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SA2005P Datasheet(PDF) 3 Page - Sames |
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SA2005P Datasheet(HTML) 3 Page - Sames |
3 / 16 page 3/16 sames sames SA2005P http://www.sames.co.za Figure 2: Pin connections: Package: DIP-24, SOIC-24 Part Number SA2005PPA SA2005PSA Package DIP-24 SOIC-24 ORDERING INFORMATION PIN DESCRIPTION Analog Ground. The voltage to this pin should be mid-way between V and V . DD SS Positive supply voltage. Typically +5V if a current transformer is used for current sensing. GND V DD Designation Description PIN 20 6 Negative supply voltage. Typically 0V if a current transformer is used for current sensing. V SS 18 Voltage sense inputs. The current into the A/D converter should be set at 14µA at nominal mains RMS voltage. The voltage sense input saturates at an input current of ±25µA peak. 21, 24, 3 IVN1, IVN2, IVN3 Inputs for current sensors. The termination resistor voltage from each current transformer is converted to a current of 16µA at rated conditions. The current sense input saturates at an input RMS current of ±25µA peak. 23, 22, 2, 1, 5, 4 IIN1, IIP1, IIN2, IIP2, IIN3, IIP3 This pin provides the connection for the reference current setting resistor. A 24kW resistor connected to V sets the optimum operating condition. SS 19 VREF Serial clock output. This output is used to strobe data from the external EEPROM. 8 SCL Serial data. Send and receive data from an external EEPROM. 9 SDA Motor pulse outputs. These outputs can be used to drive an impulse counter or stepper motor directly. 11, 12 MON, MOP Multiplexed phase or direction driver output. 13 Triggers a data reload from the external EEPROM. 7 RLOAD Multiplexed LED drivers for direction and mains fail indication. 14, 15, 16 PH1, PH2, PH3 Calibration LED output. Refer to section Led Output (LED) for the pulse rate output options. 10 LED Test input. For normal operation connect this pin to V . SS 17 TEST 1 IIP2 IVN2 GND IIN2 IIN1 VREF IVN3 IIP1 VSS IIP3 IIN3 VDD RLOAD SCL IVN1 TEST PH3 PH2 PH1 PH / DIR LED MON MOP SDA 2 3 4 5 6 19 18 17 16 15 14 13 10 11 12 9 8 7 20 21 22 23 24 dr-01602 PH / DIR |
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