Omron NB3Q-TW00B Touch Screen HMI

The NB3Q-TW00B is a compact, cost-effective touch screen HMI from the Omron NB series, featuring a 3.5-inch QVGA display with vibrant TFT color rendering and 65536 colors. Designed for basic control and monitoring applications, it supports RS-232, RS-422, and RS-485 serial communication, providing seamless integration with Omron and third-party PLCs.

This model has been officially discontinued as of March 31, 2025, but remains an excellent reference for replacement compatibility or ongoing support needs.

Technical Specifications

Model: NB3Q-TW00B
Product Type: Touch Screen HMI
Display Size: 3.5 inches (diagonal)
Resolution: 320 × 240 pixels (QVGA)
Display Type: TFT color
Number of Display Colors: 65,536
Gray Scale Levels: 64
Touch Panel: Resistive, analog-type
Frame Color: Black

Electrical & Communication Specifications

• Power Supply Voltage: 24 VDC
• Power Consumption: Approx. 4.8 W max
• Communication Ports:
  • 1 × RS-232
  • 1 × RS-422
  • 1 × RS-485
• USB Ports: 2 (1 host, 1 device)
• Ethernet Port: None
• Supported Protocols: Omron Host Link, Modbus-RTU, ASCII, and third-party protocols

Mechanical Specifications

• Front Dimensions (W × H): 129.8 × 103.8 mm
• Panel Cutout (W × H): 119 × 93 mm
• Built-in Depth: 52.8 mm
• Mounting Type: Panel mounting
• Weight: 480 g
• Enclosure Type: Plastic housing with IP65-rated front panel

Environmental Conditions

• Operating Temperature: 0 to 50°C
• Storage Temperature: –20 to 60°C
• Operating Humidity: 10% to 90% RH (non-condensing)
• Vibration Resistance: IEC 60068-2-6 compliant
• Shock Resistance: IEC 60068-2-27 compliant
• Protection Rating: IP65 (front panel only, when mounted properly)

Standards & Compliance

• Certifications: CE, cULus, RoHS
• Standards Met: EN61010-2-201, EN61131-2
• Conformity: UC1

Key Features & Benefits

✅ Compact Size. 3.5″ QVGA screen for applications with limited panel space.

✅ Full Color TFT. 65K-color display provides sharp graphics and clarity.

✅ Serial Communication Ready. Includes RS-232, RS-422, and RS-485 ports.

✅ IP65 Front Protection. Ideal for environments requiring sealed operator interfaces.

✅ Flexible Connectivity. USB ports for project transfer and peripheral devices.

📦 Product Discontinuation Notice

The Omron NB3Q-TW00B has reached its end of life as of March 31, 2025. While it is no longer in production, our team can help you identify suitable replacement HMIs or assist with transitioning to the current Omron NA or NB7/10 series.

Contact our team today for upgrade recommendations and availability of compatible units.

Reliable interface. Trusted performance. Omron legacy. – Drive Outlet Megastore