Veichi SI21 - Page 33

SI21 Solar Pump VFD Manual
31
● Photovoltaic Pump Special Parameters
Parameter
(address)
Function
Description
Range of settings and definition
Factory default
(setting range)
Notes
F21.00(0x5500)
Solar pump drive
control mode
LED0 Mode selection
0:Variable frequency control mode
1:CVT mode for solar
2:MPPT mode for solar
LED00 Operation selection
0: Continuous Operation
1:Inermittent Operation
2: Pump Clear
LED000 Reserved
LED0000 Motor selection
0:Three-phase Motor
1:Single-phase Motor
0002
F21.01(0x5501)
Running control
mode
0:Stop
1:Running 2:Sleep
3:Low speed protection
4:Dry run protection
5:Over current protection
6:Minimum power protection
7:Water fulfilled protection
Read Only
F21.02(0x5502)
VOC voltage
(display)
0.0V～999.9V
Read only
F21.03(0x5503)
CVT target voltage
70.0%～95.0%
81.0%
F21.04(0x5504)
MPPT upper limit
voltage
20.0%～200.0%
100.0%
F21.05(0x5505)
MPPT lower limit
voltage
20.0%～200.0%
50.0%
F21.06(0x5506)
Frequency adjusting
gain
0.1%～500.0%
10.0%
(AM)
40.0%
(PMSM)
F21.07(0x5507)
MPPT search
interval
0.1s～100.0s
1.0s
F21.08(0x5508)
MPPT regulating
gain
0～9999
100
F21.09(0x5509)
Quick-drop
frequency gain
0～20
2