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23/01/2020

āϝ⧇ Decice āĻāϰ āĻŽāĻžāĻ§ā§āϝāĻŽā§‡ DC āĻĨ⧇āϕ⧇ AC āϤ⧈āϰāĻŋ āĻ•āϰāĻž āϝāĻžā§Ÿ āϤāĻžāϕ⧇ Inverter āĻŦāϞ⧇ āĨ¤ DC āĻĨ⧇āϕ⧇ AC Fixed āĻšāϤ⧇ āĻĒāĻžāϰ⧇, Variable āĻ“ āĻšāϤ⧇ āĻĒāĻžāϰ⧇ āĨ¤ āĻ•āĻŋāĻ¨ā§āϤ⧁ Industry āϤ⧇ Ac Motor āĻāϰ Speed Control āĻ•āϰāĻžāϰ āϜāĻ¨ā§āϝ āĻŽā§‚āϞāϤ Variable Inverter āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰāĻž āĻšā§Ÿ āĨ¤

Industry āϤ⧇ āĻŦāĻŋāĻ­āĻŋāĻ¨ā§āύ āϧāϰāύ⧇āϰ Variable Inverter āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰāĻž āĻšā§Ÿ :-

VFI/VFD Variable Frequency Inverter/Drive(IGBT/IPM)
VVCI Variable Voltage Control Inverter(TRIAC)
VVVFI Variable Voltage Variable Frequency Inverter(IGBT & TRIAC)
VFI āĻāϰ āϏ⧁āĻŦāĻŋāϧāĻž:-

VFI āĻĻāĻŋā§Ÿā§‡ āϏāĻšāĻœā§‡āχ Motor āĻāϰ āĻ—āϤāĻŋ Control āĻ•āϰāĻž āϝāĻžā§Ÿ āĨ¤
Motor āĻāϰ Over Voltage, Over Current, Over Temperature, Phase Fault Protection āĻĻāĻŋāϤ⧇ āĻĒāĻžāϰ⧇ āĨ¤
Output Curent āĻŦ⧇āĻļā§€ āĻĒāĻžāĻ“ā§ŸāĻž āϝāĻžā§Ÿ āĨ¤

āϝāĻĻāĻŋ Automation Device Or PLC āύāĻŋā§Ÿā§‡ āϕ⧋āύ Problem āĻĨāĻžāϕ⧇ āϤāĻžāĻšāϞ⧇ Comment āĻ•āϰ⧇ āϜāĻžāύāĻžāĻŦ⧇āύ āĨ¤

23/01/2020

History of PLC:

āĻĒā§āϰāĻĨāĻŽ PLC āφāĻŦāĻŋāĻˇā§āĻ•āĻžāϰ āĻ•āϰ⧇āύ Modicon Company āϝāĻž āφāϜāϕ⧇ Schneider Company āύāĻžāĻŽā§‡ āĻĒāϰāĻŋāϚāĻŋāϤ āϝāĻžāϰ āύāĻžāĻŽ āĻ›āĻŋāϞ Sequence Controller ⧧⧝ā§Ŧ⧝ āϏāĻžāϞ⧇ āϝāĻžāϰ āĻŽāĻĄā§‡āϞ āĻ›āĻŋāϞ 084 āĻŦāĻŋāĻœā§āĻžāĻžāύ⧀āϰ āύāĻžāĻŽ āĻ›āĻŋāϞ Morley āϤāĻžāχ Morley āϕ⧇ PLC āĻāϰ āĻŽāĻžāĻĻāĻžāϰ āĻŦāϞ⧇āĨ¤āϤāĻŦ⧇ āĻŦāĻžāύāĻŋāĻœā§āϝāĻŋāĻ• āĻ­āĻžāĻŦ⧇ āϤāĻž āĻŽāĻžāĻ°ā§āϕ⧇āϟ āĻĒāĻžā§Ÿ āύāĻž āĻāϰ āĻĒāϰ ā§§ā§¯ā§­ā§Š āϏāĻžāϞ⧇ Michael Greenberg āĻŦāĻžāύāĻŋāĻœā§āϝāĻŋāĻ• PLC āφāĻŦāĻŋāĻˇā§āĻ•āĻžāϰ āĻ•āϰ⧇āύ āϝāĻžāϰ Model āĻ›āĻŋāϞ 184 āĨ¤

PLC āĻ•āĻŋ?

āĻĒāĻŋ āĻāϞ āϏāĻŋ (PLC) āĻšāϞ āĻĒā§āϰ⧋āĻ—ā§āϰāĻžāĻŽāĻāĻŦāϞ āϞāϜāĻŋāĻ• āĻ•āĻ¨ā§āĻŸā§āϰ⧋āϞāĻžāϰ (Programmable Logic Controller)āĨ¤ āĻĒāĻŋ āĻāϞ āϏāĻŋ āĻāĻ•āϟāĻŋ āĻĄāĻŋāĻ­āĻžāχāϏ āϝāĻžāϰ āĻŽāĻžāĻ§ā§āϝāĻŽā§‡ āĻ…āϤāĻŋ āϏāĻšāĻœā§‡āχ āĻ…āĻ¨ā§āϝāĻžāĻ¨ā§āϝ āϝāĻ¨ā§āĻ¤ā§āϰ āĻ•āĻ¨ā§āĻŸā§āϰ⧋āϞ āĻ•āϰāĻž āϝāĻžāϝāĻŧ, āϕ⧋āύāĻ“ āϕ⧋āύāĻ“ āĻ•ā§āώ⧇āĻ¤ā§āϰ⧇ āĻāϟāĻŋ āĻŽāĻžāχāĻ•ā§āϰ⧋āĻ•āĻ¨ā§āĻŸā§āϰ⧋āϞāĻžāϰ āĻŦāĻŋāĻ•āĻ˛ā§āĻĒ āĻšāĻŋāϏāĻžāĻŦ⧇ āĻ•āĻžāϜ āĻ•āϰ⧇āĨ¤ āĻŽāĻžāχāĻ•ā§āϰ⧋āĻ•āĻ¨ā§āĻŸā§āϰ⧋āϞāĻžāϰ āĻāĻŦāĻ‚ āĻĒāĻŋ āĻāϞ āϏāĻŋāϰ āĻŽāĻ§ā§āϝ⧇ āĻĒāĻžāĻ°ā§āĻĨāĻ•ā§āϝ āĻšāϞ, āĻŽāĻžāχāĻ•ā§āϰ⧋āĻ•āĻ¨ā§āĻŸā§āϰ⧋āϞāĻžāϰ āϜāĻ¨ā§āϝ āĻĒā§āϰ⧋āĻ—ā§āϰāĻžāĻŽ āϞ⧇āĻ–āĻžāϰ āĻĒā§āϰāϝāĻŧā§‹āϜāύ āĻšāϝāĻŧ āĻ•āĻŋāĻ¨ā§āϤ⧁ āĻĒāĻŋ āĻāϞ āϏāĻŋāϤ⧇ āϞ⧇āĻĄāĻžāϰ āĻĄāĻžāϝāĻŧāĻžāĻ—ā§āϰāĻžāĻŽā§‡āϰ āĻŽāĻžāĻ§ā§āϝāĻŽā§‡ āĻ•āĻžāϜāϟāĻŋ āĻ…āϤāĻŋ āϏāĻšāĻœā§‡āχ āĻ•āϰāĻž āϝāĻžāϝāĻŧāĨ¤

Advantage of PLC:

ā§§āĨ¤ Size āϛ⧋āϟ āĻšā§ŸāĨ¤ āĻĢāϞ⧇ Industry Controlling āĻ•āϰāϤ⧇ āϜāĻžā§ŸāĻ—āĻž āĻ•āĻŽ āϞāĻžāϗ⧇āĨ¤

⧍āĨ¤ Computer āĻāϰ āϏāĻžāĻĨ⧇ Plant āĻāϰ Communication āĻ•āϰāĻž āϝāĻžā§ŸāĨ¤

ā§ŠāĨ¤ Energy Save āĻ•āϰ⧇āĨ¤

ā§ĒāĨ¤ Technical Person/Educated Person āĻāϰ āϜāĻ¨ā§āϝ Trouble Shooting āĻ•āϰāĻž Easy.

5āĨ¤ āϤ⧁āϞāύāĻžāĻŽā§‚āϞāĻ• āĻ­āĻžāĻŦ⧇ Cost āĻ•āĻŽ āϞāĻžāϗ⧇ āϜāϟāĻŋāϞ Controlling System Design āĻ•āϰāϤ⧇āĨ¤

ā§ŦāĨ¤ High Speed

ā§­āĨ¤ Production āĻŦ⧇āĻļā§€ āĻšā§ŸāĨ¤

ā§ŽāĨ¤ āϜāύāĻŦāϞ āĻ•āĻŽ āϞāĻžāϗ⧇āĨ¤

Disadvantage of PLC:

ā§§āĨ¤ āϤ⧁āϞāύāĻžāĻŽā§‚āϞāĻ• āĻ­āĻžāĻŦ⧇ cost āĻŦ⧇āĻļā§€ āϞāĻžāϗ⧇ Easy Circuit Design āĻ•āϰāϤ⧇āĨ¤

⧍āĨ¤ Engr./Educated Person āĻ›āĻžā§œāĻž āĻ•āĻžāϜ āĻ•āϰāĻž āĻ•āĻ āĻŋāύ āĻšā§ŸāĨ¤

ā§ŠāĨ¤ Non Technical Person/Educated Person āύāĻž āĻšāϞ⧇ āĻ•āĻžāϜ āĻ•āϰāĻž āĻ•āĻ āĻŋāύ āĻšā§ŸāĨ¤

Application of PLC:

Textile.

¡ Spinning

¡ Biomedical

¡ Pharmaceutical

¡ Chemical

¡ Cement Factory

¡ Home Automation

¡ Food Factory

¡ Robots Manufacturing and controlling, etc.

Brand Name of PLC:

āĻŦāĻžāĻ‚āϞāĻžāĻĻ⧇āĻļ⧇ āϏāĻŦāĻšā§‡ā§Ÿā§‡ āĻŦ⧇āĻļāĻŋ āĻŦā§āϝāĻŦāĻšā§āϰāϤ āĻšā§Ÿ

¡ Siemens
¡ Mitsubishi
¡ Delta
¡ LS
¡ Omron
¡ Allen Bradley
¡ Schneider
¡ Fatek
¡ Panasonic

PLC Programming Language:
1. Ladder Diagram (LD)
2. Function Block Diagram (FBD)
3. Instruction List (IL)
4. Structural Text (ST)
5. Sequential Function Chart (SFC)
āϝāĻĻāĻŋ Automation Device Or PLC āύāĻŋā§Ÿā§‡ āϕ⧋āύ Problem āĻĨāĻžāϕ⧇ āϤāĻžāĻšāϞ⧇ Comment āĻ•āϰāĻŦ⧇āύ āĨ¤ āφāĻĨāĻŦāĻž āϝāĻĻāĻŋ āϕ⧋āύ Device āϏāĻŽāĻ¨ā§āϧ⧇ āϜāĻžāύāĻžāϰ āĻĨāĻžāϕ⧇āĨ¤ āĻĒāϰāĻŦāĻ°ā§āϤ⧀ āϕ⧋āύ Device āύāĻŋā§Ÿā§‡ Article āϞāĻŋāĻ–āĻŦ Comment āĻ•āϰāĻŦ⧇āύāĨ¤ āĻĒāϰāĻŦāĻ°ā§āϤ⧀āϤ⧇ āϏ⧇āχ āĻŦāĻŋāϏ⧟ āύāĻŋā§Ÿā§‡ āφāϞ⧋āϚāύāĻž āĻ•āϰāĻŦā§‹āĨ¤

23/01/2020

āĻĒāĻŋ āĻāϞ āϏāĻŋ (PLC) āĻšāϞ āĻĒā§āϰ⧋āĻ—ā§āϰāĻžāĻŽāĻāĻŦāϞ āϞāϜāĻŋāĻ• āĻ•āĻ¨ā§āĻŸā§āϰ⧋āϞāĻžāϰ (Programmable Logic Controller)āĨ¤ āĻĒāĻŋ āĻāϞ āϏāĻŋ āĻāĻ•āϟāĻŋ āĻĄāĻŋāĻ­āĻžāχāϏ āϝāĻžāϰ āĻŽāĻžāĻ§ā§āϝāĻŽā§‡ āĻ…āϤāĻŋ āϏāĻšāĻœā§‡āχ āĻ…āĻ¨ā§āϝāĻžāĻ¨ā§āϝ āϝāĻ¨ā§āĻ¤ā§āϰ āĻ•āĻ¨ā§āĻŸā§āϰ⧋āϞ āĻ•āϰāĻž āϝāĻžāϝāĻŧ, āϕ⧋āύāĻ“ āϕ⧋āύāĻ“ āĻ•ā§āώ⧇āĻ¤ā§āϰ⧇ āĻāϟāĻŋ āĻŽāĻžāχāĻ•ā§āϰ⧋āĻ•āĻ¨ā§āĻŸā§āϰ⧋āϞāĻžāϰ āĻŦāĻŋāĻ•āĻ˛ā§āĻĒ āĻšāĻŋāϏāĻžāĻŦ⧇ āĻ•āĻžāϜ āĻ•āϰ⧇āĨ¤ āĻŽāĻžāχāĻ•ā§āϰ⧋āĻ•āĻ¨ā§āĻŸā§āϰ⧋āϞāĻžāϰ āĻāĻŦāĻ‚ āĻĒāĻŋ āĻāϞ āϏāĻŋāϰ āĻŽāĻ§ā§āϝ⧇ āĻĒāĻžāĻ°ā§āĻĨāĻ•ā§āϝ āĻšāϞ, āĻŽāĻžāχāĻ•ā§āϰ⧋āĻ•āĻ¨ā§āĻŸā§āϰ⧋āϞāĻžāϰ āϜāĻ¨ā§āϝ āĻĒā§āϰ⧋āĻ—ā§āϰāĻžāĻŽ āϞ⧇āĻ–āĻžāϰ āĻĒā§āϰāϝāĻŧā§‹āϜāύ āĻšāϝāĻŧ āĻ•āĻŋāĻ¨ā§āϤ⧁ āĻĒāĻŋ āĻāϞ āϏāĻŋāϤ⧇ āϞ⧇āĻĄāĻžāϰ āĻĄāĻžāϝāĻŧāĻžāĻ—ā§āϰāĻžāĻŽā§‡āϰ āĻŽāĻžāĻ§ā§āϝāĻŽā§‡ āĻ•āĻžāϜāϟāĻŋ āĻ…āϤāĻŋ āϏāĻšāĻœā§‡āχ āĻ•āϰāĻž āϝāĻžāϝāĻŧāĨ¤

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