Siemens SIMATIC S7-1500 Function Manual page 12

11 Connection resources ............................................................................................................................ 307
11.1 Connection resources of a station ........................................................................................ 307
11.2 Allocation of connection resources ....................................................................................... 311
11.3 Display of the connection resources ..................................................................................... 316
12 Diagnostics and fault correction ............................................................................................................. 320
12.1 Connection diagnostics ......................................................................................................... 320
12.2 Emergency address .............................................................................................................. 323
13 Communication with the redundant system S7-1500R/H ....................................................................... 324
13.1 System IP addresses ............................................................................................................ 325
13.2 Response to Snycup ............................................................................................................. 331
13.3 Response to primary-backup switchover .............................................................................. 331
13.4 Connection resources of the redundant system S7-1500R/H .............................................. 332
13.5 HMI communication with the redundant system S7-1500R/H .............................................. 334
13.5.1 HMI connection via the system IP address .......................................................................... 334
13.6 Open User Communication with the redundant system S7-1500R/H .................................. 336
13.6.1 Setting up the connection of the Open User Communication with the redundant S7-
1500R/H system ................................................................................................................... 336
14 Industrial Ethernet Security with CP 1543-1 .......................................................................................... 342
14.1 Firewall .................................................................................................................................. 343
14.2 Logging ................................................................................................................................. 344
14.3 NTP client ............................................................................................................................. 345
14.4 SNMP .................................................................................................................................... 345
14.5 VPN ....................................................................................................................................... 346
Glossary ................................................................................................................................................ 347
Index ...................................................................................................................................................... 359
Communication
Function Manual, 11/2019, A5E03735815-AH
Table of contents
11