Siemens SIMATIC NET CP 443-1 Advanced Manual page 10

Table of contents
5.1.1 Notices on use in hazardous areas........................................................................................ 53
5.1.2 Notices on use in hazardous areas according to ATEX / IECEx ........................................... 54
5.1.3 Notices on use in hazardous areas according to UL HazLoc ................................................ 55
5.2 Installing and connecting up .................................................................................................. 56
5.3 Commissioning....................................................................................................................... 58
5.4 CPLUG (configuration plug) ................................................................................................... 60
6 Configuration and operation .................................................................................................................. 63
6.1 Security recommendations .................................................................................................... 63
6.2 Controlling the mode .............................................................................................................. 67
6.3 Effects of protection levels ..................................................................................................... 67
6.4 Configuration in STEP 7 ........................................................................................................ 68
6.5 Interface configuration ........................................................................................................... 69
6.5.1 Network settings..................................................................................................................... 69
6.5.1.1 IP address assignment and communications path ................................................................ 69
6.5.1.2 Fast Ethernet with the PROFINET and gigabit interface ....................................................... 69
6.5.1.3 Transmission speed of the gigabit interface .......................................................................... 71
6.5.2 IP configuration and DHCP .................................................................................................... 72
6.5.2.1 S7 connections and DHCP .................................................................................................... 72
6.5.2.2 Address assignment via DHCP- gigabit interface .................................................................. 72
6.5.2.3 Restart after detection of a duplicate IP address in the network ........................................... 72
6.5.3 Unused PROFINET interface without BUS2F indicator ......................................................... 73
6.5.4 Using the CP as an IP router ................................................................................................. 73
6.6 Port configuration with redundant partners ............................................................................ 73
6.7 PROFINET IO mode .............................................................................................................. 74
6.7.1 How PROFINET IO devices start up in a large configuration ................................................ 74
6.7.2 Reduce the communication allocation reserved for PROFINET IO when operating
alongside other services. ....................................................................................................... 74
6.7.3 Prioritized startup in PROFINET IO ....................................................................................... 74
6.7.4 IRT communication: Types of synchronization ...................................................................... 75
6.7.5 Operating PROFINET IO devices with a current firmware version ........................................ 76
6.7.6 Shared device - using the router address .............................................................................. 76
6.8 Media redundancy ................................................................................................................. 77
6.9 Interface in the user program ................................................................................................. 77
6.9.1 Call interface for open communications services SEND/RECV ............................................ 77
6.9.2 Programmed communication connections with IP_CONFIG ................................................. 78
6.9.3 IP access protection with programmed communications connections .................................. 78
6.9.4 Programmed communications connections - assigning parameters to the ports .................. 79
6.9.5 Open TCP/IP communication ................................................................................................ 79
6.9.6 Recommendation for use with a high communications load ................................................. 80
6.10 Security .................................................................................................................................. 81
6.10.1 Using VPN - effects on communication ................................................................................. 81
6.10.2 Reloading firewall rules .......................................................................................................... 81
6.10.3 Activating IP access protection .............................................................................................. 82
6.10.4 Importing certificates for SMTP with STARTTLS or FTPS .................................................... 82
6.10.5 Security and STEP 7 special diagnostics activated - configuration activities blocked .......... 82
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CP 443-1 Advanced (GX30)
Manual, 03/2019, C79000-G8976-C256-05