福建中立恒自動(dòng)化設(shè)備有限公司

1．輸入/輸出單元

輸入/輸出單元通常也稱I/O單元或I/O模塊，是PLC與工業(yè)生產(chǎn)現(xiàn)場(chǎng)之間的連接部件。

PLC通過(guò)輸入接口可以檢測(cè)被控對(duì)象的各種數(shù)據(jù)，以這些數(shù)據(jù)作為PLC對(duì)被控制對(duì)象進(jìn)行控制的依據(jù)；同時(shí)PLC又通過(guò)輸出接口將處理結(jié)果送給被控制對(duì)象，以實(shí)現(xiàn)控制目的。

由于外部輸入設(shè)備和輸出設(shè)備所需的信號(hào)電平是多種多樣的，而PLC內(nèi)部CPU的處理的信息只能是標(biāo)準(zhǔn)電平，所以I/O接口要實(shí)現(xiàn)這種轉(zhuǎn)換。

I/O接口一般都具有光電隔離和濾波功能，以提高PLC的抗干擾能力。另外，I/O接口上通常還有狀態(tài)指示，工作狀況直觀，便于維護(hù)。

PLC提供了多種操作電平和驅(qū)動(dòng)能力的I/O接口，有各種各樣功能的I/O接口供用戶選用。I/O接口的主要類型有：數(shù)字量（開關(guān)量）輸入、數(shù)字量（開關(guān)量）輸出、模擬量輸入、模擬量輸出等。

常用的開關(guān)量輸入接口按其使用的電源不同有三種類型：直流輸入接口、交流輸入接口和交/直流輸入接口。

常用的開關(guān)量輸出接口按輸出開關(guān)器件不同有三種類型：是繼電器輸出、晶體管輸出和雙向晶閘管輸出。

繼電器輸出接口可驅(qū)動(dòng)交流或直流負(fù)載，但其響應(yīng)時(shí)間長(zhǎng)，動(dòng)作頻率低；而晶體管輸出和雙向晶閘管輸出接口的響應(yīng)速度快，動(dòng)作頻率高，但前者只能用于驅(qū)動(dòng)直流負(fù)載，后者只能用于交流負(fù)載。

PLC的I/O接口所能接受的輸入信號(hào)個(gè)數(shù)和輸出信號(hào)個(gè)數(shù)稱為PLC輸入/輸出（I/O）點(diǎn)數(shù)。I/O點(diǎn)數(shù)是選擇PLC的重要依據(jù)之一。當(dāng)系統(tǒng)的I/O點(diǎn)數(shù)不夠時(shí)，可通過(guò)PLC的I/O擴(kuò)展接口對(duì)系統(tǒng)進(jìn)行擴(kuò)展。

2．通信接口

PLC配有各種通信接口，這些通信接口一般都帶有通信處理器。

PLC通過(guò)這些通信接口可與監(jiān)視器、打印機(jī)、其它PLC、計(jì)算機(jī)等設(shè)備實(shí)現(xiàn)通信。

PLC與打印機(jī)連接，可將過(guò)程信息、系統(tǒng)參數(shù)等輸出打??；與監(jiān)視器連接，可將控制過(guò)程圖像顯示出來(lái)；與其它PLC連接，可組成多機(jī)系統(tǒng)或連成網(wǎng)絡(luò)，實(shí)現(xiàn)更大規(guī)?？刂?。

與計(jì)算機(jī)連接，可組成多級(jí)分布式控制系統(tǒng)，實(shí)現(xiàn)控制與管理相結(jié)合。遠(yuǎn)程I/O系統(tǒng)也必須配備相應(yīng)的通信接口模塊。

3．智能接口模塊

智能接口模塊是一獨(dú)立的計(jì)算機(jī)系統(tǒng)，它有自己的CPU、系統(tǒng)程序、存儲(chǔ)器以及與PLC系統(tǒng)總線相連的接口。

它作為PLC系統(tǒng)的一個(gè)模塊，通過(guò)總線與PLC相連，進(jìn)行數(shù)據(jù)交換，并在PLC的協(xié)調(diào)管理下獨(dú)立地進(jìn)行工作。

PLC的智能接口模塊種類很多，如：高速計(jì)數(shù)模塊、閉環(huán)控制模塊、運(yùn)動(dòng)控制模塊、中斷控制模塊等。

以下鏈接皆有貨

Turck Bi3U-M12-AN6X-H1141 Inductive Proximity Sensor, 3mm,10-30VDC, NPN N/O

Turck Bi3U-M12-AP6X 1634100 Inductive Sensor, PNP-NO, M12 x 1,3mm Switching

Turck BI4-EM12-AP6X-H1141 Inductive Sensor, 4mm Range, M12 x 1,10-30VDC, NC PNP

Turck BI4-GT12H-ADZ32X-B3131 Inductive Proximity Sensor, 4mm20-250VAC/10-300VDC

Turck Bi4-M12-VN6X-H1141 Inductive Proximity Sensor, 4mm,10-30VDC, NPN

TURCK BI4-M12-VP6X-H1141 Inductive Sensor, M12 4-Pin, 10-30VDC,PNP Out

Turck Bi5-EG18-AP6X Inductive Proximity Sensor Switch, 5mm,10-30VDC, PNP-NO

Turck Bi5-G18-AP6X-B1341 Inductive Proximity Sensor, 5mm,10-30VDC, PNP N/O

Turck Bi5-G18-AZ3X Inductive Proximity Sensor, 5mm, 20-250VAC,5-500mA, M18, 2m

TURCK BI5-G18-AZ3X-B1331 437200 Inductive Proximity Sensor 5mmRange, 20-250VAC

Turck Bi5-G18-AZ3X-B1431 Inductive Proximity Sensor, 5mm,20-250VAC, 5-500mA

Turck Bi5-G18-RZ3X Inductive Proximity Sensor, 5mm, 20-250VAC,0.5A, M18

Turck Bi5-G18-RZ3X-B1331 Inductive Proximity Sensor, 5mm,20-250VAC, 7/8-16UN

Turck Bi5-G18SK-AP6X2 Inductive Proximity Sensor, 5mm, 10-30VDC,200mA

Turck Bi5-GT18-ADZ30X2-B1331/S34 Inductive Proximity Sensor,5mm, 20-250VAC/DC

Turck Bi5-GT18-ADZ30X2-B3331/S34 Inductive Proximity Sensor,5mm, 20-250VAC/DC

Turck Bi5-M18-AD4X-H1141 Inductive Proximity Sensor, 5mm,10-65VDC, 4-Pin M12

Turck Bi5-M18-AD4X-H1141 Inductive Proximity Sensor, 5mm,10-65VDC, M12 4-Pin

Turck Bi5-M18-AN6X-H1141 Inductive Proximity Sensor, 5mm,10-30VDC, NPN N/O

Turck Bi5-M18-AP6X2/S1023 Inductive Proximity Sensor, 5mm,10-30VDC, PNP, 7m

Turck Bi5-M18L-AP6X-H1141/S34 Inductive Proximity Sensor, 5mm,10-30VDC, PNP N/O

Turck BI5-M18-RN6X Proximity Sensor 5 mm Sensing Distance NPN NCInductive

Turck Bi5-M18T-AZ3X Inductive Proximity Sensor, 5mm, 20-250VAC,M18, 3-Wire

Turck BI5-M18-VN4X-H1141 Inductive Proximity Sensor, 5mm,10-65VDC, NPN, M12

Turck Bi5-M18-Y0X-H1141 Inductive Proximity Sensor, 5mm, 15V60mA, 4-Pin M12

Turck Bi5-M18-Y0X-H1141 Inductive Proximity Sensor, 5mm, 8.2VDC,4-Pin M12

Turck Bi5-P18-AZ3X-B2331 Inductive Proximity Sensor, 5mm,20-250VAC, 5-500mA

Turck Bi5-P18SK-AP6X2 Inductive Proximity Sensor, 5mm, 10-30VDC,200mA

Turck BI5-G3M 1608997 Inductive Sensor10-30VDC, NO PNP, 5mm Sn

Turck Bi5- Inductive Proximity Sensor, 5mm,10-30VDC, 200mA

Turck Bi5- Inductive Proximity Sensor, 5mm Range,10-30VDC 200mA

Turck BI5-S18-AD4X Proximity Sensor, 5mm Range, 2 Wire 10 - 65vDC, 18mm Housing

Turck BI5-S18-AD4X-H1141 Inductive Proximity Sensor, 5mm,10-65VDC, 4-Pin M12

Turck BI5-S18-AD4X-H1141 Inductive Proximity Sensor, 5mm,10-65VDC, M12 4-Pin

Turck Bi5-S18-AP6X Inductive Proximity Sensor, 5mm, 10-30VDC200mA, 3-Wire, PNP

Turck Bi5-S18-AP7X/S100 Inductive Proximity Sensor, 5mm,10-30VDC, PNP N/O

Turck BI5-S18-RZ3X Inductive Proximity Sensor 50mm 20-250VAC10-300VDC Range 5mm

Turck Bi5U-EM18-AP4X-H1141 Inductive Proximity Sensor, 5mm,10-65VDC, PNP N/O

Turck Bi5U-EM18-AP6X-H1141 Proximity Sensor NO-PNP, 5mm Range,M12 4-Pin, M18

Turck Bi5U-EM18H-AP6X2-H1141/S395 Inductive Proximity Sensor,5mm, 10-30VDC, PNP

Turck Bi5U-GT18-ADZ30X2-B3331 Inductive Proximity Sensor, 5mm,M18, 1/2-20UNF

Turck Bi5U-M18-AN4X Inductive Proximity Sensor, 5mm, 10-65VDC200mA, NPN

Turck Bi5U-M18-AN4X-H1141 Inductive Proximity Sensor, 5mm,10-65VDC 200mA, NPN

Turck Bi5U-M18-AP4X-H1141 Inductive Proximity Sensor, 5mm,10-65VDC 200mA, PNP

Turck Bi5U-M18-AP6X2-H1141 Inductive Proximity Sensor, 5mm,10-30VDC, PNP N/O

Turck Bi5U-M18-AP6X-H1141 Inductive Proximity Sensor, 5mm,10-30VDC, PNP N/O

Turck BI5U-,7-PSG3M Inductive Sensor M8 3-P Male toSensor, 10-30VDC

Turck Bi7-EM18WD-AN6X-H1141 Inductive Proximity Sensor, 7mm,10-30VDC, NPN N/O

Turck Bi7- Inductive Proximity Sensor, 7mm, 10-30VDC,PNP, 3-Pin

Turck Bi8-G18-AN6X Inductive Proximity Sensor, 8mm, 10-30VDC,200mA, NPN N/O

Turck Bi8U-EM18WD-AP6X Proximity Sensor 10-30VDC 200mA N.O PNP,8mm, M18

Turck Bi-GT18-ADZ30X2-B1331/S34 Proximity Sensor 5mm Range20-250VAC 10-300VDC

Turck BIM-AKT-AD4X Magnetic Proximity Sensor 10-65 VDC 100mA NOContact 2 Wire

 Turck BIM-AKT-Y1X/7M Proximity Sensor

Turck BIM-IKM-AP6X2-H1141/S34 Magnetic Field Sensor, 10-30VDC,200mA, PNP N/O

Turck BIM-INR-AP6X Magnetic Field Sensor, 10-30VDC 100mA, PNPN/O, C-Groove

Turck BIM-INT-AP6X-V1131 Proximity Sensor 10-30 VDC 200 mA 3Wire NO Contact PNP

Turck BIM-INT-AP6X-V1131 Proximity Sensor 10-30 VDC 200 mAW/Sensor Cordset

Turck BIM-KST-AP6X Magnetic Field Sensor 10-30 VDC 3-Wire NOContact PNP

Turck BIM-PSM-AN6X Magnetic Field Sensor 10-30 VDC 200mA NOContact NPN

Turck BIM-PST-AP6X-V1131 Magnetic Field Sensor, 10-30VDC 200mA,M8 3-Pin Male

Turck BIM-UNR-AP6X-0.3-PSG3M W/M Magnetic Field Sensor,11-30VDC, PNP N/O

Turck BIM-UNT-AP6X Magnetic Field Sensor, PNP-NO, 4-Pin M12Male, 10-30VDC, 0.3m

Turck BIM-UNT-AP6X-0.2M-RS 4T Magnetic Cylinder Sensor, PNP,10-30VDC, 0.2M, M12

Turck BKM 14-000-5/S101 Cordset, 14-Pin M16 Female to FlyingLeads, 5m Long

Turck BKMK 14-755-5/S653/S771 Cordset 14 Pin M16 FemaleVersafast 30VAC/VDC 3A

Turck BKMV 19-995-10 Actuator And Sensor Cordset 30V 3A 19 PinFemale M16

Turck BL20-16DI-24VDC-P PLC Digital Input Module, 16-Point,24VDC, PNP

Turck BL20-16DO-24VDC-0.5A-P PLC Digital Output Module,16-Point, 24VDC, PNP

Turck BL20-2RFID-A Extension Module BL Ident Head GatewayInterface, 24VDC, 2CH

Turck BL20-32DI-24VDC-P PLC Digital Input Module, 32-Point,24VDC, PNP

Turck BL20-32DO-24VDC-0.5A-P PLC Digital Output Module,32-Point, 24VDC, PNP

Turck BL20-E-GW-EC EtherCAT Gateway, For BL20 I/O System, 24VDC,10-100Mbps

Turck BL20-E-GW-EN 6827329 Multiprotocol Ethernet InterfaceModule, 24VDC

Turck BL20-E-GW-EN-IP Gateway, For BL20 I/O System, 24VDC,10-100Mbps, RJ45

Turck BL20-GW-EN-IP Gateway For BL20 I/O System, 24VDC,10-100Mbps, 1x RJ45

Turck BL67-2RFID-A HF/UHF Read/Write Head Interface, 2-Channel,on Base Module

Turck BL67-PG-EN CODESYS 2 Programmable Gateway Ethernet/RS232Modbus Interface

Turck BSM 12-001-3 Connector Cable M16 Versafast 12 Pin Male toLeads, 3m Length

Turck BSM 14-755-5 Cordset 30VAC/VDC 3A, 5.5m (18ft) 14 Pin M16Versafast Male

Turck BSM 34-198 U10778 PowerFast Cordset 3-Pin M16 Male 600VAC/DC 15A, 0.5m

Turck BSM BKM 44-193-1.2 Double-ended Cordset 600VAC, 15A, 4 PinMale to Female

Turck BSM BKM 44-193-2 Double-Ended Cordset Male Connector toFemale Connector

Turck BSM BKM 44-193-3.5 Double-Ended Cordset Male Connector toFemale Connector

Turck BSMV 19-995-10 Single Ended Mating Cable Cordset 30VAC/VDC3A 19 Pin M16

Turck BSWM BKM 19-995-10 Extension Cordset, M16 Versafast19-Pin, 30V 3A, 10m

Turck BSWM BKM 19-995-30 Cordset M16 19-Pin Male Right Angle toFemale Straight

Turck BSWM BKM 19-995-5 Extension Cordset, M16 Versafast 19-Pin,30V 3A, 5m