The Delta DOP-103BQ is a compact 4.3-inch color touchscreen Human Machine Interface from the DOP-100 series designed for industrial automation control and monitoring applications. It features a TFT LCD display with 480×272 pixel resolution and 65,536 color depth, powered by an ARM Cortex-A8 processor running at 800 MHz. The unit provides dual serial communication ports supporting RS-232, RS-485, and RS-422 protocols, along with USB host and client connectivity for programming and data transfer. With IP65 front panel protection and fanless natural air circulation cooling, the DOP-103BQ is suitable for space-constrained panel mounting in industrial environments. It operates on 24V DC power and is programmed using Delta's DOPSoft software. The device is certified to CE and UL standards and is ideal for OEM control panels, basic monitoring systems, and compact machinery interfaces. Item Details Brand Name: Delta Manufacturer: Delta Electronics, Inc. Item Type Name: Human Machine Interface (HMI) Touchscreen Product Family / Series: DOP-100 Series Model Number: DOP-103BQ Product Specifications display_size: 4.3 inches display_type: TFT LCD resolution: 480 x 272 pixels color_depth: 65,536 colors (16-bit) display_area: 95.04 x 53.856 mm brightness: 400 cd/m² (Typ.) backlight_type: LED backlight backlight_half_life: >20,000 hours at 25°C processor: ARM Cortex-A8 800 MHz ram: 256 MB rom: 256 MB touchscreen_durability: >1,000,000 presses communication_ports: 2 COM ports (COM1 + 1 extension) com1_protocols: RS-232, RS-485, RS-422 (selectable modes) usb_host: 1 port (USB 2.0, Type A) usb_slave: 1 port (USB 2.0, Type B) real_time_clock: Built-in with CR2032 backup battery (approx. 3 years at 25°C) audio_output: Buzzer (2 kHz – 4 kHz, 80 dB) power_supply: 24V DC (-15% to +15%) power_consumption: 5.67 W max operating_temperature: 0°C to 50°C storage_temperature: -20°C to 60°C front_panel_protection: IP65 / NEMA4 / UL Type 4X (indoor use) rear_protection: IP20 cooling_method: Natural air circulation (fanless) maximum_panel_thickness: 5 mm programming_software: DOPSoft Additional Details Certifications / Approvals: CE, UL Ethernet Port: Not included (BQ model) Sd Card Slot: Not included (BQ model) Mounting Type: Panel mount Measurements Weight: 280 g