PROFIBUS DP Slave (Protocol API, netX)
PROFIBUS DP Slave (Protocol API, netX)
PROFIBUS DP Slave (Protocol API, netX)
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Getting started/Configuration 40/228<br />
In detail, the various tasks have the following functionality and responsibilities:<br />
APS task<br />
The APS task provides the interface to the user application and the control of the stack. It also<br />
completely handles the Dual Port Memory interface of the communication channel. In detail, it is<br />
responsible for the following:<br />
• Handling the communication channels <strong>DP</strong>M-interface<br />
• Process data exchange<br />
• channel mailboxes<br />
• Watchdog<br />
• Provides Status and diagnostic<br />
• Handling applications packets (all packets described in <strong>Protocol</strong> Interface Manual)<br />
• Configuration packets<br />
• Packet Routing<br />
• Handling stacks indication packets<br />
• Provide information about connection state<br />
• Preparation of configuration data<br />
<strong>PROFIBUS</strong> FSPMS task<br />
The <strong>PROFIBUS</strong> FSPMS task is the main part of the Profibus <strong>Slave</strong> Stack. The task is responsible<br />
for the following items:<br />
• Cyclic Communication<br />
• Acyclic Communication <strong>DP</strong> V1 Class 1<br />
• Acyclic Communication <strong>DP</strong> V1 Class 2<br />
• Alarm handling<br />
Profibus DL task<br />
The Profibus DL task is responsible for the FDL services. It provide the following items:<br />
• SAP handling<br />
• Life List<br />
• Data transmit services (SDA, SDN SRD)<br />
<strong>PROFIBUS</strong>-<strong>DP</strong> <strong>Slave</strong> | <strong>Protocol</strong> <strong>API</strong><br />
DOC050401<strong>API</strong>12EN | Revision 12 | English | 2012-01 | Released | Public © Hilscher, 2005-2012
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