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Supercharge your Proficy solution!  Download a free trial of Proficy Operations Hub, CSense analytics, and more. Explore our Proficy 2025 releases!

  1. Home
  2. Historian User API
  3. Connect Functions
  4. Connect Functions Overview
  • Version 2025
  • Version 2024
  • Version 2023
  • Version 2022
  • Version 9.1
  • Version 9.0
  • Version 8.1
  • Version 8.0
  • Version 7.2
  • Release Notes
  • Getting Started Guide
  • Configuration Hub
  • Remote Collector Management
  • Using Historian Administrator
  • Historian Advanced Topics
  • Historian Alarms and Events
  • Historian REST APIs
  • Historian System API
  • Historian User API
    • Historian User API Overview
    • Connect Functions
      • Connect Functions Overview
      • ihuConnect
      • ihuConnectEx
      • ihuDisconnect
      • ihuSetConnectionParameters
      • ihuRestoreDefaultConnectionParameters
      • ihuServerRegisterCallbacks
      • ihuBrowseCollectors
    • Archiver Functions
    • Tag Functions
    • Write Functions
    • Query Modifiers Functions
    • Read Functions
    • Utility Functions
    • Enumerated Sets Functions
    • User-Defined Type Functions
    • Publish Functions
    • Historian User API Error Codes
    • Historian User API Sample Programs
  • Historian SDK
  • Historian Utility Suite
  • Collector Tool Kit
  • Data Collectors - General
  • The Calculation Collector
  • The CygNet Collector
  • The File Collector
  • The HAB Collector
  • iFIX Collector
  • Migrating iFix Data
  • The MQTT Collector
  • The MQTT Sparkplug B Collector
  • The ODBC Collector
  • The OPC Classic DA Collector
  • The OPC Classic HDA Collector
  • The OPC Classic Alarms and Events Collector
  • OPC Classic HDA Server
  • OPC UA HDA Server
  • The OPC UA DA Collector
  • OSI PI Collector
  • OSI PI Distributor
  • The Python Collector
  • Server-to-Server Collector
  • The Server-to-Server Distributor
  • The Simulation Collector
  • Windows Performance Collector
  • The Wonderware Collector
  • OLE DB Provider
  • The Excel Add-In for Historian
  • The Excel Addin for Operations Hub
  • Trend Client
  • Historian Web Admin Console
  • Extract, Transform, and Load (ETL)

Connect Functions Overview

This group of functions provides a means to connect to and disconnect from an Historian server. A minimal number of properties are exposed.

Connect Functions

  • ihuConnect
  • ihuConnectEx
  • ihuDisconnect
  • ihuSetConnectionParameters
  • ihuRestoreDefaultConnectionParameters
  • ihuServerRegisterCallbacks
  • ihuBrowseCollectors

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