Enron Modbus Data Address Format

Help Contents

Introduction

In Enron Modbus Devices, data is stored different four different data tables depending on the intended use of the data:

The Enron Modbus Data Address is a text string that defines the location of data in an Enron Modbus Device. Fernhill SCADA uses the text string to locate items of data in the Enron Modbus Device.

Enron Modbus Data Address

Data Table Format Notes
Boolean 1nnn Bit values
Short Integers 3nnn 16-bit integer values
Long Integers 5nnn 32-bit integer values
Floating Point 7nnn Single precision floating point values

Where Used

The Enron Modbus Data Address is used in these contexts:

Data Address Editor

The Data Address Editor is a convenient tool to build an Enron Modbus Data Address.

To open the Data Address Editor, click the Browse button Browse button at the right side of the DataAddress property:

The Enron Modbus data address editor.

Further Information

Modbus Device Tag

To learn about Modbus Device Tags.

Modbus Register Block Tag

To learn about Modbus Register Block Tags.

Modbus Driver

For an overview of the Modbus Driver.

Glossary

For the meaning of terms used in Fernhill SCADA.