Min/Max Measurement Setup; Description; Setting Notes; Settings - Siemens SIPROTEC 7RW80 Manual

2.12.4

Min/Max Measurement Setup

Minimum and maximum values are calculated by the 7RW80. Time and date of the last update of the values
can also be read out.

2.12.4.1 Description

Minimum and Maximum Values
The minimum and maximum values of the three phase-to-ground voltages V
V , the positive-sequence component V
xy
cluding the date and time they were last updated).
The min/max values can be reset via binary inputs, via DIGSI or via the integrated control panel at any time. In
addition, the reset can also take place cyclically, beginning with a pre-selected point in time.

2.12.4.2 Setting Notes

Minimum and Maximum Values
The tracking of minimum and maximum values can be reset automatically at a programmable point in time. To
select this feature, address 8311 MinMax cycRESET should be set to YES. The point in time when reset is to
take place (the minute of the day in which reset will take place) is set at address 8312 MiMa RESET TIME.
The reset cycle in days is entered at address 8313 MiMa RESETCYCLE, and the beginning date of the cyclical
process, from the time of the setting procedure (in days), is entered at address 8314 MinMaxRES.START.

2.12.4.3 Settings

Addr. Parameter
8311 MinMax cycRESET
8312 MiMa RESET TIME
8313 MiMa RESETCYCLE
8314 MinMaxRES.START
SIPROTEC, 7RW80, Manual
C53000-G1140-C233-1, Release date 10.2010
, the voltage V
1
Setting Options
NO
YES
0 .. 1439 min
1 .. 365 Days
1 .. 365 Days
x-N
and the frequency primary values are recorded (in-
N
Default Setting
YES Automatic Cyclic Reset Function
0 min MinMax Reset Timer
7 Days MinMax Reset Cycle Period
1 Days MinMax Start Reset Cycle in
Functions
2.12 Auxiliary Functions
, the phase-to-phase voltages
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