P+F增量型编码器RHI90N-OEAAAR61N-00100产品说明
增量型编码器旋转一圈提供一个固定数量的脉冲，速度是通过单位时间内测量的脉冲数计算。为了测量角度和位置，通常是从一个起始的参考点开始计数。
双通道输出编码器，是具有两个具有90度相位差的信号，这个使控制器可以确定旋转方向，并且实现双方向的位置测量功能。
另外，三通道的增量型编码器具有第三个信号通道（即为“0”通道，或者参考通道），每旋转一圈只有一个脉冲输出。
使用在危险区域的火花保护级和本质安全型旋转编码器
倍加福提供两种不同的火花保护级的编码器。一种是隔爆型，另一种是本质安全型。
隔爆型 EEx d
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本质安全型 EEx i
如果为本质安全型，电压和电流将要保持非常低的标准， 阻止可能点燃的火星的产生，这样就阻止了爆炸环境中的点燃因素。下面的设备是根据火花防护类型进行设计的：
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ZONE 2/ZONE 22
除了隔爆型和本质安全型，倍加福还提供可以使用在Zone 2/Zone 22的旋转编码器。
