Remote engineering tools manage logins, not whether the route exists.
Engineers need to reach your PLCs. The route should not be there when they do not.
Engineering and vendor access to PLCs, controllers and industrial systems that is just-in-time, not standing.
Infrastructure & Critical Systems
Relay, Lock, Unlink
0 industry Blueprints
Assessed for your environment
01 · The problem
Industrial Engineering Access: what goes wrong.
Vendors and engineers need access to PLCs, controllers and industrial systems for commissioning, fault finding and updates. Vendor modems, cellular routers and engineering laptops often provide routes straight to the controller.
Why existing controls may leave it open
Vendor-installed modems and routers are easy to forget and hard to see.
Engineering access can reach far more controllers than the job requires.
02 · Firevault's approach
Control the selected connections.
Firevault works with your engineering and operations teams to agree which engineering routes exist, which controllers they reach and when. Access is just-in-time: staged for the approved job and closed when it ends.
03 · Before and with Control
See the connections change.
The connections that were always available, and their intended state once Control is in place. Your own design depends on your environment.
Concept view · CP-14 Industrial Engineering AccessFromVendors and engineers
- Vendor modem or routerAlways connected
- Approved engineering sessionAlways connected
- Field control and safetyStays connected, assessed
ToPLCs and controllers
A simplified concept, not a network design. Device placement, connections and operating sequences are designed for your environment in Control Studio.
Request a Studio design session04 · The outcome
What changes for you.
What this Plan does not do: This Plan does not change controller logic or safety systems, and does not assess the engineering work itself.
- No standing engineering route to controllers.
- Engineers reach only the controllers covered by the job.
- Local control and safety continue unchanged.
05 · Where it applies
Industries where this Plan fits.
Each industry Blueprint applies this Plan to its own systems, dependencies and safety considerations.
Other Plans in Infrastructure & Critical Systems
06 · Your environment
How many routes can reach your PLCs and controllers when nobody is working on them?
Firevault reviews the connections in your own environment with the people who own them, then designs the Plan for you in Control Studio.