Ydir' Direction Of Manipulated Variable For Display And Position Feedback; Ycls' Tight Closing/Fast Closing With Manipulated Variable - Siemens SIPART PS2 Series Operating Instructions Manual
Electropneumatic positioners with 4 to 20 ma/hart
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- Operating instructions manual (372 pages) ,
- Compact operating instructions (294 pages) ,
- Manual (200 pages)
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'39.YCLS' Tight closing/fast closing with manipulated variable (Page 153)
8.4.2.10
'38.YDIR' Direction of manipulated variable for display and position feedback
Possible settings:
Purpose:
Factory setting:
8.4.2.11
'39.YCLS' Tight closing/fast closing with manipulated variable
Possible settings:
Purpose:
Factory setting:
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE
● riSE
● FALL
This parameter is used to set the direction of action of the display
and the position feedback. The direction is rising or falling.
riSE
no
None
uP
Tight closing Up
do
Tight closing Down
uP do
Tight closing Up and Down
Fu
Fast closing Up
Fd
Fast closing Down
Fu Fd
Fast closing Up and Down
uP Fd
Tight closing Up and fast closing Down
Fu do
Fast closing Up and tight closing Down
This parameter is used to drive the control valve to the endstops. If
the parameter is not activated, the control valve controls the two
endstops which were determined during the initialization.
With tight closing, the control valve requires longer to leave the
endstops. With fast closing, the endstops of the control valve are
left immediately.
The tight closing and fast closing functions are activated on one
side or for both endstops. Parameter 'YCLS' becomes effective if
the effective setpoint:
● Is at or below the value set in the ''40.YCDO' Value for tight
closing/fast closing Down (Page 154)' parameter.
● Is at or above the value set in the ''41.YCUP' Value for tight
closing/fast closing Up (Page 154)' parameter.
no
Parameter assignment
8.4 Description of parameters
153
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