See also
'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: ● riSE
● FALL
Purpose: This parameter is used to set the direction of action of the display
and the position feedback. The direction is rising or falling.
Factory setting: riSE
8.4.2.11 '39.YCLS' Tight closing/fast closing with manipulated variable
Possible settings: 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
Purpose: 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.
Factory setting: no
Parameter assignment
8.4 Description of parameters
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE 153
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