9 Glossary
AC Alternating current
AD Active directory
CAL Central activity logging
CAM Centralized account management
CAT 5 A twisted pair cable type designed for high signal integrity
CAT 6 Cable standard for gigabit Ethernet and other network protocols that is
backward compatible with CAT 5/5e and CAT 3 cable standards
CFG Configuration file
COMTRADE Common format for transient data exchange for power systems. Defined
by the IEEE Standard.
CT Current transformer
DAT
1. Data attribute type
2. Data file
Data set The content basis for reporting and logging containing references to the
data and data attribute values.
DC
1. Direct current
2. Disconnector
3. Double command
DHCP Dynamic host configuration protocol
DIP switch A set of on-off switches arranged in a standard dual in-line package
DNP3 A distributed network protocol originally developed by Westronic. The
DNP3 Users Group has the ownership of the protocol and assumes re-
sponsibility for its evolution.
DST Daylight-saving time
EEPROM Electrically erasable programmable read-only memory
EMC Electromagnetic compatibility
Ethernet A standard for connecting a family of frame-based computer networking
technologies into a LAN.
FPGA Field-programmable gate array
FPN Flexible product naming
FTP File transfer protocol
FTPS FTP Secure
GDE Graphical display editor in PCM600
GND Ground/earth
GOOSE Generic object-oriented substation event
HF High frequency
HMI Human-machine interface
Glossary 1MRS759118 D
158 REX640
Operation Manual
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