6
Introduction to the operator’s manual
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5,6&
Reduced instruction set computer
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Root mean square value
56
A balanced serial interface for the transmission of digital data in
point-to-point connections
56
Serial link according to EIA standard RS485
56
A generic connector specification that can be used to support
RS422, V.35 and X.21 and others
578
Remote terminal unit
6$
Substation Automation
6&6
Station control system
606
Station monitoring system
63$
Strömberg Protection Acquisition, a serial master/slave protocol for
point-to-point communication
69&
Static VAr compensation
73=73<73;736
Current transformer class according to IEC
8,3,6$
Process interface components that delivers measured voltage and
current values
87&
Coordinated Universal Time. A coordinated time scale, maintained
by the Bureau International des Poids et Mesures (BIPM), which
forms the basis of a coordinated dissemination of standard fre-
quencies and time signals
9
Same as RS449. A generic connector specification that can be
used to support RS422 and others
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Week-end infeed logic
97
Voltage transformer
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A digital signalling interface primarily used for telecom equipment