Download all the Simulation, Click : Lock Unlock Door
Information on Numbers for Detail the Lock Unlock Door For Home Automation :
1. KeyPad with 10 Numeric and 1 Enter (Numeric KeyPad)
2. Lock Indicator using Green LED (Light Emitting Diode)
3. Electromagetic Lock using DC Source
4. Door closure Sensor
5. Door Exit Button
6. PLC (Programmable Logic Controller)
7. Relay With Relay Coil using 240 Volt AC Source
8. Battrey
9. Automatic Battery Charger
For wiring Numeric KeyPad, click : Password PLC
Note: For PLC Output using PLC Output Units Relay
Number Of Inputs and Output PLC applied :
1. Number Of Inputs PLC is 13 Input :
--- 11 Unit Input from Numeric KeyPad
--- 1 Unit Input from Door closure Sensor
--- 1 Unit Input from Door Exit Button
--- Total Number Of Inputs PLC is Minimum 13 Input Unit.
2. Number Of Output PLC is 1 Output :
--- 1 Unit Output to Relay Coil (Used for Electromagetic Lock and Green LED)
--- Total Number Of Outputs PLC is Minimum 1 Output Unit.
Sequence PLC Programming for Lock Unlock Door :
1. Keypad and Password
For workings of keypad and password,
click : Password PLC
OUTDOOR
2. Correct Password (Password OK) and Wrong Password
Unlock Door
a. If Password OK then Relay Coil = ON ( Electromagetic Lock = OFF AND Green LED = OFF ).
Lock Door
b. If Wrong Password then Relay Coil = OFF ( Electromagetic Lock = ON AND Green LED = ON ).
3. Open Door
Unlock Door
a. If Relay Coil = ON Then Door can be opened.
4. Lock Door by Door position
a. If Door position from OPEN to CLOSED AND Door Closure Sensor = ON Then Relay Coil = OFF ( Electromagetic Lock = ON ).
b. If Relay Coil = ON AND Door Closure Sensor = ON Then Activate the Timer for 30 seconds.
c. If Timer = ON Then Relay Coil = OFF ( Electromagetic Lock = ON ).
INDOOR
5. Exit with Door Exit Button
a. If Door Exit Button = ON Then Relay Coil = ON ( Electromagetic Lock = OFF AND Green LED = OFF ).
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