53
ifm
Device Manual Supplement: Acyclic data records and Command interface (AC14 and AC4S)
2017 / 09
Command channels
>
4.2.11
Command 0x010D – Read fieldbus info
7052
The command reads information via the fieldbus.
The command can only be executed using the function block
ACnnnn_SysCmd
under
CODESYS! (
→ programming manual, section
ACnnnn_SysCmd
)
>
Command request channel (fieldbus master >>> device)
7064
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.
>
Command response channel (device >>> fieldbus master)
8909
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 ... 23
→
DS18 – Fieldbus information
(
→ p.
24 ... 120
The area is completely ignored.
It does not matter whether the data area exists or what data is contained.
>
Possible command error codes
7030
Error Code
Error
Description
0x00
no error