79
ifm
Device Manual Supplement: Acyclic data records and Command interface (AC14 and AC4S)
2017 / 09
Command channels
>
4.3.13
Command 0x001A – Read AS-i master info
8827
>
Command request channel (fieldbus master >>> device)
11107
Offset
Word no.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
UID
2
command number
3 ... 120
The area is completely ignored.
It does not matter whether the data area exists or what data is contained.
Legende:
UID
user ID
1 word
0x0000…0xFFFF = 0…65535
The user ID ensures clear identification of the commmand response data
of the command request data sent before. The user can assign any user
ID in the command request. The AS-i master reflects the user ID from the
command request into the corresponding command response.
>
Command response channel (device >>> fieldbus master)
11137
Offset
Word no.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
reflected user ID
2
reflected command number
3
reserved
Command status
(
4
command error code
5
M12
reserved
6
Master firmware version, places before the decimal point
7
Master firmware version, decimal places
8 ... 120
The area is completely ignored.
It does not matter whether the data area exists or what data is contained.
Legend:
M12
number of AS-i masters
1 byte
0x00 = device has 1 AS-i master
0x01 = device has 2 AS-i masters
>
Possible command error codes
11101
There are no error messages for this command.
