ABB ACQ810 - Page 28

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Quickstart Guide
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ABB PLC and drives integration using Modbus RTU
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ModbusRTU‐28‐ PLCanddrivesintegration
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Double‐click“PLC_PRG”(1)toopenthemainprogram.Selectthedottedbox(2)inNetwork0001andinsertabox
(3).WritethenameofyournewProgram(Drive1(PRG)intheexample)tocallforitfromthemainprogram.
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Double‐click your new program and add a box as described above. This  time, press F2 while the block title is
selected and choose “ACS_COM_MOD_RTU”  from “Standard Function Blocks”, then click “OK”  (Tip: untick the
“Structured”boxintheInputassistant).
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Give the instance of the drive access block a suitable name (1) and declare the variable of type
“ACS_COM_MOD_RTU”(2)(automaticsuggestion).