Modbus Master Agent

Overview

These blocks are used for UDS Agent of a given input.

• Read Holding Register

• Read Input Register

• Read Coil Register

• Write Single Register

• Custom Register

• Write Multiple Register

Read Holding Register

Properties

Name	Description
Number of Inputs	Number of Inputs to be added

Inputs and Outputs

Name	Description
In – Node Number	The slave ID or node number of the Modbus device..
In – Starting Address	The starting register address to begin reading from.
In – Quantity	The number of consecutive registers to read.
In – Data Type	The format of the data (e.g., INT16, UINT16, FLOAT32, etc.).
Out – Output	The retrieved register values as per the requested data type.

Read Input Register

Properties

Name	Description
Number of Inputs	Number of Inputs to be added

Inputs and Outputs

Name	Description
In – Node Number	The slave ID or node number of the Modbus device..
In – Starting Address	The starting register address to begin reading from.
In – Quantity	The number of consecutive registers to read.
In – Data Type	The format of the data (e.g., INT16, UINT16, FLOAT32, etc.).
Out – Output	The retrieved register values as per the requested data type.

Read Coil Register

Properties

Name	Description
Number of Inputs	Number of Inputs to be added

Inputs and Outputs

Name	Description
In – Node Number	The slave ID or node number of the Modbus device..
In – Starting Address	The starting register address to begin reading from.
In – Quantity	The number of consecutive registers to read.
In – Data Type	The format of the data (e.g., INT16, UINT16, FLOAT32, etc.).
Out – Output	The retrieved register values as per the requested data type.

Write Single Register

Properties

Name	Description
Number of Inputs	Number of Inputs to be added

Inputs and Outputs

Name	Description
In – Node Number	The slave ID or node number of the Modbus device..
In – Starting Address	The starting register address to begin Write from.
In – Quantity	The number of consecutive registers to write.
In – Function Code	The subfunction of the service.
In – Data Type	The format of the data (e.g., INT16, UINT16, FLOAT32, etc.).
Out – Output	The retrieved register values as per the requested data type.

Custom Register

Properties

Name	Description
Number of Inputs	Number of Inputs to be added

Inputs and Outputs

Name	Description
In – Starting Address	The starting register address to begin Write from.
In – Function Code	The subfunction of the service.
In – Quantity	The number of consecutive registers to write.
In – Protocol Identifier	The Protocol Identifier of the Modbus device..
In – Node Number	The slave ID or node number of the Modbus device..
Out – Output	The retrieved register values as per the requested data type.

Write Multiple Register

Properties

Name	Description
Number of Inputs	Number of Inputs to be added

Inputs and Outputs

In – Node Number	The slave ID or node number of the Modbus device..
In – Starting Address	The starting register address to begin Write from.
In – Quantity	The number of consecutive registers to read.
In – Write Value	The subfunction of the service.
In – Function Code	The subfunction of the service.
In – Data Type	The format of the data (e.g., INT16, UINT16, FLOAT32, etc.).
Out – Output	The retrieved register values as per the requested data type.