Heavy Duty And Normal Duty Ratings; Heavy Duty And Normal Duty Ratings - YASKAWA U1000 Technical Manual

A.1 Heavy Duty and Normal Duty Ratings
A.1 Heavy Duty and Normal Duty Ratings
The capacity of the drive is based on two types of load characteristics: Heavy Duty (HD) and Normal Duty (ND). The user
can select HD or ND torque depending on the application. Fans, pumps, and blowers should use ND, while other applications
generally use HD.
Refer to Table A.1 for the differences between HD and ND.
Setting Parameter C6-01
0: Heavy Duty
1: Normal Duty
(default)
<1> Refer to Power Ratings on page 477
Note: Differences between HD ratings and ND ratings for the drive include rated input and output current, overload capacity, and current limit.
476
Table A.1 Selecting the Appropriate Load Rating
Rated Output Current
<1>
HD Rating varies by model
<1>
ND Rating varies by model
for information on rating changes based on drive model.
150% rated output current for 60 s
120% rated output current for 60 s varies by model
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
Overload Tolerance