### Settings of External Device

You need the DIP switch settings and the ladder program for the setting of External Device.

##### Switch Settings

Mode Setting Switch

Settings | Setup Items
--- | ---
0 | On-line

Communication Condition Setting Switch

DIP Switch | Settings | Setup Items
--- | --- | ---
SW1 | OFF | Selection of line processing at TCP timeout error
SW2 | OFF | Data Code Setting
SW3 | OFF | Operate along Y19
SW4 | OFF | Disable (Fixed to OFF)
SW5 | OFF | Disable (Fixed to OFF)
SW6 | OFF | Disable (Fixed to OFF)
SW7 | ON | CPU Communication Timing Settings
SW8 | OFF | Initial Timing Settings

##### Example of Ladder Program

Example when you communicate with the auto open UDP port No. (Default: 5000) is shown below.

- IP address of External Device : 192.168.0.1

- Port No. of External Device : 5000

NOTE

- You do not need to specify the IP address and the port No. on the PLC for communication with this function.

Above sample is the minimum ladder to enable UDP communication with Display. Please refer to the manual of External Device for more information about error processing and TCP communication, etc.