Accuracy Of The Frequency Measurement - Siemens SENTRON PAC5200 Device Manual

4 Measurands and Recording
4.3 Display of Measurands
4.3.3

Accuracy of the Frequency Measurement

Table 4-17
Circuit
Voltage to V
a-N
Voltage to V
b-N
Voltage to V
c-N
NOTE
The frequency at measuring circuit V
the measurement will automatically be carried out at measuring circuit V
smaller than 30 % of V
66
Accuracy of the Frequency Measurement
0 % to 15 % V
15 % to 30 % V
30 % to 120 % V
0 % to 15 % V
15 % to 30 % V
30 % to 50 % V
50 % to 120 % V
0 % to 15 % V
15 % to 30 % V
30 % to 120 % V
a-N
, the measurement will automatically be carried out at measuring circuit V
nom
Accuracy
: invalid
rated
: 40 mHz
rated
: 10 mHz
rated
: invalid
rated
: 40 mHz
rated
: 30 mHz
rated
: 20 mHz
rated
: invalid
rated
: 40 mHz
rated
: 10 mHz
rated
is measured first. If the voltage V
SENTRON PAC5100/5200, 7KM5212/5412, Device Manual
is smaller than 30 % of V
a-N
. If the voltages V and V
c-N a-N
E50417-H1040-C568-A1, Edition 03.2015
,
rated
are
c-N
.
b-N