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15.3
Abbreviations used
15.4
Block diagrams
Simplified block diagrams are shown for each control mode on the following pages. The
Configuration Manual KH 6495-2 EN contains detailed block diagrams.
EB 6495-2 EN
145
AI
Analog input
AO
Analog output
DI
Digital input
DO
Digital output
DV
Auxiliary variable, disturbance
variable or leading process
variable in ratio control
e
Error signal
FB
Feedback
KP
Proportional-action coefficient
PV
Process value
PV0
Actual value at comparator
PVR
Actual ratio
PWM
Pulse width modulation
SO
Switch output
SP
Set point
SP1…4
Set point 1…4
SPI
Internal set point
SP0
Set point at comparator
SPC
Set point via interface
SPE
External set point, auxiliary variable,
disturbance variable
SPM
Set point of slave controller
(cascade control)
SPR
Set point ratio
TN
Reset time
TR
Input variable for output tracking,
auxiliary variable, disturbance
variable
TRC
Output tracking via interface
TV
Derivative-action time
TV.K
Derivative-action gain
Y
Manipulated variable
Y0
Operating point
YM
Output variable of master conroller
(cascade control)
Содержание TROVIS 6495 Series
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