| 詳細參數(shù) | |||
|---|---|---|---|
| 品牌 | WESTINGHOUSE | 型號 | 1C31169G02 |
| 結(jié)構(gòu)形式 | 模塊式 | 安裝方式 | 控制室安裝 |
| LD指令處理器 | 硬PLC | 產(chǎn)品認證 | CQ |
| 環(huán)境溫度 | -40°至70°C | 環(huán)境濕度 | 5%-95%非冷凝 |
| 加工定制 | 否 | 重量 | 4磅 |
| 產(chǎn)地 | 美國 | ||
WESTINGHOUSE 1C31169G02 串行鏈路控制
如果使用 Personality 模塊的 J2 RS-485/RS-422 Applications 端口 DB9 連接器代替基本單元端子塊，可以僅實現(xiàn)局部屏蔽接地。電纜組件金屬罩必須與電纜屏蔽層電氣接觸。如果需要并聯(lián)終端電阻，則必須在接線端子上添加跳線.急停按鈕連接PLC內(nèi)部CPU的內(nèi)部I/O接口上，當按鈕給CPU一個外部觸發(fā)信號時，CPU對I/O進行再次檢測，當確認有外部觸發(fā)信號時，CPU保護現(xiàn)場并將程序計數(shù)器自動轉(zhuǎn)到相應的外部I/O中斷程序中去，當外部中斷程序處理完畢，程序計數(shù)器返回到主程序繼續(xù)工作。有一點可以說明的是我們一般會把急停按鈕的外部中斷升至級別，從而保證安全。
PLC還具有高級計數(shù)器的功能，當我們在接受一些高速的數(shù)據(jù)時，這里所說的高速是在在微秒級的數(shù)據(jù)，比如條碼掃描機在不斷的掃描數(shù)據(jù)，數(shù)據(jù)處理器DSP計算的高速信號等，我們就要采用到高級計數(shù)器來幫助我們進行計數(shù)。它在PLC執(zhí)行程序時一旦發(fā)現(xiàn)高級計數(shù)器對應的中斷，就會立即放下手上的工作。經(jīng)過再次編程的梯形圖程序說明我們在執(zhí)行程序時高級計數(shù)器會自動的執(zhí)行對應的工作，從而將高級計數(shù)器的級別升至高一級別。
The emergency stop button is connected to the internal I / O interface of the CPU inside the PLC. When the button gives the CPU an external trigger signal, the CPU detects the I / O again. When the external trigger signal is confirmed, the CPU protects the site and automatically transfers the program counter to the corresponding external I / O interrupt program. When the external interrupt program is processed, the program counter returns to the main program to continue working. It can be explained that we generally raise the external interrupt of the emergency stop button to the highest level to ensure safety.
PLC also has the function of advanced counter. When we are receiving some high-speed data, the high-speed here is the microsecond data, such as the continuous scanning data of bar code scanner and the high-speed signal calculated by data processor DSP. We need to use advanced counter to help us count. When the PLC executes the program, once it finds the interrupt corresponding to the advanced counter, it will immediaby put down its work. The re programmed ladder program shows that when we execute the program, the advanced counter will automatically perb the corresponding work, so as to raise the level of the advanced counter to a higher level.
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1C31122G01 5X00300G01 3A99158G01
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1C31169G02 1C31113G05 1C31219G01
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1C31192G01 5X00241G02 1C31132G01
