Monitoring The Lower Endstop 'F.\\Zero - Siemens SIPART PS2 Operating Instructions Manual

Parameter assignment
9.4 Description of parameters
E1.LEVL3 - Deadband threshold
Adjustment range:
Purpose:
Factory setting:
Note
Fault message display
The three-stage alarm display has not been implemented for monitoring of the deadband.
The positioner triggers only threshold 3 fault messages depending on the setting.
9.4.3.6

Monitoring the lower endstop 'F.\\ZERO'

F. ZERO - Monitoring the lower endstop
Note
Fault detection
Monitoring the lower endstop not only responds to faults in the valve. If the limit thresholds of
the lower endstop are exceeded due to misalignment of the position feedback, the
misalignment also triggers a diagnostics message.
Requirement:
Possible settings:
188
0.1 ... 2.9
Use this sub-parameter to set the threshold to the deadband in
percent. Set the threshold in a range from '0.1' to '2.9'.
The threshold 3 fault message is displayed when the current
deadband exceeds the threshold during the test. The procedure to
activate and display this error message is described in the 'XDIAG'
parameter.
2.0
The '52.XDIAG' Activating for extended diagnostics (Page 174)
parameter is set to 'On1', 'On2' or 'On3'.
The '39.YCLS' Tight closing with manipulated variable (Page 166)
parameter is set to 'do' or 'uP do'.
• OFF
• On
SIPART PS2 with and without HART
Operating Instructions, 02/2016, A5E00074631-AB