詳細(xì)參數(shù) |
---|
1746-OW16 輸出模塊1746-OW16
基本結(jié)構(gòu)
PLC實(shí)質(zhì)是一種*于工業(yè)控制的計(jì)算機(jī),其硬件結(jié)構(gòu)基本上與微型計(jì)算機(jī)相同,基本構(gòu)成為:
a、電源
PLC的電源在整個(gè)系統(tǒng)中起著十分重要的作用。如果沒有一個(gè)良好的、可靠的電源系統(tǒng)是無法正常工作的,因此PLC的制造商對(duì)電源的設(shè)計(jì)和制造也十分重視。
一般交流電壓波動(dòng)在+10%(+15%)范圍內(nèi),可以不采取其它措施而將PLC直接連接到交流電網(wǎng)上去
b. *處理單元(CPU)
*處理單元(CPU)是PLC的控制**。它按照PLC系統(tǒng)程序賦予的功能接收并存儲(chǔ)從編程器鍵入的用戶程序和數(shù)據(jù);檢查電源、存儲(chǔ)器、I/O以及警戒定時(shí)器的狀態(tài),
并能診斷用戶程序中的語(yǔ)法錯(cuò)誤。當(dāng)PLC投入運(yùn)行時(shí),**它以掃描的方式接收現(xiàn)場(chǎng)各輸入裝置的狀態(tài)和數(shù)據(jù),并分別存入I/O映象區(qū),
然后從用戶程序存儲(chǔ)器中逐條讀取用戶程序,經(jīng)過命令解釋后按指令的規(guī)定執(zhí)行邏輯或算數(shù)運(yùn)算的結(jié)果送入I/O映象區(qū)或數(shù)據(jù)寄存器內(nèi)。
等所有的用戶程序執(zhí)行完畢之后,后將I/O映象區(qū)的各輸出狀態(tài)或輸出寄存器內(nèi)的數(shù)據(jù)傳送到相應(yīng)的輸出裝置,如此循環(huán)運(yùn)行,直到停止運(yùn)行。
為了進(jìn)一步提高PLC的可靠性,近年來對(duì)大型PLC還采用雙CPU構(gòu)成冗余系統(tǒng),或采用三CPU的表決式系統(tǒng)。這樣,即使某個(gè)CPU出現(xiàn)故障,整個(gè)系統(tǒng)仍能正常運(yùn)行。
c、存儲(chǔ)器
存放系統(tǒng)軟件的存儲(chǔ)器稱為系統(tǒng)程序存儲(chǔ)器。
存放應(yīng)用軟件的存儲(chǔ)器稱為用戶程序存儲(chǔ)器。
d、輸入輸出接口電路
1、現(xiàn)場(chǎng)輸入接口電路由光耦合電路和微機(jī)的輸入接口電路,作用是PLC與現(xiàn)場(chǎng)控制的接口界面的輸入通道。
2、現(xiàn)場(chǎng)輸出接口電路由輸出數(shù)據(jù)寄存器、選通電路和中斷請(qǐng)求電路集成,作用PLC通過現(xiàn)場(chǎng)輸出接口電路向現(xiàn)場(chǎng)的執(zhí)行部件輸出相應(yīng)的控制信號(hào)。
e、功能模塊
如計(jì)數(shù)、定位等功能模塊
f、通信模塊
如以太網(wǎng)、RS485、Profibus-DP通訊模塊等
工作原理編輯
一. 掃描技術(shù)
當(dāng)PLC投入運(yùn)行后,其工作過程一般分為三個(gè)階段,即輸入采樣、用戶程序執(zhí)行和輸出刷新三個(gè)階段。完成上述三個(gè)階段稱作一個(gè)掃描周期。
在整個(gè)運(yùn)行期間,PLC的CPU以一定的掃描速度重復(fù)執(zhí)行上述三個(gè)階段。
(一) 輸入采樣階段 在輸入采樣階段,PLC以掃描方式依次地讀入所有輸入狀態(tài)和數(shù)據(jù),并將它們存入I/O映象區(qū)中的相應(yīng)得單元內(nèi)。
輸入采樣結(jié)束后,轉(zhuǎn)入用戶程序執(zhí)行和輸出刷新階段。在這兩個(gè)階段中,即使輸入狀態(tài)和數(shù)據(jù)發(fā)生變化,I/O映象區(qū)中的相應(yīng)單元的狀態(tài)和數(shù)據(jù)也不會(huì)改變。
因此,如果輸入是脈沖信號(hào),則該脈沖信號(hào)的寬度必須大于一個(gè)掃描周期,才能保證在任何情況下,該輸入均能被讀入。
可編程控制器是一種數(shù)字運(yùn)算操作的電子系統(tǒng),專門在工業(yè)環(huán)境下應(yīng)用而設(shè)計(jì)。它采用可以編制程序的存儲(chǔ)器,用來在執(zhí)行存儲(chǔ)邏輯運(yùn)算和順序控制 定時(shí) 計(jì)數(shù)和算術(shù)運(yùn)算等操作的指令,并通過數(shù)字或模擬的輸入(I)和輸出(O)接口,控制各種類型的機(jī)械設(shè)備或生產(chǎn)過程
可編程邏輯控制器(PLC)的定義 可編程邏輯控制器簡(jiǎn)稱PLC(英文全稱:Programmable Logic Controller)。隨著科學(xué)技術(shù)的發(fā)展,為適應(yīng)多品種,小批量生產(chǎn)的需求而產(chǎn)生發(fā)展起來的一種新型的工業(yè)控制裝置。
1.現(xiàn)場(chǎng)輸入接口電路由光耦合電路和微機(jī)的輸入接口電路,作用是PLC與現(xiàn)場(chǎng)控制的接口界面的輸入通道。
2.現(xiàn)場(chǎng)輸出接口電路由輸出數(shù)據(jù)寄存器 選通電路和中斷請(qǐng)求電路集成,作用PLC通過現(xiàn)場(chǎng)輸出接口電路向現(xiàn)場(chǎng)的執(zhí)行部件輸出相應(yīng)的控制信號(hào)。
常用的I/O分類如下:
開關(guān)量:按電壓水平分,有22-VAC 11-VAC 24VDC,按隔離方式分,有繼電器隔離和晶體管隔離。
模擬量:按信號(hào)類型分,有電流型(4-2-mA,--2-mA) 電壓型(--1-V,--5V,-1--1-V)等,按精度分,有12bit,14bit,16bit等。除了上述通用IO外,還有特殊IO模塊,如熱電阻 熱電偶 脈沖等模塊。
按I/O點(diǎn)數(shù)確定模塊規(guī)格及數(shù)量,I/O模塊可多可少,但其大數(shù)受CPU所能管理的基本配置的能力,即受大的底板或機(jī)架槽數(shù)限制。
1734-TB3S PLC POINT I/O Terminal Base
1734-TBCJC PLC POINT I/O Terminal Base
1734-TBS PLC POINT I/O Terminal Base
1734-TOP PLC POINT I/O Terminal Base
1734-TOP3 PLC POINT I/O Terminal Base
1734-TOP3S PLC POINT I/O Terminal Base
1734-TOPS PLC POINT I/O Terminal Base
1734-VHSC24 PLC POINT I/O Very High Speed Counter Module
1734-VHSC5 PLC POINT I/O Very High Speed Counter Module
1734-VTM PLC POINT I/O Voltage Terminal Module
1738-232ASCM12 PLC ArmorPoint ASCII Interface
1738-48SCM12 PLC ArmorPoint ASCII Interface
1738-8CFGDLXM12 PLC ArmorPoint 8 Point Combination Module
1738-8CFGDLXM23 PLC ArmorPoint Combination Module
1738-8CFGDLXM8 PLC ArmorPoint Combination Module
1738-8CFGM12 PLC ArmorPoint 8 Point Combination Module
1738-8CFGM23 PLC ArmorPoint 8 Point Combination Module
1738-8CFGM8 PLC ArmorPoint 8 Point Combination Module
SK-G1-QOUT1-F910 PowerFlex 700 Power Module Kit
SK-G1-RB1-F8 PowerFlex 700 Kit Balancing Resistor
SK-G1-RB1-F910 PowerFlex 700 Kit Balancing Resistor
SK-G1-SCR1-F10 PowerFlex 700 Converter Power Module Kit
SK-G1-SCR1-F7 PowerFlex 700 Converter Power Module Kit
SK-G1-SCR1-F89 PowerFlex 700 Converter Power Module Kit
SK-G1-SCR2-F7 PowerFlex 700 SCR Power Module Kit
SK-G1-SCR2-F89 PowerFlex 700 SCR Power Module Kit
SK-G1-SCRSNUBRB PowerFlex 700 SCR Snubber Kit
SK-G1-SCVR1-F1 PowerFlex 700S Front Cover Kit
SK-G1-SCVR2 FRAME 2,3,AND 4 COVER KIT,POWERFLEX 700S
SK-G1-THM1-F10 PowerFlex 700 Thermal Detector Kit
SK-G1-THM1-F7 PowerFlex 700 Thermal Detector Kit
SK-G1-THM1-F89 PowerFlex 700 Thermal Detector Kit
SK-G9-CPLT1-F0 PowerFlex 700 Frame Size 0 Plate Kit
SK-G9-CPLT1-F1 PowerFlex 700 Conduit Plate Kit
SK-G9-CPLT1-F2 PowerFlex 700 Size 2 Frame Plate Kit
SK-G9-CPLT1-F3 PowerFlex 700 Size 3 Frame Plate Kit
2711P-B10C4D8 PanelView Plus Terminal
2711P-B10C4D9 PanelView Plus Terminal
2711P-B12C4A8 PanelView Plus Terminal
2711P-B12C4A9 PanelView Plus Terminal
2711P-B12C4D8 PanelView Plus Terminal
2711P-B12C4D9 PanelView Plus Terminal
2711P-B15C22A9P PanelView Plus 7 Graphic Terminal
2711P-B15C22A9P-B PanelView Plus 7 Graphic Terminal
2711P-B15C22D9P PanelView Plus 7 Graphic Terminal
2711P-B15C22D9P-B PanelView Plus 7 Graphic Terminal
2711P-B15C4A8 PanelView Plus Terminal
2711P-B15C4A9 PanelView Plus Terminal
2711P-B15C4D8 PanelView Plus Terminal
2711P-B15C4D9 PanelView Plus Terminal
2711P-B4C20A8 PanelView Plus 6 Graphic Terminal
2711P-B4C20D8 PanelView Plus 6 Graphic Terminal
2711P-B4C8 PanelView Plus 6 Graphic Terminal
2711P-B4C5D8 PanelView Plus 6 Graphic Terminal
2711P-B6C1A PanelView Plus 6 Graphic Terminal
2711P-B6C20A8 PanelView Plus 6 6 Color Key/Touch AC
2711P-B6C20A9 PanelView Plus 6 Graphic Terminal
2711P-B6C20D8 PV Plus 6 600 Color Key Touch Terminal
2711P-B6C20D9 PanelView Plus 6 Graphic Terminal
2711P-B6C8 PanelView Plus 6 6 Clr/Touch AC RS232
2711P-B6C9 PanelView Plus 6 Graphic Terminal
2711P-B6C5D8 PanelView Plus 6 Graphic Terminal
2711P-B6C5D9 PanelView Plus 6 Graphic Terminal
2711P-B6M20A8 PanelView Plus 6 6 Grey Key/Touch AC
2711P-B6M20D8 PanelView Plus 6 Graphic Terminal
2711P-B6M8 PanelView Plus 6 6 Gray/Touch AC RS232
2711P-B6M5D8 PanelView Plus 6 6 Gray/Touch DC RS232
SK-20P-S818G PowerFlex DC Drive Spare Part
SK-20P-S819G PowerFlex DC Drive Spare Part
SK-20P-S81ERA PowerFlex DC Drive Spare Part
SK-20P-S81N1RA PowerFlex DC Drive Spare Part
SK-20P-S81N2RA PowerFlex DC Drive Spare Part
SK-20P-S81N3RA PowerFlex DC Drive Spare Part
SK-20P-S81N4RA PowerFlex DC Drive Spare Part
SK-20P-S81N5RA PowerFlex DC Drive Spare Part
SK-20P-S81N6RA PowerFlex DC Drive Spare Part
SK-20P-S81N7RA Ckt bd conn., kit converter bd (12 chn)
SK-20P-S821B PowerFlex DC Drive Spare Part
SK-20P-S822Q PowerFlex DC Drive Spare Part
SK-20P-S823B PowerFlex DC Drive Spare Part
SK-20P-S823Q PowerFlex DC Drive Spare Part
SK-20P-S824B PowerFlex DC Drive Spare Part
SK-20P-S825B PowerFlex DC Drive Spare Part
SK-20P-S826B PowerFlex DC Drive Spare Part
SK-20P-S827B PowerFlex DC Drive Spare Part
SK-20P-S829B PowerFlex DC Drive Spare Part
SK-20P-S85B6 PowerFlex DC Drive Spare Part
SK-20P-S85B9 PowerFlex DC Drive Spare Part
SK-20P-S85C1 PowerFlex DC Drive Spare Part
SK-20P-S85C2 PowerFlex DC Drive Spare Part
SK-20P-S85C3 PowerFlex DC Drive Spare Part
SK-20P-S85C4 PowerFlex DC Drive Spare Part
SK-20P-S85C5 PowerFlex DC Drive Spare Part
SK-20P-S85C6 PowerFlex DC Drive Spare Part
SK-20P-S85C7 PowerFlex DC Drive Spare Part
SK-20P-S85C8 PowerFlex DC Drive Spare Part
SK-20P-S85C9 PowerFlex DC Drive Spare Part
SK-20P-S85D1 PowerFlex DC Drive Spare Part
SK-20P-S85D2 PowerFlex DC Drive Spare Part
SK-20P-S85D3 PowerFlex DC Drive Spare Part
SK-20P-S86C1 PowerFlex DC Drive Spare Part
SK-20P-S86C2 PowerFlex DC Drive Spare Part
SK-20P-S86C3 PowerFlex DC Drive Spare Part
SK-20P-S86URRA PowerFlex DC Drive Spare Part
SK-20P-S8827 PowerFlex DC Drive Spare Part
SK-20P-S8B19RA PowerFlex DC Drive Spare Part
SK-20P-S8B28 PowerFlex DC Drive Spare Part
SK-20P-S8B29 PowerFlex DC Drive Spare Part
2711P-RGK10 PV Plus 1000 Keypad Antiglare Overlay
2711P-RGK12 PV Plus 1250 Keypad Antiglare Overlay
2711P-RGK15 PV Plus 1500 Keypad Antiglare Overlay
2711P-RGK6 PanelView Plus Accessory
2711P-RGK7 PV Plus 700 Keypad Antiglare Overlay
2711P-RGST12W PanelView Plus 7 Accessory
2711P-RGST9W PanelView Plus 7 Accessory
2711P-RGT10 PV Plus 1000 Touch Antiglare Overlay
2711P-RGT10SP PanelView Plus 7 Accessory
2711P-RGT12 PV Plus 1250 Touch Antiglare Overlay
2711P-RGT12SP PanelView Plus 7 Protective Overlay
2711P-RGT15 PV Plus 1500 Touch Antiglare Overlay
2711P-RGT15SP PanelView Plus 7 Protective Overlay
2711P-RGT19P PanelView Plus 7 Protective Overlay
2711P-RGT4S PanelView Plus 7 Accessory
2711P-RGT6 PV Plus 600 Touch Antiglare Overlay
2711P-RGT6S PanelView Plus 7 Accessory
2711P-RGT7 PV Plus 700 Touch Antiglare Overlay
2711P-RGT7SP PanelView Plus 7 Accessory
2711P-RGT9SP PanelView Plus 7 Accessory
2711P-RL10C PanelView Plus Accessory
2711P-RL10C2 PanelView Plus Accessory
2711P-RL7C PanelView Plus Accessory
2711P-RL7C2 PanelView Plus Accessory
2711P-RMCP PanelView Plus 7 Accessory
2711P-RMCS PanelView Plus 7 Accessory
2711P-RN0 PanelView Plus Communication Module
2711P-RN10H PV Plus 700 to 1500 Dnet Comms Module
2711P-RN15S PV Plus 700 to 1500 CNet Comms Module
2711P-RN15SK PanelView Plus Communication Module
2711P-RN20 PV Plus 6 700 to 1500 ENet Comms Module
2711P-RN6 PV Plus 700 to 1500 DH Plus Module
150-C251NCD SMC-3 251A Smart Motor Controller
150-C25NBD SMC-3 2 Smart Motor Controller
150-C25NBD-NC SMC-3 25 A 150 Mtr Ctrl
150-C25NBR SMC-3 2 Smart Motor Controller
150-C25NCD SMC-3 2 Smart Motor Controller
150-C25NCR SMC-3 2 Smart Motor Controller
150-C30NBD SMC-3 30A Smart Motor Controller
150-C30NBD-NC SMC-3 30 A 150 Mtr Ctrl
150-C30NBR SMC-3 30A Smart Motor Controller
150-C30NCR SMC-3 30A Smart Motor Controller
150-C317NBD SMC-3 317A Smart Motor Controller
150-C317NBR SMC-3 317A Smart Motor Controller
150-C317NCD SMC-3 317A Smart Motor Controller
150-C361NBD SMC-3 361A Smart Motor Controller
150-C361NBR SMC-3 361A Smart Motor Controller
150-C361NCD SMC-3 361A Smart Motor Controller
150-C37NBD SMC-3 37A Smart Motor Controller
150-C37NBD-NC SMC-3 37 A 150 Mtr Ctrl
150-C37NBR SMC-3 37A Smart Motor Controller
150-C3NBD SMC-3 3A Smart Motor Controller
150-C3NBR SMC-3 3A Smart Motor Controller
150-C3NCD SMC-3 3A Smart Motor Controller
150-C43NBD SMC-3 43A Smart Motor Controller
150-C43NBD-NC SMC-3 43 A 150 Mtr Ctrl
150-C43NBR SMC-3 43A Smart Motor Controller
150-C43NCD SMC-3 43A Smart Motor Controller
150-C43NCR SMC-3 43A Smart Motor Controller
150-C480NBD SMC-3 480A Smart Motor Controller
150-C480NBR SMC-3 480A Smart Motor Controller
150-C480NCD SMC-3 480A Smart Motor Controller
150-C480NCR SMC-3 480A Smart Motor Controller
150-C60FBD Encl. SMC-3 60 A Smart Motor Controller
150-C60NBD SMC-3 60A Smart Motor Controller
150-C60NBD-NC SMC-3 60 A 150 Mtr Ctrl
150-C60NBR SMC-3 60A Smart Motor Controller
150-C60NCD SMC-3 60A Smart Motor Controller
150-C84 Smart Motor Controller Accessory
150-C84P Smart Motor Controller Accessory
150-C85NBD SMC-3 8 Smart Motor Controller
150-C85NBR SMC-3 8 Smart Motor Controller
150-C85NCD SMC-3 8 Smart Motor Controller
150-C86 SMC-3 Accessory
150-C9NBD SMC-3 9A Smart Motor Controller
150-C9NBR SMC-3 9A Smart Motor Controller
150-C9NCD SMC-3 9A Smart Motor Controller
150-CA01 Smart Motor Controller Accessory
150-CA11 Smart Motor Controller Accessory
150-CC25 SMC-3 Accessory
150-CF147 SMC-3 Accessory
150-CF45 SMC-3 Accessory
150-CF64 SMC-3 FAN
150-CI23 SMC-3 Accessory
150-CI37 SMC-3 Accessory
150-CS1AX SMC-3 Repair Part
150-CS1CX SMC-3 Repair Part
150-CS1DX SMC-3 Repair Part
150-CS1EX SMC-3 Repair Part
150-CS1FX SMC-3 Repair Part
150-CS1GX SMC-3 Repair Part
150-CS2FX SMC-3 Repair Part
150-F108NBD SMC Flex Smart Motor Controller
150-F108NBDB SMC Flex Smart Motor Controller
150-F108NBDD SMC Flex Smart Motor Controller
150-F108NBR SMC Flex Smart Motor Controller
150-F108NBRB SMC Flex Smart Motor Controller
150-F108NCD SMC Flex Smart Motor Controller
150-F108NZD SMC Flex Smart Motor Controller
150-F1250NBA SMC Flex Smart Motor Controller
150-F1250NBE SMC Flex Smart Motor Controller
150-F1250NBEB SMC Flex Smart Motor Controller
150-F1250NZA SMC Flex Smart Motor Controller
150-F135NBD SMC Flex Smart Motor Controller
150-F135NBDB SMC Flex Smart Motor Controller
150-F135NBDD SMC Flex Smart Motor Controller
150-F135NBR SMC Flex Smart Motor Controller
150-F135NBRD SMC Flex Smart Motor Controller
150-F135NCD SMC Flex Smart Motor Controller
800T-J41KC7 30mm Selector Switch 800T PB
800T-J41KC7A7 30mm Selector Switch 800T PB
800T-J41KC7ACJX 30mm Selector Switch 800T PB
800T-J41KC7BGXE 30mm Selector Switch 800T PB
800T-J41KC7CEXX 30mm Selector Switch 800T PB
800T-J41KC7CNXX 30mm Selector Switch 800T PB
800T-J41KC7EAXA 30mm Selector Switch 800T PB
800T-J41KC7EAXX 30mm Selector Switch 800T PB
800T-J41KD7 30mm Selector Switch 800T PB
800T-J41KD7AJXX 30mm Selector Switch 800T PB
800T-J41KD7DAXX 30mm Selector Switch 800T PB
800T-J41KE7 30mm Selector Switch 800T PB
800T-J41KE7AAMM 30mm Selector Switch 800T PB
800T-J41KE7BBNA 30mm Selector Switch 800T PB
800T-J41KE7CAXX 30mm Selector Switch 800T PB
800T-J41KE7NAXX 30mm Selector Switch 800T PB
800T-J41KH4AGXX 30mm Selector Switch 800T PB
800T-J41KH4EGEG 30mm Selector Switch 800T PB
800T-J41KH4EGXX 30mm Selector Switch 800T PB
800T-J41KH4NGAG 30mm Selector Switch 800T PB
800T-J41KU7 30mm Selector Switch 800T PB
800T-J42 30mm Selector Switch 800T PB
800T-J4203 30mm Selector Switch 800T PB
800T-J4203BP 30mm Selector Switch 800T PB
800T-J4203KC7CDXX 30mm Selector Switch 800T PB
800T-J4203KD7A 30mm Selector Switch 800T PB
800T-J4203KD7B 30mm Selector Switch 800T PB
800T-J4203KE7 30mm Selector Switch 800T PB
800T-J4203KE7BBNA 30mm Selector Switch 800T PB
1738-IT2IM12 ArmorPoint 2 Point Thermocouple Module
1738-IV8M12 ArmorPoint 8 Point Digital Input Module
1738-OA2M12AC3 ArmorPoint 2 Point Output Module