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
Released for: Schneider Electric Ireland
Need help?
Product Selector
Quickly and easily find the right products and accessories for your applications.
Where to buy?
Easily find the nearest Schneider Electric distributor in your location.
Help Centre
Search topic-related frequently asked questions to find answers you need.