Local Historian

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Local Historian for KEPServerEX 可让数据收集、存储和访问工作更靠近数据源，从而防止数据丢失，并通过开放式访问和单一产品解决方案来提高运营效率。通过接入 KEPServerEX 连接平台，Local Historian 可连接到任何设备并在不停止运营的前提下实时添加设备。该高级插件体系结构可简化配置、提供灵活性，并使信息在 OPC HDA（一种开放标准）范围内可访问。


资源

  • 性能
  • 协议
  • 可用语言
  • 文档
  • 发行说明
  • 更多技术信息

性能

  • 从服务器中的任何数据源（如驱动、高级插件或系统标签）收集包含值、质量和时间戳在内的数据
  • 从静态和动态服务器标签收集数据
  • 支持将数据保留到本地机器上的卷（可以是固定驱动器或可移动介质）
  • 支持通过 OPC HDA 1.20 访问历史数据
  • 支持已处理的读取请求（OPC HDA 聚合）
  • 支持 1 毫秒分辨率的数据时间戳
  • 支持可配置的数据收集扫描速率（10 毫秒间隔）
  • 支持收集死区
  • 数据保留策略可配置
  • 导入已经备份而且不再积极使用的历史数据
  • 内建历史数据查看器，以便快速排除故障
  • 支持最多 10,000 个标签的分层许可

协议

  • OPC Historical Data Access (HDA)

可用语言

  • 英语

文档

发行说明

6.9.572.0

2020/6/2

  • 修复了在数据存储属性中将许可证状态错误地报告为“未许可”的问题。

6.4.321.0

2017/12/13

  • 修复了项目的“值显示”窗口中不显示历史记录值的问题。

5.18.662.0

2015/6/23

  • Corrected an issue with logging invalid timestamps.

5.17.495.0

2015/2/24

  • 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.

5.16.722.0

2014/10/21

  • 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.

协议详情

OPC HDA 1.20 客户端访问

  • 支持的 IOPCHDA_Server 接口函数：
    • GetAggregates
    • GetHistorianStatus
    • GetItemAttributes
    • GetItemHandles
    • ReleaseItemHandles
    • ValidateItemIDs
    • CreateBrowse (except filtering)
  • 支持的 IOPCHDA_SyncRead 接口函数：
    • ReadAttribute
    • ReadProcessed
      • Interpolative
      • Time Average
      • Total
      • Average
      • Minimum Actual Time
      • Maximum Actual Time
    • ReadRaw
  • 支持的 IOPCHDA_Browser 接口函数：
    • GetEnum
    • ChangeBrowsePosition
    • GetItemID
    • GetBranchPosition

  • 订货号：KWP-LHIST1-PRD (1-500 tags) KWP-LHIST2-PRD (501-10,000 tags)

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