ABB REG670 Commissioning Manual page 319

1MRK 502 073-UUS A
Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
Commissioning manual
PCM600
PC-MIP
PMC
POR
POTT
Process bus
PRP
PSM
PST
PTP
PT ratio
PUTT
RASC
RCA
RISC
RMS value
RS422
RS485
RTC
RTU
SA
SBO
SC
SCL
SCS
SCADA
SCT
SDU
SFP
Protection and control IED manager
Mezzanine card standard
PCI Mezzanine card
Permissive overreach
Permissive overreach transfer trip
Bus or LAN used at the process level, that is, in near
proximity to the measured and/or controlled components
Parallel redundancy protocol
Power supply module
Parameter setting tool within PCM600
Precision time protocol
Potential transformer or voltage transformer ratio
Permissive underreach transfer trip
Synchrocheck relay, COMBIFLEX
Relay characteristic angle
Reduced instruction set computer
Root mean square value
A balanced serial interface for the transmission of digital data
in point-to-point connections
Serial link according to EIA standard RS485
Real-time clock
Remote terminal unit
Substation Automation
Select-before-operate
Switch or push button to close
Short circuit location
Station control system
Supervision, control and data acquisition
System configuration tool according to standard IEC 61850
Service data unit
Small form-factor pluggable (abbreviation)
Optical Ethernet port (explanation)
Section 17
Glossary
313