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Howdy folks! My company is looking for a simple, low cost Modbus RTU remote IO module with digital in/out (1 ea), analog in/out (1 ea), and relay outputs (1-2), and I was hoping some of y'all would have recommendations. Simpler is better, i.e. we prefer jumper configuration over software configuration, and we're hoping to keep it under $200. Isolation is a plus, but not an absolute requirement, as is surge and ESD protection. Basically we need something that can live reliably in the field for 5-10 years. So far I've found:
http://www.datanab.com/controllers/datanab_mbus_io14_din.php
http://www.alibaba.com/product-deta...0265056638.html?spm=a2700.7724838.30.1.YKmOXW
Any experience with either of these, or other recommendations? Is the Alibaba route an ok choice? Thanks!
http://www.datanab.com/controllers/datanab_mbus_io14_din.php
http://www.alibaba.com/product-deta...0265056638.html?spm=a2700.7724838.30.1.YKmOXW
Any experience with either of these, or other recommendations? Is the Alibaba route an ok choice? Thanks!