Rockwell Automation 8720MC Drives Integration Manual User Manual
Page 184
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Publication 8720MC-IN002A-EN-P — December 2002
C-72
Programming Parameters
Name: R1-Motor_Stator
Data Type: unsigned Integer
R/W
Parameter No.
787
File:
Motor/Drive
Group:
Motor Data
Description: This parameter defines the per unit stator phase to neutral resistance R
1
@ 25° C in % (for
asynchronous 8720SM motors). This parameter is set to zero for synchronous motors (MPL-B8xxx/-B9xxx).
Default:
per motor
Length
2 byte
Minimum/Maximum
Min.
≥ 0
Max.
≤ +30.000
Scaling Resolution
10
-3
Units
%
Name: R2-Motor_Rotor
Data Type: Unsigned Integer
R/W
Parameter No.
788
File:
Motor/Drive
Group:
Motor Data
Description: This parameter defines the per unit rotor phase to neutral resistance as referred to the stator @ 25°
C in % (for asynchronous 8720SM motors). This parameter is set to zero for synchronous motors (MPL-B8xxx/
-B9xxx).
Default:
per motor
Length
2 bytes
Minimum/Maximum
Min.
≥ 0
Max.
≤ +30.000
Scaling Resolution
10
-3
Units
%
Name: X1-Stat_Self/Lk
Data Type: Unsigned Integer
R/W
Parameter No.
789
File:
Motor/Drive
Group:
Motor Data
Description: This parameter defines the per unit motor stator leakage reactance at base frequency.
Default:
per motor
Length
2 bytes
Minimum/Maximum
Min.
≥ 0
Max.
≤ +30.000
Scaling Resolution
10
-3
Units
%
Name: XM-Stator Mutual
Data Type: unsigned Integer
R/W
Parameter No.
790
File:
Motor/Drive/
Fdbk
Group:
Motor Data
Description: This parameter defines the per unit asynchronous motor (8720SM) stator magnetizing reactance @
base frequency, phase to neutral. This is also the per unit synchronous motor (MPL-B8xxx/-B9xxx) stator
magnetizing reactance at 1000 rpm (phase to neutral)
Default:
per motor
Length
2 byte
Minimum/Maximum
Min.
≥ 0
Max.
≤ +300.00
Scaling Resolution
10
-2
Units
%