Data Access Tools

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Data Access

Fernhill SCADA provides a range of API:

Fernhill SCADA data access interfaces OPC Fernhill SCADA Java API Fernhill SCADA ODBC Driver IEC 61131-3 SQL Mitsubishi Melsec Driver Omron Driver Siemens S7 Driver Idec Micro Driver Allen Bradley Driver Modbus Driver Data File Driver OPC Client Driver ODBC Client Driver SNMP Client Driver All Drivers

The OPC and ODBC interfaces follow their respective standards. The Java API is proprietary.

You can use these interfaces to access SCADA data:

OPC UA Provides data to OPC UA applications.
OPC Classic Provides data to OPC Classic applications. Supports:
  • Supports Data Access (DA).
  • Alarms and Events (AE)
  • Historical Data Access (HDA)
ODBC The ODBC driver allows ODBC aware applications to access Fernhill SCADA data. For example Microsoft Excel, or SAP Crystal Reports.
Java API The Java API allows Java programs to interface directly to Fernhill SCADA.

Supported Operating Systems

Not all data access interfaces are available on all operating systems. Use this table to see which interfaces are supported on your operating system:

OPC UA Yes Yes Yes
OPC Classic Yes No No
ODBC Yes Yes Yes
Java API Yes Yes Yes

Further Information

OPC Introduction

To learn about OPC and how to connect third party OPC aware applications to Fernhill SCADA.

Java API

To learn about the Java API and how to access Fernhill SCADA from Java programs.

Open Database Connectivity (ODBC)

To learn about ODBC and how to connect third party ODBC aware applications to Fernhill SCADA.


For the meaning of terms used in Fernhill SCADA.