Lenze L-force HighLine C 8400 Series Reference Manual page 291

t [s]
360
300
240
180
120
60
0
f: Output frequency
t: Release time
I : Rated current of drive controller at a switching frequency of f = 8 kHz
N
I : Rated motor current (see nameplate of motor)
r
C00054: Apparent motor current
C00120: Motor overload setting
[5-34] Tripping characteristic of the I
Example:
C00120 = I
r
C00054 = 150 % rated motor current
 After approx. 60 seconds,
frequencies f > 40 Hz.
 The controller outputs the
response set in

Tip!
• If forced ventilated motors are used, a premature response of the overload
threshold can be avoided by deactivating this function if necessary
(C00606
• The current limits set in
in an indirect way. However, the operation of the motor at maximum possible
load can be averted.
Firmware ≤ 11.00 - DMS 6.0 EN - 10/2011
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I x 100 %
r
C00120 < C00120 =
I
N
f = 0 Hz
0 0.5
2
xt monitoring
/I x 100 %
N
C00066
"OC6: I2xt overload
C00606 (default setting: "Warning").
= "0: No Reaction").
C00022
Defining current and speed limits
L
8400 HighLine C | Reference manual
I x 100 % I x 100 %
r r
C00120 >
I
N
f = 20 Hz
f > 40 Hz
1.0 1.5
has reached the final value (100 %) at output
motor" error message and triggers the
and C00023 influence the I
Motor control (MCTRL)
Monitoring
I
N
2.0 C00054
I
r
2
xt calculation only
( 147)
291