AUTOMATIC METER READING

By

XXXX(12XXXXXXX)

ECE

Guide:XXXXX,XXXXX

Associate Professor

What is AMR?

Automatic meter reading

This saves employee trips, and means that billing can

be based on actual consumption rather than on an

estimate based on previous consumption

Benefits Of AMR

Electrical company benefits:• Smart automated processes instead of manual work.

• Customized rates and billing dates.

Customer Benefits:

• Precise consumption information.

• Clear and accurate billing.

Different Types of AMR Technologies

Handheld

Touch based

Mobile

Fixed network

Radio frequency network

RF BASED AMR

Originally AMR devices just collected meter readings electronically &

matched them with accounts.

As technology has advanced, additional data could then be captured,

stored and transmitted to the main computer and often the metering

devices could be controlled remotely.

BLOCK DIAGRAM OF TRANSMITTER UNIT

WORKING OF TRANSMITTER UNITThe data is send from the transmitter unit to the receiver

unit via RF channel.

The pulse generator also having a AT89C2051

microcontroller.

In transmitter unit we also use the four seven segment

display, which shows the reading of the meter.

Each seven segment display has 7 LEDs

BLOCK DIGRAM OF RECEIVER UNIT

WORKING OF RECEIVER UNIT

The transmitted data is received by the antenna situated at the receiver

unit.

After receiving the signal the data is given to the pin no.8 of the AM

receiver.

The output the AM receiver is given to the decoder HT12D.

When the VT=1, the transistor is turn on and a high signal appear at

the collector terminal

Due to which the LED which is connected to the collector terminal is

glow up and emit the light.

APPLICATIONS

Wireless M-Bus

Home control and industrial automation

Street lighting (TinyMesh supporting up to 255 hops)

ADVANTAGESSmart automated processes instead of manual work

Accurate information from the network load to optimise

maintenance and investments

Customized rates and billing dates.

Streamlined high bill investigations.

Detection of tampering of Meters.

DISADVANTAGES

Communication patterns between levels can be

complex.

Algorithm complexity can be substantial.

FUTURE SCOPE

Originally AMR devices just collected meter readings

electronically and matched them with accounts.

This can include events alarms such as tamper, leak

detection, low battery, or reverse flow.

Many AMR devices can also capture interval data, and log

meter events.

CONCLUSION

Thus I have studied RF based automatic meter reading used

in different places. I got that this technology is very useful

in present and future demand.

What was once a need for monthly data became a need for

daily and even hourly readings of the meters.

Thank You

Quires..?