To operate flawlessly, optical encoders require a clean path from their emitter diodes to their receiver array through the pulse disk, which is located directly between the two.

• 要实现无故障工作，光学编码器内从发射二极管到接收阵列再到脉冲盘的光线路径保持通畅。脉冲盘位于发射二极管和接收阵列之间。