8 Using the Data Record Interface
147
IE/AS−INTERFACE LINK PN IO as of hardware version 1, as of firmware version V2.0
Release 08/2018
C79000−G8976−C216−03
8.2.1.13 Write_AODI
Meaning
This call writes the process image of the analog output data of the AS-i line of an
AS-i master.
Structure of the RecordDataRead service − Index 26
Byte Meaning
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Version_hi = 0x00
1 Version_lo = 0x00
2
3
Slave 1, channel 1 or slave 1A, channel 1
4
5
Slave 1, channel 2 or slave 1A, channel 2
6
7
Slave 1, channel 3 or slave 1B, channel 1
8
9
Slave 1, channel 4 or slave 1B, channel 2
...
...
242
243
Slave 31, channel 1 or slave 31A, channel 1
244
245
Slave 31, channel 2 or slave 31A, channel 2
246
247
Slave 31, channel 3 or slave 31B, channel 1
248
249
Slave 31, channel 4 or slave 31B, channel 2
You can use analog value access with the entire AS-i line to save I/O address
space in the S7 station.
Note
For more information on the mapping of the analog values in the data record, refer
to Section 8.2.1.12.
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