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9
ANTRIEBSTECHNIK
6
11
9
KEB COMBIVERT F4-C
Name: Basis
6
30.01.98
Functional Description
PI-Controller
©
KEB Antriebstechnik, 1997
All Rights reserved
Chapter
Section
Page
Date
cn.22 Actual value preset
-100%...100%
±REF_int.
REF_int.
Option_int.
PI-Controller
ru.10 Current inverter utilization
(Torque-Control)
ru.7 Load
(Constant current control)
cn.20 Actual value source
0
1
2
3
5
4
Picture 6.11.5
Percental actual value calculation
6.11.5 Actual Value
Calculation %
The percental actual value is effective at the setting cn.0 Bit1+2= „0…2“. One of three
analog channels, the active current, the load or a fixed preset value can be used as
actual value. With cn.20 the source of the actual value signal is determined.
Actual value source (cn.20)
The actual value source (cn.20) determines from where the PI-Controller receives
the actual value signal. Following signal are available:
cn.20 Signal
Function
0
±REF_internal
Signal of ±REF-input at the output of zero point
hysteresis An.2 (see Chap. 6.2)
1
REF_internal
Signal of REF-input at the output of zero point hysteresis
An.8 (see Chap. 6.2)
2
Option_internal
Signal of optional input at the output of zero point
hysteresis An.2 (see Chap. 6.2)
3
Setting with cn.22 Actual value is preset with cn.22 in the range of
-100,0...100,0%
4
Active current
The active current 0…200% displayed in parameter
ru.10 is used as actual value signal (100% = I
rated
)
5
Load
The load 0…200 % displayed in parameter ru.7 is used
as actual value signal (100% = I
rated
)