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Mushu

How to add a DI/DO card in a FX2N

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Hi all, I am completly new with Mitsubishi PLC's. I have to do a small change in a FX2N-32MR-FS/UL and to add a new FX2N-32 ET-ESS/UL (16 DI/ 16 DO). When I go to PLC parameters, the I/O configuration button is disable, so I don't know how to insert my new card in the configuration. At the moment there are 3 cards (1xFX2N-32 ET-ESS/UL, 1x FX2N-8AD and 1x FX2N-4DA) but I cannot see them (well I cannot see the configuration at all). I can see the tags used in the programme with the address pointing the cards. I have several versions of the PLC code; but when I tryed to do Cross reference only one code worked; then I realised that this code was the one with more files. If I save this code into another folder only 3 files were copied, and then I cannot do the cross reference in them. Any idea???? Thank you in advance. Edited by Mushu

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You dont have to configure anything. Just plug it in and it automatically allocates it the next addresses. As for the cross reference problem, I have no idea. A GX Developer project has a bunch of subdirectories and files, and all are required to create a project.

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Thank you very much. So once I connect the card, would this cause any fault in the PLC? Once I go online to the PLC, should I see the new tags? Escuse me but I am completly lost.

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It's not easy to explain the way the i/o in used with special extension modules. See this manual, which may help: http://download.mitsubishi-automation.com/...submit=View+now If you are stuggling to find the start address for you extension unit just force Y10, Y20, Y30 etc. until a light comes on. Edited by Veganic

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Thank you very much. I don't have any Mitshubisi PLC to try here in the office, so I will try it when I go on site. Thanks again.

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