6.2.5.3 Using the Modbus TCP Machine Adapter
The Modbus TCP Machine Adapter limits for each Field Agent platform are displayed in the following table.
Supported Configurations for Modbus TCP Machine Adapter
Update
MFA Max Configured and Published
EFA Max Configured and Published
Note All variables read from the Server by a Machine Adapter are published. Since Modbus TCP Server does not feature a
Subscription capability like that found in other automation protocols (such as OPC UA Server), the Modbus TCP Machine
Adapter will publish all variables configured to be read each update interval.