Intro Summary
Compact 4.3″ industrial HMI with 480×272 resistive touchscreen, 600 MHz Cortex-A8 CPU, RS‑232/422/485, USB for programming.
Product Overview
The SA‑043F from Samkoon is a 4.3-inch, 16:9 resistive-touch HMI panel featuring a 32‑bit Cortex‑A8 600 MHz processor, 128 MB Flash, and 128 MB DDR2 memory. It supports RS-232/422/485 COM communication and a USB‑A port for project upload/download. Designed for industrial automation dashboards, the front offers IP65 protection. It drops Ethernet and USB‑B, focusing on compactness and efficiency .

How to Use
• Mount panel in a standard control cabinet, using a 132 × 80 mm cut-out.
• Supply with 24 V DC power (±15%), consuming ~3 W.
• Use the resistive touch interface with stylus or gloved hands.
• Connect RS‑232/422/485 to PLC or serial devices, choose protocol (e.g., Modbus RTU).
• Use USB-A port and SamDraw/SATool software on a PC to upload HMI screens via USB cable.
• Ground housing correctly against electrical noise; panel supports industrial EMI/ESD standards.
Frequently Asked Questions (FAQ)
- What resolution is SA-043F? – 480×272 pixels on a 4.3″ screen .
- What ports are included? – RS‑232/422/485 COM and USB‑A for programming .
- Does it include Ethernet? – No built-in Ethernet on SA‑043F.
- What’s the storage and RAM? – 128 MB Flash and 128 MB DDR2 memory .
- What touch type is used? – Four-wire resistive touchscreen.
- Operating systems supported? – Compatible with Windows XP–10 via SamDraw/SATool .
- Front protection rating? – IP65 (dust tight, front water-resistant) .
- What supply voltage is required? – 24 V DC (±15%), ~3 W consumption .
- What are operating temperature/humidity ranges? – −20 to +65 °C; 10–90 % RH, non-condensing .
- Certifications? – CE, FCC Class A; EMI/ESD tested .
User Review Summary
Products on marketplaces like eBay and FastToBuy are described as “new in box” replacements for SA‑4.3A. Users note solid build quality and stable screen response. One listing highlights CE/FCC compliance and industrial-grade durability .
Comparison with Competing Products
• Weinview TK6071iQ (4.3″) – Similar resolution but adds Ethernet and USB host; better for networked systems.
• Samkoon SA-035F (3.5″) – Slightly smaller, same hardware platform—more compact but less display area.
• Samkoon SK-043HE (4.3″) – Higher-end sibling with Ethernet, larger software support via SamDraw 5.0 .
Technical Specifications
Display: 4.3″ TFT, 480×272 pixels (16:9)
Touchscreen: Resistive 4-wire
CPU: 32‑bit Cortex‑A8, 600 MHz
Memory: 128 MB Flash + 128 MB DDR2
Ports: COM (RS-232/422/485), USB‑A (programming)
Power: 24 V DC ±15%, ~3 W
Dimensions: 138×86×38 mm; cut-out 132×80 mm
Weight: ~0.2 kg
Environmental: −20–65 °C, 10–90 % RH, IP65 front
Certifications: CE, FCC; EMI/ESD tested
Build: ABS+PC housing
EMI/ESD: ±6 kV ESD; meets EN55022/EN55024
Brand or Manufacturer Info
Shenzhen Samkoon Technology Corporation is a Chinese HMI specialist offering industrial touchscreen panels. Known for feature-rich yet affordable units that support multi-brand PLC systems and come backed by a one-year warranty .
Purchase Recommendations
Amazon: Samkoon SA-043F HMI Touch Screen 4.3″
Samkoon: https://www.samkoon.store/sa-043f/
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