ABB 3HAC029924-001/01 motor
It has the advantages of low failure rate, high speed regulation accuracy, multiple protection functions, and significant energy-saving effects, making it the most ideal choice for retrofitting DC speed regulation and electromagnetic slip speed regulation. Overview of Cement Plants: 1. Application of Rotary Kiln Drive in Cement Plants Over the past decade, the main drive of rotary kilns has been using DC speed regulation. However, this type of speed control circuit is complex, difficult to maintain, and cumbersome to operate, resulting in unstable speed and increasing the difficulty for operators to observe the fire; DC motors operate in harsh environments with high temperatures and dust, and their carbon brushes and commutators are severely damaged, resulting in high maintenance costs.
Cause of malfunction: Invalid communication between master and slave buses.
Solution: Check the fiber optic connection between the master and slave bus connections and between the master CH: and the slave CH:. Check if the connection is tight. If it is loose, reinsert and confirm the reliability of the connection. In addition, it is necessary to check whether the fiber optic communication is normal and whether the fiber optic head is clean. If it does not meet the requirements, it must be cleaned with precision electronic instrument cleaning agent or replaced with high-quality fiber optic.
If all the above situations are normal but the fault cannot be eliminated, force the output coil of the frequency converter contactor to operate for about 5 minutes in the program to eliminate the fault.
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