Application Manual CDA3000
5-127
5 Software functions
1
2
3
4
5
6
A
DE
EN
FR
Notes for control engineers:
f
out
< CLFRx (initial frequency)
If the actual speed of the motor is below the initial frequency CLFRx, the
preset ramp steepness ACCRx/DECRx is limited to a quarter.
f
out
> CLFRx (initial frequency)
(x) Representation of operation phases (1) to (5) in Table 5.81 and Figure 5.44
Figure 5.45 Dependency of the ramp steepness on the device rated current
dimensioned to the current limit value
Operating state / Load Function
• Braking, regenerative
• Acceleration, motorized
• Stationary, motorized
see Figure 5.45
• Braking, motorized
• Acceleration, regenerative
see Figure 5.46
Table 5.82 Modes of action of current-controlled startup/rundown
ACCRx
[%]
I
N
in
[%]
from CLCLx
CLRRx
[%]
DECRx
[%]
CLRRx
[%]
00
100
100
100 100
75
100
125
125
100
75
(1)
(2)
(3)
(4)
(5)
I
N
in
[%]
from CLCLx
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