Communication PROFIBUS DP/PROFINET IO 10.1 Communications according to PROFIdrive

The request is to be handled using a request and response data block.

 

 

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Figure 10-21 Task description for multi-parameter request (example)

Basic procedure

1.Create a request to write the parameters.

2.Invoke the request.

3.Evaluate the response.

Version

1. Create the request.

Parameter request

 

 

Offset

Request header

Request reference = 40

Request ID = 02 hex

0

+ 1

 

hex

 

 

 

 

Axis = 02 hex

No. of parameters = 04 hex

2

+ 3

1. parameter address

Attribute = 10 hex

No. of elements = 01 hex

4

+ 5

 

Parameter no. = 1055 dec

 

 

6

 

Subindex = 0 dec

 

 

8

2. parameter address

Attribute = 10 hex

No. of elements = 01 hex

10 + 11

 

Parameter no. = 1056 dec

 

 

12

 

Subindex = 0 dec

 

 

14

3. parameter address

Attribute = 10 hex

No. of elements = 01 hex

16 + 17

 

Parameter no. = 1058 dec

 

 

18

 

Subindex = 0 dec

 

 

20

4. parameter address

Attribute = 10 hex

No. of elements = 01 hex

22

+ 23

 

Parameter no. = 1059 dec

 

 

24

402

Drive Functions

Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4

Page 402
Image 402
Efficient Networks S120 manual Version, Qbvhwb