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Device manual AS-i M4 Gateway Profibus DPV1 (AC1375, AC1376)
2012-02-23
DP module 12: extended command channel
Commands in the extended command channel
276
Response from device to fieldbus master in case of a fault
, if error detected by AS-i master
Bit
Offset
Word no.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
E=1
B
M
reflected user ID
reflected command number
2
reserved = 0
reserved = 0
3
reserved = 0
error code
4...18
not changed*)
not changed*)
Legend:
E
error bit
1 bit
0 = no error detected
1 = error when executing the command
B
busy
1 bit
0 = command processed, buffer response valid
1 = command in process, channel used
M
master no.
1 bit
0 = master 1
1 = master 2
*)
IMPORTANT:
For the query read only the required bytes!
Unused bytes can contain information of previous queries.
Possible error codes:
Value [hex.]
Meaning
16
timeout during command processing
17
start requirements for S-7.4 command not met:
- wrong slave profile (is not S-7.4) or:
- slave is not in LAS or:
- master is not in the Protected mode
E0...EF
error detected by AS-i slave;
CTT2 error codes (
→
page
F0
invalid CTT2 command
F1
invalid CTT2 response
F2
7.5 data length longer than 30 bytes
