Input module

Details Input module Input module

1990-10-03

1993-12-14

Pellinen, A. D.

Electrical transmission or interconnection systems

Plural load circuit systems

Plural sources of supply

307 25, H02J 310

Patent

active

052705773

ABSTRACT:
An input module used in a factory automation apparatus, which is constituted by a bidirectional conduction circuit for connecting to an AC power source or DC power source with both plus or minus common line, a constant current circuit for supplying constant current, and a load circuit accepting the constant current. When the voltage range is less wide, a bidirectional conduction circuit and a filter circuit are used.

REFERENCES:
patent: 3535609 (1970-10-01), Soroka
patent: 3898474 (1975-08-01), Funatsu et al.
patent: 4275307 (1981-06-01), Struger et al.
patent: 4608498 (1986-08-01), Falzarano et al.
Silicon Zoner Diode Handbook, Motorola Inc, 1961, Second Edition; p. 45.

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