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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
377
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
reflected user ID
Command status (
→
page
) = 6B
hex
2
TG
reserved = 0
reflected command number
3
reserved = 0
error code
4...19
not changed*)
not changed*)
Legend:
TG
toggle bit
1 bit
value changes for each execution of the command
*)
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
Response from device to fieldbus master in case of a fault
, if error detected by AS-i slave
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
) = 6B
hex
2
TG
reserved = 0
F=1
reflected command number
3
CTT2 error codes (
→
)
error code = E1
hex
4...19
not changed*)
not changed*)
Legend:
TG
toggle bit
1 bit
value changes for each execution of the command
F
error bit
1 bit
0 = no error detected
1 = error when executing the command
*)
IMPORTANT:
For the query read only the required bytes!
Unused bytes can contain information of previous queries.