Rockwell Automation 8720MC Drives Integration Manual User Manual
Page 183

Publication 8720MC-IN002A-EN-P — December 2002
Programming Parameters
C-71
Name: Motor_Max_Volts
Data Type: unsigned Integer
R/W
Parameter No.
783
File:
Motor/Drive/
Fdbk
Group:
Motor Data
Description: This parameter defines the maximum DC bus voltage required in the constant power region.
Default:
Motor
Specific
Length
2 bytes
Minimum/Maximum
Min.
≥ 0
Max.
≤ +6553.5
Scaling Resolution
.1
Units
volts
Name: Mtr_Rated_Volts
Data Type: Unsigned Integer
R/W
Parameter No.
784
File:
Motor/Drive
Group:
Motor Data
Description: This parameter defines the nominal DC bus voltage required to achieve base speed and rated
torque.
Default:
Motor
Specific
Length
2 bytes
Minimum/Maximum
Min.
≥ 0
Max.
≤ +6553.5
Scaling Resolution
.1
Units
volts
Name: Rated_Torque
Data Type: Unsigned Integer
R/W
Parameter No.
785
File:
Motor/Drive/
Fdbk
Group:
Motor Data
Description: This parameter defines the continuous torque rating of the motor at base speed (8720SM) and stall
(MPL-B8xxx/-B9xxx) at 40° C
Default:
Length
2 bytes
Minimum/Maximum
Min.
≥ 0
Max.
≤ +6553.5
Scaling Resolution
10
-1
Units
newton-me
ters or
newtons
Name: Motor_Back_EMF
Data Type: Unsigned Integer
R/W
Parameter No.
786
File:
Motor/Drive/
Fdbk
Group:
Motor Data
Description: This parameter defines the synchronous motor (MPL-B8xxx/-B9xxx) back emf phase to phase
constant at 25° C. This is set to zero for asynchronous motors (8720SM).
Default:
0
Length
2 bytes
Minimum/Maximum
Min.
≥ 0
Max.
≤ +655.35
Scaling Resolution
10
-2
Units
volts rms