Local Historian

Licensing starts at $995.00
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Product Overview

The Local Historian for KEPServerEX moves data collection, storage, and access closer to the data source to prevent data loss and improve operational efficiency via open access and a single product solution. By plugging into the KEPServerEX connectivity platform, the Local Historian can connect to any device and add devices in real-time without operational downtime. The advanced plug-in architecture simplifies configuration, provides flexibility, and makes the information accessible across OPC HDA (an open standard).

Resources

Features

  • Collects data consisting of a value, quality, and timestamp from any data source in the server (such as drivers, advanced plug-ins, or system tags)
  • Collects from both static and dynamic server tags
  • Supports persistence to a volume on the local machine (which can be a fixed drive or removable media)
  • Supports access to historical data via OPC HDA 1.20
  • Supports processed read requests (OPC HDA aggregates)
  • Supports data timestamps with one millisecond resolution
  • Supports configurable data collection scan rates as frequent as 10 milliseconds
  • Supports collection deadband
  • Has a configurable data retention policy
  • Imports historical data that has been backed up and removed from active use
  • Has a built-in historical data viewer for quick troubleshooting
  • Supports tiered licensing for up to 10,000 tags

Protocols

  • OPC Historical Data Access (HDA)

Release Notes

EX5 - 5.18.662.0

6/23/2015

  • Corrected an issue with logging invalid timestamps.

EX5 - 5.17.495.0

2/24/2015

  • Added the ability to delete the datastore.
  • Added support for the CSV import and export of historical tags under a historical tag group.
  • Added support for 64-bit data types, including QWord and LLong.
  • Added buttons to browse the directories for the Datastore Location and Import Location.
  • Enhanced the multi-tag edit dialog to allow users to only edit a subset of the tag properties. Leaving a field blank will not apply any changes for that field to the selected tags.
  • Added the new "Historian Service Status" field to the Status view to help troubleshoot issues when the Historian service is not running. The field shows started, stopped, disabled, or not installed.
  • Simplified the tag dialog to allow dynamic or static tag address creation.
  • Fixed a defect where tags would not be renamed if the server channel, device, or tag was renamed. This could occur in cases where the name changed in case only.
  • Fixed an issue where closing the configuration when the Tag Browser was being used could result in the configuration crashing.
  • Tag groups are now given a default name upon creation.
  • Fixed an issue where the Value Display view was not updated with new settings until a new value was recorded for the tag. The view is now updated when the setting changes are made.
  • Fixed an issue that occurred when adding String or Boolean tags where the deadband option was not shown as disabled. These data types do not support deadband.
  • Fixed a missing help file link from the tag dialog page.

EX5 - 5.16.722.0

10/21/2014

  • The new Local Historian Plug-In further improves data functionality by capturing historical data at the point of collection in an easy-to-configure, flexible, and open solution. It collects, stores, and provides access to data at the source to prevent loss and improve operational efficiency. The Local Historian Plug-In provides businesses a simple, cost-effective solution for data collection and storage challenges.

Protocol Details

OPC HDA 1.20 Client Access
  • Supported IOPCHDA_Server Interface Functions:
    • GetAggregates
    • GetHistorianStatus
    • GetItemAttributes
    • GetItemHandles
    • ReleaseItemHandles
    • ValidateItemIDs
    • CreateBrowse (except filtering)
  • Supported IOPCHDA_SyncRead Interface Functions:
    • ReadAttribute
    • ReadProcessed
      • Interpolative
      • Time Average
      • Total
      • Average
      • Minimum Actual Time
      • Maximum Actual Time
    • ReadRaw
  • Supported IOPCHDA_Browser Interface Functions:
    • GetEnum
    • ChangeBrowsePosition
    • GetItemID
    • GetBranchPosition

The Local Historian provides historical information to custom or off-the-shelf OPC HDA-compliant client applications for data visualization, reporting, and analytics. Because the Local Historian's design decouples data storage and visualization, users can choose the visualization or reporting solution that best meets their unique needs.

Kepware has tested the advanced plug-in with multiple third-party products to validate the accuracy of the software's OPC HDA implementation, including the following:

Please contact a Kepware Sales Representative for additional information.


What Is an Advanced Plug-In?

KEPServerEX is more than an OPC server—it’s a connectivity platform for industrial automation and IoT. Simply download KEPServerEX, and then select from Kepware’s library of more than 150 device drivers, client drivers, and advanced plug-ins to fit the communication requirements unique to your industrial control system.

An advanced plug-in extends the capabilities of the KEPServerEX connectivity platform. It provides enhanced server functionality, increasing the usefulness of data by transforming it beyond raw data in a device register.

Advanced plug-ins may be licensed individually or as part of suites, and can be licensed on demand as connectivity needs evolve.

Purchasing Information

Local Historian
SKU: EX5-LHIST-NA05
PRICE: $995.00

1 Year Support and Maintenance Agreement
SKU: IND-LHIST-SA25
PRICE: $179.00

TOTAL: $1174.00

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Whitepaper Spotlight

Learn more about the variety of historians in the market, where Kepware's Local Historian fits into this landscape, and the benefits it provides.

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