samJones Posted December 23, 2021 Report Share Posted December 23, 2021 Hi all, A very general enquiry: I'm interested in using a Unistream PLC (I have a US5-B10-T24 available) as a backup to log data from a SDI-12 sensor network (in this case soil moisture sensors buried somewhere deep in the Amazon ). I guess the most direct solution should be to use a RS232/USB to SDI-12 converter and then handle the requests and responses with message composer. If anyone has any experience or thoughts to share as to whether this will work or recommendations for compatible converters, they would be most welcome and appreciated! Thanks & all the best, Sam Quote Link to comment Share on other sites More sharing options...
MVP 2021 Joe Tauser Posted December 23, 2021 MVP 2021 Report Share Posted December 23, 2021 I took a quick look at the SDI-12 protocol and it's very well documented. So, yes, it will work. I'd stick with RS232 on the Unitronics side as it's more predictable. It looks like there are quite a few RS232 to SDI-12 converters out there. My rule of thumb on a converter for a customer application is get one that's from a company you've heard of before that has a real tech support staff and a phone number. Joe T. Quote Link to comment Share on other sites More sharing options...
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