Section 6 Glossary
611 series Series of numerical protection and control relays for low-end
protection and supervision applications of utility substations,
and industrial switchgear and equipment
CB Circuit breaker
CSV Comma-separated values
CT Current transformer
DAN Doubly attached node
DC 1. Direct current
2. Disconnector
3. Double command
DPC
Double-point control
EMC Electromagnetic compatibility
Ethernet A standard for connecting a family of frame-based computer
networking technologies into a LAN
FIFO First in, first out
FTP File transfer protocol
FTPS FTP Secure
GOOSE Generic Object-Oriented Substation Event
HMI Human-machine interface
HSR High-availability seamless redundancy
HTTPS Hypertext Transfer Protocol Secure
IEC International Electrotechnical Commission
IEC 61850 International standard for substation communication and
modeling
IEC 61850-8-1 A communication protocol based on the IEC 61850 standard
series
IED Intelligent electronic device (protection and control relay)
IEEE 1588 v2 Standard for a Precision Clock Synchronization Protocol for
networked measurement and control systems
IEEE 1686 Standard for Substation Intelligent Electronic Devices'
(IEDs') Cyber Security Capabilities
IP address A set of four numbers between 0 and 255, separated by
periods. Each server connected to the Internet is assigned a
1MRS757456 D Section 6
Glossary
REF611 179
Application Manual