PROFIBUS DP-Master

Getting started / Configuration 70/315
In detail, the various tasks have the following functionality and responsibilities:
AP task
The AP task provides the interface to the user application and the control of the stack. It also
completely handles the DualPort Memory interface of the communication channel. In detail, it is
responsible for the following:
• Handling the communication channels DPM-interface
o Process data exchange
o Channel mailboxes
o Watchdog
o Provides Status and diagnostic
• Handling applications packets (all packets described in Protocol Interface Manual)
o Configuration packets
o Packet Routing
• Handling stacks indication packets
• Provide information about connection state
• Preparation of configuration data
• Evaluation of data base files
PROFIBUS FSPMM task
The PROFIBUS FSPMM task is responsible for the Profibus V0 and Profibus V1 Class 1 functionality.
In detail, it handles the following items:
• Cyclic Communication
• Acyclic Communication DP V1 Class 1
• Alarm handling
PROFIBUS FSPMM2 task
The PROFIBUS FSPMM2 task is responsible for the Profibus V1 Class 2 functionality. In Detail, it
handles the following items:
• Acyclic Communication DP V1 Class 1
• Master Master communication
Profibus DL task
The Profibus DL task is responsible for the FDL services. It provides the following items:
• SAP handling
• Life List
• Data transmission services (SDA, SDN, SRD)
PROFIBUS DP-Master |
DOC061001API12EN | Revision 12 | English | 2010-12 | Released | Public © Hilscher, 2006-2010