The torque mode used by the frequency converter is a domestic brand. The torque writing and starting and stopping are through 485. With ModbusRTU, the equipment starts and stops every ten minutes or so. There are ten frequency converters in total. Now the frequency converter will reverse irregularly, and the speed is very fast. This... The torque mode used by the frequency converter is a domestic brand. The torque writing and starting and stopping are through 485. With Modbus RTU, the equipment starts and stops every ten minutes or so, There are ten frequency converters in the equipment. Now the frequency converter will reverse irregularly, and the speed is very fast. At this time, when the load is disconnected, it is still high-speed reverse.

It is not necessarily which of the ten inverters is, and it is not necessarily when they will appear. Sometimes once or twice a day, sometimes they do not appear for a few days. What is the reason? The frequency converter is 0.4KW and the motor is 0.25kw. The model selection of the motor is somewhat small. Occasionally, there will be no dragging. Will the motor load be insufficient, which will lead to reverse rotation?