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16
ifm
Device Manual Supplement: Acyclic data records and Command interface (AC14 and AC4S)
2017 / 09
Acyclic data records
>
3.3.3
Host flags
7162
The host flags are regularly updated by the host. The AS-i master cyclically checks the host flags for
changes.
The host flags are saved in the following register:
Host Flags
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
DEA
OFF
Legend:
Flag
Designation
Description
Initial value at power-on
OFF
Offline
1 (TRUE): Execution control of the master changes to the
offline mode. The function Set_Offline_Mode()
is implemented via this flag.
0 (FALSE)
DEA
Data_Exchange_Active
1 (TRUE): Data exchange activated between master and
slaves. The function
Set_Data_Exchange_Active() is implemented
via this flag
1 (TRUE)
>
3.3.4
DAE/EE flags
16935
The DAE/EE flags indicate if the double address detection and the earth fault detection are on.
The DEA/EE flags are saved in the following register:
DAE/EE flags
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
--
--
--
--
--
--
--
DAE
active
--
--
--
--
--
--
--
EE
active
Legend:
Flag
Designation
Description
Initial value at PowerOn
DAE
active
Double address
detection active
1 (TRUE):
0 (FALSE):
Double address detection is on.
Double address detection is off.
0 (FALSE)
EE active
Earth fault detection is
active
1 (TRUE):
0 (FALSE):
Earth fault detection is on.
Earth fault detection is off.
1 (TRUE)