Commissioning
4.3 Connecting the inverter to the fieldbus
CU230P-2 Control Units
40 Compact Operating Instructions, 01/2017, A5E38815802B AA
Connecting the inverter to the fieldbus
Where can I find instructions for the fieldbus connection of the inverter?
Instructions for connecting to a fieldbus can be downloaded from the Internet:
● Application examples (http://support.automation.siemens.com/WW/view/en/60733299)
● Operating Instructions: CU230P-2 operating instructions
(https://support.industry.siemens.com/cs/ww/en/view/109478827)
● "Fieldbuses" function manual: Manuals for the Control Unit
(http://support.automation.siemens.com/WW/view/en/30563628/133300)
Description files for fieldbuses
The description files are electronic device data sheets which contain all the required
information of a higher-level controller. You can configure and operate the inverter on a
fieldbus with the appropriate description file.
Generic Station Description for PROFIBUS: GSD
(http://support.automation.siemens.com/WW/view/en/23450835)
GSD Markup Language for PROFINET: GSDML
(http://support.automation.siemens.com/WW/view/en/26641490)
Ethernet/IP: EDS (http://support.automation.siemens.com/WW/view/en/78026217)
BACnet MS/TP: PICS (http://www.big-
eu.org/uploads/tx_teproddb/catalog_pdf/PICS_CU230P-2_HVAC_v46_HF.docx)
Alternative for the download for GSD and GSDML
GSD and GSDML are saved in the inverter. If you insert a memory card in the inverter and
set p0804 = 12, then the inverter writes the GSD or the GSDML to the memory card. You
can then transfer the file to your programming device or PC using the memory card.
PROFINET and PROFIBUS
Examples for telegrams via PROFIBUS and PROFINET
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