以前時(shí)間繼電器都是S5T#格式的，現(xiàn)在需要再觸摸屏上輸入單位S的時(shí)間數(shù)，不想自己編輯個(gè)處理塊，想問(wèn)下，有沒(méi)有現(xiàn)成的FC或FB塊，能有自動(dòng)格式轉(zhuǎn)化功能的？
答：從上位機(jī)寫(xiě)整型數(shù)INT或?qū)崝?shù)REAL到PLC，首先該數(shù)值需包含以毫秒為單位的時(shí)間值，在寫(xiě)入PLC的數(shù)據(jù)存儲(chǔ)區(qū)后，利用ITD（Integer to Double Integer）或RND（Real to Double Integer with Rounding Off）將該值轉(zhuǎn)換為雙整形，然后將該值寫(xiě)到類(lèi)型為T(mén)IME的變量里，在程序中調(diào)用FC40，將TIME轉(zhuǎn)換成S5TIME即可。
由HMI輸入秒數(shù)，在PLC中進(jìn)行換算：
秒數(shù)*1000 >>得到毫秒數(shù) >> FC40(TIM_S5TI) >> 轉(zhuǎn)換得到正確地S5TIME
1 前言
當(dāng)今社會(huì)處于信息時(shí)代，由于計(jì)算機(jī)技術(shù)尤其是網(wǎng)絡(luò)技術(shù)的發(fā)展，信息高速公路已經(jīng)將世界緊密的聯(lián)系在一起，在這種形勢(shì)下，利用信息技術(shù)將單機(jī)的計(jì)算機(jī)應(yīng)用擴(kuò)展為局域網(wǎng)內(nèi)的計(jì)算機(jī)應(yīng)用，進(jìn)一步擴(kuò)展為遠(yuǎn)程世界范圍內(nèi)的計(jì)算機(jī)廣域網(wǎng)控制系統(tǒng)，利用網(wǎng)絡(luò)數(shù)據(jù)庫(kù)進(jìn)行信息的實(shí)時(shí)更新和跟蹤共享，已經(jīng)成為當(dāng)前【地球村】環(huán)境下工業(yè)控制發(fā)展的必然趨勢(shì)。
隨著工業(yè)自動(dòng)化的要求不斷地提高，工業(yè)控制網(wǎng)絡(luò)需要一種高速廉價(jià)、實(shí)時(shí)性和開(kāi)發(fā)性好、穩(wěn)定性和準(zhǔn)確性高的網(wǎng)絡(luò)，而以太網(wǎng)正具備上述所有的優(yōu)勢(shì)特點(diǎn)，隨著它進(jìn)入工業(yè)控制領(lǐng)域，工業(yè)自動(dòng)化系統(tǒng)向著分布化、智能化發(fā)展的方向更進(jìn)一步，可以肯定，基于以太網(wǎng)技術(shù)的工業(yè)控制網(wǎng)絡(luò)將成為未來(lái)工業(yè)控制系統(tǒng)的發(fā)展方向，并將越來(lái)越廣泛應(yīng)用在現(xiàn)代化自動(dòng)系統(tǒng)的各個(gè)領(lǐng)域。
本文基于臺(tái)達(dá)的自動(dòng)化產(chǎn)品，提出了一種以D-LINK路由器、ADSL-MODEM及3G上網(wǎng)卡為基本配置，配合DVP28SV+DVPEN01-SLL實(shí)現(xiàn)PC與PLC之間的以太網(wǎng)遠(yuǎn)程通訊方案。對(duì)于同行的工業(yè)控制遠(yuǎn)程通信應(yīng)用，具備非常重要的應(yīng)用價(jià)值，值得行業(yè)借鑒。
2 系統(tǒng)框架
系統(tǒng)框架如圖1所示。
圖1 系統(tǒng)框架示意圖
系統(tǒng)采用DVP28SV主機(jī)+DVPEN01-SL臺(tái)達(dá)PLC以太網(wǎng)通信模塊，與D-LINK路由器、ADSL-MODEM依次連接到中國(guó)電信網(wǎng)絡(luò)服務(wù)商的服務(wù)器上，再通過(guò)上位PC機(jī)（通過(guò)3G上網(wǎng)卡連接）在網(wǎng)絡(luò)上的操作實(shí)現(xiàn)廣域以太網(wǎng)的遠(yuǎn)程通信。
3 系統(tǒng)設(shè)置
3.1 ADSL-MODEM配置
安裝ADSL-MODEM，向電信部門(mén)申請(qǐng)寬帶業(yè)務(wù)，索取上網(wǎng)賬號(hào)和密碼。保證PC1可直接通過(guò)ADSL-MODEM上的以太網(wǎng)口撥號(hào)登錄互聯(lián)網(wǎng)。
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【本公司主營(yíng)產(chǎn)品】
1：Invensys Foxboro（�？怂共_）：Westinghouse（西屋）Reliance瑞恩ABB：、Siemens(西門(mén)子)：Siemens MOORE，
2：GE FANUC(GE發(fā)那科)：模塊、Yaskawa（安川）：伺服控制器、Bosch Rexroth（博世力士樂(lè)）Woodward（伍德沃德）英維斯(TRICONEX)
3：Rockwell Allen-Bradley: Reliance瑞恩、貝加萊(B&R)， 歐姆龍(OMRON), KEBA， 安川(YASKAWA) 等品牌的停產(chǎn)備件。
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FANUC A16B-1211-0273 01A AXIS PC BOARD REPAIRED & TESTED 30 DAY WARRANTY
FANUC A16B121108604A A16B-1211-0860/04A 1 YEAR WARRANTY
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1 FANUC A16B-1211-0300 04A CIRCUIT BOARD
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Fanuc Motherboard #A16B-1000-0140/07A Master Mother Board A16B10000140
Fanuc F10M-T A16B-1210-0321 04A _ A16B-1210-0321/04A
FANUC A16B-1211-0090/09C Bubble Memory CIRCUIT BOARD
#SLS1J81 Fanuc A16B-1600-0160 01A #648SO
FANUC A16B-1212-0871
Fanuc Circuit Board A16B-1210-0470/03B
FANUC PCB Circuit I/O Board A16B-1212-0221/02A A16B1212022102A
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Enlarge
Fanuc Option Unit A13B-0040-C940_A13B0040C940_A13B-OO4O-C94O_A16B-1210-0480/02A
GE FANUC A16B-2200-0250 PC Board 4 Axes Control
GE Fanuc A16B-1810-0040/02A A16B1810004002A Circuit Board -
FANUC A16B-1300-0100/02A,A320-1300-T102/02 BOARD
FANUC ROBOTICS PSU B/ POWER SUPPLY BOARD A16B-1212-0871/16C A20B-8001-0123/03B
FANUC ROBOTICS POWER SUPPLY BOARD PCB A16B-1212-0871/18C *REPAIRED*
Fanuc PCB-F0 A16B-1212-0221 /02A but tested
A16B-1211-0860 FANUC
FANUC A16B-1210-0350/03A A320-1210-T354/02 A16B1210035003A TOYODA 32163
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Fanuc A16B-2200-0912/02A
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Fanuc PC Board Axis Control A16B-2200-0855/03B
FANUC A87L-0001-0105 or A16B-2201-0132 or A16B-2201-0130 F11/F12 BUBBLE MEMORY
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Fanuc A16B-2200-0912
Fanuc Power Supply NEW # A16B-1211-0060/11C P05
OEM GE Fanuc I/O Memory Board A16B-1212-0220 /08A C7 A16B 1212 0220 Working
Fanuc Circuit Control Board Part# A16B-2201-0071/06C!
資訊來(lái)源：漳州鼎晟達(dá)自動(dòng)化設(shè)備有限公司
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