Elevator control system

Details Elevator control system Elevator control system

1989-03-29

1990-09-25

Pellinen, A. D.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187130, B66B 114

Patent

active

049587072

ABSTRACT:
An elevator control system comprises an elevator controller for controlling the running of a cage and a plurality of input/output terminal equipments for controlling devices provided at a landing place on each floor and/or in the cage, each of the elevator controller and the plurality of input/output terminal equipments including a transmission controller provided with a transmission circuit and a reception circuit so that the elevator controller and the plurality of input/output terminal equipments are connected to each other through transmission lines, wherein each of the elevator controller and the plurality of input/output terminal equipments is provided with an abnormality detector for detecting an abnormality and a transmission stopping device for inhibiting transmission through the transmission circuit of its own transmission controller upon detection of occurrence of an abnormality by the abnormality detector.

REFERENCES:
patent: 3782504 (1974-01-01), Billmaier et al.
patent: 4671391 (1987-06-01), Sasao
patent: 4683989 (1987-08-01), Pillage et al.
patent: 4742893 (1988-05-01), Otala et al.
patent: 4762204 (1988-08-01), Blain et al.
patent: 4766978 (1988-08-01), Blain et al.

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