Omron NB3Q-TW00B Compact HMI Touch Screen PLC Module

The Omron NB3Q-TW00B Compact HMI Touchscreen is a 3.5-inch operator interface designed for industrial automation that enables real-time PLC monitoring and control from a compact panel. As part of the NB Series, it uses a 3.5-inch TFT LCD with LED backlight and a resistive touch panel, delivering 320 × 240 pixel (QVGA) color display. It runs on 24 V DC power (20.4–27.6 V range) and provides 128 MB of onboard memory for application data. Communications include RS-232C, RS-422/485, and USB, supporting reliable connection to PLCs and programming tools. The front panel carries an IP65 protection rating, and the unit is built for panel mounting in tight spaces, with dimensions approximately 128.8 × 103.8 × 52.8 mm and an operating temperature range of 0°C to 50°C. It serves as an operator interface for PLC monitoring and control, suitable for packaging machines, conveyor systems, small production lines, and equipment control panels where a compact, clear visualization is needed. Common replacements listed for this model include NB3Q-TW01B, NB5Q-TW00B, and NB7W-TW00B.