14.12.6
Monitored data
Table 410:
MVGGIO Monitored data
Name
Type
Values (Range)
Unit
Description
VALUE
REAL
-
-
Magnitude of deadband value
RANGE
INTEGER
0=Normal
1=High
2=Low
3=High-High
4=Low-Low
-
Range
14.12.7
Operation principle
Upon receiving an analog signal at its input, IEC61850 generic communication I/O
functions (MVGGIO) will give the instantaneous value of the signal and the range, as
output values. In the same time, it will send over IEC 61850-8-1 the value, to other IEC
61850 clients in the substation.
14.13
Measured value expander block MVEXP
14.13.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Measured value expander block
MVEXP
-
-
14.13.2
Functionality
The current and voltage measurements functions (CVMMXN, CMMXU, VMMXU and
VNMMXU), current and voltage sequence measurement functions (CMSQI and VMSQI)
and IEC 61850 generic communication I/O functions (MVGGIO) are provided with
measurement supervision functionality. All measured values can be supervised with four
settable limits: low-low limit, low limit, high limit and high-high limit. The measure value
expander block MVEXP has been introduced to enable translating the integer output
signal from the measuring functions to 5 binary signals: below low-low limit, below low
limit, normal, above high limit or above high-high limit. The output signals can be used
as conditions in the configurable logic or for alarming purpose.
1MRK 502 048-UUS A
Section 14
Monitoring
591
Technical manual
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