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1. Connection Configuration
2. Communication Settings
3. Supported Device

When using this driver, refer to a list for the Memory Link Command.

## Connection Configuration

- 1:1 Connection
- 1:n Connection

- n:1 Connection
  UDP connection: Maximum number of External Device are no definition.
  TCP connection: Maximum number of External Device are 16.

- n:m Connection
  UDP connection: Maximum number of Display and External Device are no definition.
  TCP connection: Maximum number of Display and External Device are 16 per one Display.

NOTE

- When connecting UDP, the greater the number of units connected, the greater the communication load increases.

- There is the case in which the Display can not receive all commands, when simultaneously, the command is transmitted from multiple External Device in the UDP connection. Please process the retry in the External Device side.

- Connection can be defined with an IP address or port number.
  When defining the connection, the maximum number of UDP connection units is 32 and that for TCP is 16.

## Communication Settings

Examples of communication settings of the Display and the External Device, recommended by Pro-face, are shown.

WARNING

UNINTENDED EQUIPMENT OPERATION

Read and understand the instructions in this section to ensure data is properly transferred.

## Supported Device

Range of supported device address is shown in the table below. Please note that the actually supported range of the devices varies depending on the External Device to be used. Please check the actual range in the manual of your External Device.

WARNING

UNINTENDED EQUIPMENT OPERATION

- Do not simultaneously write to the same register from Display and External Device program.
- Do not write 16-bit word values to registers being accessed in a bitwise manner.