Siemens Simovert 6SE70 Series Operating Instructions Manual page 211

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09.02
Fault Fault description
No.
F082 TB/CB Telegr
TB/CB telegram failure
The exchange of data has been
interrupted.
P695 defines the telegram failure time
F090 Circuit ID F
Circuit identification not possible
F091 Circuit ID C
Circuit identification or forming aborted
due to external cause.
If circuit identification is aborted, only
those parameters are modified whose
assignment was completed before this
fault occurred.
Siemens AG 6SE7087-6AK85-1AA0
Rectifier/Regenerating Unit Operating Instructions
AoteWell LTD
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Fault Meaning
value
CB alarm channel faulty
1
2 TB alarm channel faulty
3 TB error channel faulty
4 CB task channel (CB
5 CB answer channel (CUR
faulty
6 Internal error
7 TB task channel (TB
8 TB answer channel (CUR
faulty
9 Internal error
10 CB/TB Telegram failure
11 PMU task channel (CUR
faulty
12 PMU answer channel (TB
faulty
21 CB/TB setpoint channel faulty
22 CB/TB actual value channel faulty
1 If generating mode is inhibited
(P076 = xx1), circuit identification is
not possible!
2 α
If
current flows (less than 25% of the
rated DC current with
P160=150.0% or less than 10%
with P160=60.0%)
3 P141 (Rectifier Induct.) and/or
P143 (Inverter Induct.) and/or P144
(C for DC link) could not be
identified
4 A waiting time of 20s has already
elapsed but the circuit identification
cannot be carried out because the
DC link voltage is too high
(Ud>20% of 1.35 * P071)
1 The abort took place because the
RUN or "R" status was exited for
some reason (e.g. brief power
outage) during forming or circuit
identification.
2 The abort took place because the
reserve data set selection changed
during forming or circuit
identification.
3 The abort took place because the
OFF command was given.
4 The abort took place because an
ON command was not given within
20 sec after selecting the forming
function (P052=20) or the circuit
identification function (P052=21)
5 The abort took place because the
"Inhibit regenerating" command
was given during circuit
identification (see control word 1,
bit 12 and P572)
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CUR) faulty
→
CB)
→
CUR) faulty
→
TB)
→
TB)
→
CUR)
→
= 30°, not enough rectifier
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Fault and Alarm Messages
Possible causes
Countermeasures
-
- Set P076 = x2
- Connection to DC link interrupted
- Commutating inductance too low
(see Section 3.1)
- Connection to DC link interrupted
- Another unit is supplying the DC
link
- Wait until the DC link has
discharged sufficiently, then start
circuit identification again
-
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