Basic electrical parameters
Rated Power and Current: The rated output power is 0.75kW, equivalent to 1 horsepower, with a rated output current of 2.7A. It also has an overload capacity of 150% of the rated current, lasting for 1 minute, enabling it to handle short-term load fluctuations.
Input voltage and phase: Compatible with three-phase AC input, input voltage range 380 - 480V, suitable for medium and high voltage three-phase power supply scenarios commonly used in industrial applications.
Core Control Performance Parameters
Frequency-related: The output frequency is adjustable within the range of 0 to 400Hz, with a frequency setting accuracy of 0.01Hz, ensuring high control precision. It supports three-step frequency hopping settings, with a hopping range of 0.1 to 400Hz, effectively avoiding operation at resonance frequencies.
Control Mode: Supports V/F curve adjustment and sensorless vector control, capable of matching appropriate current and voltage vector values based on external load torque to adapt to various working conditions; optional PG card enables speed closed-loop control for further enhanced speed regulation precision.
Operation Function: Features 16 preset speed levels and 15 program operation functions to meet multi-process automation control requirements. Equipped with built-in PID feedback control, suitable for scenarios requiring closed-loop regulation of flow and pressure such as pumps and fans, while also supporting automatic torque and slip compensation to ensure operational stability.
Auxiliary Functions and Communication Parameters
Braking and Protection: Utilizes a DC injection braking method with a built-in dynamic braking transformer. Features a stall protection function, allowing the stall protection current to be set between 20% and 250% of the rated current. Additionally, it provides multiple device protections such as overcurrent, overvoltage, and overheating.
Communication Interface: Equipped with built-in Modbus communication protocol and RS-485 interface, supporting a baud rate of up to 38400bps. Additionally, it supports expansion of field communication modules such as DN-02, LN-01, and PD-01, facilitating easy integration into industrial automation control systems.
Operation and Detection: Equipped with an operational keyboard for on-site parameter setting and debugging; features built-in heat sink temperature detection to monitor the equipment's cooling status in real time, preventing operational impacts due to overheating.
Physical and Environmental Parameters
Appearance and Protection: The equipment dimensions are 118mm × 185mm × 145mm, with a weight of approximately 2.7kg. The enclosure protection rating is IP20, complying with NEMA 1 standards, making it suitable for indoor industrial environments free from dust and direct water contact.
Environmental Adaptation: Fan cooling method is employed; the storage and transportation temperature range is -20°C to 60°C, with a working environment humidity requirement below 90% relative humidity (no condensation), suitable for most industrial workshop temperature and humidity conditions.