Alarm control method

Details Alarm control method Alarm control method

1992-04-28

1994-04-26

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular system function

340511, 340661, 340664, 340653, 340635, G08B 2900

Patent

active

053070496

ABSTRACT:
A drive current for driving actuators is generated based on a first digital signal comprising n-bit binary data which is supplied from a microprocessor and it is applied to an excitation coil. The drive current is supplied to the exciting coil and is converted into a voltage which is then converted into a second digital signal comprising n-bit binary data. The binary data of the second digital signal is compared with the digital data of the first digital signal to detect an alarm condition. Furthermore, the second digital signal is compared with first and second reference value to set plural alarm conditions.

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