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Communication protocol 153
PROFIBUS SD2 telegram for SAP 51
The read/write service uses a variable-length PROFIBUS SD2
telegram shown below.
DP header
DP trailer
SD LE
LEr SD DA SA FC DSAP SSAP
DU FCS
ED
68h x
x
68h xx
xx
x
xx
xx
x… xx
16h
SD = Start delimiter
LE = Length
LEr = Length repeated
DA = Destination address
SA = Source address
FC = Function code
DSAP = Destination service access point
SSAP = Source service access point
DU = Data unit for DP services
FCS = Frame checking sequence
ED = End delimiter
Data unit
DP-V1
Command/Response
PROFIdrive V3 Parameter Channel
DU0 DU1 DU2 DU3 Request/Response header
(See the tables on pages
and
.)
Data
Byte
Meaning
Value
DU0
Function number
.
DU1
Slot number
0 = Module itself
1 = Drive parameter access
DU2
Index
47 (0x2F)
DU3
Data length
(Depends on type of
message)
DU4…DUn
PROFIdrive data
Содержание FPBA-01 PROFIBUS DP
Страница 1: ...Options for ABB drives converters and inverters User s manual FPBA 01 PROFIBUS DP adapter module ...
Страница 4: ......
Страница 10: ...10 Table of contents Document library on the Internet 195 ...
Страница 20: ...20 About the manual ...
Страница 26: ...26 Overview of the PROFIBUS network and the FPBA 01 module ...
Страница 30: ...30 Mechanical installation ...
Страница 91: ...Start up 91 8 Click Properties Network Settings and set baud rate ...
Страница 98: ...98 Start up ...
Страница 118: ...118 Communication profiles ...
Страница 178: ...178 Diagnostics ...
Страница 182: ...182 Technical data ...
Страница 190: ...190 Appendix A PROFIdrive parameters ...