Slave-To-Slave Communication; Acyclically Reading And Writing Inverter Parameters - Siemens Sinamics CU240D-2 DP Operating Instructions Manual

6.4.9

Slave-to-slave communication

Overview
"Direct data exchange" is sometimes called "slave-to-slave communication" or "data
exchange broadcast". With direct data exchange, slaves exchange data without any direct
involvement of the master.
Further information about the "Direct data exchange" function is provided in the Fieldbus
function manual.
6.4.10

Acyclically reading and writing inverter parameters

Overview
The inverter supports the writing and reading of parameters via acyclic communication:
● For PROFIBUS: Up to 240 bytes per write or read request via data set 47
● For PROFINET: Write or read requests via B02E hex and B02F hex
Further information about acyclic communication is provided in the Fieldbus function manual.
Application example, "Read and write to parameters"
Further information is provided on the Internet:
Converter with the control units CU240D-2
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
Overview of the manuals (Page 343)
Overview of the manuals (Page 343)
Application examples (https://support.industry.siemens.com/cs/ww/en/view/29157692)
Advanced commissioning
6.4 Drive control via PROFIBUS or PROFINET
131