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Input and output features
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Input voltage range: 380V/220V(±15%) |
| Input frequency range: (47-63)Hz |
| Output voltage range: 0- rated input voltage |
| Output frequency range: General type: (0-400)Hz; Fan and water pump type: (0-120)Hz |
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Peripheral interface
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Programmable digital input: Mini type: 5-route; General type, fan and water pump type: 6-route |
| Programmable analog quantity input: AI1: (0-10)V input; AI2: (0-10)V or (0/4-20)mA; AI1 + AI2 |
| Open collector output: 1-route output |
| Relay output: Mini type: 1-route output; General type, fan and water pump type: 2-route output |
| Analogue output: For 2-route output, (0-10)V or (0/4-20)mA (mini type; 1-route) can be selected |
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Operation functions and features
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Torque boost: Automatic torque boost; Manual torque boost of 0.1% - 30.0% |
| Dynamic braking: Built-in or external brake unit, external connection with brake resistance |
| DC braking: Start and stop are selectable separately; motion frequency (0-10)Hz, brake current (0-150)% , actuation time (0.0-50.0)s |
| Jog control: Jog frequencyrange: (0-400)Hz, time for jog acceleration and deceleration (0.1-3600.0)s |
| Multistage speed operation: Multistage speed operation can be achieved through the built-in simple PLC or controlling multi-function terminal. |
| Automatic voltage regulation (AVR): When the network voltage changes, it can keep the output voltage stable automatically |
| Automatic current limit: To automatically limit the current during the operation to prevent fault and tripping due to frequent overcurrent |
| Built-in PID controller: It can constitute a closed-loop control system conveniently |
| Self-defined JOG function key: The JOG key can be set as jog operation or switch from forward and reverse operation |
| Protection functions: It can provide over 20 kinds of fault protection functions: overcurrent, overvoltage, undervoltage overheating, default phase, overload, PID disconnection and other protection functions, |
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Technical features
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Control mode: Non-PG vector control, V/F control, torque control |
| Overload capacity: Mini type and general type: 150% rated current for 1min; Fan and pump type: 120% rated current for 1 min |
| Starting torque: Non-PG vector control: 0.5 Hz /150% (Rated torque) |
| Speed regulation ratio: Non-PG vector control: 1: 100; V/F control: 1:50 |
| Speed control precision: (non-PG vector control): ±0.5% maximum speed |
| Carrier frequency (1-15) kHz |
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Operation environment
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Temperature: The inverter should be used at an ambient temperature of -10℃ to +40℃ and derated by 1% per 1℃ when it is over 40℃ |
| Humidity: Relative air humidity of the operation environment ≤ 90%, without moisture condensation |
| Altitude: The inverter can achieve the rated power when installed below the altitude of 1000m. It should be derated by 10% per 1000m when over 1000m |
| Shock and vibration: The inverter should not be dropped to the ground or subjected to sudden shock. It should not be installed in places where vibration may occur. |
| Electromagnetic radiation: The inverter should not be installed adjacent to electromagnetic radiation protection |
| Air pollution: The inverter should not be installed in places with air pollution, such as dust or corrosive gas atmosphere |
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Structure
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Protection degree: IP20 |
| Brake units Standard braking unit for model under 22 kw; standard braking unit for model equal to or above 22 kW |
| Cooling mode: High-speed DC fan is used for the cooling of the whole NVF2G series inverter |
