51问答网 > 用PLC程序怎样读取绝对编码器的位置

用PLC程序怎样读取绝对编码器的位置

2025-04-08 03:12:33
推荐回答（1个）
回答1：

编码器是在电机旋转时发出脉冲信号。比如如果编码器一周是600个脉冲，也就意味着PLC收到600个脉冲即表示旋转了一周。 PLC接收脉冲信号数目/600 ，就是你编码器旋转了多少位置噢。 脉冲信号接至PLC脉冲指定输入端，注意设置好该输入端的滤波时间，不然可能造成脉冲有丢失。 然后直接在程序上读取该端口的数目即为脉冲数。

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