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Greetings all. First round setting up a RTD and, after reviewing forum posts here, I believe I am more confused than before... but likely an easy answer for most around here as I'm much more of a software guy. Our setup: V700 Model with an RTD going to a IO-ATC8. I do not have the RTD model# on me at the moment (typing this after hours but can provide tomorrow) but I know that the RTD contains a Prosense XTH-0300F-PT1 transmitter (0-300 degree F even though the RTD itself is capable of a much larger but unneeded range) I understand that the IO-ATC8 is 14bit. The confusion: I've seen forum posts where the linearization block references the "resolution @ 4-20mA" stated by the RTD/transmitter (I cannot locate this on the spec sheet for the model listed above, or maybe it's called something other than "resolution" but means the same thing?). I've also seen where the linearization is based off the 14bit module (3277 - 16383) - which is in line with what we did with level sensors... aaaand I've seen where, in other cases, an RTD does not require additional linearization (other than dividing by 10, but I assume this is for 10bit setups?). Any advice would be appreciated with a layman's outline of rationale. Cheers!
Hi, I've got a V130-35-TA24 that is currently using 2 PT100 inputs, 2 Analogs, 5 digital inputs. This currently uses every terminal on the input side. My application may need an additional input, can Jumper 11, be set to be a digital input instead of being the PT100 common, and create a PT100 common by some other means? We've tried connecting the common to the 0V terminal with no luck. Is this possible or can that terminal only be used as the PT100 common when using PT100's? -cat