Control Techniques Mentor MP User Manual

Menu 5
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Parameter x.00
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Performance
90 Mentor MP Advanced User Guide
www.controltechniques.com Issue Number: 4
When in current mode [Pr 5.75 = OFF (0)] this is the maximum flux limit of the field weakening voltage loop. The maximum value of this parameter
depends upon the setting of the rated current Pr 5.70 {SE10, 0.31}.
MAX_FIELD_FLUX = 100 x 25 / Pr 5.70 {SE10, 0.31}.
For values of Pr 5.70 {SE10, 0.31} less than 20.8A the MAX_FIELD_FLUX will be limited to 120 %.
This parameter becomes the maximum voltage demand when field voltage mode is selected Pr 5.75 = On (1).
When in current mode [Pr 5.75 = OFF (0)] this is the minimum value of flux demand to prevent excessive field weakening and hence over speeding.
This parameter becomes the minimum voltage demand when field voltage mode is selected Pr 5.75 = On (1).
If Flux feedback is selected from Pr 5.89 and the value falls below that of the value set in Pr 5.69, then no action can be taken by the drive as it does
not control the Flux demand.
This parameter will be set to the field current of the motor and will define the 100 % point for the field controller.
Increasing this parameter will allow the loop to track the current demand more closely. Setting the value too high will result in instability.
5.68
Maximum flux / Voltage limit
Coding
BitSP FI DETEVMDPNDRANCNVPTUSRWBUPS
11 111
Range
0 to MAX_FIELD_FLUX %
Default
100 %
Update rate Background read
5.69
Minimum flux / Voltage limit
Coding
BitSP FI DETEVMDPNDRANCNVPTUSRWBUPS
1 111
Range
0 to 120.0 %
Default
50 %
Update rate Background read
5.70
{SE10, 0.31}
Rated field current
Coding
BitSP FI DETEVMDPNDRANCNVPTUSRWBUPS
12 1 1111
Range
0 to FIELD_CURRENT_SET_MAX
Default
Size 1 - Eur: 2A, USA: 8A
Size 2A&B - Eur: 3A, USA: 20A
Size 2C&D - Eur: 5A, USA: 20A
Second motor
parameter
Pr 21.24
Update rate Background read
5.71
Flux loop P gain
Coding
BitSP FI DETEVMDPNDRANCNVPTUSRWBUPS
2 111
Range
0 to 30.00
Default
3
Second motor
parameter
Pr 21.31
Update rate Background read
NOTE

Control Techniques Mentor MP Specifications

General

Brand	Control Techniques
Model	Mentor MP
Category	DC Drives
Language	English