Question 3: What is the output fallback function of NFA series modules? Which modules support this feature? How to configure?
Answer: The output fallback function is an output protection mechanism for the module when a fault is detected, which is divided into two modes: HOLD (maintain the output value when the fault occurs) and SETV (output specified value); The supporting modules include NFAI841, NFAB841, NFAI543, NFAV544, and NFAI835; Configuration method: ① First, select whether to enable fallback (Yes/No) for the module; ② Enable channel setting mode (HOLD/SETV); ③ The fault detection time is uniformly 4 seconds.

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