Yuan, Chong; Liu, Ye; Li, Tianze; Gao, Tao - In: International Journal of Advanced Pervasive and … 9 (2017) 1, pp. 23-56
elevator running. The Siemens S7-200 series PLC as control host CPU226, and extends the S7-200 series of I/O extension module … functions. From inside the elevator running status signals, hall, driving direction, traffic location floor integrated PLC …