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IEC 61511:2016 (Process) — Gap Analysis

Functional Safety — Safety Instrumented Systems for the Process Industry
IEC 61511 2016 Edition All Gaps only
Compliant
Partial
Non-compliant
Not assessed

About IEC 61511:2016 (Process)

IEC 61511:2016 is the process-industry sector standard derived from IEC 61508. It is the SIS lifecycle standard for chemical, petroleum, refining, pharmaceutical, pulp & paper, food & beverage, and other process industries. In the US, ANSI/ISA 84.00.01 is the harmonised national adoption. It addresses Safety Instrumented Functions (SIFs), Safety Instrumented Systems (SIS) and the safety lifecycle from hazard identification through decommissioning.

Issuing Body

IEC TC65 / ISA-S84 (ANSI/ISA 84.00.01 equivalent in USA)

Edition

2016

Coverage

Application of safety instrumented systems for the process industry sector — design, integration, operation and maintenance of SIS to achieve required SIL.

Typical Users

Process industry operators (oil & gas, chemicals, refining, pharma), EPCs, SIS integrators, end-user safety teams.

How to use this tool

1. Work through each clause. For each requirement, choose Compliant, Partial, Non-compliant, or leave as Not assessed.

2. Add notes against any requirement to record evidence, gaps, or corrective actions.

3. Click Save progress — data is stored locally in your browser, never uploaded.

4. Export the report as TXT, CSV, JSON or print to PDF for your audit file.

Note: This tool is a guided self-assessment. It does not replace a third-party audit and the authoritative version of the standard must be obtained from the issuing body.

ISO Xpert — Get in touch

UK-based consultancy specialising in management-system gap analysis, training and certification preparation across ISO, API, Halal, GFSI, ESG, cybersecurity, engineering and industry-specific standards.

Phone / WhatsApp

+44 7853 109840

Office

71-75 Shelton Street, Covent Garden, London WC2H 9JQ, UK

Common Questions

IEC 61511:2016 (Process) Process SIS — Frequently Asked Questions

Quick answers about the IEC 61511:2016 (Process) Process SIS gap analysis tool, data privacy, audit preparation, and ISO Xpert consulting.

What is the IEC 61511:2016 (Process) Process SIS gap analysis tool and how does it work?
The IEC 61511:2016 (Process) Process SIS gap analysis tool is a free browser-based checklist that compares your current management system against the clauses of IEC 61511:2016 (Process) Process SIS. You answer clause-by-clause questions and rate each requirement as Compliant, Partial or Non-compliant. The tool calculates a live compliance score, highlights gaps on a heat-map, captures evidence and corrective-action notes, and exports the full assessment as JSON, CSV, TXT or print-ready PDF for management review and Stage 1 / Stage 2 audit preparation.
Is the IEC 61511:2016 (Process) Process SIS gap analysis tool really free to use?
Yes — the IEC 61511:2016 (Process) Process SIS tool is 100% free with no sign-up, no email capture, no credit card, no watermarks, and no usage limits. It runs entirely in your browser; nothing is transmitted to ISO Xpert servers. You can clear or export your data at any time.
Where is my IEC 61511:2016 (Process) Process SIS assessment data stored?
All IEC 61511:2016 (Process) Process SIS assessment data is stored locally in your browser’s storage. Nothing is uploaded to our servers. This makes the tool GDPR-friendly and suitable for confidential audit data classified up to Restricted. Export anytime as JSON (re-importable), CSV (Excel-pivotable), TXT (executive summary) or PDF (audit-trail evidence).
Can I use this tool to prepare for IEC 61511:2016 (Process) Process SIS certification or surveillance audits?
Yes. The IEC 61511:2016 (Process) Process SIS gap analysis is designed to support preparation for certification by UKAS-, IAS- or ANAB-accredited bodies. Use the exported report as evidence of internal audit, feed it into management review, and prioritise high-severity non-conformities ahead of Stage 1 / Stage 2 visits. ISO Xpert consultants can assist with documented information, internal audits and full implementation if required.
How long does a IEC 61511:2016 (Process) Process SIS gap analysis typically take?
Most users complete an initial IEC 61511:2016 (Process) Process SIS gap analysis in 60 to 120 minutes for a single site, depending on system maturity and clause depth. The tool auto-saves continuously, so you can pause, switch devices via JSON export/import, and resume at any time. Re-assessments after corrective action usually take 20 to 40 minutes.
Does ISO Xpert offer IEC 61511:2016 (Process) Process SIS consulting or training?
Yes. ISO Xpert Ltd (London, UK) provides IEC 61511:2016 (Process) Process SIS gap analysis consulting, internal audits, Stage 1 and Stage 2 certification preparation, lead auditor / internal auditor training, and full management-system implementation. Contact info@iso-xpert.com or WhatsApp +44 7853 109840.

More questions? Contact ISO Xpert or browse other safety-gap-analysis tools.