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 I would like to read and write the ladder of the connection device through display.

With GP-Pro EX, you can transmit the ladder software to the connection device through display by using the pass through function.
1. PC in which applications such as the ladder software have been installed
2. Connection Device to be set
3. Display to relay the serial connection
4. USB or Ethernet (UDP) connection
5. Driver of GP-Pro EX which corresponds to the connection device

The pass through function helps you with dispensing with work to connect the cables when you set the connection device.
* The number of the connection devices that the pass through function can transmit with is up to 4.
* A USB transfer cable (CA3-USBCB-01) is required for USB connection.

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