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Luka

ModbusSlave.ACD

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Hi everyone, I want to connect Allen Bradley 1756-L63 cpu (slave) via RS-232 port to ABB CI-853 (I don't have Prosoft MVI-56-MCM that can easily solve my situation). The only way that I found is application ModbusSlave.ACD (cig-ap129_-en-p.pdf). Do I need AIC+ converter (1761-NET-AIC) or can I connect with cable (DB9-to-RJ45)? Is there another way to make this connection? Regards, Luka

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I strongly prefer the Prosoft modules, but if you have enough memory available and are willing to go through the effort, the ModbusSlave.ACD file will work. Is the CI-853 an RS-232 device or an RS-485 device ? How far is it between the two devices ? I am not familiar with the ABB CI-853, but a brief Google search suggests it's an RS-232 device. You don't need the RS-232/485 converter in that case, just an appropriately fabricated cable. You will have to determine the pinouts of both devices to know for sure how to connect them.

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One other option that comes to mind if you happen to need an HMI on your project is to use a Red Lion G3 touch screen. I've posted many times about them being an excellent "universal" translator. They make bridging between protocols easy http://www.redlion.net/Products/HumanMachineInterface/ProductFamilies/G3Panels.html

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