Table 92 Structure Of The Indexoffset In The Aoe Data Area For An Isdu Write Request (Aoe Write Request) - WAGO 765-1205/100-000 Product Manual

765-1205/100-000
Offset
4
8
12
The data is stored in IndexOffset as follows:
Table 92: Structure of the IndexOffset in the AoE Data Area for an ISDU Write Request (AoE Write Request)
Offset
4
6
7
The following figure shows the structure of the AoE header and AoE data area of the
ISDU write service.
(2) AoE Write Response: Response from the ISDU Write Service
The EtherCAT master receives the AoE write response (number (2) in figure "ISDU Write
Process (EtherCAT)").
AoE Write Response: Structure of the AoE Data Area (in Case of Success: ADS
Return Code Equals 0)
If the Result parameter (offset 0) in the AoE data area of the response packet has the
value 0 (ERR_NOERROR), then the ISDU write request has been executed successfully,
and the user data has been written to the addressed object of the IO-Link device.
The response has the following structure:
Product manual | Version: 2.0.0
8DIO FLD EC DC 24V 2.0A
Parametername Type
IndexOffset Unsigned32
Length Unsigned32
Data
Parametername Type
(IO-Link index) Unsigned16
– Unsigned8
(IO-Link subindex) Unsigned8
Figure 44: Structure of the AoE Header and AoE Data Area for the ISDU Write Service
Value Description
see below IndexOffset of the data to be written. Con-
tains index and subindex of the IO-Link ob-
ject. Structured according to the following
table.
Length of the data to be written (in bytes).
Data for the ISDU write request (n bytes).
Value Description
0x0000 ... Object index of the IO-Link device to be
0x7FFF written to
0x00 Fixed value
0x00 ... Object subindex of the IO-Link device to be
0xFF written to.
Appendix
121