4-90
00-27
HD/ND selection
Range
0:
HD (Heavy Duty / Constant Torque)
1:
ND (Normal Duty / Variable Torque)
The inverter overload curve, carrier frequency, stalls prevention level, rated input/output current and maximum
frequency are automatically set based on the inverter duty (HD/ND) selection.
Please refer to table 4.4.2 for detailed information.
Table 4.4.2 Heavy Duty (Constant torque) / Normal Duty (Variable torque)
00-27
Overload
capacity
Carrier frequency
Maximum
output
frequency
Stall
prevention
level
Rated input /
output current
0
(Heavy Duty)
150%, 1min
2-16KHz
(KVA dependent)
599.00Hz
150%
(08-00, 08-01)
Refer to section
3.7
1
(Normal Duty)
120%, 1min
2-16KHz
(KVA dependent)
120.00Hz
120%
(08-00, 08-01)
00-27= 0: Heavy Duty Mode
Select V/F curve (Group 1) and enter motor data (Group 2) to match the application. In Heavy Duty mode the
maximum output frequency is 599Hz for all control modes, except for SLV mode (Sensorless Vector / Open Loop
Vector Mode) where the maximum output frequency is limited based on the inverter rating, see table below.
Horsepower
Special circumstances
Maximum output
frequency
220V 1~10HP, 440V 1~15HP
-
150Hz
220V 15~25HP, 440V 20HP
-
110Hz
440V 25~30HP
-
100Hz
220V 30~150HP, 440V 40~425HP,
Carrier frequency (11-01) set
8KHz or below
100Hz
220V 30~100HP, 440V 40~175HP,
Carrier frequency (11-01) set
8KHz or higher
80Hz
575V 1~10HP
-
150Hz
575V/690V 15~40HP
-
110Hz
575V/690V 50~535HP
Carrier frequency (11-01) set
8KHz or below
100Hz
575V/690V 50~535HP
Carrier frequency (11-01) set
8KHz or below
80Hz
00-27= 1: Normal Duty Mode
In normal duty mode only applies to control modes V/F and V/F + PG. All other modes must use the Heavy Duty
settings.