作者: David B. Davies , Willis J. Mullet
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摘要: A door operator and related method of setting custom limits on movable barrier travel, includes a motor for moving the between two travel limit positions, an controlling operation motor, disconnect system coupled operator. The is switchable connected position disconnected position, wherein can engage only when in position. to potentiometer ascertaining regardless system, provides information set by placing manually desired whereupon moved so that detect positional location be designated as one limits. An installation switch may operator, determines lower or upper from detected potentiometer, actuation establishes limit. up/down also Actuation during operational profile after sets