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Communication protocol 149
Example 6: Configuring the process data written to the drive
PROFIdrive parameter 915 can be used to define which data is
written cyclically to a drive parameter as application-specific
process data.
In the example below, the value of drive parameter
12.02
(0Ch.02h) is selected to be taken from PZD3. The parameter will
continue to be updated with the contents of PZD3 in each Request
frame until a different selection is made.
Subindex
(IND) defines which process data word (PZD) the
required data is taken from.
Parameter Value
selects the drive
parameter to which that word is mapped.
Subsequently, the contents of PZD3 in each Request frame are
written to drive parameter
12.02 CONSTANT SPEED 1
until a
different selection is made.
Req
D
P
he
ade
r 7
3
9
3
0
3
0
0
0
0
0
0
0
C
0
2
0
4
7
F
3
4
1
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
DP tr
aile
r
Resp
4
3
9
3
0
3
0
0
0
0
0
0
0
C
0
2
0
3
3
7
3
4
1
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
CW
REF
Request (Change parameter value [array])
Parameter Number (915 decimal)
Subindex (03 = PZD3)
1)
Parameter Value
PZD3 PZD4 PZD5 PZD6
SW
ACT
Parameter Number (915 decimal)
Response (Transfer parameter value [array])
Subindex (03 = PZD3)
1)
Parameter Value
PZD3 PZD4 PZD5 PZD6
1)
2nd byte reserved
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 ...