Patent ID: 8154312

Claim:
A sensor system comprising: a sensor unit for detecting a measured variable; and an evaluation unit connected to the sensor unit via at least one connection line; wherein the sensor unit includes a sensor, which has a signal output for a measuring signal that is a function of the measured variable, wherein the evaluation unit includes a voltage detector for detecting a status of the measured variable as a function of a potential, wherein the sensor unit includes a first resistive circuit, which is connected to the sensor, and the evaluation unit includes a second resistive circuit, which is connected to the voltage detector, wherein the first resistive circuit and the second resistive circuit are coupled to one another via the at least one connection line, and form a resistor network, and wherein the first resistive circuit and the second resistive circuit are configured so that, in a fault-free state of the at least one connection line, the voltage detector detects at least one measuring potential in at least one defined measuring potential range as a function of the measured variable, and, in a fault case, the voltage detector detects a measuring potential that lies within a fault potential range, which lies outside the at least one defined measuring potential range; wherein the sensor unit and the evaluation unit are interconnected via a sensor line, a first supply line and a second supply line; wherein the first resistive circuit includes a first resistor element, a second resistor element, and a third resistor element, which are connected in series between the first supply line and the second supply line, a first node between the first resistor element and the second resistor element being connected to the sensor line, and a second node between the second resistor element and the third resistor element being connected to the signal output of the sensor.