PXU PID controllers come in 1/16-, 1/8- and 1/4-DIN size models, and include optional RS485 communications. They're also programmable via front-panel pushbuttons and/or Crimson configuration software, have on-demand auto-tuning, and have universal inputs supporting thermocouple, RTD, 0 to 10 Vdc and 4-20 mA. They’re UL-listed to 61010-1.