Parameters Parameter Specification Product Range Magelis TM170 Series Device Type Portable Compact Operator Terminal Commercial Reference TM171ACB4ORS485 Display Type 4.3-inch STN monochrome LCD Display Resolution 272 x 480 pixels Touch Screen Resistive analog touch screen Communication Port 1 x RS-485 port (Isolated). Typically supports Modbus RTU Slave protocol. Additional Interface 1 x Mini-USB port (for programming and configuration). Processor Dedicated RISC processor Memory User application memory (typically in the range of a few hundred KB, specified by firmware). Backlight CCFL (Cold Cathode Fluorescent Lamp) backlight. Life expectancy typically 50,000 hours. Keys May include physical function keys in addition to touch screen (please verify based on exact model image). Power Supply 24 V DC (±15%) Power Consumption Typically 5-7 W Protection Rating Front panel: IP65 (when properly mounted). Rear: IP20. Mounting Panel mounting (cutout required) or optional handheld/desktop stand. Operating Temperature 0°C to +50°C Storage Temperature -20°C to +70°C Relative Humidity 10% to 90% (non-condensing) Dimensions (W x H x D) Approx. 140 mm x 110 mm x 35 mm (body only, excluding mounting flange). Certifications CE, UL, cUL, RoHS compliant.