Versatile switching module
AssigneeIndustrial Technology Research Institute
InventorsSai Hoi Tsao, Forest Shih-Sen Chien
Life of this patent
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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.
Claims6
A switching module to control a switching operation of a plurality of relays in a plurality of relay cards, comprising:
- a driving card to control the switching operation of a plurality of relays positioned in a plurality of relay cards comprising an interface arranged to accept at least address data input from an external device, a latch arranged to latch said input address data comprising at least address of one relay and address of one relay card, a first selector arranged to activate at least one of the relay cards and a second selector arranged to activate at least one of the relays of the relay cards, both according to the input address data of said latch;
- a plurality of relay cards connected with and arranged to be activated by said first selector, each comprising a plurality of relays connected with and being able to be enacted by said second selector, wherein all relays are parallel connected with one another and each relay is connected to at least one testing terminal;
- wherein each of said relays comprises at least one relay switch and at least one status signal generator.
Dependencies are inferred from the claim text.