Description
ABB TP852 3BSC950263R1 nverter Module Board
ABB TP852 3BSC950263R1 In order to reduce the power cable, especially the frequency converter device feeder cable radiation electromagnetic interference, I used in a project of copper belt armouring shielded power cables to reduce the electromagnetic interference generated by the power line, the project put into operation and achieved satisfactory results.
ABB TP852 3BSC950263R1 different types of signals are transmitted by different cables, signal cables should be laid in layers according to the type of signal being transmitted, it is strictly prohibited to use the same cable with different wires while transmitting power power supply and signal, to avoid the signal line and power cables close to the parallel laying to reduce electromagnetic interference.
ABB TP852 3BSC950263R1 signal before accessing the computer, in the signal line and ground and connect capacitors to reduce common mode interference; in the signal between the two poles of the filter can reduce the differential mode interference. Due to the complexity of electromagnetic interference, to eliminate the effects of interference at all is impossible, so the software design and configuration of the PLC control system, but also in the software aspects of anti-interference processing, to further improve the reliability of the system.
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