Communication Signal for Rapid Shutdown SunSpec Interoperability Specification

Revision: 36
Date: August 27, 2019

Abstract. This document defines a multi-vendor, multi-device (e.g. inverter, module, string combiner) communication interoperability specification to support NEC 2014, NEC 2017 and UL 1741 module-level rapid shutdown requirements. The intended audience for this document includes hardware and software designers as well as implementers of communication systems

Update to Version 36. Addresses applications of the receiver in devices that are not PV modules and to reference the UL 3741 standard.

Note: Click here for statement on SunSpec Rapid Shutdown IP status.

Subscribe

Recent Posts

Latest news from our blog

Software Engineer

Job Title: Software Engineer - San Jose, CA   SunSpec Alliance is seeking to hire a Software Engineer for a full-time position (40 hours/week)  to work at our San Jose, CA headquarters at competitive salary.   Job duties include: Working on a web service called...

September 2021 message from sunspec leadership

Dear SunSpec Members, Addressing new interconnection requirements--including those for advanced inverter electrical functions and corresponding data communication interfaces--is a recurring theme for SunSpec and its members. While some requirements are local, and...

Get Ready for the Countdown to UL 1741 Certification

The Deadline is Approaching!   Smart inverters are becoming a key component for ensuring a safe and reliable energy grid in the U.S. and states such as California, Hawaii, New York, and Pennsylvania are mobilizing to adopt IEEE 1547-2018, the national grid...

SunSpec Alliance is the information standards and certification organization for the Distributed Energy Resource (DER) industry. SunSpec communication standards address operational requirements of solar and energy storage on the smart grid.