ABB RET670 Product Manual page 74

Transformer protection RET670
Customized
Product version: 1.2
Table 69. Voltage control TR1ATCC, TR8ATCC, TCMYLTC and TLCYLTC, continued
Function
Type of code conversion
Time after position change before the value
is accepted
Tap changer constant time-out
Raise/lower command output pulse duration
74
Range or value
BIN, BCD, GRAY, SINGLE, mA
(1–60) s
(1–120) s
(0.5–10.0) s
1MRK 504 117-BEN D
Accuracy
-
± 0.5% ± 10 ms
± 0.5% ± 10 ms
± 0.5% ± 10 ms
ABB