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8.2.1 Sending Packet
Figure 59: Send > Packet Header and Send Data
Packet Header
Under Send > Packet Header the elements of the packet header of the
sending packet are displayed, which is transmitted from the application
(configuration software) to the device. The packet header of the sending
packets contain the elements described in the following table.
Element
Description
Dest Destination Queue Handle Contains the identifier of the receiver for the packet
(destination task queue of the firmware).
Src Source Queue Handle Contains the identifier of the sender of the packet
(sending task).
Dest ID Destination Queue Reference Contains an identifier for the receiver of unsolicited sent
packets from the firmware to the application
(configuration software).
Src ID Source Queue Reference Contains an identifier of the sender.
Len Packet Data Length (in Bytes) Length of the send respectively receive data.
ID Packet Identification As Identifies identical data packets among each other.
Unique Number
State Status / Error Code Transmits status or error codes to the packet sender.
Cmd Command / Response Code Command or respond code.
Ext Extension Field for extensions (reserved).
Rout Routing Information Internal value of the firmware.
Table 42: Descriptions Packet Header
‣ Under Dest select the receiver (destination task queue).
‣ Under Cmd select the command identification (Request).
Auto Increment ID is an increment for the identifier of the data packets
and increments the ID by 1 for each newly sent packet.
DTM for Hilscher PROFIBUS DP Slave Device | Configuration of Hilscher Slave Devices
DOC091001OI07EN | Revision 7 | English | 2011-09 | Released | Public © Hilscher, 2009-2011