Definition Of Terms - Siemens SIMATIC NET CP 5511 Installationsanleitung

CP 5511 Communications Card under Windows 98, NT 4.0, 2000 Professional C79000-Z8974-C70-02

7.2 Definition of Terms

Set PG/PC The "Set PG/PC Interface" configuration program allows you to assign
parameters for PROFIBUS communication connections.
Interface
The access point is the name of a communication connection.
Access Point of the
Applications and program libraries can access the interface via the
Application
access point.
You can create new access points by selecting the entry "Add/Delete"
in the "Access Point of the Application" list box.
• If you want to work with SOFTNET-DP :
Use the default access points "CP_L2_X:" where X = 1 to 4. The
number X must be specified as the CP number in the structure
element reference.board for the dpn_init() call.
• If you want to work with SOFTNET DP Slave:
Whenever possible, use the DPSONLINE access point. You can,
however, use other access points. The name of the access point
must be entered for DPS_open().
• If you want to work with FDL:
You can use any access points. These must be entered as
parameters for the SCP_OPEN() call.
• If you want to work with SAPI S7:
You can use any name you require for the access point. The access
point must be specified in the program as the parameter "cp_name"
of the "s7_init" command.
• If you want to work with STEP 7:
You must, for example, use the access point "S7ONLINE" to
communicate with S7 programmable controllers. You can also use
this name in your programs.
Interface Parameter Interface parameter assignments contain all the properties of a network
access point. These include the underlying hardware, the station
Assignments
parameters and the bus parameters.
Assignment Link an access point to an interface parameter assignment following the
steps outlined in Section 7.3:
24
© Copyright by SIEMENS AG