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Comparators — Greater Than, Less Than, Equal

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शाळेतील Maths Class — हे आपण आधीच शिकलो आहोत

Teacher विचारतात: "23 हे 24 पेक्षा greater आहे का?" तुम्ही दोन numbers compare करता आणि एक उत्तर देता — yes किंवा no. तो एक comparator आहे.

Greater Than ( > ) — Pressure Cooker

Safety rule: जर pressure 2 bar पेक्षा जास्त झाले → release valve उघडते.

Pressure 1.8 bar  →  1.8 > 2.0?  →  FALSE  →  Valve stays closed
Pressure 2.3 bar → 2.3 > 2.0? → TRUE → Valve opens

BMS उदाहरण — high temp alarm:

Supply air temp = 19°C, limit = 18°C → 19 > 18 → TRUE → Alarm raised

Less Than ( < ) — घरातील Water Tank

Low level: जर level 20% च्या खाली आली → pump चालू होतो.

Level 45%  →  45 < 20?  →  FALSE  →  Pump stays off
Level 15% → 15 < 20? → TRUE → Pump starts

Equal To ( = ) — Lift Door

Lift door तेव्हाच उघडते जेव्हा cabin floor level ला बरोबर असते. वर नाही. खाली नाही. बरोबर equal.

Cabin at Floor 3 = Floor 3 sensor → Equal → Door opens

BMS उदाहरण — commissioning दरम्यान Modbus register verification:

Expected value = 100, read value = 100 → Equal → Communication verified
Expected value = 100, read value = 87 → Not equal → Check wiring

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