I'm working with JR on this project so I'm going to continue a line of questioning in this thread.
We will be using the I-7017 at more than 10ft away from the PLC, so we will need the pull up resistor set-up. For the RS485 line power I see we need 9V, and I believe that can be 5-9V. I have my F1616 Analog ports connected to a AN20MA-2, so I've given up my 5V voltage source from the analog port. I think my next best option is to purchase a transformer to power the I-7017. I will have three of these I-7017 multi-dropped at different locations.
---What is the current requirement of the pull-up resistor set-up?
For this set-up I will also need resistors. The resistance I need is shown on the diagram, but my local electronics parts store also asks what wattage the resistor needs to be. I've tried to figure this out, but related to the above question, I don't know what currents I'll be dealing with.
---What wattage resistors do I need, or should I just buy them all at 1W to be safe?
I followed the TRi manual for connecting to an I-7017 using the U-485 USB to RS485 to connect to the PLC. The directions in the TRi manual can't be followed because the I-7017 website has since been updated. I downloaded DCON Utility, but the utility window looks nothing like the sample image in the TRi manual. I was able to connect, but I wasn't able to change the ID of the I-7017.
---Will you please update the TRi manual for the I-7017. At the moment I'm most interested in how works with the F1616, but foresee needing to use it with an FMD88 or other PLC from TRi.
Thanks!