Mitsubishi Melsec Serial Configuration Walkthrough

Help Contents

Introduction

Before starting this walkthrough, you should read the help topics on the Configuration Tool, and Getting Started. These topics provide background information on using the Configuration Tool.

The walkthrough covers:

Create a Folder

1. Start Configuration Tool. Use one of the connection options on the Start Page to connect to Fernhill SCADA.

2. Select the Tag Window in the Configuration Tool.

3. In the Tags window, right click on the root entry: Database Icon localhost

4. Select Add new folder to create a new folder:

Tag View showing new folder

Create a Mitsubishi Melsec Channel Tag

1. Right click on Folder and select New Tag, followed by Mitsubishi Melsec, followed by Melsec serial channel.

2. Change the name of the channel to Channel:

Tag View showing Mitsubishi Melsec Serial Channel

3. In the Properties Window enter suitable values for Mitsubishi Melsec Serial Channel properties:

PropertyExplanation
CommFormatFrame format 1 is the most widely supported across all of the different PLC types. Keep the default of Format 1, unless you know a different frame format is being used.
Mode Click the Browse button Browse button to edit the serial port mode using the Serial Port Mode Editor.
Port Click the Browse button Browse button to choose the COM port the PLC is connected to. For example COM1.

Create a Mitsubishi Melsec PLC Tag

1. Right click on Folder and select New Tag, followed by Mitsubishi Melsec, followed by Mitsubishi Melsec device.

2. Change the name of the new tag to PLC:

Tag View showing Mitsubishi Melsec PLC Tag

3. In the Properties Window enter suitable values for the Mitsubishi Melsec PLC Tag properties:

PropertyExplanation
Channel Click the Browse button Browse button to open the browse dialog. Select the channel created earlier.
PCNumber For a direct connection between Fernhill SCADA and the PLC, keep the default of 255.
PLCType Choose FX, A-Series, or QnA or Q-Series.
StationNumber Enter the station number.

Note: Once the PLC tag is associated with the Channel tag, Fernhill SCADA will attempt to establish communications. You can monitor the status of the PLC tag in the Status Monitor Window.

Create an I/O Digital Tag

1. Right click on Folder and select New Tag, followed by Core, followed by I/O Digital Tag.

2. Change the name of the digital tag to DigitalOutput Y000:

Tag View showing Mitsubishi Melsec digital tag

3. In the Properties Window enter suitable values for the Mitsubishi Melsec digital tag properties.

PropertyExplanation
AllowControlsKeep the default value of False.
IODataSourceClick the Browse button Browse button to open the browse dialog. Select the PLC Device Tag created earlier.
IOItemNameEnter Y0.

Further Information

Serial Communications

For background information on serial communications.

Glossary

For the meaning of terms used in Fernhill SCADA.