ABB i-bus
®
KNX
Parameters
128 2CDC508198D0211 Rev. A | AC/S 1.x.1
PID Controller (PID)
The controller calculates the output value from the difference between the Setpoint and the Actual Value.
The control parameters are proportional coefficient, integral time and derivative time.
Inputs
1
Numerical,
1 byte or higher
S
Setpoint Always
Target value of controller, e.g.
target room temperature
3
Numerical,
1 byte or higher
PF
Parametrizable Controller gain
4
Numerical,
1 byte or higher
IZ Integral time Parametrizable
Integral time in [s]; typical value
range: 60...900 s
5
Numerical,
1 byte or higher
DZ Derivative time Parametrizable
Derivative time in [s]; typical
value range: 1...10 s
6 1 bit R Reset Always
Clears the integral element in the
controller
As long as R = 0 the integral
Outputs
1
Numerical,
1 byte or higher
A Output Always
Typically 1 byte unsigned