HMS A8NDPV1 Instruction Manual page 118

TIA Portal Acyclic communication example
Once this request is processed successfully, a read request can be issued. The response of this re-
quest will determine whether the parameter write was successful. The format of a positive re-
sponse is as follows:
Byte no.
0
1
2
3
In case of a negative response, the format is as follows:
Byte no.
0
1
2
3
4
5
6-7
Modify the data structures created in the previous example to account for the changes (note the
changes in start value fields):
108
Description
Request ID
Request reference
No. of parameters
DO-ID
Description
Request ID
Request reference
No. of parameters
DO-ID
No. of values
Format
Error value
Get Started
Value
0x02
0x01-0xFF (same as in request)
0x01
0x01
Value
0x82
0x01-0xFF (same as in request)
0x01
0x01
0x01
0x44 (error)
Error value (see error table)
Doc.Id. HMSI-216-127
Doc.Rev. 1.01