SHENZHEN COENG TECH CO., LTD.
| Payment Terms | L/C,T/T,Western Union |
| Supply Ability | 20000sets/year |
| Delivery Time | 10-30 working day |
| Packaging Details | Carton, plywood case |
| Input voltage | Input voltage: 380V (-15%) to 480V (+10%) Phase: Three-phase |
| Input power frequency | 50Hz/60Hz ±5% |
| Output voltage | 0V~Input voltage |
| Output frequency | 0～600Hz |
| Master control motor type | Asynchronous motor |
| Master control speed range | 1:10 V/F；1:100 OLVC；1:1000 CLVC |
| Master control mode | V/F, OLVC(Open-loop Vector Control), CLVC(Closed-loop Vector Control) |
| Brand Name | COENG |
| Model Number | HV350 |
| Certification | CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T,Western Union | Supply Ability | 20000sets/year |
| Delivery Time | 10-30 working day | Packaging Details | Carton, plywood case |
| Input voltage | Input voltage: 380V (-15%) to 480V (+10%) Phase: Three-phase | Input power frequency | 50Hz/60Hz ±5% |
| Output voltage | 0V~Input voltage | Output frequency | 0～600Hz |
| Master control motor type | Asynchronous motor | Master control speed range | 1:10 V/F；1:100 OLVC；1:1000 CLVC |
| Master control mode | V/F, OLVC(Open-loop Vector Control), CLVC(Closed-loop Vector Control) | Brand Name | COENG |
| Model Number | HV350 | Certification | CE |
| Place of Origin | China | ||
| High Light | 380-480V 3-phase frequency inverter ，automatic voltage regulation inverter ，vector inverter for unstable grids | ||
| Item | Specification Description and Technical Data | |
| Power input/output | Input voltage | Input voltage: 380V (-15%) to 480V (+10%) Phase: Three-phase |
| Input power frequency | 50Hz/60Hz ±5% | |
| Input voltage imbalance | ≤3% | |
| Output voltage | 0V~Input voltage | |
| Output frequency | 0～600Hz | |
| Master control performance | Motor type | Asynchronous motor |
| Control mode | V/F, OLVC(Open-loop Vector Control) | |
| Speed range | 1:100 V/F; 1:200 OLVC | |
| Starting torque | OLVC: 150%(0.25Hz) | |
| Torque precision | ±5% (OLVC, above 5Hz) | |
| Torque ripple | ≤±5%, in Vector control mode | |
| Speed stability | OLVC, 0.2% | |
| Torque response | ≤5ms, in Vector control mode | |
| Acceleration/deceleration time | 0.0s~3200.0s; 0.0min~3200.0min | |
| Torque boost | 0.0%~30.0% | |
| Overload capacity | G type: 150% 1min/5min; 180%10s/5min; P type: 110% 1min/5min; 150% 10s/5min | |
| V/F curve | Straight-line type, multi-point type, V/F Half separation mode, V/F complete separation mode | |
| Input frequency resolution | Digital setting: 0.01Hz, Analog setting: maximum frequency ×0.025% | |
| Main functions | Acceleration/deceleration curve | Straight line and S-curve |
| Simple PLC, Multi-speed control | 16 speed segments supported through control terminals | |
| Automatic voltage regulation (AVR) | Automatically keeps the output voltage constant when grid voltage varies within a certain range | |
| Fixed length control | Control with given length | |
| Built-in PID | Easily forms a closed-loop control system | |
| Multi-motor switching | Switchover between two groups of motor parameters to control the two motors | |
| Virtual I/O | 8 groups of virtual VDI/VDO, 3 groups of AI as DI, enabling simple logic control | |
| Overvoltage/Overcurrent stall control | Automatic current and voltage limitation during operation preventing the inverter from tripping due to frequent overcurrent or overvoltage | |
| Restart after power failure | After power failure and restoration, the inverter waits for a set time before automatically running | |
| Quick current limiting | Avoids frequent overcurrent faults in the inverter | |
| Power input/output | Frequency setting method | Keypad; terminal UP/DOWN; multi-reference; pulse reference; communication |
| Analog input terminals | AI1; AI2: 0V~10V/ 0 (4)mA~20mA | |
| Digital input terminals | DI1-DI5, 5 programmable digital input terminals with opto-isolation, compatible with both sinking/sourcing inputs. DI5 supports high-speed pulse input with a maximum input frequency of 100kHz. | |
| Digital output terminals | Open-collector output; output voltage range: 0V~24V; current load capacity: 50mA. DO1 supports high-speed pulse output with a maximum output frequency of 100kHz. | |
| Analog output terminals | 1-channel 0V ~ 10V/0(4)mA ~ 20mA | |
| Relay output | 1-channel Form C contact, NO+NC | |
| Communication | Communication protocols | Modbus RTU (standard configuration); Profibus-DP; Profinet IO; CANopen; Modbus TCP/IP; Ethercat; EtherNet/IP (optional configuration) |
| Ambient requirements | Altitude | ≤1000m: no need for derating 1000~3000m: current derating by 1% per 100m increased |
| Ambient temperature | -25℃～+40℃ (Running with derating allowed between 40~55) | |
| Humidity | 15% ~ 95%, No condensation | |
| Vibration | 3M3, IEC60721-3-3 | |
| Storage temperature | −40°C~+70°C | |
| Installation place | Indoor, without direct sunlight, free from flammable, corrosive gases, liquids, and conductive particles. | |
| Optional accessories | Communication expansion card, I/O terminal expansion cards | |
| Protections | Protection against short circuit , overcurrent, overload, overvoltage, undervoltage, phase loss, overtemperature, external faults, etc. | |
| Installation method | Installed in a cabinet | |
| Protection rating | IP20 | |
| Cooling method | Air cooling | |
France
Achieve energy savings in French manufacturing with the inverter’s AVR function and customizable V/F curves. The relay output and analog terminals enable easy integration into existing control systems.
Italy
Enhance textile and machinery operations with high-speed pulse input (100kHz) and S-curve acceleration. The inverter’s compact cooling system maintains performance in Italy’s confined industrial setups.
South Korea
Leverage CANopen and Modbus TCP/IP connectivity for smart factory applications. The inverter’s precise torque control (≤±5%) and wide speed range meet South Korea’s automotive and shipbuilding demands.
Canada
Operate reliably in cold climates with a storage temperature range of -40°C to +70°C. The inverter’s derating capability at high altitudes ensures stability in Canadian mining and forestry sectors.
Australia
Withstand harsh outback conditions using the inverter’s dust and vibration resistance. Features like virtual I/O and quick current limiting protect equipment in Australia’s mining and renewable energy projects.
Mexico
Boost efficiency in Mexico’s automotive industry with the inverter’s closed-loop vector control and overload protection. The easy PLC programming simplifies process automation for cost-sensitive operations.
Company Details
Year Established:
2017
Total Annual:
15000000-16000000
Employee Number:
100~500
Ecer Certification：
Verified Supplier
COENG Tech Co., Ltd. was founded in 2017, specializes in the research, manufacturing, sales, and service of electric drive products, with a primary focus on Variable Frequency Drives (VFDs). As an innovative company, COENG leverages its expertise and advanced technology to develop cutti... COENG Tech Co., Ltd. was founded in 2017, specializes in the research, manufacturing, sales, and service of electric drive products, with a primary focus on Variable Frequency Drives (VFDs). As an innovative company, COENG leverages its expertise and advanced technology to develop cutti...
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