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1MRK 511 366-UUS -
Commissioning manual
PSM
PST
PT ratio
PUTT
RASC
RCA
RISC
RMS value
RS422
RS485
RTC
RTU
SA
SBO
SC
SCL
SCS
SCADA
SCT
SDU
SLM
SMA connector
SMT
SMS
SNTP
SOF
Power supply module
Parameter setting tool within PCM600
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
Serial communication module.
Subminiature version A, A threaded connector with constant
impedance.
Signal matrix tool within PCM600
Station monitoring system
Simple network time protocol – is used to synchronize
computer clocks on local area networks. This reduces the
requirement to have accurate hardware clocks in every
embedded system in a network. Each embedded node can
instead synchronize with a remote clock, providing the required
accuracy.
Status of fault
Section 14
Glossary
191
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