Patent ID: 11906610
Assignee: HONEYWELL INTERNATIONAL INC.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A controller component comprising:
a resistance-based bridge circuit;
a signal conditioning circuit configured to condition an output of the resistance-based bridge circuit;
a first diagnostic circuit coupled to the signal conditioning circuit configured to monitor an output of a first branch of the resistance-based bridge circuit; and
a second diagnostic circuit coupled to the signal conditioning circuit configured to monitor an output of a second branch of the resistance-based bridge circuit,
wherein each of the first diagnostic circuit and the second diagnostic circuit comprises two transistors; and
wherein the controller component comprises a level-shifter element configured to translate an electrical signal/output from an analog supply domain to a digital supply domain; and
wherein the controller is configured to detect a fault condition and an open connection condition by monitoring output of the first and second diagnostic circuit, wherein each of the first and second diagnostic circuit is configured to pull low, buffer, and invert output voltage to provide active low-fault detection.