PROFIBUS DP mapping

Examples of PKW aperiodic exchanges

Example of aperiodic write operation: Acceleration time ACC (address 9001) = 10 s, unit 0,1s (values in hexadecimal format).

1

2

3

4

5

6

7

8

etc.

 

 

 

 

 

 

 

 

etc.

23

29

00

02

00

00

00

64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ACC = 10 s

Write request

Address 9001 = 2329h

The positive response is identical to the write request, aperiodic part (bytes 1 to 8).

Example of negative response:

1

2

3

4

5

6

7

8

etc.

23

29

00

07

00

00

00

0

etc.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0 (incorrect address)

Negative response

S1A10386 10/2009

23

Page 23
Image 23
Schneider Electric 312 manual Examples of PKW aperiodic exchanges