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PaulKim1003

Modicon CTY2A and CTY4A, are these controllers?

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Hello, I am new-bie for using Modicon. this is what we have and i was wonderting if these are controllers. if they are, why do we have 2 of them? I am trying to get PLC program for back up. Can someone help me out? Thanks for reading

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Hi, CTY2A and CTY4A are fast counting modules, there's no program inside, everything is in the plc. JC

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in the picture, PSY2600 is the power supply right? where can i get the plc program for backup? I am sorry I dont know anything about modicon. Thanks

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Yes this is the power supply. If it's the only rack you got, processor is missing. The processor looks like this one : JC Edited by acpi

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Then how is it running? does it mean i can not get the back up plc program???

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Morning, How many rack do you have ? the supply give power to the cards that's why they are lighted but that does not mean it's running. You should have a processor somewhere to be functionnal if not I don't understand how it could work. Do you have a computer on the machine ? cause Schneider had pc processor called "atrium" or PCX57 ("normal" processors are TSX57) : If you have a card like this, the program is inside, if you have neither processor in the rack nor in a pc, so I'm afraid you have no program at all... JC

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I see big cable on the left side of the power supply. May be it's only extended rack without plc and the plc is placed in main rack?

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