5 Parameter
BU 0200 en-US-4920
131
5 Parameter
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WARNING
Unexpected movement
Connection of the supply voltage may directly or indirectly set the device into motion. This may cause
unexpected movement of the drive and the attached machine, which may result in serious or fatal
injuries and/or material damage. Possible causes of unexpected movements are e.g.:
– Parameterization of an "automatic start"
– Incorrect parameterization
– Control of the device with an enabling signal from a higher level control unit (via I/O or bus
signals)
– Incorrect motor data
– Incorrect encoder connection
– Release of a mechanical holding brake
– External influences such as gravity or other kinetic energy which acts on the drive unit
– In IT systems: System fault (ground fault)
• To avoid any resulting hazard, the drive or drive chain must be secured against unexpected
movements (mechanical blocking and/or decoupling, provision of protection against falling, etc.). In
addition, make sure that there are no persons within the area of action and the danger area of the
system.
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WARNING
Unexpected movement due to parameter changes
Parameter changes become effective immediately. Dangerous situations can occur under certain
conditions, even when the drive is stationary. Functions such as
P428
"Automatic starting" or
P420
"Digital inputs" or the "Brake off" setting can put the drive in motion and put persons at risk due to
moving parts.
Therefore:
• Changes to parameter settings must only be made when the FEHLER - Variable ohne Inhalt is not
enabled.
• During parameterization work precautions must be taken to prevent unwanted drive movements
(e.g. lifting gear plunging down). The danger area of the system must not be entered.
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