Velocity Edge GX440 Instructions d'exploitation Page 339

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Functions, monitoring, and protective functions
9.3 Drive functions
Drive converter cabinet units
Operating Instructions, 10/2008, A5E00288214A
339
Unit groups
Each parameter that can be switched is assigned to a unit group which can be switched
within certain limits depending on the group.
This assignment and the units groups for each parameter appear in the parameter list in the
SINAMICS List Manual.
The unit groups can be individually switched using 4 parameters (p0100, p0349, p0505 and
p0595).
Parameter
p0010
Commissioning parameter filter
p0100
IEC/NEMA mot stds
p0349
Selection of units system, motor equivalent circuit diagram data
p0505
Selection of units system
p0595
Selection of technological unit
p0596
Reference variable of technological unit
p2000
Reference frequency/speed
p2001
Reference voltage
p2002
Reference current
p2003
Reference torque
p2004
Reference power
p2005
Reference angle
p2007
Reference acceleration
9.3.14 Derating behavior at increased pulse frequency
Description
To reduce motor noise or to increase output frequency, the pulse frequency can be
increased relative to the factory setting.
The increase in the pulse frequency normally results in a reduction of the maximum output
current (see "Technical data/current derating depending on the pulse frequency").
When commissioning the converter the behavior at overload is adjusted in such a manner
that the pulse frequency is variably reduced so that the required power can be obtained.
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