Lenze Range 7800 User Manual
Page 28
checked:
19.04.89
MB 33.0831 GB
page:
27
Function code 28
The tunction code 28
allows
tor an automatic connection ot
the
inverter after a short—time inains tailure.
main s
L1, L2,L3
FWD(REV)
motor
speed
The trequency inverter adapts
its rotatlonal tield trequency
to
the speed ot the idling motor and then connects the motor
after subsequent reconnection ot the xnains.
The drive then
accelerates
to its set—value,
tollowing the set acceleration
ramp.
Data code:
FIJ
:
Funotion inactive
04
:
Function
active
8.
Fault diaqnosis
lt
the inverters sets
TRIP,
the type ot fault
is displayed.
The coding
is given in the tollowing table.
Display
Type
ot
tault
0-perating
fault
Controller tailure
Overcurrent during acceleration
Overcurrent during deceleration
Overcurrent at constant speed
Overvo ltage
Undervoltage
Inverter overtemperature „TI-flV‘
or
external temDerature
switch
S8
(ezterrial
TRL?
release)
Motor
ov‘~rloir~
The
displays
OCl,
0C2
and 0C3 may also indicate
a short—circuit
or earth circult of
the motor terminals U,
V,
W.
ET4
6/fa
1
3
1
2
3
Err
Err
Oc
QC
OC
GMJ
LU
OL
1
CL
7