3.1.11 General system settings
Table 17: General system settings
Parameter Values (Range) Unit Step Default Description
Rated frequency
1=50Hz
2=60Hz
1=50Hz Rated frequency of
the network
Phase rotation
1=ABC
2=ACB
1=ABC Phase rotation or-
der
Blocking mode
1=Freeze timer
2=Block all
3=Block OPERATE
output
1=Freeze timer Behaviour for func-
tion BLOCK inputs
Bay name
1
REx620
2
Bay name in system
IDMT Sat point 10...50 I/I> 1 50 Overcurrent IDMT
saturation point
SMV Max Delay
0=1.90 1.58 ms
1=3.15 2.62 ms
2=4.40 3.67 ms
3=5.65 4.71 ms
4=6.90 5.75 ms
1=3.15 2.62 ms SMV Maximum al-
lowed delay
1
Used in the IED main menu header and as part of the disturbance recording identification
2
Depending on the product variant
1MRS757644 H Basic functions
620 series
Technical Manual
57