DP module 12: Extended command channel
Module 12, extended command 33dec (21hex):
read the diagnostic character string of an AS-i slave with the profile S-7.4
9-36
Response from controllere (gateway)
Bit
Word
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
E=0
S
0/1
M
0/1
reflected user ID
reflected command number = 21
hex
2
TG
R
slave address
F=0
R
R
number of bytes to be received
3
diagnostic character string 1
diagnostic character string 0
4…16
diagnostic character strings 2…27
17
diagnostic character string 29
diagnostic character string 28
18
reserved
Legend
→
page
Example:
Word no.
Value [hex]
Description
1 0721
M=0: AS-i master 1
07 = reflected user ID 7
21 = reflected command number 33
2
0
608
or
8
608
x6 = slave address 3 shifted 1 bit to the left
→
3 * 2 = 6
08 = 8 bytes ID data
The most significant bit (TG) changes depending on the version
3
2D01
1st word of the diagnostic character string of slave 3
4
0203
2nd word of the diagnostic character string of slave 3
5
1122
3rd word of the diagnostic character string of slave 3
6
3344
4th word of the diagnostic character string of slave 3
7…18 0000
reserved
Note:
The control bytes defined in profile 7.4 with follow and valid bits are filtered out by the system.
Summary of Contents for Ecomat 300 AC1355
Page 8: ...8 15 Terms abbreviations 15 1 16 Index 16 1 ...
Page 12: ...On this manual Overview where is what 1 4 ...
Page 14: ...Safety instructions Functions and features 2 2 ...
Page 16: ...System requirements Required accessories 3 2 ...
Page 18: ...Getting started Set up Profibus DPV1 4 2 ...
Page 24: ...Menu Main menu Fieldbus Setup 6 4 ...
Page 52: ...Set up Finish set up 7 28 ...
Page 238: ...Technical data Profibus DP interface 13 2 ...
Page 246: ...Terms abbreviations 15 6 ...