Endress+Hauser PROline Prosonic Flow 93 Function Manual page 208

6 PID function block (PID controller)
208
PID function block (PID controller) / base index 810
Parameter Write access
with operating
mode
(MODE_BLK)
LO_LO_ALM ROUT - RCAS -
CAS - AUTO -
MAN - OOS
LO_LO_LIM ROUT - RCAS -
CAS - AUTO -
MAN - OOS
LO_LO_PRI ROUT - RCAS -
CAS - AUTO -
MAN - OOS
PROline Prosonic Flow 93 FOUNDATION Fieldbus
Description
Alarm status display for the lower alarm limit value, (LO_LO_LIM),
including details of the time of the alarm (date, time) and the
value that triggered the alarm.


Note!
In addition, the active alarm can be acknowledged in this
parameter group.
Entry of the alarm limit value for the lower alarm, (LO_LO_ALM). If
the value PV undershoots this limit value then the alarm status
parameter LO_LO_ALM is output.
User input:
Range and unit of PV_SCALE
Factory setting:
38
-3402823466 x 10


Note!
If the setting for the end of the scale is changed in the PV_SCALE
parameter this value should be modified accordingly.
Specifies the action taken when the lower alarm limit value
(LO_LO_LIM) is undershot.
User input:
0
The violation of the lower alarm limit value is not evaluated.
1
No notification if the lower alarm limit value is violated.
2
Reserved for block alarms.
3-7
The violation of the lower alarm limit value is output as a user
notice with the appropriate priority (3 = low priority, 7 = high
priority).
8-15
The violation of the lower alarm limit value is output as a critical
alarm with the appropriate priority (8 = low priority, 15 = high
priority).
Factory setting:
0
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