Functions
5.11 Operation in fieldbus systems
CU240S and CU240E Control Units, FW 3.2
Operating Instructions, 03/2009, A5E02440075B AA
193
Figure 5-40 Function block for reading parameters
You first have to define how many parameters (MB62), which parameter numbers (MW50,
MW52, etc.), and how many parameter indices (MW58, MB59, etc.) are read for each
parameter number. The specifications are saved in DB1.
SFC 58 copies the specifications for the parameters to be read from DB1 and sends them to
the inverter as a read request. No other read requests are permitted while this one is being
processed.
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