Faults and alarms
Overview of faults and alarms
3-968
© Siemens AG 2012 All Rights Reserved
SINAMICS S110 List Manual (LH7), 06/2012, 6SL3097-4AP10-0BP3
OFF3
QUICK
STOP
Brake along the
OFF3 down ramp
followed by pulse
inhibit
Closed-loop speed control (p1300 = 20, 21)
•
n_set = 0 is input immediately to brake the drive along
the OFF3 down ramp (p1135).
•
When zero speed is detected, the motor holding brake (if
parameters have been assigned for it) is closed. The
pulses are suppressed when the closing time of the
holding brake (p1217) expires.
Zero speed is detected if the actual speed drops below
the threshold (p1226) or if the monitoring time (p1227)
started when the speed setpoint <= speed threshold
(p1226) has expired.
•
"Switching on inhibited" is activated.
Closed-loop torque control (p1300 = 23)
•
Changeover to speed-controlled operation and other
reactions as described for speed-controlled operation.
STOP1
-
-
Under development
STOP2
-
n_set = 0
•
n_set = 0 is input immediately to brake the drive along
the OFF3 down ramp (p1135).
•
The drive remains in closed-loop speed control mode.
IASC/
DCBRAKE
-
-
•
For synchronous motors, the following applies:
If a fault occurs with this fault reaction, an internal arma-
ture short-circuit is triggered.
The conditions for p1231 = 4 must be observed.
•
For induction motors, the following applies:
If a fault occurs with this fault reaction, DC braking is
triggered.
DC braking must have been commissioned (p1232,
p1233, p1234).
ENCODER
-
Internal/external
pulse inhibit
(p0491)
The fault reaction ENCODER is applied as a function of
the setting in p0491.
Factory setting:
p0491 = 0 --> Encoder fault causes OFF2
Notice:
When changing p0491, it is imperative that the information
in the description of this parameter is carefully observed.
Table 3-2
Fault reactions, continued
List
PROFId-
rive
Reaction
Description
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