Communication Signal for Rapid Shutdown SunSpec Interoperability Specification – SunSpec Alliance

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.

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