Mitsubishi Melsec register block

Help Contents

Introduction

The Mitsubishi Melsec register block Register Block Tag Icon specifies a region of Mitsubishi Melsec PLC memory and how often to read the data from the PLC.

Configuration Properties

The Mitsubishi Melsec register block supports the configuration properties of the Word Register Block Tag plus these properties:

Property Type Version Description
ScanInterval TIME 1.1 The interval between each read. See Interval and Offset for information on how timed activities are scheduled.
ScanOffset TIME 1.1 The offset added to the ScanInterval to get the actual read time. See Interval and Offset for information on how timed activities are scheduled.
Device Reference 1.1 The Mitsubishi Melsec PLC Tag where the register block is located.
Address STRING 1.1 The address of the first word of the register block. See Mitsubishi Melsec PLC Data Address Format for information on how this field is formatted. Click the Browse button Browse button to access the data address editor.
WordCount UINT 1.1 The number of words to read.

Tag Commands

The Mitsubishi Melsec register block supports these tag commands:

Tag Command Version Description
Refresh 1.1 Requests an immediate read of the data from the PLC.

Note: Event triggered data reads (from the Refresh tag command) and periodic data reads (defined by the ScanInterval property) are independent. You can use the Refresh tag command, or the ScanInterval property, or both to determine when the data is read from the PLC.

Relationships to Other Tag Types

The Mitsubishi Melsec Register Block Tag builds on the features of these tag types:

Further Information

Interval and Offset

To learn how activities are scheduled using Interval and Offset.

Mitsubishi Melsec PLC Data Address Format

To learn about how to specify a data location in a Mitsubishi Melsec PLC.

IO Analog Data Tag

To learn about the IO Analog Data Tag that can be associated with the Mitsubishi Melsec Register Block Tag.

IO Digital Data Tag

To learn about the IO Digital Data Tag that can be associated with the Mitsubishi Melsec Register Block Tag.

IO Word Data Tag

To learn about the IO Word Data Tag that can be associated with the Mitsubishi Melsec Register Block Tag.

IO Double Word Data Tag

To learn about the IO Double Word Data Tag that can be associated with the Mitsubishi Melsec Register Block Tag.

Mitsubishi Melsec Driver

For an overview of the Mitsubishi Melsec Driver.

Word Register Block Tag

To learn about properties common to all Word Register Block Tags.

Glossary

For the meaning of terms used in Fernhill SCADA.