Siemens S7-1200 Operating Instructions Manual page 8

Table of contents
4.13 Security functions ................................................................................................................... 58
4.13.1 VPN ........................................................................................................................................ 58
4.13.1.1 VPN (Virtual Private Network) ................................................................................................ 58
4.13.1.2 Addressing the CP when using VPN ..................................................................................... 59
4.13.1.3 Creating a VPN tunnel for S7 communication between stations ........................................... 59
4.13.1.4 VPN communication with SOFTNET Security Client (engineering station) ........................... 62
4.13.1.5 Connection to the telecontrol server ...................................................................................... 62
4.13.1.6 CP as passive subscriber of VPN connections ...................................................................... 63
4.13.2 Firewall ................................................................................................................................... 63
4.13.2.1 Firewall sequence when checking incoming and outgoing frames ........................................ 63
4.13.2.2 Notation for the source IP address (advanced firewall mode) ............................................... 63
4.13.2.3 Firewall settings for S7 connections via a VPN tunnel .......................................................... 63
4.13.3 Filtering of the system events ................................................................................................ 64
4.14 Time-of-day synchronization .................................................................................................. 64
4.15 STEP 7 configuration of individual parameters ...................................................................... 66
4.15.1 Communication types ............................................................................................................ 66
4.15.2 Mobile wireless communications settings .............................................................................. 67
4.15.3 Ethernet interface (X1) ........................................................................................................... 67
4.15.4 Partner stations ...................................................................................................................... 70
4.15.4.1 Partner stations > Telecontrol server ..................................................................................... 70
4.15.4.2 Partner for inter-station communication ................................................................................. 72
4.15.5 Communication with the CPU ................................................................................................ 74
4.15.6 E-mail configuration ............................................................................................................... 75
4.15.7 Data point configuration ......................................................................................................... 76
4.15.7.1 Data point name and data point index ................................................................................... 76
4.15.7.2 Threshold value trigger and Analog value preprocessing ..................................................... 77
4.15.7.3 Threshold value trigger .......................................................................................................... 78
4.15.7.4 Analog value preprocessing ................................................................................................... 79
4.15.7.5 Partner stations: Configuring the inter-station communication .............................................. 85
4.15.8 Messages ............................................................................................................................... 86
4.16 Access to the Web server ...................................................................................................... 89
5 Programming the program blocks .......................................................................................................... 91
5.1 Program blocks for OUC ........................................................................................................ 91
5.2 Programming SMS messages via OUC ................................................................................ 93
5.3 TC_CONFIG for changing configuration data of the CP ........................................................ 96
5.4 IF_CONF: SDT for the configuration data of the CP .............................................................. 99
6 Diagnostics and upkeep ....................................................................................................................... 105
6.1 Diagnostics options .............................................................................................................. 105
6.2 Downloading firmware ......................................................................................................... 108
6.3 Module replacement ............................................................................................................ 111
7 Technical specifications ....................................................................................................................... 113
7.1 General technical specifications .......................................................................................... 113
7.2 Technical specifications - wireless interface (CP 1243-7 LTE-EU) ..................................... 115
7.3 Pin assignment of the socket for the external power supply ............................................... 116
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Operating Instructions, 01/2015, C79000-G8976-C381-01
CP 1243-7 LTE