HMI是人機(jī)界面的簡(jiǎn)寫，它為PLC控制系統(tǒng)、I/O或者其他控制系統(tǒng)提供一個(gè)人性化的操作界面，而人機(jī)界面則通過RS232、485、MODBUS、CAN總線等協(xié)議與這些控制系統(tǒng)交互數(shù)據(jù)與控制信號(hào)。由于這種交互是實(shí)時(shí)的，這就使得HMI(人機(jī)界面)實(shí)現(xiàn)了下面的關(guān)鍵功能：
1、實(shí)時(shí)監(jiān)控PLC、I/O的運(yùn)行，并在HMI上形象地顯示出來;
2、操作者可以通過HMI向自動(dòng)化設(shè)備發(fā)出控制信號(hào)，使得自動(dòng)化設(shè)備可以按照操縱者的意圖運(yùn)行。
人機(jī)界面(HMI)的應(yīng)用域決定了它必須具備下列特性：
1. 人機(jī)界面(HMI)必須具備和各種自控設(shè)備交互數(shù)據(jù)的能力，這需要HMI集成各種型號(hào)的PLC、I/O、各種總線協(xié)議等自控設(shè)備的通信協(xié)議;
2. 人機(jī)界面(HMI)應(yīng)該提供一個(gè)工具軟件，供客戶開發(fā)基于特定控制系統(tǒng)定制相應(yīng)的應(yīng)用;
3. 人機(jī)界面(HMI)必須是工業(yè)的產(chǎn)品，能夠適應(yīng)工業(yè)應(yīng)用環(huán)境，具有可靠的質(zhì)量和的性能。
Allen Bradley 190S-ANDJ2-CB25C Compact Starter 1.6-2.5 A 24 VDC 140M-C2E-B25
Allen Bradley 190S-ANDJ2-CB16 Compact Motor Starter 24 VDC 1-1.6 A 140M-C2E-B16
Allen Bradley 190S-AND2-CC10C-KY-S11-V 110/120 VAC 100-C09 190SAND2CC10CKYS11V
Allen Bradley 1794-OB32P 24 VDC 32 Point Output Module Ser A Rev A01 1794OB32P
Allen Bradley 1794-OB32P 24 VDC 32 Point Output Module Ser A 1794OB32P
Allen Bradley 1794-IE4X0E2 Flex I/O Analog Combo Ser B Rev B03 1794-IE4XOE2
Allen Bradley 1791-OB32 Ser. B Distributed VDC Output Module 1791OB32
Allen Bradley 1791DS-IB16 DeviceNet Safety I/O Module 1791DSIB16
Allen Bradley 1791DS-IB16 DeviceNet Safety I/O Module 1791DSIB16
Allen Bradley 1790D-TN4V0 Ser A Rev B01 4 Inputs Analog Voltage 1790DTN4V0 TN4VO
Allen Bradley 1785-ME32/A Rev. G01 32k EEPROM Memory Cartridge PLC5 1785ME32A
Allen Bradley 1785-LT/B PLC 5/15 Processor Ser B F/W Rev. T 1785LT
Allen Bradley 1785-L60B/E Enhanced PLC-5 Controller F/W Rev. K.2 Ser E
Allen Bradley 1785-L40B/E PLC 5/40 Processor Ser E F/W Rev. D Rev J01 1785L40B E
Allen Bradley 1785-L40B/E Enhanced PLC-5 Controller Ser E F/W Rev. K.2 1785L40B
Allen Bradley 1785-L40B/E Enhanced PLC-5 Controller F/W Rev. J Rev X02 1785L40B
Allen Bradley 1785-L11B C PLC 5/11 Processor Ser C F/W Rev. E 1785L11B C
Allen Bradley 1783-LMS8 Stratix 2500 8 Port Ethernet Switch Ser A 1783LMS8
Allen Bradley 1783-LMS5 Stratix 2500 5 Port Ethernet Switch Ser A 1783LMS5
Allen Bradley 1772-LXP Mini-PLC-2/16 Processor Ser C F/W G 1772LXP
Allen Bradley 1771-NBV1/C High Res. Isolated Analog Ser C Rev A01 F/W A 1771NBV1
Allen Bradley 1771-NBV1 A High Res. Isolated Analog Ser A F/W D 1771NBV1
Allen Bradley 1771-LV PLC-2/15 Mini Processor Ser B Rev H 1771LV
Allen Bradley 1771-LV PLC-2/15 Mini Processor Ser B Rev 5 1771LV
Allen Bradley 1771-LV PLC-2/15 Mini Processor Ser B 1771LV
Allen Bradley 1771-LV PLC-2/15 Mini Processor Ser A Rev P 1771LV
Allen Bradley 1771-IX Thermocouple Input Module 1771IX
Allen Bradley 1771-IR/D G02 Rev. B RTD Input Module 1771IR 1771IRD
Allen Bradley 1771-IR C Ser C F/W Rev. B RTD Input Module PLC 5 1771IR
Allen Bradley 1771-DCM/B Direct Communication Module Series B Rev C01 1771DCM
Allen Bradley 1771-DCM/B Direct Communication Module Ser B Rev B07 F/W H 1771DCM
Allen Bradley 1769-PA2 Ser A Rev 3 Power Supply Module 1769PA2
Allen Bradley 1769-OF8V Ser A F/W 2.1 CompactLogix Analog Voltage Output Module
Allen Bradley 1769-OF2 Ser B Rev 1 F/W 2.1 CompactLogix Analog Output 1769OF2
Allen Bradley 1769-IQ32 Ser A Rev. 1 32 Pt. Input Module 10-30 VDC 1769IQ32
Allen Bradley 1769-IA16 Ser. A Rev. 2 F/W 3.1 16 Pt Input Module 115 VAC 1769
Allen Bradley 1769-IA16 Ser. A Rev. 1 16 Pt Input Module 115 VAC 1769IA16 1769
Allen Bradley 1768-PB3/A Ser. A 24 VDC Power Supply CompactLogix 1768PB3
Allen Bradley 1768-PA3 A Ser. A Rev B01 Power Supply CompactLogix 1768PA3
Allen Bradley 1764-LSP Micrologix 1500 Processor Ser C Rev F FRN 11 1764LSP (TSC
Allen Bradley 1764-LSP Micrologix 1500 Processor Ser C Rev A FRN 6 1764LSP
Allen Bradley 1764-LSP Micrologix 1500 Processor Ser B Rev C FRN 5 1764LSP
Allen Bradley 1764-LRP Micrologix 1500 Processor Ser C Rev F FRN 11 1764LRP
Allen Bradley 1764-LRP Micrologix 1500 Processor Ser C Rev E FRN 10 1764LRP
Allen Bradley 1764-LRP Micrologix 1500 Processor Ser C Rev C FRN 8 1764LRP
Allen Bradley 1764-LRP Micrologix 1500 Processor Ser C Rev A FRN 6 1764LRP
Allen Bradley 1764-24BWA Micrologix 1500 Base Unit Ser B Rev A 176424BWA
Allen Bradley 1762-OA8 Micrologix 1200 Output Ser. A Rev B 1762OA8 1762
Allen Bradley 1762-L40BXBR Micrologix 1200 Ser. C Rev H FRN 11 1762L40BXBR
Allen Bradley 1762-L40BXBR Micrologix 1200 Ser. C Rev 9 FRN 11 1762L40BXBR
Allen Bradley 1762-L40BWAR Micrologix 1200 Ser C Rev I FRN. 12 1762L40BWAR
Allen Bradley 1762-IA8 Micrologix 1200 120 VAC Input Module Ser. A Rev B 1762IA8
Allen Bradley 1761-L16BWB Micrologix 1000 Ser. E FRN. 1.0 1761L16BWB
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