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Monitoring Functions
9.4 Cos-Phi< (lower limit)
9.4
Cos-Phi< (lower limit)
Cos-Phi< (lower limit)
Cos phi monitoring monitors the load condition of inductive loads. The main field of
application is for asynchronous motors in 1-phase or 3-phase networks with loads that
fluctuate significantly. The power factor fluctuates more than either the motor current or the
active power does, particularly in the low-end performance area of a motor. Therefore, power
factor monitoring is particularly suitable for distinguishing between non-load operation and
faults, e.g. a broken drive belt or a drive shaft. If the set Trip Level or Warning Level is
undershot, a signal is generated of the motor is switched off, depending upon the setting.
Trip Level (CiR), Warning Level (CiR)
You can parameterize 2 different response levels (Trip Level/Warning Level) for power factor
(cos phi) monitoring.
Trip Level:
Warning Level:
Trip Level and Warning Level activity
The Trip Level/Warning Level is only effective when the motor is running, the start-up
procedure has been completed and there is no Test Position Feedback (TPF) (run+).
Response at Trip Level
Here you can set how SIMOCODE pro should respond if the set Trip Level is undershot:
Response
Disabled
Signaling
Warning
Tripping
Range
Preset
54
0 to 100 % of I
0 to 100 % of I
Trip level
X
X
-
X
0 to 25.5 s
0.5 s
Programming and Operating Manual, 05/2020, A5E44499659002A/RS-AA/001
s
s
SIMOCODE PRO V PN FDI
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