Patent ID: 6218956
Filing Date: 2001-04-17
Classification: G05B,G07B

Abstract:
A movable barrier operator system, for use in controlling access to a location, comprising:a barrier-motor electrical driver;a first input device for receiving operating commands for operation of the electrical driver;a second input device for developing system status information;a memory for storing a record of barrier operator operating commands received and events occurring over a predetermined period of time, said memory also storing information identifying when the commands and events occurred;a controller, responsive to received input commands and system status information, for enabling operation of the electrical driver and for storing the received commands and the events occurring in the memory; anda remote communications interface coupling the controller and the memory with an outlying location in response to a fault condition, the remote communications interface comprising a remote communications output device for transferring information related to the commands, events and information identifying when the events occurred to the outlying location for review in determining whether the fault has occurred in the movable barrier system or its operation.