PROFIBUS DP-Master

The Application Interface 297/315
Packet Description
structure PROFIBUS_APM_CMD_REDUNDANT_MODE_REQ
Type: Request
Area Variable Type Value / Range Description
tHead
structure TLR_PACKET_HEADER_T
ulDest UINT32 0x20/ APM_QUE Destination queue handle
ulSrc UINT32 0 ... 2 32 -1 Source queue handle
tData
ulDestId
ulSrcId
UINT32
UINT32
0
Freely eligible
Destination end point identifier, specifying the final
receiver of the packet within the destination
process. Set to 0 for the Initialization Packet
Source end point identifier, specifying the origin of
the packet inside the source process
ulLen UINT32 2 Packet Data Length in bytes
ulId UINT32 0 ... 2 32 -1 Packet Identification as unique number generated
by the Source Process of the Packet
ulSta
UINT32
ulCmd UINT32 0x3000 PROFIBUS_APM_CMD_REDUNDANT_MODE_REQ -
Command
ulExt UINT32 0 Extension not in use, set to zero for compatibility
reasons
ulRout UINT32 x Routing, do not change
structure
bRedundantAddr UINT8 0...126
255
bOption UINT8 Bit 0: 0 = active
1 = passive
Address of the redundant master.
Value 255 is for using the address of the active
master minus 1 for bOption = 1. If the active master
has address 0, then address 125 is used.
Bit mask for redundant options
Bit 1-7: reserved
Table 183: PROFIBUS_APM_CMD_REDUNDANT_MODE_REQ
PROFIBUS DP-Master |
DOC061001API12EN | Revision 12 | English | 2010-12 | Released | Public © Hilscher, 2006-2010