NVF5 Series User Manual Chapter 2 Product Overview
Speed range
SVC
：
1:100
；
V/F:1
：
50
Speed control
accuracy
±0.5% of peak speed in SVC mode
Frequency
resolution
Digital setting
：
0.01Hz
；
Analog setting
：
Max. frequency×0.5
％
V/F curve
Linear V/F curve
；（
2
、
1.7
、
1.2
、
multi-point
）
power
reduced torque curve
Accel./Decel.curve
4 types of linear Accel./Decel. curve
；
S-curve
Accel./Decel.
Distinct features
Over-current stall protection, over-voltage stall
protection, torque limit, RPM tracking, simple PLC,
process PID, multi-segment speed control, automatic
slip compensation, automatic torque boost,
pre-excitation function, instant power cut function
Peripheral
interface
Digital input
5 multifunctional digital programmable input (including
1 high-speed pulse input terminal)
Digital output
1 multifunctional digital programmable output (speed
up to 100kHz)
Analog input
2 analog signal input, (0~20)mA, (4~20)mA current
signal input or (0~10)V, (-10~+10)V voltage signal
input can be selected
Analog output
1 analog signal output, (0~20)mA, (4~20)mA current
signal output or (0~10)V, (-10~+10)V voltage signal
output can be selected
Relay output
A pair of N.O. contacts and a pair of N.C. contacts,
contact capacity: 3A/250V
Communication
interface
Standard RS485 communication. External operation
panel can be connected;
Braking function
Embedded braking unit is optional for single-phase
models, and standard for three-phase models.
Operation panel
Display of over 20 parameters including frequency
setting, output frequency, output voltage, and output
current.
Protection function
Protections against over-current, over-voltage,
under-voltage, overheat, overload, input phase loss,
output phase loss, load loss, and motor ground short
circuit.
Environment
Occasion
The occasion is supposed to be indoor, not directly
exposed in sunlight and free of dust, corrosive gas,
combustible gas, oil mist, water vapor, water drops or
saline matter.
Altitude
Without derating below 1000 meters. Above 1000
meters derate 10% for every 1000 meters but shall not
exceed 3000 meters.
Temperature
（
-10
～＋
45
）
℃
- 8 -
