ifm
Device manual AS-i M4 Gateway Profibus DPV1 (AC1375, AC1376)
2012-02-23
Acyclic services for Profibus DPV1
Acyclic command in the DPV1 command channel
348
Response from device to fieldbus master
Bit
Offset
Word no.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
reflected user ID
Command status (
→
page
) = 6F
hex
2
reserved = 0
reflected command number
3...19
not changed*)
not changed*)
*)
IMPORTANT:
For the query read only the required bytes!
Unused bytes can contain information of previous queries.
Example:
set AS-i master to test mode 2
Request from fieldbus master to device
Word no.
Value [hex.]
Meaning
1
0765
07 = user ID changes e.g. to 7
65 = command request
2
0019
19 = command number 25
3
0002
0002 = test mode 2: as in normal operation, however, slaves which have not responded 6
successive times are not deleted from the LDS.
4...19 xxxx
not
used
Response from device to fieldbus master
Word no.
Value [hex.]
Meaning
1
076F
07 = reflected user ID
6F = command status is "done" (no error)
2
0019
reflected command number
3...19 xxxx
not
changed
