Siemens SIMATIC NET CP 343-1 Uživatelský manuál stáhnout pdf (Strana 65)

9 Further Notes on Operation

B−65

CP 343-1 Advancedfor Industrial Ethernet / Manual Part B

Release 06/2008

C79000-G8976-C202-04

9.4.3 Obtaining the IP address over DHCP: CP STOP on expiry of the

lease

If you have configured “Obtain IP address from a DHCP server”, when the CP

starts up, it is assigned a valid IP address by the DHCP server for a restricted time

(period of the lease).

When the lease expires the reaction of the CP is as follows:

The CP changes to STOP and loses the previously assigned IP address if the

DHCP server does not extend it before expiry of the lease. All communication

connections are terminated.

9.5 PROFINET IO / IRT communication − synchronization

types

Within an IRT domain (Isochronous Real Time), you can use the CP for IRT

communication.

You specify the required synchronization parameters in the properties dialog of the

PROFINET interface (HW Config: Row “X2 (<device name>)”) in the

“Synchronization” tab.

9.6 IP access protection via the IP access control list with a

PROFINET IO device

Please note the following when IP access protection is activated:

When you configure the CP as a PROFINET IO device, make sure that you enter

the IP address of the PROFINET IO controller in the IP access list.

9.7 Media redundancy

You can use the CP in a ring topology with media redundancy. The CP itself can be

redundancy manager or redundancy client.

You create the configuration in STEP 7 in the properties dialog of the PROFINET

interface in the “Media redundancy” tab (HW Config: Row “X2 (<device name>)”).

For more detailed information on configuration, refer to the online help of the

“Media redundancy” tab and in Part A of the manual.

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Siemens SIMATIC NET CP 343-1 Uživatelský manuál Strana 65