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Display Setting Description Setting Setting
FDT
HYSTERESIS
FDT
HYSTERESIS
FAR
SIGNAL OFF ON ON OFF
OFF
*F_56 0 t o 3 0 HYSTERESIS WIDTH 0 Hz
This sets the hysteresis for the frequency detection signal
(FDT) and frequency equivalence signal (FAR) within the
range of 0-30 Hz.
The FAR is in the middle of the hysteresis width. F_54 = 2
(Y1-CM)
FAR
→
F_57 THR TERMINAL 0
(Function Selection)
This sets the function for the THR input terminal.
0: Used for THR functions (Trip Command Functions)
1: Used for Edit Permit Commands
THR-CM off: Function data change not possible.
THR-CM on: Function data change possible.
The relationship between this function and function F_00
(Data protection) is shown in the table below:
F_57 F_00 Data changing
Edit permit command Data protection possible
0 (OFF) 0 No
0 (OFF) 1 No
1 (ON) 0 Yes
1 (ON) 1 No