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EVM Components

Part – A

District Election Office Mumbai City

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OBJECTIVE OF THE PRESENTATION

  • To make trainees aware about EVM machine.
  • Different procedures and protocols to be followed.
  • Procedure of Mock Poll
  • Sealing of different components of the EVM
  • To understand Components and parts of EVM.
  • Connections of the EVM components

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EVM – components - Ballot Unit (BU) + Control Unit (CU) + VVPAT

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Ballot Unit

VVPAT

Control Unit

  • EVM consists of Ballot Unit, Control Unit and VVPAT
  • Polling Officer presses the Ballot Button of Control Unit which enable the voter to cast his vote using Ballot Unit
  • When a voter presses a button against the candidate of his choice in Ballot Unit, red light glow against candidate of his choice in Ballot Unit.
  • A paper slip showing the serial no, name and the symbol of the candidate of his choice is generated and visible for about 7 seconds through transparent window of VVPAT
  • Thereafter, beep sound emits from the Control Unit to ensure vote has been recorded.

Operated by Polling Officer 3

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Control Unit

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CONTROL UNIT -

Enables the Ballot Unit to accept vote from the voter and stores the vote cast.

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After mock poll, CRC is to be done to clear all the previous votes.

Display will be on after all connection of EVM is done

After mock poll the close button should be used only at the End of Poll.

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Control Unit –Front View

Busy Lamp (Red)

Power ON Lamp (Green)

Display Section

Candidate Set Section

Result Section

Ballot Section

Power Pack Section

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Control Unit – Display Section

Dual Line Digital Display Panel

Power ON Lamp (Green)

Busy Lamp (Red)

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Result Section

Holes to pass thread for sealing

Inner Compartment Door

Close Button

Result Button

Inner Latches

Outer Door

Print Button

Clear Button

After the mock poll, please refrain from pressing these buttons.

After mock poll CRC is to be performed. Then the close button should be used only at the End of Poll..

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CAUTION !

CLOSE BUTTON to be pressed only at the

END* of the poll

*pressing it in Mock Poll CRC is the only exception

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BALLOT UNIT

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BALLOT UNIT - voter can franchise his / her vote by pressing a button against the candidate of his / her choice.

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A writing system (Braille Display) for blind or visually impaired people

BRAILLE

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Ballot Unit Details

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Thumb Wheel Window

Ready Lamp (Green)

Candidate’s Button

Candidate’s Lamp

Ballot Paper Screen

Interconnecting Cable to VVPAT

Braille for Blind Voters

It shows number of BU in case of multiple BU’s

Ballot Unit Details

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VVPAT

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VVPAT allows the voters to verify that their votes are cast as intended.

Voter Verifiable Paper Audit Trail

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Corresponding paper slip is visible to the voter for about 7 seconds.

Drop Box for paper slips

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A

B

EVM CONNECTIONS

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EVM CONNECTIONS

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B

V

CONNECTIONS

BU

VVPAT

(Back Side of the unit)

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V

C

CONNECTIONS

CU

(Top of the unit)

VVPAT

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Polling Station Layout

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Polling Agents

Voting Compartment

BU & VVPAT

Presiding Officer with CU

Voter

Polling Officers

No Window / Direct Sunlight

at Voter Compartment