| 摘要 |
<p>Elevator control system comprises a main control part and a frequency converter part. Bidirectional connections run from the main part to the frequency converter part. An enable line is activated between the main control part and the frequency converter part to transfer a bus protocol. An address line is initially activated to transfer bus protocol of address values from the main control part to the converter part. A write line is activated to transfer bus protocol of data values from the main control part to the converter part. A read line is activated to transfer bus protocol of data values from the converter part to the main control part.</p> |
