Mitsubishi Melsec Serial Configuration Walkthrough

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:

Creating a Folder to store the configuration created in the walkthrough
Creating a Mitsubishi Melsec Serial Channel
Creating a Mitsubishi Melsec PLC Tag linked to a Mitsubishi Melsec Serial Channel
Creating an I/O Digital tag linked to a Mitsubishi Melsec Register Block Tag

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 the root entry: localhost

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

Create a Mitsubishi Melsec Channel Tag

1. Right-click 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:

Property	Explanation
CommFormat	Frame format 1 is the most widely supported across 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 to edit the serial port mode using the Serial Port Mode Editor.
Port	Click the Browse button to choose the COM port the PLC is connected to. For example COM1.

Create a Mitsubishi Melsec PLC Tag

1. Right-click 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:

Property	Explanation
Channel	Click the 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 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.

Property	Explanation
AllowControls	Keep the default value of False.
IODataSource	Click the Browse button to open the browse dialog. Select the PLC Device Tag created earlier.
IOItemName	Enter Y0.

Further Information

Serial Communications

For background information on serial communications.

Glossary

For the meaning of terms used in Fernhill SCADA.