EUCHNER AS-i 3.0 Command Interface - Manual (Page 55)

AS-i 3.0 Command Interface Commands of the Command Interface
Subject to reasonable modifications due to technical advances Id.-No.: 102875 Issue date - 3.12.2007 EUCHNER GmbH + Co. KG
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4.6.5 Read output data image (READ_ODI)
With this call, the output data values of all AS-i slaves is being read out of the AS-
i Master.
4.6.6 Set offline mode (SET_OFFLINE)
This call switches between online and offline mode.
The online mode is the normal operating state for the AS-i master. The following
jobs are processed cyclically:
• During the data exchange phase, the fields of the output data are transferred to
the slave outputs for all AS-i slaves in the LAS. The addressed AS-i slaves sub-
mit the values of the slave inputs to the master when the transfer was free of
errors.
• This is followed by the inclusion phase in which existing AS-i slaves are
searched and newly added AS-i slaves are entered in the LDS or LAS.
• In the management phase, jobs by the user such as writing parameters are ex-
ecuted.
In the offline mode, the AS-i Master processes jobs by the user only. (Jobs that
involve the immediate addressing of an AS-i slave are rejected with an error).
There is no cyclic data exchange with the AS-i slaves.
When offline, the AS-i circuit is in a safe state.
Response
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 42
16
2 T result
Request
byte 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0
1 56
16
2 T – circuit
Response
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 56
16
2 T result
3 – slave 1A
slave 2A slave 3A
… …
34 slave 30B slave 31B