Lenze 4800 User Manual

Configuration
7-61
48XX/49XXSHB0399
7.4.4 Standstill excitation (field heating)
Purpose
With this function, a reduced field current can be set as field heating to avoid
condensation in the event of motor standstill.
4900Str048
-
C 188
F
C 083
C 231
C 187
C 316
C 318
&
0t
C 317
I
Fact
I -c o n tro lle
r
I
Fr
I
Fm in
I
Fset
Field current
setpoint
reduced
field current
A c tiv a tio n
field current reduction
Delay
RFR
Ctrl. inhibit
FIG 7-21 Standstill excitation
Code
Name
Possible settings
C
o
d
e
N
a
m
e
Lenze Selection Info
C316* Reduced
field current
20 % 0%I
Frated
{1 % I
Frated
} 100 % I
Frated
Reference: I
Frated
(C083)
With selection 0%, the ignition pulses of
the field controller are inhibited.
C317* Time delay
for the
reduced
field current
60 s 0.0 s {0.1 s} 10 s
10 s {1 s} 100 s
100 s {10 s} 3600 s
Time which is required to activate the
reduced field current after inhibiting the
controller.
C318* Activate
field current
reduction
0 -0- Field current reduction function is switched off
-1- Field current reduction function is switched on
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Lenze 4800 Specifications

General

Brand	Lenze
Model	4800
Category	Controller
Language	English