Processing Input Faults - Siemens SITRANS DA400 Operating Instructions Manual

Signal processing
7.2 Evaluation of universal inputs
Figure 7-4 24 V digital signal function diagram
See also
Evaluation of analog current signals (Page 56)
7.2.4

Processing input faults

Input fault message
The fault signal "doFAI" is created from the OR of the following input fault messages:
● Failure of the acoustic emission sensors
● Universal input signal fault, e.g. > 21 mA for analog current
Figure 7-5
58
Input faults
SITRANS DA400 for oscillating positive displacement pumps with protection against explosion
Operating Instructions, 10/2007, A5E00841127-01