Versatile switching module

Details Versatile switching module Versatile switching module

1994-03-22

1997-11-18

Fleming, Fritz

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

H01H 4722

Patent

active

056893990

ABSTRACT:
A versatile switching module to control the switching operation of multiple relay switches and to monitor the status of each relay includes a driving card and multiple relay cards, each relay card in turn including a number of relays, with each relay representing a testing channel made up of three testing terminals. In one embodiment, one driver card may be used to control four relay cards, each relay card having sixteen relays and each relay having four single-pole double-throw switches.

REFERENCES:
patent: 4918566 (1990-04-01), Brodsky et al.

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