Siemens S7-300 Configuration Manual page 8

Table of contents
3.3.2 "General" parameter group ......................................................................................................... 44
3.3.3 Parameter / function "Module addresses" ................................................................................... 45
3.3.4 "Options / Settings" parameter group ......................................................................................... 46
3.3.5 "Time-of-day synchronization" parameter group - mode ............................................................ 50
3.3.6 "IP access protection" parameter group ..................................................................................... 52
3.3.7 "IP configuration" parameter group ............................................................................................. 55
3.3.8 "User management" parameter group ........................................................................................ 57
3.3.9 "Symbols / Tag declaration" parameter group ............................................................................ 57
3.3.10 "DNS configuration" parameter group ......................................................................................... 58
3.3.11 "FTP" parameter group ............................................................................................................... 58
3.3.12 Parameter group "SNMP" ........................................................................................................... 61
3.3.13 "Port parameters" parameter group ............................................................................................ 61
3.3.14 "PROFINET" parameter group .................................................................................................... 63
3.3.15 "Security" parameter group (STEP 7 V5.5) ................................................................................. 63
3.3.16 "Web" parameter group ............................................................................................................... 64
3.4 Sending entries for the IP access protection to the Advanced CP using HTTP/HTTPS ............ 66
3.5 Media redundancy ....................................................................................................................... 70
3.5.1 Media redundancy in ring topologies .......................................................................................... 70
3.5.2 MRP ............................................................................................................................................ 72
3.5.3 MRP configuration ....................................................................................................................... 74
3.6 Assigning addresses the first time .............................................................................................. 76
3.6.1 Addressing by selecting the target system ................................................................................. 78
3.6.2 Addressing by adopting the configured address parameters ..................................................... 78
3.7 Downloading the configuration data to the target system ........................................................... 79
4 SEND/RECEIVE interface in the user program ...................................................................................... 83
4.1 How the SEND/RECEIVE interface works on the CPU .............................................................. 83
4.2 Programming the SEND/RECEIVE interface .............................................................................. 85
4.3 Data exchange S7 CPU − Ethernet CP ...................................................................................... 87
4.4 Additional information .................................................................................................................. 88
4.4.1 Programming data transfer via TCP connections ....................................................................... 88
4.4.2 Recommendations for use with a high communications load ..................................................... 89
5 Configuring communications connections .............................................................................................. 91
5.1 Procedure and connection properties ......................................................................................... 92
5.2 Connections to partners in other projects ................................................................................... 94
5.3 Inconsistent connections - connections without assignment ...................................................... 96
5.4 Configuring ISO transport connection properties ........................................................................ 99
5.4.1 Specifying ISO transport addresses ........................................................................................... 99
5.4.2 Specifying ISO transport dynamics properties .......................................................................... 100
5.5 Configuring ISO-on-TCP connection properties ....................................................................... 101
5.5.1 Specifying ISO-on-TCP addresses ........................................................................................... 101
5.6 Configuring TCP connection properties .................................................................................... 103
5.6.1 Specifying TCP addresses ........................................................................................................ 103
5.7 Configuring UDP connection properties .................................................................................... 105
5.7.1 Specifying UDP addresses ....................................................................................................... 105
8
Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13