LXI (LAN eXtensions for Instrumentation) is a communication standard for test and measurement instruments that leverages the power and ubiquity of standard Ethernet (LAN) technology. Managed by the LXI Consortium, it serves as a modern, high-speed alternative to the traditional GPIB (IEEE-488) interface. LXI-compliant instruments utilize standard Ethernet ports, allowing for seamless integration into existing network infrastructures. This standard offers significant benefits, including high-speed data transfer, long-distance remote control, and simplified cabling for both command and data signals. LXI goes beyond basic Ethernet connectivity by defining specific rules to ensure interoperability and enhanced usability.
Key features of LXI compliance include a mandatory built-in web server, which provides a standard interface for device identification and network configuration. Additionally, the standard supports mechanisms for precise timing and synchronization between instruments, such as LAN-based triggering and the IEEE 1588 Precision Time Protocol (PTP). By building on established technologies like Ethernet and TCP/IP, LXI provides a powerful, flexible, and cost-effective platform for developing modern test systems, ranging from simple benchtop setups to large-scale distributed Automated Test Equipment (ATE).
LXI Consortium Official Website (https://www.lxistandard.org/)
Matsusada Precision's LXI-compliant products:
Programmable DC Power Supply: REK/REKJ Series