- 型号:330180-50-00
- 数量:3
- 制造商: 厦门兴锐达自动化设备有限公司
- 有效期:2019/10/10 0:00:00
BENTLY NEVADA 330180-50-00
BENTLY NEVADA 330180-50-00
BENTLY NEVADA 330180-50-00
PLC的打开趋势
1.向高速度、大容量方向打开
为了前进PLC的处理才华,要求PLC具有更好的响应速度和更大的存储容量。现在,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。为了扩展存储容量,有的公司已运用了磁泡存储器或硬盘。
2.向超大型、超小型两个方向打开
当时中小型PLC比较多,为了习气商场的多种需求,往后PLC要向多品种方向打开,特别是向超大型和超小型两个方向打开。现已有I/O点数达14336点的超大型PLC,其运用32位微处理器,多CPU并行工作和大容量存储器,功用强。
小型PLC由全体结构向小型模块化结构打开,使装备愈加活络,为了商场需求已开发了各种简易、经济的超小型微型PLC,最小装备的I/O点数为8~16点,以习气单机及小型自动控制的需求,如三菱公司α系列PLC。
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