This manual describes the operation, settings, performance specifications, data communications, installation, commissioning and maintenance of the 7SR11 and 7SR12 Argus overcurrent relays.
This technical manual provides detailed information on the operation, settings, performance specifications, installation, commissioning, maintenance, and applications of the Siemens 7SR11 and 7SR12 Argus overcurrent relays. It includes sections on hardware description, protection functions, control and logic functions, supervision, data communications, and maintenance procedures. The document also covers software and hardware revision history, including updates for IEC 61850 communication, arc flash detection, and power protection elements.
The manual is intended for technicians and engineers responsible for installing, commissioning, maintaining, and troubleshooting these relays in industrial power systems. It includes detailed diagrams, configuration instructions, and troubleshooting guidance for various protection functions such as overcurrent, earth fault, voltage, and power protection.
The 7SR11 and 7SR12 Argus are overcurrent relays used for protection devices.
This document is issue 2018/03.
The EE E6 hardware variants introduced in 2015/06 support IEC 61850 functionality.