Rockwell Automation 825 Smart Motor Manager User Manual - Manual (Page 122)

6-3 Commissioning and Operation
Publication 825-UM001B-EN-P January 2001
Motor Current
• Ensure that the current converter’s rated current in amperes is equal to the ampere
rating on the nameplate of the motor.
• Set the current converter rated current based on the service current of the motor, if
the installation or motor nameplate current is not known.
1. Set the motor current approximately 10…20% higher than the assumed service
current.
2. With the installation running normally, read the motor current on the LCD.
3. Set the current converter to the service current reading.
EXAMPLE
➊ In software versions 3.11 and later, the motor current can be displayed in amperes (A) and be set directly.
Set current:
Measured motor current:
Setting to service current ➊:
The motor current is now ➊:
FULL LOAD CURR
140 A
I MOTOR 85 % Ie
Service current
% ,
e
( ) ,
e
×
100
----------------------- 85 140 A
×
100
--------------------- 119 A = = =
FULL LOAD CURR
119 A
I MOTOR 100 % Ie