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Siemens SIMOVERT Master Drives 6SE70 Betriebsanleitung Seite 399

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06.01
Fault
Fault description
No.
F047
Int Fault
Non-permissible microprocessor status
The microprocessor is monitored by
internal hardware for non-permissible
states
F048
RAM Fault
RAM defective
Software-based checking of the
functionality of the RAM chips on the CUR
module
F049
Watchdog!
Watchdog timer has triggered a Reset
An internal hardware counter in the
microprocessor checks to see whether the
program for calculating the firing pulses is
executed at least about every 400 ms (on
average, it is executed every 2.7 to 3.3
ms). If this is not the case, the counter
triggers a Reset. F047 then appears.
F060
No MLFB
P070=0
F061
WrongPar Set
Parameter wrong or not yet set
Note about fault value 4, 5:
The U d reduction is then considered to be
"selected" if while the basic setting
P571.i001 ≠ 0 active or while the standby
setting P571.i002 ≠ 0 active, or if P323=1.
Autotransformer connected incorrectly
Siemens AG
6SE7087-6AK85-0AA0
Common Rectifier
Operating Instructions
Fault
Meaning
value
-
-
-
-
-
-
-
-
3
P141 (Rectifier Induct.), P143
(Inverter Induct.) or P144 (C of DC
link) are = 0.00
4
P318 is too large (with U
selected) or P776 is set too small
to facilitate constant regenerative
operation with continuous DC link
current for the current ratio of
rectifier/regenerating supply
voltage.
5
P318 is too large (with U
selected) to facilitate constant
regenerative operation with
pulsating DC link current for the
current ratio of
rectifier/regenerating supply
voltage.
6
U
Supply,
regenerati
ng
<
U
Supply,
rectifier
7
P076 ≠ 0xx UND Unit is an E unit
(P070 ≥ 101)
8
P076 = 10x, 20x or 21x
(i.e. more parallel recovery power
sections are parameterized than
parallel feed power sections)
Fault and Alarm Messages
Possible causes
Countermeasures
- CUR module faulted
- Excessive interference (e.g. by
contactors without RC elements,
unshielded cables, faulty
shielding connections ...)
- RAM defective (replace the CUR
module)
- CUR module defective
- Excessive interference (e.g. by
contactors without RC elements,
unshielded cables, faulty
shielding connections)
- After acknowledging in
BOOTSTRAP, enter a suitable
parameter value for the unit with
P070 MLFB (6SEE70..) (only
possible with the corresponding
access stages of the two access
parameters; see Section 4.3.9.2).
- Carry out circuit identification
(P052 = 21)
reduction
As the inverter step limit P776 with
d
respect to the commutation
duration (depending on u
the network) has an upper limit,
P318 has to be set lower, or U
reduction has to be activated via
P571if it is not currently active.
The following must apply:
U
P318
U
Supply,
or.
if operating without U
U
100%
U
Supply,
reduction
P318 has to be set lower, or U
d
reduction has to be activated via
P571if it is not currently active.
The following must apply:
U
supply,
P318
or
if operating without U
U
Supply,
100%
U
1
1,1
- Set P076 correctly
- Set P076 correctly
ENGLISH
value of
K
d
Supply,
reg.
100%
cosP776
rect.
reduction:
d
Supply,
reg.
100%
cosP776
rect.
d
regenerati
ng
87
,
62
%
U
Supply,
rectifier
reduction:
d
regenerati
ng
8
, 7
62
%
Supply,
rectifier
7-5

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