Fluid detection system with relay release and relatch function

Details Fluid detection system with relay release and relatch function Fluid detection system with relay release and relatch function

1990-09-25

1991-11-19

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

Specific condition

340517, 340618, 340605, 73 492, G08B 2100

Patent

active

050669443

ABSTRACT:
A fluid status detection system includes a plurality of probes connected to a controller. The controller includes a number of relays that may be programmed to latch either open or closed upon receipt of any one of several different alarms from the probes. The system includes a function that if a relay is latched and a second alarm occurs, then the relay releases for a second, then relatches. The system permits an operator to select the release and relatch latch function individually for each of the relays and to store the selection in a digital memory.

REFERENCES:
patent: 4721950 (1988-01-01), Andrejasich et al.
patent: 4740777 (1988-04-01), Slocum et al.

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