---
title: "IEC 61511:2016 — Functional safety: Safety instrumented systems for the process industry sector — KYE Protocol™ coverage"
description: "IEC 61511:2016 — Functional safety: Safety instrumented systems for the process industry sector coverage by KYE Protocol™ — every requirement bijection-mapped to the KYE™ artefact that enforces it."
url: https://kyeprotocol.com/compliance/iec-61511/
lang: en
source: "KYE Protocol"
---

> IEC 61511:2016 — Functional safety: Safety instrumented systems for the process industry sector coverage by KYE Protocol™ — every requirement bijection-mapped to the KYE™ artefact that enforces it.

IEC 61511:2016 — Functional safety: Safety instrumented systems for the process industry sector

# IEC 61511:2016 — Functional safety: Safety instrumented systems for the process industry sector — 45% of in-scope requirements covered.

5 requirements · 5 in scope (4 designed · 1 advisory). The 45% is weighted over the in-scope base.

**Source:** IEC 61511:2016 Parts 1-3 — the process-sector application of IEC 61508 defining safety instrumented systems (SIS), the safety lifecycle for process plant, and proof-test / management requirements. KYE™ governs the authority, evidence and finality of an AI-recommended physical-safety action (turbine trip, unit shutdown, derate) against a SIL-validated model-authority claim and the §25 safety floor. Starter requirement set (Wave-Ralph-Industrial); deepen by graft. · **License:** IEC — standard text is copyrighted; KYE™ registry paraphrases each requirement's intent and cites the official clause identifier for mapping purposes only.

## By category

| Category | Reqs | Enforced | Designed | Advisory | Deferred | Coverage |
| --- | --- | --- | --- | --- | --- | --- |
| Clause 8 — Process hazard and risk assessment | 1 | 0 | 0 | 1 | 0 | **25%** |
| Clause 9 — Allocation of safety functions | 1 | 0 | 1 | 0 | 0 | **50%** |
| Clause 11 — SIS design and engineering | 2 | 0 | 2 | 0 | 0 | **50%** |
| Clause 16 — SIS operation and maintenance | 1 | 0 | 1 | 0 | 0 | **50%** |

## Every requirement → the KYE™ artefact that enforces it

| ID | Title | Status | KYE™ enforcement |
| --- | --- | --- | --- |
| `iec-61511.clause-8.2` | Process hazard and risk assessment informs the safety function | advisory | **dictionaries**: `internal` **constitution\_refs**: `constitution/25-EDGE-GOVERNANCE.md` |
| `iec-61511.clause-9.2` | Allocation of safety functions to protection layers | designed | **rule\_packs**: `kye:rule-pack:industrial-asset-integrity` **dictionaries**: `internal` **constitution\_refs**: `constitution/25-EDGE-GOVERNANCE.md` |
| `iec-61511.clause-11.3` | SIS design — required SIL and authority of the actuating decision | designed | **rule\_packs**: `kye:rule-pack:industrial-asset-integrity` **dictionaries**: `internal` **constitution\_refs**: `constitution/25-EDGE-GOVERNANCE.md` |
| `iec-61511.clause-11.9` | Contestable and reviewable SIS decisions | designed | **rule\_packs**: `kye:rule-pack:industrial-asset-integrity` **constitution\_refs**: `constitution/21-DELEGATED-AUDITABILITY.md` |
| `iec-61511.clause-16.2` | Operation, maintenance and named accountability | designed | **rule\_packs**: `kye:rule-pack:industrial-asset-integrity` **dictionaries**: `internal` **constitution\_refs**: `constitution/21-DELEGATED-AUDITABILITY.md` |

Canonical KYE™ surfaces referenced on this page: [KYE Protocol™](https://kyeprotocol.com/).