Item | Specifications | |
Input | Input voltage | AC 3PH 380~480V Rated voltage：380V |
| Input frequency | 50Hz or 60Hz; Allowed range: 47–63Hz | |
| Allow voltage transient fluctuations | -15%~+10% | |
Output | Output voltage (V) | 0–Input voltage (V) |
| Output frequency (Hz) | 0–400Hz | |
Control performance | Control mode | Sensorless vector control (SVC) mode, and field vector control (FVC) mode |
| Motor type | Asynchronous motor (AM) and permanent magnet synchronous motor (SM) | |
| Speed ratio | For AMs: 1:200 (SVC) For SMs: 1:20 (SVC) | |
| Speed control accuracy | ±0.2% (SVC) | |
| Speed fluctuation | ±0.3% (SVC) | |
| Torque response | <20ms (SVC) | |
| Torque control accuracy | ±10% (SVC) | |
| Overload capacity | 110% of the rated current for 60s, overloading allowed once every 5 minutes | |
Operation performance | Frequency setting | Digital settings, analog settings, pulse frequency settings, multi-step speed settings, simple PLC settings, PID settings, communication settings, etc. It can achieve combinations of settings and switching between setting channels. |
| Automatic voltage regulation | Maintains constant output voltage automatically when grid voltage fluctuates | |
| Fault protection | Provides multiple fault protection functions: overcurrent, overvoltage, undervoltage, overtemperature, phase loss, overload, and other protection functions | |
| Speed Tracking Restart Function | Achieve smooth, impact-free startup for a rotating motor | |
Peripheral interface | Terminal analog input resolution | No more than 20mV |
| Terminal digital input resolution | No more than 2ms | |
| Analog input | 2 inputs. AI1: 0(2)–10V/0(4)–20mA, AI2: -10~10V | |
| Analog output | 2 inputs. AO0/AO1：0(2)~10V/0(4)~20mA | |
| Digital input | 5 regular inputs. Max. frequency: 1kHz; internal impedance 3.3kΩ 1 high-speed input. Max. frequency: 50kHz | |
| Digital output | 1 Y terminal open collector output | |
| Relay output | 2 programmable relay outputs. RO1A: NO; RO1B: NC; RO1C: common; RO2A: NO; RO2B: NC: RO2C: common Contact capacity: 3A/AC250V, 1A/DC30V | |
| Expansion terminal | 2 expansion terminals: SLOT1, SLOT2. Expandable communication cards, I/O cards, etc. | |
Environment requirements and certification | Mounting method | Wall mounting, floor mounting, flange mounting |
| Cooling method | Forced air cooling | |
| Temperature of running environment | -10°C – +50°C. Derating is required when the ambient temperature exceeds 40°C. | |
| Ingress protection (IP) rating | IP20 | |
| Pollution degree | PD2 | |
Popular Searches:
GD290L Series Escalator-Dedicated VFD
GD290L escalator-dedicated VFD is specially designed for escalator and moving walkway applications. It adopts advanced vector control technology to ensure stable operation under complex load conditions, with high reliability, strong EMC performance, and optimized energy efficiency during light-load and low-speed operation. With flexible communication expansion and compact structure, it is widely used in shopping malls, subways, airports, and other public transportation facilities, helping customers reduce system cost and energy consumption.
·4-55kW
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50℃ working temperature
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C2 EMC filter
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Features
Reliable and durable operation
Independent air duct design and reinforced PCB coating enable stable operation in harsh environments and reduce maintenance requirements. Advanced vector control supports both asynchronous and permanent magnet synchronous motors for stable performance under complex working conditions. Excellent electromagnetic compatibility ensures reliable operation even in complex electromagnetic environments. Comprehensive fault protection including overcurrent, overvoltage, undervoltage, overheating, phase loss, and overload protection. 01
Energy saving and cost optimization
Optimized circuit design and efficient low-speed operation significantly reduce power consumption in typical escalator duty cycles.High power density design simplifies cabinet integration and lowers system installation cost. Automatic voltage regulation maintains stable output when grid voltage fluctuates, improving operational efficiency. 02
Flexible system integration and expandability
Supports multiple communication buses
such as CAN, PROFINET, and industrial Ethernet for easy integration into automation systems. Dual motor parameter sets with switching capability enable flexible system configuration. Multiple I/O interfaces and expansion slots allow communication cards and functional modules to be added as needed. 03
Intelligent control and high performance
Sensorless vector control with fast
torque response and high speed regulation accuracy. Supports multiple frequency setting modes including digital, analog, PID, multi-step speed, and communication control. Speed tracking restart enables smooth and impact-free start of rotating motors. 04
Easy installation and commissioning
Supports wall-mounted, floor-mounted,
and flange-mounted installation for flexible deployment. Motor parameter auto-tuning improves control accuracy and simplifies commissioning. Parameter upload/download and quick configuration improve maintenance efficiency.05
Specifications
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