IFM Ecomat 300 AC1355, Supplementary Device Manual

Page: 179 / 248

The DPV1 command channel
DPV1 command 21dec (15hex):
read ID string of an AS-i slave with the profile S-7.4
11-25
Response from controllere (DPV1 slave) in case of an error
Bit
Word
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
1
reflected user ID command status = 6B
hex
2
00 reflected command number = 15
hex
3
00 error code
Example:
Word no. Value [hex] Description
1 026B
02 = reflected user ID 2
6B = error during command execution
2 0015 15 = reflected command number 21
3 0014 error code 14
hex
→ master is not in the normal mode
Possible error codes
Value [hex] Description
0C faulty S-7.4 protocol sequence
0D S-7.4 protocol aborted (timeout)
0E invalid AS-i slave address for the S-7.4 protocol (e.g. B slaves)
0F AS-i slave has completed the S-7.4 string
10 AS-i S-7.4 no longer connected (no longer in LAS)
11 to this AS-i slave another S-7.4 transfer is already active
12 previous segmented S-7.4 transfer not yet completed
13 invalid S-7.4 data length
14 invalid S-7.4 command