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Process controller Type 8793
Type 8792, 8793 REV.2
8.2
The process controller software
Configurable auxiliary functions
Effect
Correction line to adjust the operating
characteristic
CHARACT
Selection of the transfer characteristic between input
signal and stroke (correction characteristic).
Sealing function
CUTOFF
Valve closes tight outside the control range. Specifi-
cation of the value (as%), from which the actuator is
completely de-aerated (when 0%) or aerated (when
100%).
Effective direction of the controller set-point value
DIR.CMD
Effective direction between input signal and set-point
position.
Effective direction of the actuating drive
DIR.ACT
Adjustment of the effective direction between aeration
state of the actuator and the actual position.
Signal split range
SPLTRNG
Splitting of the standard signal range to two or more
positioners.
Stroke limit
X.LIMIT
Mechanical valve piston movement only within a
defined stroke range.
Limit of the control speed
X.TIME
Input of the opening and closing time for the entire
stroke.
Insensitivity range
X.CONTROL
The positioner is initially actuated from a control dif-
ference to be defined.
Code protection
SECURITY
Code protection for settings.
Safety position
SAFEPOS
Definition of the safety position.
Signal level fault detection
SIG.ERROR
Check the input signals for sensor break.
Warning output on the display and approaching the
safety position (if selected).
Binary input
BINARY. IN
Switching between AUTOMATIC / MANU or
approaching the safety position.
Analogue feedback (option)
OUTPUT
Feedback set-point value or actual value.
2 binary outputs (option)
OUTPUT
Output of two selectable binary values.
User calibration
CAL.USER
Change to the factory calibration of the signal input.
Factory settings
SET.FACTORY
Reset to factory settings.
Serial interface
SER.I/O
Configuration of serial interface.
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