PROFINET
6.7 SNMP Communication Service
S7-400 Automation System, CPU Specifications
Manual, 10/2006, 6ES7498-8AA04-8BA0
6-13
6.7 SNMP Communication Service
Availability
The SNMP communication service is available for CPUs with integrated PROFINET
interface and Firmware 5.0 or higher.
Properties
Network diagnostics SNMP (Simple Network Management Protocol) is the standardized
protocol for diagnostics of the Ethernet network infrastructure. In the office setting and in
automation engineering, devices from many different manufacturers support SNMP on the
Ethernet. SNMP-based applications can be operated on the same network in parallel to
applications with PROFINET.
Configuration of the SNMP OPC server is integrated in the STEP 7 Hardware Configuration
application. Already configured S7 modules from the STEP 7 project can be transferred
directly. As an alternative to STEP 7, you can also perform the configuration with the NCM
PC (included on the SIMATIC NET CD). All Ethernet devices can be detected by means of
their IP address and/or the SNMP protocol (SNMP V1) and transferred to the configuration.
The SIMATIC NET SNMP OPC server also provides detection of PROFINET devices using
the DCP protocol.
Integration in STEP 7
Applications based on SNMP can be operated on the same network at the same time as
applications with PROFINET. A STEP 7 connection is not required for network management
with the SNMP protocol.
Diagnostics with SNMP OPC Server in SIMATIC NET
The SNMP OPC server software provides diagnostic and parameter assignment functions
for all SNMP devices. The OPC server uses the SNMP protocol to perform data exchange
with SNMP devices.
All information can be integrated in OPC-compatible systems, such as the WinCC HMI
system. This enables process and network diagnostics to be combined in the HMI system.
Reference
For further information on the SNMP communication service and diagnostics with SNMP,
refer to the
PROFINET System Description.
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