CAN
Parameter
ID
Description
Multiplier Units
PDO
Data
byte
the PT primary voltage, the power value has
to be considered as zero. This is a two's
complement value and may be positive or
negative.
current /
1616.58
5
2,3
Total reactive power
This value is calculated new after every
voltage cycle of each phase. It is not
filtered. If the voltage is lower than 1.5% of
the PT primary voltage, the reactive power
value has to be considered as zero. This is a
two's complement value and may be
positive or negative.
PT
Primary
voltage *
CT
primary
current /
1616.58
var
5
4,5
Frequency
0.01
Hz
5
6,7
df/dt
This is the measured change of frequency,
df/dt.If the frequency is lower than 30Hz or
higher than 80Hz, it is set to zero. This is a
two's complement value and may be
positive or negative.
0.1
Hz/sec
6
0,1
Current L1
This value is calculated new after every
voltage cycle. It is not filtered.
CT
primary
current /
5000
A
6
2,3
Current L2
This value is calculated new after every
voltage cycle. It is not filtered.
CT
primary
current /
5000
A
6
4,5
Current L3
This value is calculated new after every
voltage cycle. It is not filtered.
CT
primary
current /
5000
A
6
6,7
Power factor
0.001
7
0,1
139
Voltage L1-L2
This value is calculated new after every
voltage cycle. It is not filtered. Values
smaller than 1.5% of the PT primary voltage
have to be considered as zero.
PT
Primary
voltage /
4000
V
7
2,3
108
Voltage L2-L3
This value is calculated new after every
voltage cycle. It is not filtered. Values
PT
Primary
voltage /
4000
V
20
MFR 300 K55
B37933
4 Fixed TPDOs