Digital Substation

Digital Substation is an engineering publication focused on IEC 61850 automation, protection systems, and digital grid intelligence.

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Alstom Technology and Schneider Electric patented merging unit

Abstract for the patent Merging unit and method of operating a merging unit states the following: A merging unit including at least one input interface for receiving input data characterizing at least one voltage and/or current related to a component of a...

ABB introduced MMS support for AFS series Ethernet switches

The number of Ethernet switches with integrated IEC 61850-8-1 server increases. Manufacturers do not only implement standard logical node classes according to IEC 61850-7-4 but also those ones introduced by IEC 61850-90-4 technical report. These switches do also support buffered and unbuffered reporting mechanisms. Seems like the closest future is the one where IEC 61850-8-1 (MMS) communications will replace communications over SNMP (being widely used at the moment). This will allow for integration of Ethernet switches in process control systems the same way as it is done with IEC 61850-8-1 pr

MOXA presented industrial computer with native PRP and HSR support

In Electric Power Networks of Russia-2014 exhibition MOXA presented DA-820 industrial computer which supports PRP and HSR redundancy protocols. Now process control systems manufacturers and suppliers can use this platform to offer workstations for integration in IEC 61850 station bus networks without redundancy boxes.

Arc-fault protection with GOOSE communications

Siemens presented the new series of arc-fault protection devices 7XG31. The new series includes 7XG3124 RA24 device which is capable of transmitting GOOSE messages on detection of arc-faults in different compartments of enclosed switchgear. It is possible to...

Heartbleed Bug Found in ABB Relays

Much-talked-of Heartbleed bug of open-source OpenSSL cryptography library has been found in ABB Relion 650 series IEDs. Care about this if your IED firmware revision is 1.3.0. Word has been spread by ICS-CERT (Industrial Control Systems Cyber Emergency Response Team).

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