What are the minimum HW and SW requirements for Reliance 4?

Hardware requirements

The required PC configuration depends on the operating system and the size of the visualization project you will create.

To work on common projects (about 2000 tags), we recommend the following minimum PC configuration:

  • 2GHz processor
  • 512MB RAM for Windows XP and older versions
  • 1GB RAM for Windows Vista
  • 2GB RAM for Windows 7 and Windows 8
  • 4GB RAM for Windows 10 and Windows 11
  • Screen resolution 1024 x 768 with 24-bit or 32-bit color depth

The complete installation of the development environment including the graphics library and runtime software requires approx. 750 MB of free hard disk space.

Note: For information on how to install Reliance 4 SCADA on Windows Server 2012 R2, see FAQ 90024.

Software requirements

The software modules of the Reliance 4 system can be run on:

  • Windows 11            (recommended)
  • Windows 10            (recommended)
  • Windows 8.1
  • Windows 8
  • Windows 7
  • Windows Vista
  • Windows XP (does not apply to OPC UA–based modules)
  • Windows XP Embedded (does not apply to OPC UA–based modules)

  • Windows Server 2022
  • Windows Server 2019
  • Windows Server 2016
  • Windows Server 2012 R2
  • Windows Server 2012
  • Windows Server 2008 R2
  • Windows Server 2008
  • Windows Server 2003 (does not apply to OPC UA–based modules)

Both 32-bit and 64-bit versions of Windows operating systems can be used.

Reliance 4 Web Client can be run on all operating systems on condition that the Java Runtime Environment (JRE 6.0 or higher) is installed on the computer, and Reliance 4 Smart Client can run on any Web browser supporting HTML5 and the jQuery Mobile javascript framework. jQuery Mobile has support for many platforms and Web browsers.

Supported database systems

  • Microsoft SQL Server (beginning with version 2005)
  • MySQL (beginning with version 5)
  • MariaDB (beginning with version 10)
  • PostgreSQL (beginning with version 9)
  • Oracle (beginning with version 10g)
  • dBASE tables (versions IV and VII)

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