ProSoft Technology 5205-DFNT-PDPS - Manual (Page 28)

PDPS ♦ ProLinx Gateway Configuration
PROFIBUS DP Slave
Page 28 of 61 ProSoft Technology, Inc.
December 31, 2008
Parameter Data Structure
SPC3 evaluates the first seven data bytes (without user prm data), or the first
eight data bytes (with user prm data). The first seven bytes are specified
according to the standard. The eighth byte is used for SPC3-specific
communications. The additional bytes are available to the application.
Byte Bit Position Designation
7 6 5 4 3 2 1 0
0 Lock
Reg
Unio
Req Sync
Req Free
Req WD on Res Res Res Station status
1 WD_Fact_1
2 WD_Fact_2
3 MinTSDR
4 Ident_Number_High
5 Ident_Number_Low
6 Group_Ident
7 Spec_User_Prm_Byte
8 to 243 User_Prm_Data