SI21 Solar Pump VFD Manual
0: Target frequency
1: Operating frequency
LED "00" digit: Reserved
0: Invalid
1: Active power to remove stator resistance
loss
LED "000" digit: Power Display
Dimensions
0: Power display percentage (%)
1: Power display kilowatt (kW)
LED "0000" digit: Reserved
● Communication Parameters
Range of settings and definition
Factory default
(setting range)
Modbus
communicatio
n address
V/F SVC
0: (N, 8, 1) no parity,
Data bits: 8,
Stop position: 1
1: (E, 8, 1) even parity,
Data bits: 8,
Stop position: 1
2: (O, 8, 1) odd parity,
Data bits: 8,
Stop position: 1
3: (N, 8, 2) no parity,
Data bits: 8,
Stop position: 2
4: (E, 8, 2) even parity,
Data bits: 8,
Stop position: 2
5: (O, 8, 2) odd parity,
Data bits: 8,
Stop position: 2