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SA2002H Datasheet(PDF) 3 Page - Sames |
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SA2002H Datasheet(HTML) 3 Page - Sames |
3 / 12 page 3/12 sames sames SA2002H http://www.sames.co.za PIN DESCRIPTION 8 Pin 14 Pin 16 Pin 20 Pin Designation Description 8 14 16 20 GND Analog Ground. The voltage to this pin should be mid-way between V and V . DD SS 4 5 5 8 V DD Positive supply voltage. The voltage to this pin is typically +2.5V if a shunt resistor is used for current sensing or in the case of a current transformer a +5V supply can be applied. 6 10 9 14 V SS Negative supply voltage. The voltage to this pin is typically -2.5V if a shunt resistor is used for current sensing or in the case of a current transformer a 0V supply can be applied. 7 13 15 19 IVP Analog Input for Voltage. The current into the A/D converter should be set at 14µA at nominal mains voltage. The RMS voltage sense input saturates at an input current of ±25µA peak. 1, 2 1, 2 1, 2 1, 2 IIN, IIP Inputs for current sensor. The shunt resistor voltage from each channel is converted to a current of 16µA at rated conditions. RMS The current sense input saturates at an input current of ±25µA peak. 3 3 3 3 VREF This pin provides the connection for the reference current setting resistor. A 24kW resistor connected to V set the optimum SS operating condition. 5 8 6 12 FOUT Pulse rate output. Refer to pulse output format for a description of the pulse rate. 4 4 4 6 8 5 7 10 6 12 12 7 9 14 10 11 16 17 18 TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP10 Leave pins unconnected. 13 N.A. 9 7 13 DIR Direction output. The direction of the energy flow is indicated on this output. N.A. 11 11 15 FMO Voltage sense zero crossover. The FMO output generates pulses on energy rising edge of the mains voltage. |
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