Section 8 Glossary - ABB RELION REX640 Operation Manual

1MRS759118 A
Section 8
REX640
Operation Manual
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
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 responsibility 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
FTP File transfer protocol
Section 8
Glossary
129