Siemens SINUMERIK 840Di sl Commissioning Manual page 302

PROFIBUS DP Communication
8.10 DP slave SIMODRIVE drives
Dialog
Dialog: DP slave properties
OK
On confirming the dialog with "OK", the "DP Slave Properties" dialog box is closed. Step 1 of
parameterization of DP slave 611U is then complete.
Consistency
The default setting with regard to the consistency of the I/O data is whole length.
This setting results in:
● Direct accesses from the PLC user program (e.g. byte, word or double word) to this
● Accesses to this address range must be carried out using the system functions SFC 14
● The system functions SFC 14 and SFC 15 ensure consistent reading/writing of the data
● Because DP slaves 611U can be assigned both to the NC and to the PLC, check system
302
Tab: Configuration
Table entry: PROFIBUS Partner, I/O address: <I/O address>
address range are not permitted by the PLC operating system.
and SFC 15.
of an axis, e.g.:
– Message frame type 102: 6 words for the set value or 10 words for the actual value
functions SFC 14 and SFC 15 when writing data to see whether the drive belongs to the
writing component. If this is not the case, the data access is denied.
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
Manual