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Cause:
The absolute value of the speed difference from the two setpoints (p2151, p2154) and the speed actual value (r2169)
exceeds the tolerance threshold (p2163) longer than tolerated (p2164, p2166).
The alarm is only enabled for p2149.0 = 1.
Possible causes could be:
- the load torque is greater than the torque setpoint.
- when accelerating, the torque/current/power limit is reached. If the limits are not sufficient, then it is possible that the
drive has been dimensioned too small.
- for closed-loop torque control, the speed setpoint does not track the speed actual value.
- for active Vdc controller.
For U/f control, the overload condition is detected as the Imax controller is active.
Remedy:
- increase p2163 and/or p2166.
- increase the torque/current/power limits.
- for closed-loop torque control: The speed setpoint should track the speed actual value.
- deactivate alarm with p2149.0 = 0.
F07904 (N, A) External armature short-circuit: Contactor feedback signal "Closed" missing
Message value:
-
Drive object:
All objects
Reaction:
OFF2 (NONE)
Acknowledge:
IMMEDIATELY
Cause:
When closing, the contactor feedback signal (p1235) did not issue the signal "Closed" (r1239.1 = 1) within the monitoring
time (p1236).
Remedy:
- check that the contactor feedback signal is correctly connected (p1235).
- check the logic of the contactor feedback signal (r1239.1 = 1: "Closed", r1239.1 = 0: "Open").
- increase the monitoring time (p1236).
- if required, set the external armature short-circuit without contactor feedback signal (p1231 = 2).
Reaction upon N: NONE
Acknowl. upon N: NONE
Reaction upon A: NONE
Acknowl. upon A: NONE
F07905 (N, A) External armature short-circuit: Contactor feedback signal "Open" missing
Message value:
-
Drive object:
All objects
Reaction:
OFF2 (NONE)
Acknowledge:
IMMEDIATELY
Cause:
When opening, the contactor feedback signal (p1235) did not issue the signal "Open" (r1239.1 = 0) within the monitoring
time (p1236).
Remedy:
- check that the contactor feedback signal is correctly connected (p1235).
- check the logic of the contactor feedback signal (r1239.1 = 1: "Closed", r1239.1 = 0: "Open").
- increase the monitoring time (p1236).
- if required, set the external armature short-circuit without contactor feedback signal (p1231 = 2).
Reaction upon N: NONE
Acknowl. upon N: NONE
Reaction upon A: NONE
Acknowl. upon A: NONE
F07906
Armature short-circuit / internal voltage protection: Parameterization error
Message value:
Fault cause: %1, motor data set: %2
Drive object:
All objects
Faults and alarms
13.2 List of faults and alarms
SINAMICS S210 servo drive system
468
Operating Instructions, 12/2017, A5E41702836B AA
Содержание SIMOTICS S-1FK2
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Страница 12: ...Table of contents SINAMICS S210 servo drive system 10 Operating Instructions 12 2017 A5E41702836B AA ...
Страница 226: ...Ordering data 11 5 Spare parts SINAMICS S210 servo drive system 224 Operating Instructions 12 2017 A5E41702836B AA ...
Страница 292: ...Parameters 12 2 List of parameters SINAMICS S210 servo drive system 290 Operating Instructions 12 2017 A5E41702836B AA ...
Страница 766: ...Index SINAMICS S210 servo drive system 764 Operating Instructions 12 2017 A5E41702836B AA ...
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