ABB REF 543 - Page 47

Feeder Terminal REF 541, REF 543, REF 545.
1MRS750443-MBG
47
3U_B 3U_B Three-phase voltage, B
stage
MEVO3B X X X
Uo Uo Residual voltage MEVO1A X X X
Uo_B Uo_B Residual voltage, B stage MEVO1B X X X
ENERGY / POWER
PQE PQE Three-phase power and
energy
(incl. cos )
MEPE7 X X X
FREQUENCY
f f System frequency MEFR1 X X X
RECORDING
DREC DREC Transient disturbance
recorder
MEDREC16 X X X
RTD -MODULE
AI1...AI8 AI1..AI8 Measurement of
RTD/analogue inputs,
general measurement
MEAI1…8 X X X
AO1...
AO4
AO1...
AO4
Measurement of analogue
outputs (Note! Only in
products with an
RTD/analogue module)
MEAO1…4 X X X
CONDITION MONITORING FUNCTION
CIRCUIT BREAKER
CB wear1 CB wear1 CB electric wear 1 CMBWEAR1 X X X
CB wear2 CB wear2 CB electric wear 2 CMBWEAR2 X X X
TIME1 TIME1 Operate Time Counter 1
(e.g. motors)
CMTIME1 X X X
TIME2 TIME2 Operate Time Counter 2
(e.g. motors)
CMTIME2 X X X
CMGAS1 GAS1 Gas pressure supervision CMGAS1 X X X
CMGAS3 GAS3 Gas pressure supervision
for three poles
CMGAS3 X X X
CMSPRC1 SPRC1 Spring charging control 1 CMSPRC1 X X X
CMTRAV1 TRAV1 Breaker travel time 1 CMTRAV1 X X X
CMSCHED SCHED Scheduled maintenance CMSCHED X X X
TRIP CIRCUIT
TCS1 TCS1 Trip Circuit Supervision 1 CMTCS1 X X X
TCS2 TCS2 Trip Circuit Supervision 2 CMTCS2 X X X
MEASURING CIRCUIT
MCS 3I MCS 3I Supervision of the
energizing current input
circuit
CMCU3 X X X
MCS 3U MCS 3U Supervision of the
energizing voltage input
circuit
CMVO3 X X X
CONTROL FUNCTION
CIRCUIT BREAKERS,
DISCONNECTORS / EARTHING SWITCH
COCB1
COCB2
I<->O 
CB1
CB2
Circuit breaker 1, 2
(2 state inputs / 2 control
outputs)
COCB1...2 X X X
CODC1…5 I<->O
DC1...
DC5
Disconnector 1….5
(2 state inputs / 2 control
outputs)
CODC1…5 X X X
Functionality levels, other functions
FUNCTIONALITY LEVELS
ANSI
Code
IEC
Symbol
Function Code REF541/3/
5
CONTROL
REF541/3/
5 BASIC
REF541/3/
5 MULTI