FXMP25 User Guide 39
Issue Number: 3 www.controltechniques.com
Safety information
Product
information
Mechanical
installation
Electrical
installation
Getting started
Parameters
Setting-up Technical data Diagnostics UL listing information
Increasing this parameter will allow the loop to track the current demand more closely.
Setting the value too high will result in instability.
Increasing this parameter will allow the loop to track the flux demand more closely.
Setting the values too high will result in instability.
This parameter should be set to the rated field voltage of the motor.
The name plate rated field current is normally quoted for a cold field. At this level of
current, the machine is over-fluxed which causes the back EMF of the machine to be
higher than expected. The parameter can be adjusted by monitoring the armature
voltage while running at full speed. See Pr 30 on page 30 for further information.
71 Flux loop P gain
Coding
Bit FI Txt VM DP ND US RW BU PS
2111
Range 0 to 30.00
Default 3.00
Update rate Background read
72 Flux loop I gain
Coding
Bit FI Txt VM DP ND US RW BU PS
1111
Range 0.00 to 300.0
Default 60.0
Update rate Background read
73 Rated field voltage
Coding
Bit FI Txt VM DP ND US RW BU PS
111
Range 0 to 500 V
Default Eur: 360, USA: 300
Update rate Background read
74 Rated field compensation factor
Coding
Bit FI Txt VM DP ND US RW BU PS
111
Range 0 to 100 %
Default 100 %
Update rate Background
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