Toshiba GRT100 Series Instruction Manual page 34

Setting
The following shows the setting elements for the frequency protection and their setting ranges.
Element Range
45.00  55.00Hz
81-1 (L1, H1)
(54.00  66.00Hz
45.00  55.00Hz
81-2 (L2, H2)
(54.00  66.00Hz
40  100V
UV
0.00  60.00s
TFRQL
0.00  60.00s
TFRQH
0.00  60.00s
TFRQA
Scheme switch
[FRQ-UF1] Off/On
[FRQ-UF2] Off/On
[FRQ1] to [FRQ5] Off/On
[FRQA] Off/On
(*) : Frequency values shown in parentheses are for the case of 60Hz rating. Other frequency values
are shown for the case of 50Hz rating.
(**): Default settings are dependent on the models. See Appendix H.
Step Default
0.01Hz 49.00Hz
0.01Hz 59.00Hz) (*)
0.01Hz 48.00Hz
0.01Hz 58.00Hz)
1V 40V
0.01s 10.00s
0.01s 10.00s
0.01s 10.00s
On
On
(**)
On
 33 
6 F 2 S 0 7 8 9
Remarks
Trip
Alarms
Undervoltage block
Underfrequency trip time
delay
Overfrequency trip time
delay
Alarm time delay
Enable or disable
Trip
Alarm
Trip
Alarm