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BEST FAQ
Smart HMI More
Q.
How to View the Communication Manual
Product
A.
On page 2 of the communication manual, you will find a table listing the [PLC Series/CPU Name/Communication Card Name/Communication Method].
 
Find the row that matches the [PLC Series/CPU/Communication Card/Communication Method] connected to your TOP device.
 
The pages explaining the system settings (how to configure communication) and cable wiring diagrams for your selection are highlighted in blue.
You can click on the highlighted page number to jump directly to that section.
 
Steps:
First, refer to the [Cable Table] section to check the wiring diagram and connect the cables accordingly.
Next, follow the instructions in the [Communication Settings] section to configure the communication settings.
 
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Q.
[R Product] Where Can I Find the Communication Manual?
Product
A.

1. You can download it from the official website.
Go to [Service] - [Download] - [Manual/Design] - [Communication Data] and download the manual for each PLC model.
 
2. In the software, go to the [Project] - [Properties] menu.
Select the PLC name on the left, and the [Communication Manual] button will appear on the right.
Click this button to view the relevant communication manual.
 
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Q.
[R Product] How to Check if Communication Between TOP and PLC is Normal
Product
A.
You can verify whether communication between the TOP main unit and the PLC is functioning properly by using the [Communication Diagnosis] button on the TOP device.

Navigate to the menu screen on the R product.

Go to the [Control Panel] - [PLC] menu, where you will find the [Communication Diagnosis] button at the bottom.

If a [Communication Success] message pops up, it means the cable and communication settings are correct, and communication is functioning normally.
If an [Error] message appears, communication is not working properly. In this case, please check the cable and communication settings again.
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