The Leine & Linde 1000 series rotary encoder with speed monitoring capabilities is used in applications in which secure speed feedback is critical to protect motors, machinery or operators from risk of failure. The overspeed electronics on this series consist of a speed detection system that senses rotational speed and direction. These electronics control three relay switches, which can be programmed for identification of critical speeds or errors in direction. In addition, a fourth relay can be set to detect overspeed conditions or be set to detect any functional error in the unit itself.
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