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What is the Maximum amount of consecutive bits/words the M340 Read_Var and Write_Var function can handle per operation?

Published date: 19 August 2019

Issue:
Read_Var and Write_Var function is throwing an error because I am trying to read too many consecutive words.

Product line:
Modicon M340 / M580

Environment:
Unity Pro
EcoStruxure Control Expert

Resolution:
The Modicon M340 PLC Read_Var and Write_Var function can read up to 2,000 consecutive bits or 125 words in a remote device per read operation..



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