廈門市泰尼電器有限公司
主營產品: AB模塊PLC |
廈門市泰尼電器有限公司
主營產品: AB模塊PLC |
參考價 | 面議 |
IC693CBL303+++IC693CBL303
+++
而且所有這些編程語言,PCC都采用“符號變量"來標識外部I/O通道及內部寄存器單元(例如用戶可用motor_run來代表某開關量輸出通道,button_down代表某開關量輸入通道)。這樣,軟件開發人員毋需熟知PCC內部的硬件資源分布,而只須集中精力于項目本身的工藝要求,即可迅速編制出結構清晰功能明確的控制程序來。
:張亮(工程師) 專線:
24小時移動專線: 【】
PCC在硬件上的特點,還體現在它為工業現場的各種信號和應用設計了許多的接口模塊和功能模塊,如溫度、張力、步進電機驅動、示波器、鼓序列發生、脈沖編碼,稱重、超聲波信號等等。它們將各種形式的現場信號十分方便的接入以PCC為核心的數字控制系統中,用戶可按需要對I/O通道進行數十點、數百點至數千點的擴展與聯網。在PCC模塊內部,CPU的數據總線與IO總線分離,并配置有獨立的I/O處理器,*的時間處理單元(TPU)在不增加CPU負荷的前提下,高速處理無論簡單或復雜的定時任務,其基準計時頻率可高達6.29MHz,因此目前被廣泛應用于測頻測相及PWM等*精度的時間處理場合中。而其所有數字量輸入端都經過了光電耦合隔離,模擬量輸入端也都經過了RC濾波處理,因此具有很好的抗*力,其整體硬件平均*時間MTBF高達50萬小時。
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