ABB REF 541 Product Manual page 69

Feeder Terminal
Table 21: Measurement functions
Function ANSI device
no.
2)
MEAI1 AI1
2)
MEAI2 AI2
2)
MEAI3 AI3
2)
MEAI4 AI4
2)
MEAI5 AI5
2)
MEAI6 AI6
2)
MEAI7 AI7
2)
MEAI8 AI8
2)
MEAO1 AO1
2)
MEAO2 AO1
2)
MEAO3 AO3
2)
MEAO4 AO4
MECU1A Io
MECU1B Io_B
MECU3A 3I
2)
MECU3B 3I_B
MEDREC16 DREC
1)
MEFR1 f
MEPE7 PQE
MEVO1A Uo
2)
MEVO1B Uo_B
MEVO3A 3U
2)
MEVO3B 3U_B
1) These functions are only supported in the feeder termi-
nal revisions of Release 1.5 or later.
Table 22: Power quality functions
Function ANSI device
no.
1)
PQCU3H PQ 3Inf
1)
PQVO3H PQ 3Unf
2)
PQVO3Sd PQ 3U<>
1) These functions are only supported in the feeder termi-
nal revisions of Release 2.0 or later.

Table 23: Control functions
Function ANSI device
no.
CO3DC1 CO3DC1
CO3DC2 CO3DC2
COCB1 COCB1
COCB2 COCB2
COCBDIR COCBDIR
CODC1 CODC1
CODC2 CODC2
CODC3 CODC3
CODC4 CODC4
CODC5 CODC5
COIND1 COIND1
IEC symbol Description
AI1 General measurement 1 / analog input on RTD/analog module
AI2 General measurement 2 / analog input on RTD/analog module
AI3 General measurement 3 / analog input on RTD/analog module
AI4 General measurement 4 / analog input on RTD/analog module
AI5 General measurement 5 / analog input on RTD/analog module
AI6 General measurement 6 / analog input on RTD/analog module
AI7 General measurement 7 / analog input on RTD/analog module
AI8 General measurement 8 / analog input on RTD/analog module
AO1 Analog output 1 on RTD/analog module
AO1 Analog output 2 on RTD/analog module
AO3 Analog output 3 on RTD/analog module
AO4 Analog output 4 on RTD/analog module
Io Neutral current measurement, stage A
Io_B Neutral current measurement, stage B
3I Three-phase current measurement, stage A
3I_B Three-phase current measurement, stage B
DREC Transient disturbance recorder
f System frequency measurement
PQE Three-phase power and energy measurement
Uo Residual voltage measurement, stage A
Uo_B Residual voltage measurement, stage B
3U Three-phase voltage measurement, stage A
3U_B Three-phase voltage measurement, stage B
2)
IEC symbol Description
PQ 3Inf Current waveform distortion measurement
PQ 3Unf Voltage waveform distortion measurement
PQ 3U<> Short duration voltage variations
2)
IEC symbol Description
I<->O 3DC1 Three-state disconnector (1) with indication
I<->O 3DC2 Three-state disconnector (2) with indication
I<->O CB1 Circuit breaker 1 control with indication
I<->O CB2 Circuit breaker 2 control with indication
CBDIR Direct open for CBs via HMI
I<->O DC1 Disconnector 1 control with indication
I<->O DC2 Disconnector 2 control with indication
I<->O DC3 Disconnector 3 control with indication
I<->O DC4 Disconnector 4 control with indication
I<->O DC5 Disconnector 5 control with indication
I<->O IND1 Switching device 1 indication
REF 541, REF 543, REF 545.
1MRS750443-MBG
These functions are only supported in the feeder termi-
nal revisions of Release 2.0 or later
This function is only supported in the feeder terminal
revisions of Release 3.5 or later
69