PR937620 is used for the connection of system server with engineer station and operator station to complete the data down loading of the engineer station and the online data communication of the operator station, as well as the connection of system server with field control station and communication control station to complete the data down loading of the field control station and the real-time data communication between the server and the field control station.

PR937620 can quickly build a star, ring or bus topology of high-speed redundant security network, in line with IEEE80 2.3 and IEEE802.3u standards, based on the TCP/IP communication protocol, communication rate of 10/100Mbps self-adaptive, the transmission medium is a Category 5 unshielded twisted-pair cable with RJ45 connector.

PR937620 adopts ProfiBus-DP fieldbus to connect with various I/O modules and intelligent devices to accomplish process or field communication tasks in real time, quickly and efficiently, which conforms to the international standard IEC61158 (national standard: JB/T10308.3-2001/European standard: EN50170), and the transmission medium is shielded twisted pair cable or fiber optic cable.