ABB Relion 620 Series - Page 952

Table 927: FMMXU Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
F high high limit 35.00...75.00 Hz 1 60.00 High alarm fre-
quency limit
F high limit 35.00...75.00 Hz 1 55.00 High warning fre-
quency limit
F low limit 35.00...75.00 Hz 1 45.00 Low warning fre-
quency limit
F low low limit 35.00...75.00 Hz 1 40.00 Low alarm frequen-
cy limit
F deadband 100...100000 1 1000 Deadband configu-
ration value for in-
tegral calculation
(percentage of dif-
ference between
min and max as
0,001 % s)
Table 928: FMMXU Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Def frequency Sel
1=Nominal
2=Zero
1=Nominal Default frequency
selection
8.1.9.6 Monitored data
Table 929: FMMXU Monitored data
Name Type Values (Range) Unit Description
f-Hz FLOAT32 35.00...75.00 Hz Measured fre-
quency
F_INST FLOAT32 35.00...75.00 Hz Frequency, in-
stantaneous val-
ue
F_DB FLOAT32 35.00...75.00 Hz Frequency, re-
ported value
F_RANGE Enum
0=normal
1=high
2=low
3=high-high
4=low-low
Measured fre-
quency range
8.1.9.7 Technical data
Measurement functions
1MRS757644 H
952 620 series
Technical Manual