Lenze 4800 Manual page 100

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7.1.1.7 Limitation of the speed set-value
Main and additional set-values are lined via the arithmetic block 1 and then limited
via a limitation element with adjustable limits (C286, C287). This function can be
used if certain negative or positive values must not be exceeded during operation.
Configuration C005 = -10- ... -53-
C145/C146
C145/C146
FIG 7-4
Code Name
C286*¤ Upper limit
of the
speed
setpoint
C287*¤ Lower limit
of the
speed
set-value
21
CW
n
max
n
set 1
C011
C046
0
1
C041
CW/CCW
JOG 1
FDE
JOG 2
Enable
JOG x
n
set 2
C049
100 %
0
1
FDE
Z off
set
Signal-flow chart for speed set-value selection with limitation element
Possible settings
Lenze Selection
180% -100.0 % {0.1 %}
-180 % {1 %}
-180% -100.0 % {0.1 %}
-180 % {1 %}
22
CCW
C012 T
ir
C013 T C182
if
QSP C134
C190
+
`
-
C46
100% - C49
FDE
RFG stop
FDE
RFG zero
QSP
SPI
C220, C221
Info
+100.0 % Upper limit of the speed setpoint for C050
+180 % C286 must be higher than C287!
+100.0 % Upper limit of the speed setpoint for C050
+180 % C287 must be smaller than C286!
Configuration
C042
QSP
C105
·
/
C286 C287
in % of n
max
C050
n at n-controller
set
in % of n
max
n-controller
4900Str031
48XX/49XXSHB0399
7-9