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9 Further Notes on Operation

B−71

CP 343-1 Advancedfor Industrial Ethernet / Manual Part B

Release 06/2008

C79000-G8976-C202-04

9.11.2 IP access protection with programmed communication

connections

In principle, it is possible to set up communication connections using FB55 by

programming and at the same time by configuring IP access protection. Please

note the following point:

Notice

When configuring specified connections in STEP 7 / NCM S7, the IP addresses of

the partners are entered automatically in the IP-ACL (IP Access Control List).

The IP addresses of partners with unspecified connections (passive end points)

and of partners on programmed communication paths are not entered in the

IP-ACL. This means that communication with unspecified nodes is not possible if

IP access protection is activated.

9.11.3 Programmed communications connections − Assigning

parameters to the ports

The CP now supports the following settings when assigning parameters to the

ports in the parameter block for TCP connections and UDP connections:

S SUB_LOC_PORT parameter

The port can be specified as an option when the connection is established

actively.

S SUB_REM_PORT parameter

The port can be specified as an option when the connection is established

passively.

9.12 Gigabit interface − special features in STEP 7

Notice

The STEP 7 functions in the SIMATIC Manager “Display Accessible Nodes” and

“Edit Ethernet Node...” are not supported in the device version of the gigabit

interface described here.

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