Check the setting below.

Screen program settings

For V-SFT-6: [System Setting] > [Hardware Setting]

For V-SFT-5: [System Setting] > [Device Connection Setting]

• Select appropriate setting from [Select PLC Type]:

QnU series CPU with built-in LAN port: [QnU series (built-in Ethernet)]

Q series with an Ethernet unit: [QnH(Q) series (Ethernet)]

• [Device Connection Setting] > [PLC table] and specify PLC's IP addres and a port number

PLC settings

Built-in LAN port on the CPU

Set [PC parameter] in PLC programming software.

Ethernet unit

Set [Network parameters] in the PLC programming software.

Network parameters setting

Network type: Ethernet

Ethernet oprations

Set an IP address and other settings.

Port No. setting

There are two different ways to set a port number. [Automatic open UDP port] is used for communications in a case where any Ethernet unit is available (models available are not designated).
[Open setting] is used in a case where communications are conducted only with the unit connected via Ethernet.

• Automatic open UDP port
  The port number can be changed on the PLC programming software. 5000 (DEC) is set as default.

• Open setting
  [Network parameters setting] > [Open settings]
  
  

Wiring

1:1 connection w/o HUB

Use a cross cable.

1:1 connectoin w/ HUB or 1:n connection

Use straight cables.

PC's IP address

Follow the procedure below to set a computer IP address.
The procedure below is provided for Windows 7

Procedure

1. Go to [Start] > [Control Panel].
2. Click [Network and Sharing Center].
3. Click [Change adapter settings].
   
   
   
   
4. Select [Local Area Connection] and right click it to go to [Property] from the right-click menu.
   
   
5. Go to [Local Area Connection Properties] > [Internet Protocol Version 4 (TCP/IPv4)] and click [Properties].
   
   
   
   
   
6. Set the IP address. When necessary, also set [Subnet mask] and [Default gateway].
   
   
   
   

TELLUS4/TELLUS3 (Ethernet settings)

Local Port Setting

This port number is used for communicating with V-Server or other stations that use SEND/EREAD/EWRITE/MES macro commands.
  * This is not used for PLC communication.

• When own station information is registered in the Network Table in the screen program:
  Check [Use Network Table] to set the table number.
  *The IP address that is set in the Control Panel Setting on the PC is valid. 
  
  
• When own station information is not registered in the Network Table in the screen program:
  Specify inforamtion in this dialog.
  
  

PLC COM Port

This is for setting a port number to communicate with a PLC.

• [Specify Port No.] is checked:
  Specify a port number set in the [Device Connection Setting] > [Communication Setting] in the screen program.
  *When using an Ethernet unit and the port number is set by the Open setting on the PLC settings, this option must be ticked.
  
  
• [Specify Port No.] is not checked:
  Unused port number is automatically assigned.