New Touch Screen DOP-A57BSTD
1. Display Specifications
Parameter Specification Notes
Display Type 5.7" FSTN LCD (Monochrome) FSTN (Film Compensated STN) for improved contrast
Color / Grayscale 8 or 16 shades of blue/white (灰阶蓝白) Also described as 8 gray-scale blue-white
Resolution 320 × 240 pixels (QVGA) Standard quarter-VGA resolution
Backlight CCFL (Cold Cathode Fluorescent Lamp) Lifespan: 50,000 hours
Display Area (Active) 118.2 × 89.4 mm
Touch Screen Type Analog Resistive 4-wire or 5-wire typical
2. Processor & Memory
Parameter Specification Notes
CPU 32-bit RISC Microprocessor 202.8 MHz (ARM9 core)
Flash Memory (Application) 3 Mbytes For user application storage
SRAM (System) 256 Kbytes Battery-backed for data retention
SDRAM (Data Temporary) 16 Mbytes
3. Communication Interfaces
Interface Type Notes
COM1 RS-232
COM2 RS-232 / RS-422 / RS-485 Configurable; allows simultaneous use of different protocols
USB USB 1.1 (Client) For high-speed program upload/download
Expansion Slot SMC Card (4~128 MB) For data backup, recipe storage, and firmware updates
Protocol Support Supports major PLC brands Delta, Siemens, Mitsubishi, Omron, Allen-Bradley, etc. via macro/comm macros
4. Electrical Specifications
Parameter Specification Notes
Operating Voltage 24 VDC (-10% ~ +20%) 24 VDC nominal (range approx. 21.6V ~ 28.8V)
Power Consumption < 7.2 W
Backup Battery 3V lithium battery (CR2032) Lifetime: 5 years; retains SRAM data and RTC
RTC (Real-Time Clock) Built-in With backup battery
Buzzer 85 dB
5. Physical Specifications
Parameter Specification Notes
Dimensions (W×H×D) 184.1 × 144.1 × 39 mm (7.25 × 5.67 × 1.54 in)
Panel Cutout (W×H) 172.4 × 132.4 mm (6.79 × 5.21 in)
Weight 650 g (approx.)
Front Bezel Color Silver / Gray
External Keys 4 function keys + 1 system key User-programmable function keys
6. Environmental Specifications
Parameter Specification Notes
Operating Temperature 0°C to +50°C (32°F to 122°F)
Storage Temperature -20°C to +60°C (-4°F to 140°F)
Operating Humidity 10% ~ 90% RH (non-condensing)
Protection Rating (Front) IP65 / NEMA4 Dust-tight and protected against water jets (when properly installed)
Cooling Method Natural air circulation Fanless operation
7. Certifications & Software
Parameter Specification Notes
Certifications UL, cUL, CE
Programming Software Delta Screen Editor Supports offline/online simulation, macro commands, recipe management, multi-language design
Language Support Up to 8 languages per project
8. Key Features & Benefits
Feature Benefit
Fast 202 MHz CPU Smooth screen transitions and fast macro execution
Dual Communication Ports Simultaneous connection to different devices/protocols
USB 1.1 Download Rapid program transfer compared to serial
SMC Card Support Easy recipe management, data logging, and field firmware updates
IP65 Front Panel Reliable operation in dusty, wet industrial environments
Macro & Communication Macros Enables complex calculations and custom protocol handling
Password Protection Multi-level security for project and system settings
9. Typical Applications
Industry Application Example
Machine Automation CNC machines, automatic presses, packaging machinery
HVAC Building automation and monitoring systems
Printing Industry Printing presses, exposure machines
Production Line Monitoring Real-time production status display and control
Process Control Small to medium process automation with recipe management
