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8.2.5.3
Read Input Data Image (READ_IDI)
With this call, the input data values of all AS-i slaves are read out of the AS-i/
PROFIBUS gateway in addition to the cyclic data exchange. Though the com-
mand READ_IDI transmits all execution control flags (byte 3 and byte 4).
byte
1
2
byte
1
2
3
4
OR
5
6
...
36
Pok Periphery_Ok
S0
LDS.0
AAs Auto_Address_Assign
AAv Auto_Address_Available
CA
Configuration_Active
NA
Normal_Operation_Active
APF APF
OR Offline_Ready
Cok Config_Ok
8.2.5.4
Write Output Data Image (WRITE_ODI)
With this call the output data values of all AS-i slaves are written in addition to the
cyclic data exchange.
byte
1
2
3
4
...
34
Subject to reasonable modifications due to technical advances.
68
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7
6
5
2
2
2
T
–
7
6
5
2
2
2
T
APF
NA
–
slave 2A
slave 30B
7
6
5
2
2
2
T
–
–
slave 2A
slave 30B
Command Interface
Request
4
3
2
2
41
16
circuit
Response
4
3
2
2
41
16
result
–
CA
AAv
...
Request
4
3
2
2
42
16
circuit
...
AS-Interface
2
1
2
2
2
2
1
2
2
2
Pok
AAs
s0
Cok
slave 1A
slave 3A
slave 31B
2
1
2
2
2
slave 1A
slave 3A
slave 31B
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0
0
0
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