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Communication
6.5 Communication via PROFINET
Control Units CU240S
170 Operating Instructions, 10/2007, A5E00766042B AC
Default router
If data needs to be forwarded by means of TCP/IP to a partner located outside the sub-
network, this is carried out via the default router. In the properties dialog in STEP 7
(Properties of Ethernet interface > Parameters > Network transfer), the default router is
described as the router. STEP 7 assigns the local IP address to the default router.
6.5.3 PROFINET Communication Parameters
PROFINET parameters
The following parameters must be set to start-up the PROFINET interface:
Table 6-33 PROFINET parameters
Parameter Content
P0700 Selection of command source
P0922 Selection of PROFINET standard telegram
P0927 Modification source for parameters
P1000 Selection of frequency setpoint
P2038 Selection of communication profile
P2042 Selection of the ident number (native or NAMUR) send to PLC
r8850 Process data setpoint source (BICO)
P8851 Process data actual values (BICO)
P8841 Communication board functions
P8840 Process data telegram failure time
r61000 PROFINET name of station
r61001 PROFINET IP Of Station
r61002 PROFINET MAC Of Station
r61003 PROFINET Default Gateway Of Station
r61004 PROFINET Subnet Mask Of Station
r8858 Communication board diagnostics
r8859 Fieldbus identification data display
P0700 and P1000 selection of command and setpoint source
Command and setpoint source can be quickly selected via P0700 and P1000.
r8850 and P8851 BICO
Much greater flexibility is afforded by the interconnection of process data using
binectors/connectors.
Detailed connection of setpoints and actual values to and from the PROFINET interface
is parameterized in r8850 and P8851.
The following table shows the parameters specific to the PROFINET interface relating to
the connection of process data:
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