Dear Everybody!
I search the best solution for the following problem.
I want to establish isolated communication between two devices. 2x 8 input and 8 output should be connected (one-way). First think the optocoupler, but it requires a lot of wires, and these devices are in a noisy, industry environment, so necessary the good interface, e.g. RS485. I was looking for any "target" IC, but could not find it.
I attached a picture from this situation.
Thank you in advance (and sorry for my english 
) !
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