ABB RELION 670 Series Technical Manual page 898

Section 14
Control
Name
MASTER
FOLLOWER
MFERR
OUTOFPOS
VGTUPPDB
VLTLOWDB
COMMERR
ICIRC
TRFDISC
VTALARM
T1PG
T2PG
T3PG
T4PG
T5PG
T6PG
T7PG
T8PG
Table 523: TCMYLTC (84) Input signals
Name
YLTCIN
TCINPROG
INERR
RESETERR
OUTERR
RS_CLCNT
RS_OPCNT
PARITY
BIERR
B1
B2
B3
B4
B5
B6
MA
892
Type Description
BOOLEAN The transformer is master
BOOLEAN This transformer is a follower
BOOLEAN The number of masters is different from one
BOOLEAN To high difference in tap positions
BOOLEAN Voltage greater than deadband-high, ULOWER command to come
BOOLEAN Voltage lower than deadband-low, URAISE command to come
BOOLEAN Communication error
BOOLEAN Block from high circulating current
BOOLEAN The transformer is disconnected
BOOLEAN VT supervision alarm
BOOLEAN Transformer1 included in parallel group
BOOLEAN Transformer2 included in parallel group
BOOLEAN Transformer3 included in parallel group
BOOLEAN Transformer4 included in parallel group
BOOLEAN Transformer5 included in parallel group
BOOLEAN Transformer6 included in parallel group
BOOLEAN Transformer7 included in parallel group
BOOLEAN Transformer8 included in parallel group
Type Default Description
GROUP - Input group connection for YLTC
SIGNAL
BOOLEAN 0 Indication that tap is moving
BOOLEAN 0 Supervision signal of the input board
BOOLEAN 0 Reset of command and tap error
BOOLEAN 0 Supervision off the digital output board
BOOLEAN 0 Reset of the contact life counter
BOOLEAN 0 Resets the operation counter
BOOLEAN 0 Parity bit from tap changer for the tap position
BOOLEAN 0 Error bit from tap changer for the tap position
BOOLEAN 0 Bit 1 from tap changer for the tap position
BOOLEAN 0 Bit 2 from tap changer for the tap position
BOOLEAN 0 Bit 3 from tap changer for the tap position
BOOLEAN 0 Bit 4 from tap changer for the tap position
BOOLEAN 0 Bit 5 from tap changer for the tap position
BOOLEAN 0 Bit 6 from tap changer for the tap position
REAL 0 mA from tap changer for the tap position
1MRK 502 066-UUS B
PID-6506-INPUTSIGNALS v6
Technical manual