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INA1, INA2, INA3 ANALOGUE CONTROL INPUTS
Function
Voltage
Current
Potentiometric
Line Voltage measurement, Current /Voltage (optional) on load
RMS line voltage measurement function
Accuracy RMS line voltage measurement
RMS current measurement function
Accuracy RMS current measurement
Function voltage measurement RMS on load
Accuracy RMS voltage measurement on load
Inputs measuring current from external TAs
Thermal drift for measure tension and current in the load,
tension of line
Current and Voltage sampling time
INDIG1,...,INDIG4 Digital inputs
Function
Type
80999D_MHW_GFW 400-600A_07-2020_ENG
5 • TECHNICAL CHARACTERISTICS
INPUTS
Acquisition of % value for power control
Linear: 0....5 Vdc, Ri= 90Kohm
Linear: 0......10 Vdc, Ri= 90Kohm
Linear: 0/4...20mA, Ri =250ohm
1.......10 Kohm, max 30mA from 5Vdc power GFW
Line voltage read 50-60Hz;
voltage in range :
90...530Vac for model with work voltage range 480Vac
90...660Vac for model with work voltage range 600Vac
90...760Vac for model with work voltage range 690Vac
1% f.s. with neutral connected, 2% f.s. without neutral
Load current read
2% f.s. @25°C in start mode ZC e BF; in mode PA 2% f.s. with
conduction angle >90°, 4% f.s. with conduction angle <90°
Load voltage read
1% f.s. with VLOAD option measurement
(Otherwise, the value is calculated from the values of line voltage
and power delivered; accuracy 2% F.S.)
No. 3 inputs (optional)
Input impedance: 16 mohm
Input dynamic: 0 ... 5 Arms
Accuracy: 1% f.s.
<0,02%/°C
0.25 ms
Configurable (default: disabled)
Only for INDIG1, 2, 3: PWM input (100Hz/0,03Hz) to check the
% value of power which depends on the cycle; this function lets
you to set a power set point by means of a digital signal (ex.
from PLC or controller with PWM output).
The PWM function for INDIG1 is available within a frequency
range of 100Hz / 0.03Hz, while for INDIG2 and INDIG3 the
frequency range of the function is 1Hz / 0.03 Hz.
5-30Vdc, 7mA isolation 1500V configurable as PNP or NPN
45
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