Lenze 8200 Frequency inverters - Manual (Page 295)

Signal flow charts
8200SHB0199 16-4
16.2 Signal-flow charts for types 821X/822X/824X
16.2.1 Control structure control mode V/f control
8201BB
Operating
unit
Setpoint
serial
interface 3
1
0,2
C001
Motor
potentiometer
Konstant
UP
DOWN
C007
Setpoint selection
00
01
10
11
0 - 9
14 - 20
JOG 1
JOG 2
QSP
DC brake
C046
10 - 13
21 - 22
0Hz
Operating mode
C038
C037
C039
QSP
UP
DOWN
JOG 3
+
C052
+
Motor voltage
Inverter Vz - comp.
Terminal config.
C016
2;3
Vmin
Voltage calculation
4
C014 C036
V DC brake
fd < Qmin
0;2
1;3
C015 V/f-ref. point
C014 V/f-
characteristic
Ctrl.
enable
DC brake Reset
+
C021
Slip compensation
C012
C013
Ramp function generator
C105
+
C011
fdmax
C050
- motor mode
+ gen. mode
fd soll
fd
Slip
compensation. [%]
Motor
current
evaluation
Imax controller
-
+
C023 Limit value gen. mode
C022 Limit value motor mode
C054
Motor current [A]
(act. value)
C056
Load display [%]
C056
C144
fd act
Chopper frequency
1
0
2
3
4
5
C018
CW
CCW
1 + x
11
10
01
00
QSP
9
8
7
GND
internal
REF
+ 5,2V
A
D
50k 100k
Jumper
Filter
0 4 20
0
1
C034
Offset
C011 fdmax
C010 fdmin
V
0 - 20mA
4 - 20mA 0 - 5V 0 - 10V
U
V
W
50k 100
k
250
R
fd = fd set
0.1 Hz
fd = 0Hz
Qmin reached
(Hysteresis = )
fdmax
128
Qmin
fd set
C017
Qmin
+ motor mode
- gen. mode
C011
FIG 16-4 Signal flow 821X/822X/824X: Control structure control mode V/f-control
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