Basic procedure, Version – Efficient Networks Siemens Sinamics S120 User Manual

Page 402

Advertising
background image

Communication PROFIBUS DP/PROFINET IO

10.1 Communications according to PROFIdrive

Drive Functions

402

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

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

,QGH[QXPEHU

3DUDPHWHUQXPEHU

0DLQVHWSRLQW

-RJVHWSRLQW

QBVHWB

,QSXWLQ%,SDQG%,S

2EMHFW
'HYLFH
&8
:LULQJWRLWVHOI

6DYHVHWSRLQW

-RJVHWSRLQW

'+H[

'+H[























;

',

;

',

U

U

S>&@

S>&@





S

9

S

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 reference = 40

hex

Request ID = 02 hex

0 + 1

Request header

Axis = 02 hex

No. of parameters = 04 hex

2 + 3

Attribute = 10 hex

No. of elements = 01 hex

4 + 5

Parameter no. = 1055 dec

6

1. parameter address

Subindex = 0 dec

8

Attribute = 10 hex

No. of elements = 01 hex

10 + 11

Parameter no. = 1056 dec

12

2. parameter address

Subindex = 0 dec

14

Attribute = 10 hex

No. of elements = 01 hex

16 + 17

Parameter no. = 1058 dec

18

3. parameter address

Subindex = 0 dec

20

Attribute = 10 hex

No. of elements = 01 hex

22 + 23

4. parameter address

Parameter no. = 1059 dec

24

Advertising