Section 9
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
ACT
1. Application Configuration tool in PCM600
2. Trip status in IEC 61850
ARP
Address Resolution Protocol
CID
Configured IED description
CMT
Communication Management tool in PCM600
COM600S
Substation Management Unit. An all-in-one
communication gateway, automation platform and user
interface solution for utility and industrial distribution
substations.
COMTRADE
Common format for transient data exchange for power
systems. Defined by the IEEE Standard.
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
DA
Data attribute
DHCP
Dynamic Host Configuration Protocol
DHT
Disturbance Handling tool in PCM600
DO
Data object
EMC
Electromagnetic compatibility
Ethernet
A standard for connecting a family of frame-based
computer networking technologies into a LAN
EVT
Event Viewer tool in PCM600
FTP
File transfer protocol
FTPS
FTP Secure
GDE
Graphical Display Editor in PCM600
GoCB
GOOSE control block
GOOSE
Generic Object-Oriented Substation Event
HMI
Human-machine interface
HSR
High-availability seamless redundancy
1MRS241255 B
Section 9
Glossary
611 series
93
Engineering Manual
