ABB FPBA-01 PROFIBUS DP, Руководство пользователя

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164 Communication protocol
Example 1b: Reading 3 drive parameters (multi-parameter)
In this example, three parameters ( 12.04 , 20.08 and 30.19 ) are
read using one telegram.
•
DP-V1 Write request (Read parameter value):
DP
header 5
F 0
1 2
F 1
6 0
6 0
1 0
1 0
3 1
0 0
1 0
0 0
C 0
0 0
4 •••
DP-V1
Command PROFIdrive V3 Parameter Channel
••• 1
0 0
1 0
0 14 0
0
0
8 •••
(Par. Channel
continued)
••• 1
0 0
1 0
0 1
E 0
0 1
3 DP
trailer
(Par. Channel
continued)
Function number
Slot number
Index
Data length
Request reference
Request ID (01h= Request Parameter
Drive object ID
Number of parameters
Attribute (10h = Value)
Number of elements
Parameter number
Subindex