| 6SL3210-1RE28-8UL0 西門子模塊 |
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價(jià)格：52 元(人民幣) | 產(chǎn)地：進(jìn)口 |
| 最少起訂量：1臺 | 發(fā)貨地：廈門 | |
| 上架時(shí)間：2023-10-26 10:32:51 | 瀏覽量：33 | |
廈門海通華業(yè)科技有限公司
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| 經(jīng)營模式：代理商 | 公司類型：私營有限責(zé)任公司 | |
| 所屬行業(yè)：PLC控制系統(tǒng) | 主要客戶：電廠，鋼鐵廠，水泥廠， | |
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| 聯(lián)系人:易工 (先生) | 手機(jī):18065920203 |
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按照觸摸屏的工作原理和傳輸信息的介質(zhì),我們把觸摸屏分為四種,它們分別為電阻式電容感應(yīng)式紅外線式以及表面聲波式每一類觸摸屏都有其各自的優(yōu)缺點(diǎn) 1.電阻式觸摸屏 該觸摸屏利用壓力引發(fā)電阻變化而進(jìn)行控制。電阻式觸摸屏的表面要蓋著一層和顯示屏幕連接非常 緊密的電阻薄膜，當(dāng)手指或手寫筆觸摸屏幕時(shí),電阻薄膜在觸摸點(diǎn)位置就有了接觸,電阻發(fā)生變化,在X和Y兩個(gè)方向上產(chǎn)生相應(yīng)信號,觸摸屏控制器就會(huì)識別該信號并計(jì)算出坐標(biāo),送至CPU。 2.電容式觸摸屏 該觸摸屏是利用人體的電流感應(yīng)引起電容變化而進(jìn)行工作的。當(dāng)手指觸摸在屏上時(shí),由于人體電場,用戶和觸摸屏表面形成-個(gè)耦合電容,對于高頻電流來說,電容相當(dāng)于導(dǎo)體,于是手指從接觸點(diǎn)吸走個(gè)很小的電流。 這個(gè)電流分別從觸摸屏四角上的傳感器中流出,并且流經(jīng)這4個(gè)傳感器的電流與手指到四角的距離成正比,控制器通過對這4個(gè)電流比例的**計(jì)算,得出觸摸點(diǎn)的位置。 電容式觸摸屏對于外界干擾以及每個(gè)用戶手指情況的不同(干濕度、膚質(zhì)等) ,有著不同程度的誤差。 From Singapore YASKAWA JEPMC-MC210 MECHATROLINK SERVO MODULE SVB-01 YASKAWA MP920 JEPMC-MC220 2-AXIS CONTROL MODULE NEW YASKAWA ELECTRIC JEPMC-MC002Z NSPP JEPMCMC002Z Yaskawa Motion Control Rack JEPMC-MC003 [PZ9] YASKAWA ELECTRIC JEPMC-MC200 USPP JEPMCMC200 YASKAWA SERVO CONTROLLER MP920 JEPMC-MC220 SVA-02 ``NICE`` Fast shipping From Korea, South Yaskawa JEPMC-MC410 Motion Rack [PZ9] HEATH COMMERCIAL MASTER CONTROLLER LC-400-MC USED Westinghouse 4256A01G01 w/ 4256A06H01 Circuit Board WESTINGHOUSE 4256A1G0 USPP 4256A1G0 WESTINGHOUSE 4256A25G01 USPP 4256A25G01 WESTINGHOUSE 4256A10G01 USPP 4256A10G01 WESTINGHOUSE 4256A26G01 USPP 4256A26G01 WESTINGHOUSE 4256A88G04 USPP 4256A88G04 WESTINGHOUSE 4256A56G01 USPP 4256A56G01 WESTINGHOUSE CIRCUIT BOARD 4256A10G01 WESTINGHOUSE CIRCUIT BOARD 4256A25G01 Westinghouse 4256A10G0 PC Board XYCom Automation 3115T Pro-Face Business Office LCD Touch Screen Computer System XYCOM/PROFACE 3115T-1200-256-XP TOUCHSCREEN XYCOM/PROFACE 3115T-8850256-2K/3115-0111111019001 TOUCHSCREEN ***XLNT*** Xycom 5015T Proface Panel 5015T XYCOM REMANUFACTURED XYCOM PRO-FACE 4715-T 4715T INDUSTRIAL PC 15" TOUCH SCREEN PRO-FACE XYCOM 4715-T INDUSTRIAL PC 15" TOUCH SCREEN LOT OF 2 XYCOM PRO-FACE 4115 T / 4115-0014121015001 (PARTS AND REPAIR) 2 UNITS, MOUSE AND CORDS Xycom 5015T Pro-face 15" LCD Touchscreen Monitor *NICE* XYCOM MODEL 3010T TOUCH PANEL 10.5" SCREEN 3515T XYCOM OPERATOR TERMINAL **1YR. 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