171CBU9809x Unity Momentum PLC System Words %SW82 & %SW83 explained.
Issue
This resolution explains System Words %SW82 and %SW83 in a Unity Momentum PLC.
Product Line
171CBU98090
171CBU98091.
Resolution
The explanation of %SW82 and %SW83 in Unity Pro Help is incorrect. This is a Unity Help documentation issue.
Unity Pro V11 Help incorrectly states System Words %SW82 and %SW83 are used for Message Management in the M340, M580, Unity Momentum, Atrium, Premium, and Quantum ranges. Where,
%SW82 = Number of Modbus messages sent or received on serial port 1, updated at 1 second period.
%SW83 = Number of Modbus messages sent or received on serial port 2, updated at 1 second period.
The correct definition of System Words %SW82 and %SW83 are:
For the ranges M340, M580, and Unity Momentum, these system words are routing message counters.
For the Quantum product range, these system words contain serial port counters.
This resolution explains System Words %SW82 and %SW83 in a Unity Momentum PLC.
Product Line
171CBU98090
171CBU98091.
Resolution
The explanation of %SW82 and %SW83 in Unity Pro Help is incorrect. This is a Unity Help documentation issue.
Unity Pro V11 Help incorrectly states System Words %SW82 and %SW83 are used for Message Management in the M340, M580, Unity Momentum, Atrium, Premium, and Quantum ranges. Where,
%SW82 = Number of Modbus messages sent or received on serial port 1, updated at 1 second period.
%SW83 = Number of Modbus messages sent or received on serial port 2, updated at 1 second period.
The correct definition of System Words %SW82 and %SW83 are:
For the ranges M340, M580, and Unity Momentum, these system words are routing message counters.
For the Quantum product range, these system words contain serial port counters.
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