Manual addressing works fine. I would not recommend using this processor for many reasons (none really to do with Ignition). But if you find yourself needing to work with one it is possible. I read several places that the tags can be read with one of the micrologix/contrologix/logix drivers, but I tried them all and none of them get anything from the PLC. I ended up using the ModbusTCP driver. Then addressing directly in the tags, and not with the addressing in the driver itself. For example, I named the driver wastewaterSump and then to read a tag I used [wastewaterSump]C000018 to read discrete input/output 18. The PLC uses the six digit addressing and not five digits. Discrete i/o was pretty straightforward, you just put them into the modbus mapping table and number them 000001, 000002… and then you read them with ignition with C000001… The analog values were a bit more confusing. In the PLC I addressed the first few as 400001, 400003, 400005… and then tried to read them with ignition using many different formats trying to read [wastewaterSump]HRF000001. I tried HR, HRF, C, V…it was getting frustrating when I decided to try and read the second word of the tag and discovered that they work when addressing to the second word. So you set up in the PLC with the first of the two words and then read in Ignition from the second of the two. [wastewaterSump]HRF000002. Fortunately I did not need to read many tags, and once they were setup it seems quite responsive, but I really hate the PLC software for this processor and I will do my darndest to avoid using it again on another project.