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

December 2021 Member News: Season’s Greetings & Happy Holidays

Dear SunSpec Member, While reflecting back on the year's past, it is clear that the SunSpec Alliance is fueled by an industry of dedicated, hard working individuals and organizations. From our work groups participants, to our webinar attendees, we are consistently...

Message to Our Members: October 2021

Dear SunSpec Member, At the core of the SunSpec Alliance ecosystem is a steady momentum of progress driven by the dedicated efforts of our seven primary Work Groups. Consisting of representatives from SunSpec member companies, a designated Work Group leader, and a...

2021 Annual SunSpec Alliance Member Meeting Video Recap

Watch the 2021 Annual SunSpec Alliance Member Meeting Video Recap on SunSpec TV As always, it was a pleasure to share the company of the SunSpec ecosystem at the year's Member Meeting. We are consistently humbled by the ongoing support of our members and are grateful...

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.