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HMI Human Machine Interface Touch Panel NT20S-ST121-EV3
NT20S-ST121-EV3 is a professional-grade 5.7-inch HMI (Human Machine Interface) touch panel manufactured by Proface (Digital Electronics Corporation), distributed by Shenzhen Zhiyan Optoelectronics Co., Ltd., a trusted industrial display solution provider with over 10 years of experience in HMI panels, LCD displays, and industrial automation components. Our company specializes in industrial display solutions, HMI touch panels, and embedded display systems serving customers worldwide in manufacturing, automation, medical, and consumer electronics industries.
5.7-inch STN LCD display with 320x240 QVGA resolution
Analog resistive touch screen for reliable input in industrial environments
RS-232C and RS-422A dual communication interfaces
Compact and rugged design suitable for factory automation
Proface brand quality - industry-leading HMI reliability
100% factory tested, in-stock and ready for immediate shipment
| Parameter | Specification |
|---|---|
| Model | NT20S-ST121-EV3 |
| Display Size | 5.7 Inch |
| Display Type | STN LCD |
| Resolution | 320 x 240 (QVGA) |
| Touch Panel | Analog Resistive |
| Interface Type | RS-232C / RS-422A |
| Manufacturer | Proface (Digital Electronics Corporation) |
| Stock Status | In Stock (Ready for Shipment) |
| Quality Testing | 100% Tested OK Before Shipment |
| Shipping | Fast delivery via DHL / FedEx |
Industrial Automation: HMI panels, PLC display modules, SCADA systems, factory floor monitoring
Medical Equipment: Patient monitoring devices, diagnostic equipment displays
Automotive Electronics: In-vehicle infotainment, digital dashboard displays
Consumer Electronics: Smart home control panels, vending machine displays
Transportation: GPS navigation systems, fleet management displays
Retail & POS: Digital signage, self-service kiosks
Q1: What communication interfaces does the NT20S-ST121-EV3 support?
A: The NT20S-ST121-EV3 features RS-232C and RS-422A dual communication interfaces, providing stable, high-speed data transmission with excellent anti-noise performance for industrial environments.
Q2: Is this HMI touch panel in stock? How fast can it be shipped?
A: Yes, we maintain ample stock of the NT20S-ST121-EV3. Orders are typically shipped within 1-3 business days via DHL or FedEx to worldwide destinations.
Q3: What is the MOQ (Minimum Order Quantity)?
A: Our standard MOQ is 1 unit for sample orders. For bulk orders, please contact us for competitive pricing.
Q4: Do you provide technical support for integration?
A: Yes, Shenzhen Zhiyan Optoelectronics has a dedicated technical team with 10+ years of experience. We provide datasheets, connection guidelines, and technical consultation for Proface HMI panels.
Q5: What payment methods do you accept?
A: We accept T/T bank transfer, PayPal, and major credit cards. L/C available for bulk orders.
Q6: Is there a quality warranty?
A: All products undergo 100% testing before shipment. We offer a 12-month warranty against manufacturing defects.
Experience: 10+ years in industrial LCD display and HMI solutions
Quality: 100% pre-shipment testing, CE / RoHS compliant
Stock: Large inventory of Proface HMI panels, fast dispatch
Support: Professional technical team and responsive after-sales service
Shipping: Worldwide delivery via DHL, FedEx, UPS
