Section 6 Glossary
AC Alternating current
CAT 5 A twisted pair cable type designed for high signal
integrity
Connectivity
package
A collection of software and information related to a
specific protection and control IED, providing system
products and tools to connect and interact with the IED
CT Current transformer
DC 1. Direct current
2. Disconnector
3. Double command
DHCP
Dynamic Host Configuration Protocol
EMC Electromagnetic compatibility
Ethernet A standard for connecting a family of frame-based
computer networking technologies into a LAN
FAT Factory acceptance testing
HMI Human-machine interface
HW Hardware
I/O Input/output
IEC International Electrotechnical Commission
IED Intelligent electronic device
IET600 Integrated Engineering Toolbox
IP Internet protocol
IP address A set of four numbers between 0 and 255, separated by
periods. Each server connected to the Internet is
assigned a unique IP address that specifies the
location for the TCP/IP protocol.
IRF
1. Internal fault
2. Internal relay fault
LAN Local area network
LC Connector type for glass fiber cable, IEC 61754-20
LCD Liquid crystal display
LED Light-emitting diode
1MRS756801 E Section 6
Glossary
630 series 43
Commissioning Manual
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