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need help.v570 snap i/o and EX-D16A3-RO8 probleme

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i have a machine that work good few month with  v570 hmi and snap i/o module V200-18-E3XB and expansion EX-D16A3-RO8 module but now the machine was stoped 

i mean the i/o of expansion was work corectly but the snap i/o dont work propebly i mean in snap i/o module the analuge input and analoge output work put digital input and output dont work.

when i test input/output in info mode they work corectly but in application they dont 

i dont know what happer

 

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Sometimes the Snap-In modules can come loose or the contacts can wear in high vibration environments. Try removing the module carefully and replacing it firmly, making sure it's well-seated.

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