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
for the differences between HD and ND.
Table A.1 Selecting the Appropriate Load Rating
Setting Parameter C6-01
Rated Output Current
Overload Tolerance
0: Heavy Duty
HD Rating varies by model
150% rated output current for 60 s
1: Normal Duty
(default)
ND Rating varies by model
120% rated output current for 60 s varies by model
<1>
Refer to Power Ratings on page 477
for information on rating changes based on drive model.
Note:
Differences between HD ratings and ND ratings for the drive include rated input and output current, overload capacity, and current limit.
A.1 Heavy Duty and Normal Duty Ratings
476
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
Summary of Contents for U1000 iQpump Drive
Page 705: ......