About stations

A station is the main unit of server processing in the Niagara architecture.

A station database is defined by a single .bog file, for example: “file:!stations/{name}/config.bog”
Stations are booted from their config.bog file into a single Virtual Machine (VM), or process, on the host machine.
There is usually a one–to–one correspondence between stations and host machines (Supervisors or JACEs). However it is possible to run two stations on the same machine if they are configured to use different IP ports.

A station runs the components of the Niagara Framework and provides the access for client browsers to view and control these components. The primary parts of a station include components and services. It is the combination of a database, a web server, and a control engine. The station either runs on a Web Supervisor PC or a JACE controller.

Figure 17. Station in nav tree

A system can be a single station or multiple stations depending on the size of the project and it is defined by a bog file. See About BOG files.