Heavy Duty And Normal Duty Ratings - YASKAWA V1000 Series Installation & Start-Up 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).
Refer to Table A.1
capacity ratings appear are listed on the following pages.
Setting
Parameter Rated Output Current
C6-01
0: Heavy Duty HD Rating
(default) varies by model
ND Rating
1: Normal Duty
varies by model
<1> The following pages list information on rating changes based on drive model.
HD and ND
TERMS TERMS TERMS
• HD refers to applications requiring constant torque output, while
ND refers to applications with variable torque needs.
• The drive allows the user to select HD or ND torque depending on
the application. Fans, pumps, and blowers should use ND
(C6-01 = "1"), and other applications generally use HD
(C6-01 = "0").
• Differences between HD ratings and ND ratings for the drive
include rated input and output current, overload capacity, carrier
frequency, and current limit.
• The default setting is for HD.
314
YASKAWA TM.V1000.01 V1000 Drive Installation & Start-Up Manual (Preliminary 01-19-07)
for the differences between HD and ND. Specifications for
Table A.1 Selecting the Appropriate Load Rating
150% rated output current
for 60 s
<1>
120% rated output current
for 60 s. Varies by model
<1>
Overload Tolerance
<1>
Carrier Max Output
Frequency Frequency
2-15 kHz
varies by model
2 kHz
400 Hz
400 Hz