SD-98762卡件,SD-98762通用電氣
程序自主可控,用戶(hù)可以根據(jù)自己要求自行編輯流程;4.強(qiáng)有力的技術(shù)支持以及快速的響應(yīng)速度;磁控濺射是一種磁控運(yùn)行模式的二次濺射。此種技術(shù)廣泛應(yīng)用于鍍膜設(shè)備上,它不僅適用于廣泛的鍍膜靶材(如:銅、鈦、鉻、不繡鋼、鎳等金屬材料),而且鍍膜時(shí)還可大幅度提高膜層的附著力、重復(fù)性、致密度和均勻度。
SD-98762卡件磁控濺射鍍膜設(shè)備主要是使用直流磁控濺射,常需要2路輸出穩(wěn)定的直流電源,設(shè)定一個(gè)電壓值后,要求快速響應(yīng)到電壓的設(shè)定值。電源使用過(guò)程中必須保持穩(wěn)定性,電壓數(shù)值不能受負(fù)載影響。然而,市面上常用的開(kāi)關(guān)電源為開(kāi)環(huán)控制,無(wú)法確保穩(wěn)定輸出,而一個(gè)穩(wěn)定的電壓對(duì)鍍膜好壞至關(guān)重要,因此設(shè)想通過(guò)PLC的PID算法,利用現(xiàn)有的直流開(kāi)關(guān)電源,實(shí)現(xiàn)電源的快速調(diào)節(jié)和閉環(huán)管理。在智能電源控制系統(tǒng)上需要4AI來(lái)檢測(cè)兩路直流穩(wěn)壓電源的電流信號(hào)和電壓信號(hào),作為智能電源的反饋信號(hào);需要使用2AO來(lái)控制電壓輸出,使電源具有良好的負(fù)載特性,保持恒壓輸出。
綜合上述需求,PLC選擇海為的S20M0T的開(kāi)關(guān)量與模擬量混合型主機(jī),主機(jī)自帶4路AI模擬量線性輸入,2路AO模擬量線性輸出,模擬量支持工程量轉(zhuǎn)換,AI\AQ寄存器可直接訪問(wèn),在模擬量信號(hào)處理時(shí)非常方便,節(jié)省了不少編程時(shí)間;主機(jī)還支持32路的PID指令;更重要的是一個(gè)主機(jī)就搞定了,不需額外添加擴(kuò)展模塊PID指令,即特殊控制指令里的PID指令,海為全系列PLC都支持。本系統(tǒng)根據(jù)負(fù)載的變化,在線監(jiān)控時(shí)結(jié)合軟件自帶的實(shí)時(shí)曲線表調(diào)整參數(shù),逐一調(diào)整PID三個(gè)參數(shù)使之達(dá)到最好的效果。參數(shù)經(jīng)過(guò)調(diào)試整定之后,實(shí)現(xiàn)了電壓的快速調(diào)節(jié)和穩(wěn)定輸出,實(shí)現(xiàn)了電源的閉環(huán)管理,為更好地磁控濺射鍍膜提供了良好的基礎(chǔ)。大多數(shù)使用PLC的機(jī)械設(shè)備廠家,所售出設(shè)備、產(chǎn)線的運(yùn)行狀況等動(dòng)態(tài)信息不能及時(shí)準(zhǔn)確掌握,故障不能及時(shí)診斷和維護(hù),傳統(tǒng)的維護(hù)人員到現(xiàn)場(chǎng)進(jìn)行管理、維護(hù)的方式成本較高響應(yīng)較慢,降低了生產(chǎn)效率,因此對(duì)遠(yuǎn)程監(jiān)控、遠(yuǎn)程診斷、維護(hù)需求顯得尤為迫切和必要。麥控星云的遠(yuǎn)程監(jiān)控和維護(hù)作為一個(gè)亮點(diǎn)向客戶(hù)驚喜推介,在提高自動(dòng)化設(shè)備綜合管理水平的同時(shí)為企業(yè)提供更有價(jià)值的云端數(shù)據(jù)服務(wù),提升產(chǎn)品的科技含量與增值服務(wù)的附加值。正是合信技術(shù)(www.co-trust.com)積極響應(yīng)未來(lái)市場(chǎng)的客戶(hù)需求的重要舉措。合信技術(shù)麥控星云平臺(tái),采用128bits的動(dòng)態(tài)數(shù)據(jù)加密模式,是合信技術(shù)推出的一款開(kāi)放、穩(wěn)定、安全的物聯(lián)網(wǎng)云平臺(tái)。設(shè)備可通過(guò)網(wǎng)關(guān)模塊或者TP-i系列智能人機(jī)界面便捷的接入麥控星云平臺(tái)。網(wǎng)關(guān)模塊提供RS485或者以太網(wǎng)接口并內(nèi)嵌多種協(xié)議,可安全地、快速地、便捷地連接不同的設(shè)備,實(shí)現(xiàn)設(shè)備的遠(yuǎn)程監(jiān)控與維護(hù)。
The above is the detailed explanation of the high-speed counting function of Yiwei un200 CPU. I hope this article will help you in the understanding and application of high-speed counting. Compared with electrical control system, PLC control system has many similarities and differences. The differences are mainly in the following aspects:
1) From the perspective of control method, the control logic of electrical control system adopts hardware wiring, and the control logic is composed of series or parallel connection of relay mechanical contacts. Its wiring is many and complex, large volume and high power consumption. After the system is composed, it is difficult to change or add functions. In addition, the number of contacts of the relay is limited, so the flexibility and scalability of the electrical control system are greatly limited. PLC adopts computer technology, and its control logic is stored in the memory in the form of program. To change the control logic, you only need to change the program, so it is easy to change or increase the system function. The system has few connections, small volume and low power consumption, and the so-called "soft relay" of PLC is essentially the state of memory unit, so the number of contacts of "soft relay" is unlimited, and the flexibility and scalability