Wiki source code of 10 Differences between VB and VM
Last modified by Wecon on 2025/09/03 21:04
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| author | version | line-number | content |
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1.1 | 1 | |=(% colspan="2" %)Item|=(% colspan="2" %)VB|=VM |
| 2 | |(% rowspan="8" %)Control characteristics|Control mode|Speed sensorless vector control (SVC)|V/F control|V/F control | ||
| 3 | |Starting torque|0.5Hz/150%|0.5Hz/100%|0.5Hz/100% | ||
| 4 | |Speed range|1:100|1:50|1:50 | ||
| 5 | |Stable speed accuracy|±0.5%|±1%|±1% | ||
| 6 | |Carrier frequency|(% colspan="2" %)0.5kHz - 16kHz; the carrier frequency can be automatically adjusted according to the load characteristics|1kHz - 6kHz; | ||
| 7 | |(% rowspan="2" %)Overload capacity|(% colspan="2" %)G type machine: 150% rated current 60s, 180% rated current 1s|(% rowspan="2" %)G type machine: 150% rated current 60s, 180% rated current 1s | ||
| 8 | |(% colspan="2" %)P type machine: 120% rated current 60s, 150% rated current 1s | ||
| 9 | |Torque boost|(% colspan="2" %)0.0% automatic torque boost; manual torque boost 0.1% - 30.0%|Manual torque increase 0.1% - 30.0% | ||
| 10 | |(% rowspan="4" %)input Output|Input voltage range|(% colspan="2" %)220V; fluctuation range :220V(-15%)-220V(+15%); | ||
| 11 | 380V/415V/440V; fluctuation range:380V(-15%)-440V(+10%)|220V/380V; fluctuation range: ±15% | ||
| 12 | |Input frequency range|(% colspan="2" %)50/60Hz; fluctuation range: ±5%|50/60Hz; fluctuation range: ±5% | ||
| 13 | |Output voltage range|(% colspan="2" %)0-input voltage, the error is less than 5%|0-input voltage, the error is less than 5% | ||
| 14 | |Output frequency range|(% colspan="2" %)SVC: 0-320Hz; V/F: 0-1000Hz|V/F: 0-400Hz | ||
| 15 | |(% rowspan="8" %)Operational control|Run command channel|(% colspan="2" %)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. | ||
| 16 | |Frequency source|(% colspan="2" %)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. | ||
| 17 | |Auxiliary frequency source|(% colspan="2" %)Multiple auxiliary frequency sources. Frequency synthesis, frequency fine-tuning|/ | ||
| 18 | |(% rowspan="2" %)Input terminal|(% colspan="2" %)◆ 6 digital input terminals|◆ 4 digital input terminals | ||
| 19 | |(% colspan="2" %)◆ 2 analog input terminals|◆ 1 analog input terminal | ||
| 20 | |(% rowspan="3" %)Output terminal|(% colspan="2" %)◆ 1 open collector output terminal| | ||
| 21 | |(% colspan="2" %)◆ 2 relay output terminals (1 channel below 7.5kW)|◆ 1 relay output terminal | ||
| 22 | |(% colspan="2" %)◆ 2 analog output terminals (1 channel below 7.5kW)|◆ 1 analog output terminal | ||
| 23 | |(% rowspan="12" %)basic skills|DC braking function|(% colspan="2" %)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% | ||
| 24 | |V/F curve|(% colspan="2" %)3 methods: linear type, multi-point type, square type|3 methods: linear type, multi-point type, square type | ||
| 25 | |Acceleration and deceleration curve|(% colspan="2" %)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 | ||
| 26 | |Simple PLC, multi-speed|(% colspan="2" %)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 | ||
| 27 | |Built-in PID|(% colspan="2" %)It is convenient to realize the process control closed-loop control system|It is convenient to realize the process control closed-loop control system | ||
| 28 | |AVR function|(% colspan="2" %)When the grid voltage changes, it can automatically keep the output voltage constant|/ | ||
| 29 | |Overvoltage over drain speed|(% colspan="2" %)Automatically limit current and voltage during operation to prevent frequent over-current and over-voltage trips|/ | ||
| 30 | |Fast current limiting function|(% colspan="2" %)Minimize over-current faults and improve system stability|/ | ||
| 31 | |Torque limit and control|(% colspan="2" %)The "shovel" feature automatically limits the torque during operation to prevent frequent over-current trips;|/ | ||
| 32 | |Safety self-check of power-on peripherals|(% colspan="2" %)It can realize the safety detection of peripheral equipment such as grounding, short circuit, etc.|/ | ||
| 33 | |Timing control function|(% colspan="2" %)Timing control function: set time range 0h - 65535h|/ | ||
| 34 | |Protective function|(% colspan="2" %)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. | ||
| 35 | |Show|(% rowspan="2" %)LED display|(% colspan="2" rowspan="2" %)5-digit LED display|(% rowspan="2" %)5-digit LED display | ||
| 36 | |And | ||
| 37 | |Keyboard|Parameter lock function|(% colspan="2" %)Set parameter read-only control to prevent misoperation|Set parameter read-only control to prevent misoperation | ||
| 38 | |Operation|MF.K key|(% colspan="2" %)Programmable keys: command channel switching / forward and reverse running / jog running function selection / menu mode switching|/ | ||
| 39 | |(% rowspan="6" %)Use environment|Use place|(% colspan="2" %)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. | ||
| 40 | |Altitude|(% colspan="2" %)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%; | ||
| 41 | |Ambient temperature|(% colspan="2" %)-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℃ | ||
| 42 | |Humidity|(% colspan="2" %)≤95%RH, avoid condensation|≤95%RH, avoid condensation | ||
| 43 | |Vibration|(% colspan="2" %)Vibration acceleration is less than 0.6g|Vibration acceleration is less than 0.6g | ||
| 44 | |Storage temperature|(% colspan="2" %)-25℃ - +60℃|-25℃ - +60℃ |