ABB REF 545 Product Guide

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

ABB REF 545 Specifications

General

Brand	ABB
Model	REF 545
Category	Touch terminals
Language	English