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Introduction to the operator’s manual &KDSWHU
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5,6& Reduced instruction set computer
506YDOXH 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
:(, Week-end infeed logic
97 Voltage transformer
; A digital signalling interface primarily used for telecom equipment
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