Page History

...

The Tag Historian system provides significant value, even in abstract form, to users of Ignition. The built in support for querying in bindings, charting, tables, scripting and beyond- across local and remote gateways- is an important and significant feature of Ignition. While many aspects of these features are defined by the platform, the core implementation is achieved with the Tag Historian Module, and we believe that 3rd party offerings are an extension of that functionality. From a technical point of view, nothing has changed for module authors at this time- there is no need to define a concrete dependency on the Tag Historian moduleModule- though module authors may want to do this, in order to avoid confusion on the part of the user.

...