Security Functions - Siemens SIMATIC S7-400 Operating Instructions Manual
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Application and functions
1.3 Security functions
For information on configuring the server and client function refer to the section
Configuration of the CP in STEP 7 V5 (Page 45).
The CP supports the following specifications:
● IEC/TR 62541-1 (08-2012) OPC Unified Architecture - Part 1: Overview and Concepts
● IEC/TR 62541-2 (02-2009) OPC Unified Architecture - Part 2: Security Model
● IEC 62541-3 (08-2012) OPC Unified Architecture - Part 3: Address Space Model
● IEC 62541-4 (08-2012) OPC Unified Architecture - Part 4: Services
● IEC 62541-5 (08-2012) OPC Unified Architecture - Part 5: Information Model
● IEC 62541-6 (08-2012) OPC Unified Architecture - Part 6: Mappings
● IEC 62541-7 (09-2010) OPC Unified Architecture - Part 7: Profiles
● IEC 62541-8 (08-2012) OPC Unified Architecture - Part 8: Data Access
● PLCopen and OPC Foundation, OPC-UA Client Function Blocks for IEC 61131-3,
Release 1.0 (04-2014)
PG/OP communication
PG/OP communication (HMI connections) is released for the configuration of the CP.
As protection against unauthorized access, this type of communication can be blocked in the
configuration.
S7 routing
S7 routing is supported by the CP.
1.3
Security functions
Security
As an option you can enable Security functions for the CP.
The Security functions listed below are integrated in STEP 7 Professional and are available
when using STEP 7 V5 with the Security Configuration Tool (SCT). The SCT is called up in
the STEP 7 configuration.
● NTP (secure)
For secure transfer during time-of-day synchronization
● SNMPv3
For secure transmission of network analysis information safe from eavesdropping
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Operating Instructions, 01/2017, C79000-G8976-C427-02
CP 443-1 OPC UA
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