Functions
6.7 Substation monitoring
Motor starter (3RK1308‑0**00‑0CP0)
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Equipment Manual, 11/2019, A5E34821005002A/RS-AC/003
6.7
Substation monitoring
You can determine various system states with the help of the motor current and the current
limits.
System state
Current value
Protection by:
Motor operates more sluggishly,
e. g. due to bearing damage
Current is higher than normal
Upper current limit
Upper current warning limit
Motor operates more smoothly,
e. g. because the system has run out of
processing material.
Current is lower than normal
Lower current limit
Lower current warning limit
Motor is blocked
Very high current flowing
Blocking protection
•
Open circuit
•
Defective fuse
•
Motor idling
•
Power failure
•
No load connected
Very low current flowing
Minimum load undershot
Residual current detection