5 Configuring Communication Connections
A-108
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
Handling Connections in a Multiproject
Interproject connections to a specified partner (for example, a CPU) are created in
the same way as connections within a project (identical procedure). The dialog for
selecting the connection partner has been extended and allows you not only to
select the endpoint (module) but also the project within a multiproject to which the
endpoint belongs.
The consistency of interproject connections is retained when you work with the
projects of the multiproject:
Interproject connections within a multiproject are implicitly broken when a
project is taken out of the multiproject for distributed editing and the connection
partner is located in the removed project.
When the removed project is returned to the multiproject, STEP 7 automatically
merges the broken connections consistently.
Connections to Non-S7 Stations using Substitute Objects
If you want to configure connections to devices or stations that are not S7 stations,
select a station of the type “SIMATIC S5”, “PC/PG” or “Other Station” as the
destination station.
By creating these stations in NetPro and networking them, you have already
specified the node addresses (MAC or IP addresses) of the two stations. You must
specify the TSAP (Transport Service Access Point) for the destination station.
Notice
Connections to non-S7 stations (for example SIMATIC S5) are generated as
incompletely specified connections; in other words, the remote TSAP or port is
empty. These connections must be specified in the Properties dialog.
5.3.2 Connections to Partners in Other Projects
There are various ways of creating connections to partners configured in other
STEP 7 projects or with other tools outside the current STEP 7 project:
Connections using substitute objects such as “SIMATIC S5”, “PC/PG” ,
“SIMATIC PC Station” or “Other Station”.
This method is described in the section above.
Unspecified connections
STEP 7 object ”Partner in other project” (multiproject)
With this method, a connection is reserved in both subprojects that can be
synchronized later by the system when the partner project is included in the
multiproject.
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