Monitoring Of Deadband 'E.\\Deba - Siemens SIPART PS2 Series Operating Instructions Manual

8.4.3.5

Monitoring of deadband 'E.\\DEBA'

E. DEBA - Monitoring of deadband
Requirement:
Possible settings:
Purpose:
Factory setting:
E1.LEVL3 - Threshold
Adjustment range:
Purpose:
Factory setting:
Note
Fault message display
The three-stage fault message display has not been implemented for monitoring of the
deadband. The positioner triggers only threshold 3 messages depending on the setting.
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE
The '52.XDIAG' Activating for extended diagnostics (Page 162) pa‐
rameter is set to 'On'.
The '34.DEBA' Deadband of closed-loop controller (Page 150) pa‐
rameter is set to 'Auto'.
● OFF
● On
Use this parameter to continuously monitor the automatic adapta‐
tion of the deadband. Monitoring is performed in one step. To acti‐
vate monitoring, set the parameter to 'On'. The sub-parameter is
displayed. Appropriately set the sub-parameter.
The current value is displayed in Diagnostic value '26.DBUP -
Deadband up' / '27.DBDN - Deadband down' (Page 223). The po‐
sitioner triggers a message if the current value exceeds the thresh‐
old.
OFF
0.1 ... 3.0
Use this sub-parameter to set the threshold to the deadband in
percent. Set the threshold in a range from '0.1' to '10.0'. The values
are monitored in the range of '0.1' to '2.9'. Values between '3.0' and
'10.0' are not monitored.
The threshold 3 message is displayed when the current deadband
exceeds the threshold during the test. The process to activate and
display this message is described in the 'XDIAG' parameter.
2.0
Parameter assignment
8.4 Description of parameters
175