| Difference between VB and VM | ||||
| Last modified by Jim on 2023/04/25 09:27 | ||||
| Item | VB | VM600 | ||
Control characteristics | way to control | Speed sensorless vector control (SVC) | V/F control | V/F control |
| Starting torque | 0.5Hz/150% | 0.5Hz/100% | 0.5Hz/100% | |
| Speed range | 02:40 | 01:50 | 01:50 | |
| Stable speed accuracy | ±0.5% | ±1% | ±1% | |
| Carrier frequency | 0.5kHz ~ 16kHz; the carrier frequency can be automatically adjusted according to the load characteristics | 1kHz ～ 6kHz; | ||
Overload capacity | G type machine: 150% rated current 60s, 180% rated current 1s | G type machine: 150% rated current 60s, 180% rated current 1s | ||
| P type machine: 120% rated current 60s, 150% rated current 1s | ||||
| Torque boost | 0.0% automatic torque boost; manual torque boost 0.1% ～ 30.0% | Manual torque increase 0.1% ~ 30.0% | ||
input Output | Input voltage range | 220V; fluctuation range :220V(-15%)~220V(+15%); 380V/415V/440V; fluctuation range:380V(-15%)~440V(+10%) | 220V/380V; fluctuation range: ±15% | |
| Input frequency range | 50/60Hz; fluctuation range: ±5% | 50/60Hz; fluctuation range: ±5% | ||
| Output voltage range | 0-input voltage, the error is less than 5% | 0-input voltage, the error is less than 5% | ||
| Output frequency range | SVC: 0-320Hz; V/F: 0-1000Hz | V/F: 0-400Hz | ||
Operational control | Run command channel | 3 kinds of channels: operation panel setting, control terminal setting, serial communication port setting. It can be switched in many ways. | 3 kinds of channels: operation panel setting, control terminal setting, serial communication port setting. It can be switched in many ways. | |
| Frequency source | Digital setting, panel pulse potentiometer setting, analog voltage setting, analog current setting, serial communication setting, etc. It can be switched in many ways. | Digital setting, panel potentiometer setting, analog voltage setting, analog current setting, serial communication setting, etc. It can be switched in many ways. | ||
| Auxiliary frequency source | Multiple auxiliary frequency sources. Frequency synthesis, frequency fine-tuning | None | ||
Input terminal | ◆ 6 digital input terminals | ◆ 4 digital input terminals | ||
| ◆ 2 analog input terminals | ◆ 1 analog input terminal | |||
Output terminal | ◆ 1 open collector output terminal | |||
| ◆ 2 relay output terminals (1 channel below 7.5kW) | ◆ 1 relay output terminal | |||
| ◆ 2 analog output terminals (1 channel below 7.5kW) | ◆ 1 analog output terminal | |||
basic skills | DC braking function | Braking time: 0.0s ～ 100.0s, braking action current value: 0.0% ～ 100.0% | Braking time: 0.0s ～ 100.0s, braking action current value: 0.0% ～ 100.0% | |
| V/F curve | 3 methods: linear type, multi-point type, square type | 3 methods: linear type, multi-point type, square type | ||
| Acceleration and deceleration curve | Linear or S-curve acceleration and deceleration mode; four groups of acceleration and deceleration time; acceleration and deceleration time range 0.0 ~ 6500.0s | Linear acceleration and deceleration mode, a group of acceleration and deceleration time, range 0.0~100.0s | ||
| Simple PLC, multi-speed | Realize up to 16-speed operation through built-in PLC or control terminal | Realize up to 4 speeds running through built-in PLC or control terminal | ||
| Built-in PID | It is convenient to realize the process control closed-loop control system | It is convenient to realize the process control closed-loop control system | ||
| AVR function | When the grid voltage changes, it can automatically keep the output voltage constant | None | ||
| Overvoltage over drain speed | Automatically limit current and voltage during operation to prevent frequent over-current and over-voltage trips | None | ||
| Fast current limiting function | Minimize over-current faults and improve system stability | None | ||
| Torque limit and control | The "shovel" feature automatically limits the torque during operation to prevent frequent over-current trips; | None | ||
| Safety self-check of power-on peripherals | It can realize the safety detection of peripheral equipment such as grounding, short circuit, etc. | None | ||
| Timing control function | Timing control function: set time range 0h ~ 65535h | None | ||
| Protective function | Input and output phase loss protection, overcurrent protection, overvoltage protection, undervoltage protection, overheating protection, overload protection, power-on relay fault detection, etc. | Input and output phase loss protection, overcurrent protection, overvoltage protection, undervoltage protection, overheating protection, overload protection, power-on relay fault detection, etc. | ||
| Show | LED display | 5-digit LED display | 5-digit LED display | |
| And | ||||
| keyboard | Parameter lock function | Set parameter read-only control to prevent misoperation | Set parameter read-only control to prevent misoperation | |
| Operation | MF.K key | Programmable keys: command channel switching / forward and reverse running / jog running function selection / menu mode switching | None | |
Use environment | Use place | Indoors, free from direct sunlight, no dust, corrosive gas, flammable gas, oil mist, water vapor, dripping water or salt, etc. | Indoors, free from direct sunlight, no dust, corrosive gas, flammable gas, oil mist, water vapor, dripping water or salt, etc. | |
| Altitude | Lower than 1000m; when it is higher than 1000m, it must be derated for use. For every 100m increase, it needs to be derated by 1%; | Lower than 1000m; when it is higher than 1000m, it must be derated for use. For every 100m increase, it needs to be derated by 1%; | ||
| Ambient temperature | -10℃～40℃, derating is required when the temperature exceeds 40℃, and the ambient temperature needs to be derated by 1% every time the ambient temperature rises by 1℃. The maximum operating ambient temperature is 50℃ | -10℃～40℃, derating is required when the temperature exceeds 40℃, and the ambient temperature needs to be derated by 1% every time the ambient temperature rises by 1℃. The maximum operating ambient temperature is 50℃ | ||
| humidity | ≤95%RH, avoid condensation | ≤95%RH, avoid condensation | ||
| vibration | Vibration acceleration is less than 0.6g | Vibration acceleration is less than 0.6g | ||
| storage temperature | -25℃～+60℃ | -25℃～+60℃ | ||
