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justwhy2003

How to ignore missing hardware during testing

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Hi Working with a Q26UDH CPU that is for a multi rack system with Ethernet comms to SCADA. At present I have the CPU back on my desk with the working existing configuration in the CPU. I would like to be able to test additional logic and comms to test version of the SCADA on my desk but the CPU doesn't seem to like that the configured IO cards are not actually there (CC Link masters, DI, DO, AI, AO). I have tried downloading a separate test program with only the Ethernet card configured (works fine) then downloading only the program section of the working program. This doesn't work, I keep getting error 3300 (IO of intelligent function module is different than configuration). I have also been looking at the section of the Parameter/IO Assignment/Detailed Setting and set all cards "PLC Operation mode at H/W error" to continue but this doesn't make a difference. Is there a setting that I can make to tell the PLC ignore the missing cards and execute the logic? I am using GX Works 2 (if it makes a difference the project I am using was converted from GX developer and converted to a structured project in the past). Thanks JT

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Go to the PLC parameter go to the PLC RAS tab. change the operating modes from STOP to continue. additionly you can also go to the IO assigment and set all the cards to empty

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Thanks Gambit I still had a fault 3300 (IO error) until I deleted the Intelligent modules from my project tree and then 3105 (link error) until I deleted my cc link configurations by making the number of modules = 0. Until this was done I couldn't put the CPU into run. At present my CPU is in run (even though there is an error present (4100 operation error). I should be able to make changes to my logic now and test then undo the above changes when I reinsert the CPU into the rack. Thanks again. JT

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