4 s-shaped ramp generator characteristic, 5 limitation of the frequency setting range – Lenze 8615E User Manual
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6.4
S-shaped ramp generator characteristic
For the ramp generator of the main set-value you can select two
different characteristics under C134:
•
linear characteristic for all constant accelerations
•
S-shaped characteristic for all jerk-free accelerations.
Code
Parameter
Meaning
Acceptance
C134
-0-
-1-
linear characteristic
S-shaped characteristic
SH + PRG
6.5
Limitation of the frequency setting range
If the drive must rotate in only one direction, because a reversal
may damage material or machine parts, you can restrict the setting
range of the output frequency to one direction of rotation under
C239.
Especially for configurations with closed-loop speed control the drive
may reverse for a short time.
Code
Parameter
Meaning
Acceptance
C239
-0-
-1-
f
d
-setting range bipolar
f
d
setting range unipolar, i.e. f
d
≥
0
SH + PRG