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What is the maximum number of %M (bits) that a READ_VAR and Write_VAR can have in one Modbus message?

Title
M340 READ_VAR message
 
Issue
M340 Modbus message limit
 
Product Line
M340 PLC
 
Environment
Unity Pro
 
Cause
N/A
 
Resolution
The maximum number of %M (bits) that can be assigned to a READ_VAR's or Write_VAR's NB pin is 2000 bits.
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