编码器有5条引线，其中3条是脉冲输出线，1条是COM端线，1条是电源线（OC门输出型）。编码器的电源可以是外接电源，也可直接使用PLC的DC24V电源。电源“-”端要与编码器的COM端连接，“+ ”与编码器的电源端连接。编码器的COM端与PLC输入COM端连接，A、B、Z两相脉冲输出线直接与PLC的输入端连接，A、B为相差90度的脉冲，Z相信号在编码器旋转一圈只有一个脉冲，通常用来做零点的依据，连接时要注意PLC输入的响应时间。旋转编码器还有一条屏蔽线，使用时要将屏蔽线接地，提高抗干扰性。
编码器工作原理
绝对脉冲编码器:APC
增量脉冲编码器:SPC
两者一般都应用于速度控制或位置控制系统的检测元件.
旋转编码器是用来测量转速的装置。它分为单路输出和双路输出两种。技术参数主要有每转脉冲数（几十个到几千个都有），和供电电压等。单路输出是指旋转 编码器的输出是一组脉冲，而双路输出的旋转编码器输出两组相位差90度的脉冲，通过这两组脉冲不仅可以测量转速，还可以判断旋转的方向。
【公司】: 福建鸿飞达自动化科技有限公司
【主营】: AB(罗克韦尔)PLC全系列、ABB机器人系统备件、施耐德140/TSX、西门子6SN/6FC、伺服系统全套等
【价格】: 电议
【发布人】: 程先生
【所在地】: 福建 - 福州
产品价格以电话或者QQ询价为准，发布价格不做参考，图片也一样
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