Acknowledgement - Siemens SITRANS DA400 Operating Instructions Manual

Figure 7-6 Trace evaluation
See also
Parameter table (Page 6-7)
Parameter lock (Page 6-9)
7.4

Acknowledgement

The effect of the parameter "P.14/AcK" is described below. For simplification, no hysteresis
is plotted in the time diagram. The parameter value "P.13/TIME" for the response time is 0.
The parameter "P.14/AcK" can be set to three values:
oFF
St.Ac
SITRANS DA400 with protection against explosion
Operating Instructions, 02/2006, A5E00684661-01
Acknowledgment here with the <ACK> key is not possible. The alarm occurs
exclusively at exceeding or not reaching the alarm value.
Stored and can be acknowledged
Time 1: Alarm value exceeded, alarm is output.
Time 2: Acknowledgement with <ACK> key, alarm is reset.
Time 3: Alarm is only set if the alarm value is exceeded again.
Time 4: Value below alarm value, alarm remains saved.
Time 5: Acknowledgement with <ACK> key, alarm is reset.
Evaluating and processing signals
7.4 Acknowledgement
7-9