Im student. i doing this project using mikroC compiler. i totally no idea abt pulse. pls give some information and example of codes.
thank you.

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AUTOMATIC METER READING SYSTEMS


  METER READING SYSTEMS.ppt (Size: 541 KB / Downloads: 2)

Definition

AMR
Automatic Remote Meter Reading .
Automating the process of measurement through digital communication techniques.

Critical Benefits from AMRS

Ability to detect tamper events and outage occurrences.
Remotely Connect/ Disconnect power supply through meter.
Calculate transformer loading and sizing from interval data
15 minute interval data gives accurate load information for supply scheduling, switching operations, planning etc
Monitor voltage at each premise to know conditions when to operate capacitor switches or regulators
Consistent and granular data for improved accuracy.

Meter interface module

The AMR system starts at the meter. Some means of translating readings from rotating meter dials, or cyclometer style meter dials, into digital form is necessary in order to send digital metering data from the customer site to a central point.
Electro - optical interface
Signal Processing Electronics
RAM & Program Memory

Retrofit Card

Consists of a single PCB, which converts CF pulses of Electronic Energy Meters to Electrical pulses, accumulate them and generate a meter reading with help of Microprocessor.
Microprocessor converts this data into Power Line Modulation.
Existing Meter Reading, Meter Constant and Meter ID is stored in NV RAM of Micro controller, before Retrofit is made operational.
One unit is incremented when Retrofit senses the pulses equal to Meter constant.
The incremented unit are stored in the NV RAM of the Micro controller.

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