7 limiation of the speed setpoint, Limiation of the speed setpoint, Configuration – Lenze EDS4900U-REG User Manual
Page 100: 7 limitation of the speed set-value

Configuration
7-9
48XX/49XXSHB0399
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.
JOG 1
JOG 2
JOG x
FDE
0
1
`
21
22
QSP
C134
QSP
C012 T
C013 T
ir
if
C190
0
1
C105
QSP
n
n
max
C046
C011
C145/C146
C049
C145/C146
C042
max
/
-
·
+
C46
100% - C49
C286 C287
n
100 %
FDE
FDE
FDE
C182
max
C050
Configuration C005 = -10- ... -53-
C041
CW/CCW
CW
CCW
Enable
RFG stop
RFG zero
set 1
in % of n
Z
off
set
n
at n-controller
in % of n
n-controller
set
SPI
C220, C221
set 2
4900Str031
FIG 7-4
Signal-flow chart for speed set-value selection with limitation element
Code
Name
Possible settings
Lenze
Selection
Info
C286*
¤ Upper limit
of the
speed
setpoint
180%
-100.0 %
{0.1 %}
+ 100.0 %
-180 %
{1 %}
+ 180 %
Upper limit of the speed setpoint for C050
C286 must be higher than C287!
C287*
¤ Lower limit
of the
speed
set-value
-180%
-100.0 %
{0.1 %}
+ 100.0 %
-180 %
{1 %}
+ 180 %
Upper limit of the speed setpoint for C050
C287 must be smaller than C286!
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