ABB REF 541 Product Manual page 47

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