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ifm
Device Manual Supplement: Acyclic data records and Command interface (AC14 and AC4S)
2017 / 09
Command channels
>
4.3.6
Command 0x0005 – Change the operating mode of the AS-i master
8807
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Command request channel (fieldbus master >>> device)
11114
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
reserved
MOD
4 ... 120
The area is completely ignored.
It does not matter whether the data area exists or what data is contained.
Legend:
MOD
operating mode
1 byte
0x00 = set master to the normal mode (protected mode)
0x01 = set master to the projection mode
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)
11086
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
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Possible command error codes
11115
Error Code
Error
Description
0x00
no error
0x03
SD0
slave with address 0 connected