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… 9 Operation
… Parameter descriptions
Menu Device Setup
Menu / parameter
Value range
Description
Device Setup
Actuator Type
Linear, Rotary
Use this parameter to configure the configuration-, parameterization instruction for the positioner for
operation on a linear actuator (sensor range ±30°) or on a rotary actuator (sensor range ±45°). No
mechanical modifications to the positioner are required.
Linearization can be selected under the ‘Linear’ parameter in accordance with the mounting conditions:
Note
After changing the actuator type, it is recommended that you run Auto Adjust to prevent linearity errors.
Bolt Position
Bolt On Lever,
Bolt On Stem
For the linearization, when attaching to linear actuators, a differentiation is made concerning the
mechanical part of the position transfer to which the actuator bolt is permanently mounted.
• Bolt On Lever (actuator bolt on the potentiometer lever)
• Bolt On Stem (actuator bolt on the valve stem)
Factory setting: Bolt On Lever
Vent Position
Position 0%, Position 100% Use this parameter to specify which position is to be shown in the display when output 1 of the
positioner is completely vented.
Setpoint
SP Range Min.
SP Range Max.
SP Filter
SP Ramp Up
SP Ramp Down
SP Charact. Curve
SP Direction
The parameters for the set point are set in this parameter group.
Range Settings
Valve Rng Calib.
Upper Valve Rng
Lower Valve Rng
The valve end positions and the working range in which the valve is to be controlled are set in this
parameter group.
Note
If the work area is limited, the switching points of the digital feedback opposite the valve area which
had possibly been previously adjusted will shift.
End Stop Behav.
Tight Shut 0%
Control at 0%
Dead Angle 0%
Tight Shut 100%
Control at 100%
Dead Angle 100%
The end position behavior is set in this parameter group.
Recalc. Position
Off, On
Use this parameter to define whether the position indicator and analog position feedback display the
valve position (Direct) or the valve flow (Recalculated).
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