ENEGRY METER MONITORING VIA POWER LINE COMMUNICATION

Guide: Mrs. VIDHYA K

Group Members [Batch No:4]ATHIRA XAVIER (66)

ERICA CRYSTABEL SIMATHY(22)MANJU AUGUSTINE(36)NITHYA GOPINATH(44)

SETHULAKSHMI C S(53)

BLOCK DIAGRAM (CONSUMER SECTION)

Energy meter IC (ADE7757

)

Relay and interfacing circuit

PLC Modem

LCD Display

Interfacing circuit

(Optocoupler)

Load

Micro- Controller

(PIC16F877A)

230 V Single Phase Power Supply

BLOCK DIAGRAM (ELECTRICITY BOARD SECTION)

PLC Modem

230 V Single Phase Power Supply

Level Converter (MAX232)

DB9 Connector

PC

16X2 LCD INTERFACING TO PIC (CIRCUIT DIAGRAM)

// LCD module connectionssbit LCD_RS at RC2_bit;sbit LCD_EN at RC3_bit;sbit LCD_D4 at RC4_bit;sbit LCD_D5 at RC5_bit;sbit LCD_D6 at RC6_bit;sbit LCD_D7 at RC7_bit;sbit LCD_RS_Direction at TRISC2_bit;sbit LCD_EN_Direction at TRISC3_bit;sbit LCD_D4_Direction at TRISC4_bit;sbit LCD_D5_Direction at TRISC5_bit;sbit LCD_D6_Direction at TRISC6_bit;sbit LCD_D7_Direction at TRISC7_bit;// End LCD module connectionsvoid main(){ Lcd_Init(); // Initialize LCD Lcd_Cmd(_LCD_CLEAR); // Clear display Lcd_Cmd(_LCD_CURSOR_OFF); // Cursor off Lcd_Out(1,3,"Welcome to our ");//Write text in first row Lcd_Out(2,7,"Project ");//Write text in second row}

16X2 LCD INTERFACING TO PIC (SOURCE CODE)

RELAY INTERFACING TO PIC (CIRCUIT DIAGRAM)

void main() { TRISB.F7 = 0; //Makes RB7 a output pin

do { PORTB.F7 = 1; //Turns ON relay Delay_ms(1000); // 1000 ms delay PORTB.F7 = 0; //Turns OFF relay Delay_ms(1000); //1000ms delay }while(1);}

RELAY INTERFACING TO PIC (SOURCE CODE)

FLOW CHART

A

B

FLOW CHARTA

B