Siemens SIMATIC NET System Manual page 325

Industrial ethernet / profinet industrial ethernet
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The communication processors support:
● PG/OP communication
● Communication via OPC UA as OPC UA server and/or OPC UA client for exchanging
process data (data access)
With this CP, the SIMATIC S7-400 control unit exchanges data via a standardized OPC UA
interface with other nodes. The CP can be used as OPC UA Server and/or OPC UA Client.
The communication as OPC UA Client takes place via the application blocks standardized by
the PLCOpen organization.
The device has the following additional characteristics and functions:
● 1x RJ45 socket for the connection to Industrial Ethernet with 10/100/1000 Mbps
(full/half duplex)
Connection is possible via an IE FC RJ45 Plug 180 with 180° cable outlet or via a
standard patch cable.
● Automatic data rate detection with autonegotiation and autocrossover function.
● Diagnostic LEDs for displaying the operational and communication status.
● Fanless operation of the communication processor
● The communication services operate via the following interfaces:
– As an OPC UA server: Read/write access for data exchange (DA), access via
– As an OPC UA client: Read/write access for data exchange (DA). Communication via
– Programming device communication via configuration of the CP, internetworking with
– Forwarding the time to the CPU as NTP time client (optional secure NTP) module
– The CP can operate simultaneously as an OPC UA Server and OPC UA Client.
● Diagnostics and network management:
– With HTTPS via a Web browser
– Standard diagnostics and extended diagnostics in STEP 7
– Integration in network management systems by supporting SNMP V1/ V3
● Security mechanisms:
– Access protection through authentication via certificate, encryption and signing of data
– HTTPS communication with the webserver
● A wide range of diagnostic options with LEDs, in STEP 7 and Web-based diagnostic units
with monitoring by IT network management tools (SNMP V1 MIB II)
● Configuration of all functions with STEP 7 as of V5.5
● Configuration with STEP 7 Professional V14 or higher
● Module replacement without programming device by storing all data on the CPU
Industrial Ethernet
System Manual, 09/2019, C79000-G8976-C242-10
subscriptions
standardized function blocks according to PLCopen
S7 routing
replacement without programming device: All configuration information is stored on
the CPU
Corresponding restrictions of the configuration limit can be found in the manual
Communications processors for SIMATIC S7
8.4 Communications processors for SIMATIC S7-400
325

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