Control and monitoring device for influencing safety-relevant sy

Details Control and monitoring device for influencing safety-relevant sy Control and monitoring device for influencing safety-relevant sy

1981-04-14

1984-04-17

Griffin, Donald A.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Selective or optional sources

333 243, H02J 100, G02F 128

Patent

active

044437102

ABSTRACT:
Control and monitoring devices for influencing safety-relevant system parts in a power station, including at least two rooms being separated from each other, similar electric circuits disposed in each of the rooms for at least one of giving commands and receiving acknowledgements for influencing a system part, a power supply being disposed in each of the rooms and being completely electrically separate from each other, electro-optical converters for transmitting signals being disposed in each of the rooms, and optical waveguide cables connecting the converters to each other.

REFERENCES:
patent: 3429637 (1969-02-01), Wentz
patent: 3444483 (1969-05-01), Schulz-Du Bois
patent: 4096394 (1978-06-01), Ullmann et al.
Control Engineering, S. J. Bailey, Mar. 1976, pp. 32 to 36.
Signal Transmission: Plenty of Electronic and Optical Options.

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