Product overview:- Remote I/O
The IS1+ remote I/O system by R. STAHL is a leading communication solution for hazardous and explosive environments. It allows installation without complex Ex d or Ex p enclosures, enabling modifications and expansions during operation, even in Zone 1 or Class I Division 1 areas.
The system is widely used in the process industry and is certified for Zones 1 & 2 and Class I Divisions 1 & 2, with global explosion-protection and marine certifications. It complies with major standards including ATEX, IEC, NEC, and CEC.
IS1+ supports multiple communication protocols such as PROFIBUS DP, Modbus (RTU/TCP), EtherNet/IP, and PROFINET, with full HART transparency for compatibility with HART field devices and asset management tools.
Its modular design includes multifunctional analog and digital I/O modules, operates reliably from −40 °C to +75 °C, and offers a service life of over 15 years. Built-in diagnostics provide early fault warnings, improving plant reliability. The system is fully backward compatible, simplifying upgrades, and comes with a three-year warranty.
