CP1E AD041

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Olá Amigos, Once again I'm here to ask for help. I'm working with a analog input expansion unit for CP1E (AD041) and i'm having trouble. I've connected the Ad041 but I didn't have any success trying to read its signal. I did everything the manual said but it didn't work. Does anyone have worked with AD041? Thanks

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Neve rmind. I found the problem. I shoud write in the second word as well even so I am not using it. Thanks Anyway