Method for detection of failed heater in a daisy chain connectio

Details Method for detection of failed heater in a daisy chain connectio Method for detection of failed heater in a daisy chain connectio

1995-06-15

1998-06-16

Mullen, Thomas

Communications: electrical

Condition responsive indicating system

Specific condition

340660, 340662, 340664, 324522, 324500, 324512, 324529, G08B 2100

Patent

active

057677816

ABSTRACT:
Currents input to and output from a device, such as a heater, in a daisy chain connection are measured and compared. Failure of an individual device, as well as device location, is indicated if no current is consumed by the device. A latch is activated in response to detection of a non-functioning device, sending a signal that gives notice and location of the failure.

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