digital I/O module / serial / remote / rugged
Remote I/O Module
Suitable for use in utility substations or industrial control and automation systems, the SEL-2515 Remote I/O Module provides an easy way to expand inputs and outputs for SEL communications processors. They are far more reliable than remote terminal unit (RTU)-based systems and offer more functionality. You'll receive protection settings management, power report management, high-speed local logic, and direct engineering access.