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Lenze 8400 - LPctrl1

Lenze 8400
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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
E6HW(T$FW
E,2II
Q$FWBD
E,Q$FW
E(QDEOH,QIOXHQFH5DPS
Q,QIOXHQFHBD
Q2XWBD
Q16HWBD
Q6HWBD
Q$GDSWBD
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&
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&
&
&
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&.G
___
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_
___
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Q,6HWBD
&
Q3,'2XWBD
Q3,'2XWBD
Q,QIOXHQFH2XWBD
E,6HW
/B3&75/B
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E3,'2II
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Tn
Vp
C222
nAdapt_a [%] Tn
C223
[ms]⋅⋅
100 [%]
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