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# Navigate to '''Services → Modbus → Modbus TCP Client'''
# Navigate to '''Services → Modbus → Modbus TCP Client'''
# Click '''“Add”''' to add a new Modbus TCP Client [[File:Modbust TCP Client.png|border|class=tlt-border]]<br>
# Click '''“Add”''' to add a new Modbus TCP Client [[File:Modbust TCP Client.png|border|class=tlt-border]]<br>
# Enable the Modbus TCP Client Configuration and enter the '''“Name, Server ID, IP Address, Port”. Note: Server’s ID, IP Address and Port should be the same as configured in the client device.'''
# Enable the Modbus TCP Client Configuration and enter the '''“Name, Server ID, IP Address, Port”. Note: Server’s ID, IP Address and Port should be the same as configured in the client device.'''[[File:Modbus server config1.png|border|class=tlt-border]]<br>
[[File:Modbus server config1.png|thumb]]
# Click '''“Save”''' and the slave device will be added.
# Click '''“Save”''' and the slave device will be added.
To test whether the functionality is working, we can add a Modbus request to obtain data from the Modbus server. The client sends a request to a specifying the function code to be performed. Then the requested data is sent back to the Client. A maximum of 64 request configurations for each device can be created.
To test whether the functionality is working, we can add a Modbus request to obtain data from the Modbus server. The client sends a request to a specifying the function code to be performed. Then the requested data is sent back to the Client. A maximum of 64 request configurations for each device can be created.
# Click '''“Edit”''' button in client device’s configuration.
# Click '''“Edit”''' button in client device’s configuration.[[File:Modbus TCP devices.png|border|class=tlt-border]]<br>
# Type the name of the request followed by clicking the '''“Add”''' button in Requests Configuration section to create a new request.
# Type the name of the request followed by clicking the '''“Add”''' button in Requests Configuration section to create a new request.[[File:Request data.png|border|class=tlt-border]]<br>
# Specify the '''“data type, function, first register, number of registers”''' and ensure that the request is enabled.
# Specify the '''“data type, function, first register, number of registers”''' and ensure that the request is enabled.[[File:Request configuration.png|border|class=tlt-border]]<br>
# Click '''“Save & Apply”''' to save the changes.
# Click '''“Save & Apply”''' to save the changes.
# Click '''“Edit”''' button
# Click '''“Edit”''' button
# Select the request under '''“Request Configuration Testing”''' and click to '''“Test”'''.
# Select the request under '''“Request Configuration Testing”''' and click to '''“Test”'''.
# The server device will return the requested data.
# The server device will return the requested data.[[File:Requested Data.png|border|class=tlt-border]]<br>
==Generating TLS Certificate==
==Generating TLS Certificate==
# Navigate to '''System > Administration > Certificates'''.
# Navigate to '''System > Administration > Certificates'''.
# Click on “GENERATE”
# Click on “GENERATE”
# Navigate to the next tab CERTIFICATES MANAGER
# Navigate to the next tab CERTIFICATES MANAGER [[File:Generate Certificates.png|border|class=tlt-border]]<br>
# Download the highlighted certificates: ca.cert.pem, client.cert.pem, ca.key.pem and client.key.pem to your Windows 11 Computer for easy upload to the MQTT client.
# Download the highlighted certificates: ca.cert.pem, client.cert.pem, ca.key.pem and client.key.pem to your Windows 11 Computer for easy upload to the MQTT client.
