ABB REF 54 Series Technical Reference Manual page 19

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Technical Reference Manual, General
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General measurement 6 / analogue input on RTD/analogue module
2)
MEAI6
2) General measurement 7 / analogue input on RTD/analogue module
MEAI7
2) General measurement 8 / analogue input on RTD/analogue module
MEAI8
2) Analogue output 1 on RTD/analogue module
MEAO1
2) Analogue output 2 on RTD/analogue module
MEAO2
2) Analogue output 3 on RTD/analogue module
MEAO3
Analogue output 4 on RTD/analogue module
2)
MEAO4
MECU1A Neutral current measurement, stage A
MECU1B Neutral current measurement, stage B
MECU3A Three-phase current measurement, stage A
2) Three-phase current measurement, stage B
MECU3B
1) Transient disturbance recorder
MEDREC16
MEFR1 System frequency measurement
MEPE7 Three-phase power and energy measurement
MEVO1A Residual voltage measurement, stage A
Residual voltage measurement, stage B
2)
MEVO1B
MEVO3A Three-phase voltage measurement, stage A
Three-phase voltage measurement, stage B
2)
MEVO3B
1)
These functions are only supported in the feeder terminal revisions of the Release 1.5 or later, refer to
section "Revision identification" on page 90.
2)
These functions are only supported in the feeder terminal revisions of the Release 2.0 or later, refer to
section "Revision identification" on page 90.
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The power quality function blocks are documented on the CD-ROM "Technical
Descriptions of Functions" (1MRS750889-MCD).
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Current waveform distortion measurement
1)
PQCU3H
1) Voltage waveform distortion measurement
PQVO3H
1)
These functions are only supported in the feeder terminal revisions of the Release 2.0 or later, refer to
section "Revision identification" on page 90.
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The control functions are used to indicate the status of switching devices, i.e. circuit
breakers and disconnectors, and to execute open and close commands for
controllable switching devices in the switchgear. Furthermore, there are
supplementary functions for control logic purposes, e.g. on/off switches, MIMIC
alarm, LED control, numerical data for the MIMIC and logic controlled position
selection.
The control functions configured using the Relay Configuration Tool can be
associated with object status indicators that are part of the MIMIC configuration
picture displayed on the HMI. Object status indicators are used to indicate the status
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