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Speed control
range
Steady speed
accuracy
Starting torque
Torque response
Frequency
accuracy
Frequency
resolution
Torque control
DC braking
capacity
Torque boost
capacity
V/F curve
Acceleration/Decel
eration curve
Rated output
voltage
Voltage
auto-adjustment
Auto
energy-saving
Basic
running
Auto-limit current
functions
Instant power off
treatment
Standard functions
Frequency setting
channels
Feedback input
channel
Running command
channel
Input command
signal
External output
signal
Protection function
Keyboard
LED display
display
VC without PG: rated load 1:100; VC with PG: rated load 1:1000
VC without PG: ≤2% rated synchronized speed; VC with PG: ≤0.05% rated
synchronized speed
VC without PG: 150% rated torque at 0.5Hz; VC with PG: 0Hz, 200% rated torque
at 0Hz
VC without PG:<20ms; VC with PG: <10ms
Digital setting: max frequency× ± 0.01%; Analog setting: max frequency× ± 0.2%
Digital setting: 0.01Hz; Analog setting: max frequency× 0.05%
Torque setting calculation, torque mode speed limit
Starting frequency:0.00Hz～50.00Hz; Braking time:0.0s～60.0s; Braking
current:0.0～150.0% rated current
Automatic torque boost 0.0%～100.0%; Manual torque boost 0.0%～30.0%
Four modes: linear torque characteristic curve, self-set V/F curve, torque reduction
characteristic curve (1.1 to 2.0 power), square V/F curve
2 modes: linear Acceleration/Deceleration and S curve Acceleration/Deceleration. 4
sets of ACC/DEC, time unit 0.01s selectable, longest time: 650.00s.
Using the power supply voltage compensation function, the rated voltage of the
motor is 100%, which can be set within the range of 50 to 100% (the output cannot
exceed the input voltage).
While power supply voltage fluctuates, it can auto-keep constant output voltage.
While under V/F control mode, according to load situation, auto-optimize output
voltage to save energy.
Auto-limit the current while running to prevent over current break trouble.
Uninterrupted operation through bus voltage control during instantaneous power loss.
PID control, speed track, power off restart, jump frequency, upper/lower frequency
limit control, program operation, multi- speed, RS485, analog output, frequency
impulse output.
Keyboard digital setting, Analog voltage/current terminal AI1, Analog voltage/current
terminal AI2, Communication given and multi-channel terminal selection, Main and
auxiliary channel combination, expansion card, supporting different modes switch.
Voltage/Current Terminal AI1, Voltage/Current Terminal AI12, Communication given,
Low-speed pulse input PUL, extension card.
Operation panel given, external terminal given, communication given, expansion
card given.
Start, stop, FWD/REV, JOG, multi-step speed, free stop, reset, ACC/DEC time
selection, frequency given channel selection, external fault alarm.
1 relay output, 1 collector output, 1 AO output: 0V～10V output or 4mA～20mA
output.
Overvoltage, under-voltage, current limit, over-current, overload, electric thermal
relay, overheat, overvoltage stall, data protection, rapid speed protection,
input/output phase failure protection.
Built-in keyboard: single line 5- digital tube
display
External keyboard: double line 5- digital tube
display
5
SI23 Solar Pump VFD Manual
monitor 1 VFD status quantity
Monitor 2 VFD status quantities
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