How can I know the IOSCANNING status of Modbus/TCP device writing ?
Issue
How can I know the IOSCANNING status of Modbus/TCP device writing ?
Product line Envirovment
Control Expert
Environment
Windows 10 64 bits ,Windows Server 2019 64 bits
Resolution
The freshness bit of IOSCANNING will be created when a READ command is included in Modbus DTM .
User may add a dummy read along with the writing command to generate a freshness bit to monitor the IOSCANNING status.
The Modbus device variable without READ command
The Modbus device variable with READ command
How can I know the IOSCANNING status of Modbus/TCP device writing ?
Product line Envirovment
Control Expert
Environment
Windows 10 64 bits ,Windows Server 2019 64 bits
Resolution
The freshness bit of IOSCANNING will be created when a READ command is included in Modbus DTM .
User may add a dummy read along with the writing command to generate a freshness bit to monitor the IOSCANNING status.
The Modbus device variable without READ command
The Modbus device variable with READ command
Publié pour: Schneider Electric Belgium
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