ABB Relion 670 Series Product Manual page 104

Generator protection REG670
Version 2.2
Table 88. Tap changer control TCMYLTC/TCLYLTC
Function
Tap position for lowest and highest
voltage
mA for lowest and highest voltage
tap position
Type of code conversion
Time after position change before
tStable
the value is accepted
Tap changer constant time-out
Raise/lower command output pulse
duration
104
SEMOD175215-2 v14
Range or value
(1–63)
(0.000–25.000) mA
BIN, BCD, GRAY, SINGLE, mA
(1–60) s
(1–120) s
(0.5–10.0) s
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Accuracy
-
-
-
±0.2% or ±200 ms whichever is greater
±0.2% or ±200 ms whichever is greater
±0.2% or ±200 ms whichever is greater
1MRK 502 074-BEN M
Hitachi Power Grids