KEB COMBIVERT F4-C Applications Manual

5
ANTRIEBSTECHNIK
6
11 5
KEB COMBIVERT F4-C
Name: Basis
6
30.01.98
Functional DescriptionPI-Controller
© KEB Antriebstechnik, 1997
All Rights reserved
Chapter
Section
Page
Date
set value
actual value
PI-Control
Set value calculation [%]
actual value calculation [%]
Encoder interface ru.47
Hz
%
%
Hz
Diameter
correction
ru.30
Controller
limits
Slip
calculation
off
012,3
3
0...2
3
0...2
cn.0 Bit 1+ 2
ru.46 ru.3
f_
out
f_ Ramp
Analog output
An.14="6"
s. chapter 6.2.10
Set value source
oP.0="18...20"
s. chapter 6.4.2
cn.25
f
set
fmax(ud.11)/8=100%
e.g. at ud.11=0
51,2 Hz = 100 %
Picture 6.11.2.a Controller selection
Determination of control With cn.0 Bit 1 and 2 it is determined how the PI-Controller is integrated or used in
the unit.
cn.0 Bit 1 and 2 = „0“ or „1“ the PI-Controller works like an external regulator. The controlled variable is displayed
in ru.30.
It can be outputted on the analog output
Set value
Actual value
PI-Controller
Set value calculation [%]
Actual value calculation [%]
ru.30
Analog output
An.14="6"
see chap. 6.2.10
Set value
Actual value
PI-Controller
Set value calculation [%]
Actual value calculation [%]
ru.30
Set value setting
oP.0="18...20"
see chap. 6.4.2
or used for the set value setting with oP.0 =18...20.
Set value calculation [%]
Set value
Actual value
PI-Controller
Speed detection
f presetting
+
+
f_out
cn.0 Bit 1 and 2 = „2“ At this setting the PI-Controller changes the output frequency directly, i.e. the action
takes place after the ramp generator. Typical application for this type of control is the
dancing position control.

KEB COMBIVERT F4-C Specifications

General

Brand	KEB
Model	COMBIVERT F4-C
Category	DC Drives
Language	English