The reason why the inverter control cabinet cannot start normally, DCS control system

Five main reasons why the inverter control cabinet cannot start normally

“The variable frequency control cabinet is mainly used to adjust the working frequency of equipment, reduce energy loss, make the equipment start smoothly, and reduce the damage to the motor caused by the large current generated when the equipment starts directly. At the same time, it comes with analog input (for speed control or feedback signal), PID control, pump switching control (for constant pressure), communication function, macro function (different parameter settings in different situations), multi speed, etc. It can be widely used in industrial and agricultural production, as well as various building automatic control water supply in drainage, fire protection, sprinkler network pressurization, HVAC cold and hot water circulation, and other occasions.”

The PLC variable frequency control cabinet cannot be started due to the following reasons:

1. PLC program lost, no drive output;

2. Incorrect frequency converter settings; Such as voltage, power, starting method, size, and frequency.

3. Inverter failure (or dynamic overload protection);

4. Remote pressure sensor malfunction (constant pressure water supply);

5. Other electrical components (such as intermediate relays, start buttons, etc.) malfunction

Sewage treatment automatic control system, constant pressure water supply automatic control system, weighing and batching automatic control system, refrigeration equipment automatic control system, factory instrument DCS control system, dust removal equipment automatic control system, air conditioning automatic control system, etc.