Description
Original instructions
Function description
These functions are used to specify the dead zone for controlled variables.
EN and ENO can be configured as additional parameters.
Formula
Block formula:
Assuming: DZ ≥ 0
Y = GAIN x X for -DZXDZ
Y = (X - DZ) + GAIN x DZ for X > DZ
Y = (X + DZ) - GAIN x DZ for X < -DZ
Appearance in FBD
Block Presentation DEAD_ZONE:
Appearance in LD
Block Presentation DEAD_ZONE:
Appearance in IL
Block Presentation DEAD_ZONE:
LD Input
DEAD_ZONE HalfWidth, Gradient
ST Output
Appearance in ST
Block Presentation DEAD_ZONE:
Output := DEAD_ZONE (Input, HalfWidth, Gradient) ;
Parameter description
Description of input parameters:
Parameter
Data type
Description
X
Input variable
DZ
REAL
Half width of the dead zone
GAIN
REAL
Gradient within the dead zone
Description of output parameters:
Parameter
Data type
Description
Y
REAL
Output variable
Runtime error
For a list of all block error codes and values, see Measurement.