I/O Addresses" Parameter Group; Security" Parameter Group - Siemens SIMATIC S7-400 Operating Instructions Manual

● SNMPv3
Available only when security functions are enabled
For information on the configuring SNMPv3, refer to the section Security > "SNMP"
(Page 65).
Configuration
● "Enable SNMP"
If the option is enabled, communication via SNMPv1 is enabled on the CP.
If the option is disabled, queries from SNMP clients are not replied to by the CP either via
SNMPv1 or via SNMPv3.
See also
SNMP (Page 120)
4.8.5

"I/O addresses" parameter group

Start address
Here when necessary you can change the automatically assigned diagnostics address of the
CP.
4.8.6

Security" parameter group

Security functions
After enabling the security functions, the following parameter groups are available. The
configuration is described in the following sections or in the information system of STEP 7.
● Time-of-day synchronization
● Log settings
Here you configure the logging functions for the security properties of the CP.
The settings made here are downloaded to the station with the configuration data and
take effect when the station starts up.
For information on authentication with a logging server, refer to the section Handling
certificates (Page 73).
● SNMP
● Web server
● OPC UA
CP 443-1 OPC UA
Operating Instructions, 01/2017, C79000-G8976-C427-02
4.8 Configuration of the CP in STEP 7 Professional
Configuration and operation
63