Name Type Default Description
B1 BOOLEAN 0 Bit 1 from tap changer for the tap position
B2 BOOLEAN 0 Bit 2 from tap changer for the tap position
B3 BOOLEAN 0 Bit 3 from tap changer for the tap position
B4 BOOLEAN 0 Bit 4 from tap changer for the tap position
B5 BOOLEAN 0 Bit 5 from tap changer for the tap position
B6 BOOLEAN 0 Bit 6 from tap changer for the tap position
MA REAL 0 mA from tap changer for the tap position
Table 436: TCMYLTC Output signals
Name Type Description
URAISE BOOLEAN Raise voltage command to tap changer
ULOWER BOOLEAN Lower voltage command to tap changer
HIPOSAL BOOLEAN Alarm for tap in highest volt position
LOPOSAL BOOLEAN Alarm for tap in lowest volt position
POSERRAL BOOLEAN Alarm that indicates a problem with the position
indication
CMDERRAL BOOLEAN Alarm for a command without an expected position
change
TCERRAL BOOLEAN Alarm for none or illegal tap position change
POSOUT BOOLEAN Tap position outside min and max position
CONVERR BOOLEAN General tap position conversion error
NEWPOS BOOLEAN A new tap position is reported, 1 sec pulse
HIDIFPOS BOOLEAN Tap position has changed more than one position
INVALPOS BOOLEAN Last position change was an invalid change
CNT_VAL INTEGER Number of operations on tap changer
TCPOS INTEGER Integer value corresponding to actual tap position
YLTCOUT GROUP SIGNAL Group connection to ATCCIN
Table 437: TCLYLTC Input signals
Name
Type Default Description
YLTCIN GROUP
SIGNAL
- Input group connection for YLTC
TCINPROG BOOLEAN 0 Indication that tap is moving
INERR BOOLEAN 0 Supervision signal of the input board
RESETERR BOOLEAN 0 Reset of command and tap error
OUTERR BOOLEAN 0 Supervision off the digital output board
RS_CLCNT BOOLEAN 0 Reset of the contact life counter
RS_OPCNT BOOLEAN 0 Resets the operation counter
PARITY BOOLEAN 0 Parity bit from tap changer for the tap position
Table continues on next page
Section 14 1MRK502052-UEN B
Control
754
Technical manual
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