Endress+Hauser Proservo NMS80 - Page 11

Proservo NMS80/81/83
Endress+Hauser 11
Dangerous undetected failures in this scenario
A dangerous, undetected failure is considered to be an incorrect output signal that deviates from the
real value by more than 2 %, wherein the output signal is still in the range of 4 to 20 mA or the relay
contact remains closed.