Section 9 Glossary
AC Alternating current
ACC Actual channel
ACT Application configuration tool within PCM600
A/D converter Analog-to-digital converter
ADBS Amplitude deadband supervision
AI Analog input
ANSI American National Standards Institute
AR Autoreclosing
ASCT Auxiliary summation current transformer
ASD Adaptive signal detection
ASDU Application service data unit
AWG American Wire Gauge standard
BBP Busbar protection
BFOC/2,5 Bayonet fibre optic connector
BFP Breaker failure protection
BI Binary input
BOS Binary outputs status
BR External bistable relay
BS British Standards
CB Circuit breaker
CCITT Consultative Committee for International Telegraph and
Telephony. A United Nations-sponsored standards body within
the International Telecommunications Union.
CCVT Capacitive Coupled Voltage Transformer
Class C Protection Current Transformer class as per IEEE/ ANSI
CMPPS Combined megapulses per second
CMT Communication Management tool in PCM600
CO cycle Close-open cycle
1MRK 505 293-UUS A Section 9
Glossary
133
Commissioning manual
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