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6. Specification :
Input:
8
≤
VA for one output
AC/DC Auxiliary Supply
60V…….300 VAC-DC ± 5%
AC/DC Auxiliary Supply frequency range
45 to 65 Hz
Auxiliary Supply consumption
≤
10VA for two output
Measuring Output Y( Single or Optional Dual):
Output type
Load independent DC Voltage or DC
Current (Onsite selectable through
DIP switches & Programming.)
Load independent DC output
0…20mA / 4…20mA OR 0…10V.
Output burden with DC current output
0
R
15V/Y2
≤ ≤
Signal
Output burden with DC voltage output
Y2/(2 mA)
R
≤ ≤ ∞
Signal
Current limit under overload R=0
1.25 * Y2 with current output
≤
60 mA with Voltage output
≤
Voltage limit under R=
∞
< 1.25 * Y2 with voltage output
30 V with current output
≤
Residual Ripple in Output signal
1% pk-pk
≤
Response Time
300 ms.
Accuracy
:
( Acc. to IEC 60688)
Reference Value
Output end Value Y2 (Voltage or
Current)
Basic Accuracy
0.2*C
Factor C (The Highest value applies)
Auxiliary:
Y0
Y2
X0
X2
1
1
or C=1
C=
Linear characteristics:
C=
Y1 - Y0 X2
X1 - X0
Y2
or C=1
C=
Y1
Y2
X1
X2
1
1
or C=1
Bent characteristics:
Reference conditions for Accuracy :
Ambient temperature
23°C +/- 1°C
Pre-conditioning
30 min acc. to IEC EN - 60688
Input Variable
Rated Voltage / Rated Current
Input waveform
Sinusoidal, Form Factor 1.1107
Input signal frequency
50....60Hz
Auxiliary supply voltage
Rated Value ±1%
Auxiliary supply frequency
Rated Value ±1%
Output Load
Rn = 7.5 V / Y2 ± 1%With DC
current output signal.
Rn = Y2 / 1 mA ± 1% With DC
Voltage output signal.
Miscellaneous
Acc. to IEC EN - 60688
Additional Error :
Temperature influence
±
0.2% /10°C
Influence of Variations:
As per IEC EN-60688 standard.
Output stability
< 30min
Y
X
Y0
X0
Y2
X2
Y
X
Y0
X0
Y2
X2
Y
X
Y0
X0
Y2
X2
Y
Y
Y
X
Y0
X0
Y2
X2
Y1
X1
X1
Y1
X0 = Start value of input
Y0 = Start value of output
X1 = Elbow value of input
Y1 = Elbow value of output
X2 = End value of input
Y2 = End value of output
R = Rated value of output burden U /I = Nominal input voltage/current
N
N N
2) Example of setting with Bent characteristics:
Output characteristics:
1) Example of setting with Linear characteristics:
Nominal input Voltage X2 (AC RMS)
57V
X2
500 V
≤
≤
(PT Secondary range)
PT Primary range
57V to 400 kV
Nominal Frequency Fn
50 or 60 Hz
Nominal input Voltage burden
< 0.2 VA at
U
N
Overload Capacity:
1.
continuously,
for
minute
2 * X2
2*X2
1 second, repeated 10
times at 10
intervals
But maximum 300V with power supply
powered from measuring input.
