The Netcon 500 WebHMI is a flexible browser-based human–­machine interface for the Netcon 500 systems of primary substations. It has all the functionality needed for the local supervision of a substation. The hardware is hardened for strict cybersecurity, and the user interface makes it easy to build the interactive single line diagrams (SLDs) that form the backbone of the SW functionality.

Single line diagrams

• Display the statuses of circuit breakers, disconnectors and other devices and enable the operator to control these
• Also show measured values, with higlighting for alarms
• Several diagrams are supported, with a special diagram showing the SW components
• Easy to add new diagrams and modify existing ones

Configurable alarm list

• Displays date, time, value and ­description of alarms
• Time column is colored ­according to object priority, reflecting alarm urgency
• Offers acknowledge functionality for a single alarm or all alarms, with optional auto acknowledgement

Configurable event list

• Shows information on the time of changes, including those generating alarms
• Offers advanced filter functions with time, bay, type and device as the filter criteria

Access control, UI language support and maintenance

• Comprehensive access control with several user levels, generic and personal accounts as well as support for a RADIUS server
• UI language support for English, Swedish, Finnish, Norwegian and Latvian
• Automatic periodic backups of SW configuration onto GW502

Low power industrial panel PC with 18.5″ touch screen

• 9…36 V DC redundant power inputs
• 0…+50°C operating temperature with 10%…90% operating humidity
• Windows 11 IoT Enterprise