描述
为了提高PLC的处理能力,要求PLC具有更好的响应速度和更大的存储容量。目前,有的PLC的扫描速度可达0.1ms/k步左右。PLC的扫描速度已成为很重要的一个性能指标。
在存储容量方面,有的PLC最高可达几十兆字节。为了扩大存储容量,有的公司已使用了磁泡存储器或硬盘。
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