Welcome to Unitronics' Support Forum!
You are welcome to browse as our guest--or sign up to join the discussion. If you are new to Unitronics' award-winning All-in-One PLC + HMI programmable controllers and software, we invite you to visit our website.
1. Download the U90 software from this site.
2. If you don't have a communication cable, find your local Unitronics distributor and get an MJ10-22-CS25. Or order it online.
3. If your computer doesn't have a serial port, you'll need a USB to serial converter. Find one with the Prolific PL2303 chipset or get a Unitronics MJ10-22-CS35.