

The Delta DOP103BQ programmable touch screen HMI is a compact yet powerful operator panel designed for modern industrial automation. With a 4.3″ TFT LCD display offering 480×272 resolution, this HMI delivers crisp visuals and responsive touch control for monitoring and controlling machinery. The DOP103BQ supports diverse communication interfaces including RS-232, RS-485 (2-wire and 4-wire), and USB host/device ports, allowing easy connectivity to Delta PLCs, AC drives, temperature controllers, and third-party devices. Its 128 MB flash memory and 64 MB SDRAM provide ample space for complex projects, while the IP65 front panel ensures durability in wet or dusty environments. The DOP103BQ is ideal for applications such as packaging, material handling, HVAC, and process control, where reliable operator interface and fast data exchange are critical. Below is the detailed technical specification table for the DOP103BQ model:
| Parameter | Specification (DOP103BQ) |
|---|---|
| Display Type | 4.3″ TFT LCD (65536 colors) |
| Resolution | 480 × 272 pixels |
| Backlight | LED, 50,000 hours typical life |
| Touch Panel | Analog resistive (4-wire), 1 million touches |
| Processor | 32-bit RISC (ARM-based) |
| Flash Memory | 128 MB |
| SDRAM | 64 MB |
| Communication Ports | 1 x RS-232 (DB9), 1 x RS-485 (2-wire/4-wire via terminal block), 1 x USB Host (Type A), 1 x USB Device (Mini-B) |
| Ethernet | Not available on DOP103BQ (use DOP107 series for Ethernet models) |
| Protocol Support | Delta DVP, Modbus RTU/ASCII, Mitsubishi FX, Siemens S7-200, Omron Host Link, Allen-Bradley DF1, and more |
| Real-Time Clock | Yes (with battery backup) |
| Data Logging | Yes (CSV format, up to 16 MB) |
| Recipe Storage | Yes (up to 256 recipes) |
| Programming Software | DOPSoft (Windows-based, free download) |
| Screen Protection | IP65 (front panel only), IP20 (rear enclosure) |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -20°C to 60°C |
| Humidity | 10% to 90% RH (non-condensing) |
| Vibration Resistance | 10 to 25 Hz (2G), 25 to 100 Hz (1G) per IEC 60068-2-6 |
| Power Supply | 24 VDC ±10% (typical consumption 4.5 W) |
| Weight | Approx. 0.3 kg |
| Dimensions (W × H × D) | 128 × 102 × 39 mm (panel cutout: 119 × 93 mm) |
| Certifications | CE, UL, RoHS |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22