SD1 Series Inverters Function Parameters
-80-
Name Description Default Modify
no less than 10% of the inverter
the inverter
ramp frequency is 0 Hz and the
inverter
output current is less than 10% of the
inverter rated current or the inverter stops
running, the fan stops running within 1 minute.
P08.40 PWM selection
Ones place: PWM mode selection
0: PWM mode 1, three-
two-phase modulation
1: PWM mode 2, three-phase modulation
Tens place: low-speed
mode
0: Low-speed carrier frequency limit mode 1, the
carrier frequency will limit to 1k or 2k if it exceeds
2k at low speed
1: Low-speed carrier frequency limit mode 2, the
carrier frequency will limit to 4k if it exceeds 4k at
low speed m
0x01 ◎
P08.41
Overmodulation
selection
Ones place:
0: Disabled
1: Enabled
Tens place:
0: Light overmodulation; restricted in zone 1
1: Heavy overmodulation; restricted in zone 2
For inverters of 1PH 220V/3PH 380V (≤2.2kW)
and 3PH 220V (≤0.75kW), the default value is
00.
for those of 3PH 380V (≥4kW) and 3PH 220V
(≥1.5kW), the default value is 01.
0x00
◎
0x01
P08.42
Keypad digital
control setting
Ones place: frequency enable selection
0: Both ∧/∨
keys and analog potentiometer
adjustments are valid
1: Only ∧/∨ keys adjustment is valid
2:
Only analog potentiometer adjustments is
valid
∧
∨
keys nor digital potentiometer
0x0000
○