Safety System Products

Simplifier Gateway

The Simplifier Gateway sits between a distributed Safety Simplifier installation in the field and the higher-level safety controller that has to trust it. It gathers validated safety state from Simplifier devices and presents that system to a Siemens controller over PROFIsafe or to a Beckhoff controller over FSoE through one interface.

I joined while the product was still in early development. The firmware itself mattered, but the bigger gap was everything around it: no tests, very little review discipline, IDE-bound builds, and weak traceability, all on a product that needed SIL 3 certification under IEC 61508.

Most of my contribution ended up there: verification infrastructure, certification-evidence automation, and the embedded DevOps backbone that turned the project from firmware that seemed correct into firmware that could be proven correct to a certifier.

Coming soon

The full case study is being written

The complete write-up for Simplifier Gateway, the engineering decisions behind it, the trade-offs, and the results, is being prepared and will be published here soon. The summary above is the short version for now.

Back to Archive