Siemens SIMATIC S7-400H - Page 72

Assembly of a CPU 41x–H
5.9 PROFINET interface (X5)
S7-400H
72 System Manual, 03/2012, A5E00267695-11
Connectors
Always use RJ45 connectors to hook up devices to the PROFINET interface.
Properties of the PROFINET interface
Protocols and communication functions
PROFINET IO
In accordance with IEC61784-2 , Conformance Class A and BC
Open block communication over
 TCP
 UDP
 ISO-on-TCP
S7 communication
PG functions
Port statistics of PN IO devices (SNMP)
Detection of the network topology (LLDP)
Media redundancy (MRP)
Time synchronization using the NTP method as a client, or the SIMATIC method
For more information on the properties of the PROFINET interface, refer to the technical
specifications of the respective CPU. In chapter Technical data (Page 383).
Connection
Version 2 x RJ45
Switch with 2 ports
Media Twisted pair Cat5
Transmission rate 10/100 Mbps
Autosensing
Autocrossing
Autonegotiation