The FR-A700 is a high-performance vector inverter series under the Mitsubishi brand, and the following is a detailed introduction:
1. Main features
Closed-loop control: In the closed-loop control system, the FR-A700 series drives enable high-precision torque, speed and position control.
Sensorless vector control: Torque and speed control can be achieved without encoder, so that the inverter can achieve high precision operation in the ultra-low speed area on various mechanical equipment.
Built-in PLC function: Some special models have built-in PLC function, which increases the flexibility and control performance of the equipment.
Long-life components: The use of long-life components improves the reliability and service life of the equipment.
Built-in EMC filter: Built-in Electromagnetic compatibility (EMC) filter helps reduce electromagnetic interference and improve equipment stability.
2. Network communication function
The FR-A700 series drives support a variety of network communication protocols, including DeviceNet, Profibus-DP and Modbus, which makes it easy to communicate and exchange data with various industrial automation devices.
3. Application field
FR-A700 series inverter is suitable for all kinds of equipment with high load requirements, such as lifting, elevator, printing bag, printing, material take-up and other general applications. Its high level of drive performance and unique sensorless vector control mode make it able to play an excellent performance in these fields.
4, wiring terminals and functions
FR-A700 series frequency converter has reasonable terminal design and rich functions. The main terminals include AC power input terminals (R/L1, S/L2, T/L3), inverter output terminals (U, V, W), control loop terminals (such as STF forward start, STR reverse start, JOG point mode, etc.), and frequency setting and analog output terminals. These terminals allow the inverter to easily access a variety of control signals and power supplies to achieve flexible control and monitoring functions.
5. Configuration and debugging
When configuring and commissioning the FR-A700 series inverter, it is usually necessary to set the relevant parameters according to the actual application scenarios and requirements. For example, the frequency converter can be connected to the PLC system through the Modbus to Profinet gateway to realize the communication and data exchange with the PLC. During the configuration, you need to pay special attention to the setting of communication parameters, including baud rate, data format, and parity check, to ensure the stability and accuracy of communication.
In addition, you can also learn more about configuration and debugging methods and troubleshooting techniques through the inverter manual and related technical documentation.
The FR-A700 series inverter is a high performance, high reliability vector inverter, with a wide range of applications and rich features. In the field of industrial automation, it will become an important force to promote equipment upgrading and optimization.
