Microprocessor-based trip device with optional functions and sel

Details Microprocessor-based trip device with optional functions and sel Microprocessor-based trip device with optional functions and sel

1989-11-02

1992-03-31

DeBoer, Todd E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

395100, H02H 308

Patent

active

051013169

ABSTRACT:
The optional functions of a microprocessor-based trip device are selected by means of keys of a keypad. the different options are displayed sequentially on a display during running of a selection subroutine contained in a read-only memory (ROM), the keypad enabling the selected option to be stored in an EEPROM memory.

REFERENCES:
patent: 4672501 (1987-06-01), Bilac et al.
patent: 4694373 (1987-09-01), Demeyer
patent: 4870531 (1989-09-01), Danek

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