R911295679 REXROTH

DS215SLCCG1AZZ01B
DS215SLCCG2AZZ01A
DS215SLCCG2AZZ01B
DS215SLCCG4AZZ01A
DS215TCCBG3AZZ01A
DS215TCCBG3BZZ01A

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描述

现场模拟量信号经A/D转换后变成离散的数字信号,然后将形成的数据按时间序列存入PLC内存。再利用数字滤波程序对其进行处理,滤去噪声部分获得单纯信号,可对输入信号用m次采样值的平均值来代替当前值,但井不是通常的每采样。次求一次平均值,而是每采样一次就与最近的m-l次历史采样值相加,此方法反应速度快,具有很好的实时性,输入信号经过处理后用干信号显示或回路调节,有效地抑制了噪声干扰。

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