Lenze 8400 - LPctrl1

17 Function library
17.1 Function blocks | L_PCTRL_1
1461
Lenze · 8400 HighLine · Reference manual · DMS 12.0 EN · 06/2017 · TD23
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17.1.134 L_PCTRL_1
This FB is a PID controller and can be used for various control tasks (e.g. as dancer position controller,
tension controller, or pressure controller).
The FB is provided with the following functions:
• Adjustable control algorithm (P, PI, PID)
• Ramp function generator for preventing setpoint step-changes at the input
• Limitation of the controller output
• Factorisation of the output signal
• Vp adaptation
• Integral action component can be switched off
• Comparison function "Actual value = setpoint"
Inputs
Designator
Data type
Information/possible settings
nAdapt_a
INT
Percentage adaptation of the gain Vp set in C00222 and the reset time Tn set in
C00223
.
Then, the adapted reset time is as follows:
• Internal limitation to ± 199.99 %
• Changes can be done online.
• Display parameter: C00830/62
nNset_a
INT
Speed setpoint
• Scaling: 16384 ≡ 100 %
• Internal limitation to ± 199.99 %
• Display parameter: C00830/89
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Tn
Vp
C222
nAdapt_a [%] Tn
C223
[ms]⋅⋅
100 [%]
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