IFM Ecomat 300 AC1355, Supplementary Device Manual

Page: 187 / 248

The DPV1 command channel
DPV1 command 33dec (21hex):
read diagnosis string of an AS-i slave with the profile S-7.4
11-33
Response from controllere (DPV1 slave)
Bit
Word
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
1
reflected user ID command status = 6F
hex
2
TG S AS-i slave address F reflected command number = 21
hex
3
diagnosis string 1 diagnosis string 0
4…16
diagnosis strings 2...27
17
diagnosis string 29 diagnosis string 28
18
00 number of bytes received
Legend → page 11-3
NOTE
The control bytes defined in profile 7.4 with follow byte and valid byte are filtered out by the system.
Example:
Word no. Value [hex] Description
1 076F
07 = reflected user ID 7
6F = command status is "ready" (no fault)
2
0621
or
8621
S=0
→
last sequence,
06
hex
= 00
00 011
0
2
→
slave address = 3(A),
21
hex
= reflected command number 33
dec
the most significant bit TG changes after each execution
3 2D01 1st word of the diagnosis data of slave 3(A)
4 0203 2nd word of the diagnosis data of slave 3(A)
5 1122 3rd word of the diagnosis data of slave 3(A)
6 3344 4th word of the diagnosis data of slave 3(A)
… … …
18 0008 8 bytes diagnosis data