Rockwell Automation 8720MC Drives Integration Manual User Manual

Page 183

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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

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