Motor speed monitoring
This function monitors the motor speed during operation.
Conditions
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In order to detect the current motor speed, the inverter must be enabled and the motor must rotate.
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For an exact monitoring, rated motor speed 0x2C01:004 (P320.04) and rated motor frequency 0x2C01:005 (P320.05) must be set correctly.
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For motor speed monitoring, it must be ensured that the speed limitation (0x6080 (P322.00) / max. motor speed) has a higher value than the actual monitoring (0x2D44:001 (P350.01)).
Details
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If the motor speed reaches the threshold set in 0x2D44:001 (P350.01), the response set in 0x2D44:002 (P350.02) takes place.
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With the setting 0x2D44:002 (P350.02) = "No response [0]", the monitoring function is deactivated.
Parameter
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Address
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Name / setting range / [default setting]
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Information
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0x2D44:001
(P350.01)
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Overspeed monitoring: Threshold
(Overspeed monit.: Threshold)
50 ... [8000] ... 50000 rpm
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Warning/error threshold for motor speed monitoring.
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If the motor speed reaches the threshold set, the response selected in 0x2D44:002 (P350.02) takes place.
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The parameter can be set and thus overwritten by selecting a motor in the engineering tool from the "motor catalog”.
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Depending on the parameter setting of 0x2D44:001 (P350.01) (Overspeed monitoring: threshold), the speed limitation (0x6080 / Max. motor speed) may become active before speed monitoring.
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0x2D44:002
(P350.02)
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Overspeed monitoring: Response
(Overspeed monit.: Response)
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Selection of the response to the triggering of motor speed monitoring.
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0
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No response
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1
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Warning
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2
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Trouble
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3
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Fault
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Options for optimizing the control loops