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
350
Example:
read AS-i master version
Request from fieldbus master to device
Word no.
Value [hex.]
Meaning
1
0465
04 = user ID changes e.g. to 4
65 = command request
2
001A
1A = command number 26
3...19 xxxx
not
used
Response from device to fieldbus master
Word no.
Value [hex.]
Meaning
1
046F
04 = reflected user ID
6F = command status is "done" (no error)
2
001A
reflected command number
3
0100
01 = device with 1 master
00 = test mode 0
Acyclic command 25 (19hex) – set AS-i master test mode (
→
)
4
0000
places before the decimal point of version 0.237A
5
237A
places after the decimal point of version 0.237A
6...19 xxxx
not
changed