SEW-Eurodrive DFE24B EtherCAT - Control Example in Twincat with MOVITRAC B

44
Manual – Fieldbus Interface DFE24B EtherCAT®
6
Controlling the MOVITRAC
®
B frequency inverter (gateway)
Operating Behavior on EtherCAT
®
6.2.1 Control example in TwinCAT with MOVITRAC
®
B
Once the file SEW_DFE24B.xml has been copied to the TwinCAT subdirectory
"\IO\EtherCAT", you can use the function "Append box" in the "offline" mode to insert a
DFE24B gateway in the EtherCAT
®
structure (see following figure).
In "online" mode (i.e. when connected with the EtherCAT
®
line), you can use the symbol
"Find devices" to search the EtherCAT
®
line for connected MOVITRAC
®
units (see fol-
lowing figure).
It is not a good idea to create an NC axis for each DFE24B gateway that is found. In this
case, an axis would have to be created for every MOVITRAC
®
B inverter connected to
the DFE24B gateway. For simple fieldbus functionality, NC axes do not necessarily
have to be created for each device that is found.
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