
Bridging Legacy Systems with Modern IoT – How S4 Integration Solutions and MobiusFlow Are Changing the Game
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Many building owners and operators want to unlock the power of IoT and AI but theyโre stuck with legacy building automation systems (BAS) that were never designed for modern connectivity.
Thatโs where S4 Integration Solutions and MobiusFlow come in.

Together, we’re eliminating the friction between legacy infrastructure and cutting-edge technology, delivering a scalable, secure pathway to smart building functionalityโwithout costly rip-and-replace upgrades.
Legacy BAS Meets Real-Time IoT Intelligence
S4 Integration Solutions is an expert in accessing data from legacy BAS environments, including systems like Johnson Controls Metasysยฎ N2 and Siemens P1.
Using the BACnet N2 Integration, S4IS exposes legacy system data as open BACnet/IP, allowing third-party platforms to integrate, automate, and optimise.

MobiusFlow picks up from there.
As a flexible, protocol-agnostic data orchestration layer, MobiusFlow connects legacy data to live sensors, cloud platforms, and real-time visualisation.
It enables fault detection, energy optimisation, automation, and more, bringing smart functionality to buildings old and new.
How the Partnership Works
Legacy Data Delivered to the Cloud
S4IS enables data extraction from legacy equipment.
MobiusFlow then ingests that data via BACnet, structures it, and sends it to the cloud (or displays it locally) for analysis, automation, and control.

MobiusFlow Promoted by S4IS
S4IS is now actively promoting MobiusFlow as a complementary platform for customers ready to expand beyond their legacy limitations.
Qualified leads are referred directly, accelerating time-to-value for both parties.
Future-Focused Integration
The two teams are also exploring API-level integrations to streamline workflows even further, and are aligned on technical strategy both using the SCADA Engine BACnet stack.
Pre-Installed Licensing
Looking ahead, MobiusFlow could be pre-installed (but dormant) on S4IS devices, allowing customers to unlock advanced features via simple license activation, reducing deployment time even further.
Real Results, Real Impact
This partnership is already delivering value.
Whether you’re managing a school district full of legacy N2 controllers or a commercial portfolio ready for next-gen IoT, the S4IS + MobiusFlow approach helps extend the life of existing infrastructure while paving the way for smarter, more efficient operations.
Want to See How It Works?
๐ Learn more about S4 Integration Solutions at s4integrationsolutions.com

