Burkert Type 8630 - Manual (Page 23)

8630 - 21
S
YSTEM
D
ESCRIPTION
Characteristics of the positioner software
Supplementary function Effect
Positioner with supplementary functions
Tight-closing function
Valve closes tight outside control range. A value is
given (at %) from which the actuator is completely
exhausted (at 0%) or pressurized (at 100 %).
Stroke limitation
Mech. valve piston movement only withhin a specified
stroke range.
Signal range splitting
Splitting of the standard signal range over two or more
TOP Control Continuous.
Correction characteristic to match
the operating curve
Linearization of the process characteristic can be
performed.
Insensitivity range
The positioner cuts in only above a specified control
difference.
Direction of action of the controller
setpoint
Reversal of the setpoint action direction
Safety position Valve moves to a specified safety position.
Hierarchical concept for simple operation with the following levels
Process operation
In this level your switch between automatic and manual
operation.
Configuration
In this level you specify on commissioning certain basic
functions and configure supplementary functions as
needed.