3224 EUPEC MODULE
BSM15GD120DN2 SIEMENS / INFINEON IGBT MODULE
BSM15GD120DN2E EUPEC / INFINEON POWER MODULE
BSM15GD120DN2E3224 BSM15GD120DN2_E3224 EUPEC / INFINEON MODULE
BSM15GP120 EUPEC / INFINEON MODULE
BSM181A SIEMENS MODULE
BSM181AR SIEMENS MODULE
BSM200GA120DLC EUPEC MODULE
BSM200GA120DN11 SIEMENS / EUPEC POWER MODULE
BSM200GA120DN2C EUPEC / INFINEON POWER MODULE
BSM200GA120DN2FS_E3256 EUPEC / INFINEON MODULE BSM200GA120DN2FS-E3256
BSM200GA120DN2S EUPEC / INFINEON POWER MODULE
BSM200GA120DN2S_E3256 EUPEC / INFINEON MODULE BSM200GA120DN2SE3256
BSM200GA170DN2S EUPEC MODULE
BSM200GAL120DLC EUPEC MODULE
BSM200GAL120DN2 EUPEC / INFINEON MODULE
BSM200GAR120DN2 EUPEC / INFINEON MODULE
BSM200GB120DL EUPEC / INFINEON POWER MODULE
BSM200GB120DLC EUPEC / INFINEON MODULE
BSM200GB120DN2 EUPEC / INFINEON MODULE
BSM200GB123D EUPEC MODULE
BSM200GB125D EUPEC MODULE
BSM200GB170DLC EUPEC / INFINEON MODULE
BSM200GB170DLC-E3256 BSM200GB170DLC_E3256 INFINEON MODULE
BSM25GD100D EUPEC / INFINEON MODULE
BSM25GD120D EUPEC IGBT MODULE
BSM25GD120D2 EUPEC MODULE
BSM25GD120DE3224 EUPEC / INFINEON POWER MODULE BSM25GD120D_E3224
BSM25GD120DN12 EUPEC / INFINEON MODULE
BSM25GD120DN2 EUPEC / INFINEON MODULE
BSM25GD120DN2E3224 EUPEC MODULE
BSM25GP120-B2 BSM25GP120B2 EUPEC MODULE
BSM300GA120D EUPEC MODULE
BSM300GA120DLC EUPEC / INFINEON IGBT MODULE
BSM300GA120DLCS EUPEC POWER MODULE
BSM300GA120DLE EUPEC / INFINEON POWER MODULE
BSM300GA120DLE3257 EUPEC IGBT MODULE
BSM300GA120DN11 EUPEC / INFINEON POWER MODULE
BSM300GA120DN11S EUPEC / INFINEON MODULE
BSM300GA120DN2F EUPEC POWER MODULE
BSM300GA120DN2FS_E3256 EUPEC / INFINEON MODULE BSM300GA120DN2FS-E3256
BSM300GA120DN2FSE3256 BSM300GA120DN2FS-E3256 EUPEC / INFINEON MODULE
BSM300GA120DN2S EUPEC INFINEON MODULE
BSM300GA120DN2SE3256 BSM300GA120DN2S_E3256 EUPEC / INFINEON MODULE
BSM300GA120DNSE3256 EUPEC / INFINEON POWER MODULE
BSM300GA170DLC EUPEC / INFINEON MODULE
BSM300GA170DN2 EUPEC / INFINEON MODULE
BSM300GA170DN2S EUPEC / INFINEON MODULE
BSM300GA170DN2S-E3256 EUPEC / INFINEON MODULE BSM300GA170DN2SE3256
BSM300GAL120DLC EUPEC MODULE
BSM300GAL120DN2 EUPEC MODULE
BSM300GB1200DLCE3256 EUPEC MODULE BSM300GB1200DLC-E3256
BSM300GB120DLC-E3256 EUPEC / INFINEON MODULE BSM300GB120DLCE3256
BSM300GB120DN2 EUPEC MODULE