Signals - Arc protection - Motor protection - Feeder protection - Back-up protection - Technical Manual - REX610 Protection and control - Relion Protection and Control - 1.2 - IEC - ANSI - 03.05.2023

REX610 Technical Manual

Table 1. SSCBR Input signals
Name Type Default Description
I3P SIGNAL Three-phase currents
BLOCK BOOLEAN 0=False Block input status
POSOPEN BOOLEAN 0=False Signal for open position of apparatus from I/O
POSCLOSE BOOLEAN 0=False Signal for close position of apparatus from I/O
OPEN_CB_EXE BOOLEAN 0=False Signal for open command to coil
CLOSE_CB_EXE BOOLEAN 0=False Signal for close command to coil
PRES_ALM_IN BOOLEAN 0=False Binary pressure alarm input
PRES_LO_IN BOOLEAN 0=False Binary pressure input for lockout indication
SPR_CHR_ST BOOLEAN 0=False CB spring charging started input
SPR_CHR BOOLEAN 0=False CB spring charged input
RST_IPOW BOOLEAN 0=False Reset accumulation energy
RST_CB_WEAR BOOLEAN 0=False Reset input for CB remaining life and operation counter
RST_TRV_T BOOLEAN 0=False Reset input for CB closing and opening travel times
RST_SPR_T BOOLEAN 0=False Reset input for the charging time of the CB spring

Table 2. SSCBR Output signals
Name Type Description
TRV_T_OP_ALM BOOLEAN CB open travel time exceeded set value
TRV_T_CL_ALM BOOLEAN CB close travel time exceeded set value
SPR_CHR_ALM BOOLEAN Spring charging time has crossed the set value
OPR_ALM BOOLEAN Number of CB operations exceeds alarm limit
OPR_LO BOOLEAN Number of CB operations exceeds lockout limit
IPOW_ALM BOOLEAN Accumulated currents power (Iyt),exceeded alarm limit
IPOW_LO BOOLEAN Accumulated currents power (Iyt),exceeded lockout limit
CB_LIFE_ALM BOOLEAN Remaining life of CB exceeded alarm limit
MON_ALM BOOLEAN CB 'not operated for long time' alarm
PRES_ALM BOOLEAN Pressure below alarm level
PRES_LO BOOLEAN Pressure below lockout level
OPENPOS BOOLEAN CB is in open position
INVALIDPOS BOOLEAN CB is in invalid position (not positively open or closed)
CLOSEPOS BOOLEAN CB is in closed position