Control arrangement for escalator or moving walk

Details Control arrangement for escalator or moving walk Control arrangement for escalator or moving walk

1995-05-26

1999-03-23

Sircus, Brian

Electricity: motive power systems

Induction motor systems

Primary circuit control

318798, 361 23, 324161, H02P 126

Patent

active

058864970

ABSTRACT:
A safety control arrangement for escalators includes a detector for generating a trigger signal, and a microprocessor connected to a memory. A serial data communications bus connects the detector to the processor. The memory includes toggling and interrogating routines which permit verifying proper operability of the detector.

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