Section 15 Glossary
About this chapter
This chapter contains a glossary with terms, acronyms and abbreviations used in ABB
technical documentation.
AC Alternating current
ACT Application configuration tool within PCM600
A/D converter Analog to digital converter
ADBS Amplitude dead-band supervision
ANSI American National Standards Institute
AR Autoreclosing
ASCT Auxiliary summation current transformer
ASD Adaptive signal detection
AWG American Wire Gauge standard
BR External bi-stable relay
BS British standard
CAN Controller Area Network. ISO standard (ISO 11898) for serial
communication
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 mega pulses per second
CO cycle Close-open cycle
Co-directional Way of transmitting G.703 over a balanced line. Involves two
twisted pairs making it possible to transmit information in both
directions
1MRK506276-UUS B Section 15
Glossary
105
Operator's manual
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