Prepare projects for respective display units to be transferred. Create all the projects with the same version of GP-Pro EX, and use the same settings in the [System Settings] window, [Peripheral Settings] link's [Device/PLC].
Please refer to the Settings Guide for details.
7.7.3 System Settings - Extended Settings - Ethernet Multilink Settings
If the total communications traffic of the connected display unit exceeds the upper limit of the maximum constant communications traffic, the slave that has attempted connection will be refused access. In addition, if the upper limit is exceeded by the master display unit only, slave display units cannot be connected.
Create project date considering data traffic.
For the upper limit of data traffic and how to calculate it, refer to the following.7.5.2 Procedure - How to Calculate the Communication Traffic
From the System Settings, click [Display Unit] to display the following screen. Click the [Extended Settings] tab.
From [Ethernet Multilink Settings], select the [Enable Ethernet Multilink] check box. From [Action Mode], select Master or Slave display unit to transfer this project, and input the IP address of the master display unit in [Master IP Address].
When setting so that only the slave display units with a particular IP address can be connected, click [Filtering] and set from the [Filter Settings] dialog box.7.7.3 System Settings - Extended Settings - Ethernet Multilink Settings
Create screen data and transfer it to the display unit.