Siemens FC300, Руководство по эксплуатации, Страница: 272 / 518

HMI menu ID Parameter Description Default value
[unit]
Value range Access
level
2.1.3.4 Standard Deviation Lim‐
it
Set limit for zero-point adjust‐
ment "Standard Deviation" val‐
ue.
1) 0 to 3682800.0 User
2.1.3.5 Standard Deviation Standard deviation during auto
zero-point adjustment.
[kg/h] Read
only
2.1.3.6 Offset Limit Set limit for "Zero Offset". [kg/h] User
2.1.3.7 Offset Zero-point offset compensates
for sensor variation due to proc‐
ess conditions.
[kg/h] Read
only
2.1.3.8 Offset Enter agreed zero-point offset
value.
[kg/h] User
2.1.4 Aerated flow
2.1.4.1 Aerated Flow Filter Set the process value filter for
aerated flow. Auto means that
filtering starts automatically
when measuring aerated flow.
Auto
(non-SIL var‐
iants)
Off
(SIL variants)
● Off
● On
● Auto
User
2.1.4.2 Filter Time Constant 10 s
● 0.5 s
● 1 s
● 2 s
● 5 s
● 10 s
● 20 s
● 30 s User
defined
User
2.1.4.3 Alarm Limit Set alarm limit in percent of ac‐
cepted bad measurements.
0
[%]
0 to 99 Expert
2.1.4.4 Warning Limit Set warning limit in percent of
accepted bad measurements.
0
[%]
0 to 99 Expert
2.1.4.5 Measurement Sample
Time
Set the time period over which
the actual percentage of unsta‐
ble measurements is calculated
5
[s]
1 to 10 Expert
2.1.4.6 Filter Start Hysteresis Set the hysteresis value. The fil‐
ter is active when the hysteresis
value is exceeded.
0.015
[V]
0 to 0.124 Expert
2.1.4.7 Minimum Filtering Time Set the filtering time. The filter‐
ing time is reset each time hys‐
teresis band is exceeded.
100
[cycles]
0 to 65535 Expert
2.1.4.8 Filter Iteration Set the number of times to re‐
peat the same filter. Increasing
the number will increase the
damping.
3 1 to 5 Expert
Default settings
B.1 Sensor
MASS 2100 & FC300 (FCT030)
272
Operating Instructions, 06/2017, A5E39789040-AA