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Ethernet is a packet-based digital communication technology used for data transmission in local (LANs), industrial, and embedded networks. A widely adopted standard, it enables reliable, high-speed, and scalable connectivity between devices.

Ethernet is a packet-based digital communication technology used for data transmission in local (LANs), industrial, and embedded networks. A widely adopted standard, it enables reliable, high-speed, and scalable connectivity between devices.

In the industry, Ethernet is adopted both for automation, data acquisition, and real-time control, as well as for integration with larger systems like SCADA, MES and ERP.

🔧 Technical Characteristics of Ethernet

  • 🌐 Layers based on the OSI model (physical, data link, network…)
  • 🚀 Speeds: 10 Mbps, 100 Mbps (Fast Ethernet), 1 Gbps, 10 Gbps or higher
  • 🧭 Addressing: via MAC addresses and protocols like IP (IPv4/IPv6)
  • 🧱 Topologies: star, bus, or mixed with switches, hubs, and routers
  • 🔌 Cables: twisted pair (Cat5e, Cat6), optical fiber, or industrial shielded pair (STP)
  • 🔁 Full-duplex communication, with collision detection (CSMA/CD) in older networks
  • 📦 Common protocols: TCP/IP, UDP, HTTP, Modbus TCP, EtherNet/IP, Profinet, OPC UA

🧩 Industrial Applications of Ethernet

  • Integration of control systems, sensors, and actuators in real-time
  • Communication between PLCs, industrial PCs, HMIs, and test systems
  • Remote access to production data, dashboards, and reports
  • Transmission of commands and reading of measurements in distributed systems
  • Firmware updates, control via scripts, telemetry, and SCADA supervision
  • Connection of test instruments via LAN, PXI, VXI, virtual instruments

⚙️ Advantages of Using Ethernet in Industry

  • 🚀 High speed and reliability
  • 🌐 Universal connectivity and integration with IT
  • 🔗 Compatibility with industrial and IT protocols
  • 📈 Scalability for multiple devices and high density
  • 🧰 Easy diagnostics with standard tools (ping, sniffers, network logs)
  • 🧠 Support for time synchronization (IEEE 1588/PTP) in critical applications

🔧 How AJOLLY Testing Supports Your Project with Ethernet

AJOLLY Testing integrates Ethernet into test and automation systems for production, validation, and laboratory, with expertise in network protocols, instrumentation, and connectivity.

🖥️ Integration with Test Systems

  • Communication with LAN instruments (switches, power supplies, analyzers, meters)
  • Data exchange with distributed benches at different stations
  • Remote control of devices via Telnet, HTTP, Modbus TCP, REST API
  • Execution of automated tests with Ethernet communication in LabVIEW, TestStand, C#, Python

📊 Data Collection and Traceability

  • Acquisition of measurements via network with timestamp and synchronization
  • Logging of logs, alerts, and failures via TCP/UDP
  • Export to databases, dashboards, or FTP/SFTP servers
  • Automatic report generation with serial number, batch, and results

🧪 Functional and Firmware Testing

  • Validation of Ethernet responses, packets, custom commands
  • Tests of connectivity, latency, packet loss, timeout, and retransmission
  • Performance verification under network load or disturbances
  • Simulation of servers or clients to test embedded equipment

With AJOLLY Testing, the Ethernet interface becomes an integral part of reliable, scalable test systems ready for Industry 4.0 — whether in the lab, production, or field.