!!! Caution !!!
This module was design to connect directly to the AC grid power.
Its misuse might cause ELECTRIC SHOCK or FIRE.
!!! Caution !!!- very accurate mains zero crossing detection
- fully isolated (5kV optoisolation)
- low voltage, safe output (low side can be supplied with voltages from 1V up to 16V)
- ultra-low power consumption; worst case power dissipation < 120mW
- produces symmetrical pulses around the zero crossing
- very low parts count, no precision components required
- all components can be low voltage SMD
- works over all mains voltage ranges (100VAC...240VAC), without any modification
- both 50Hz (1,2ms ZC pulse) and 60Hz (1ms ZC pulse) mains frequency compatible
- highly stable with varying temperature
- ROHS compliant (Pb-free)
- extra AC input protection (fuse and varistor)
- 4 independent AC inputs on one module
- 2 low side outputs for each AC input
- ZCD - Zero Crossing Detection pulse (HIGH level pulled to GND)
- MDL - Mains Detection Logic (HIGH when mains is detected)
- spring clamp system terminal blocks on input and output
- extra goldpin outputs on low side
- Mains detection (logical output HIGH when phase is available)
- ZCD - Zero Crossing Detection
- Mains frequency monitoring
- Checking of connection order of three phase systems
- Checking shift between phases
- Detection of power failures
- AC motor monitoring
- other...
Phase Order Detection
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https://create.arduino.cc/projecthub/andrzejco/sensor-230v-ac-for-arduino-1b1109
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https://www.eevblog.com/forum/projects/mains-zero-crossing-detection/
This project was created using Dextrel idea: https://dextrel.net/dextrel-start-page/design-ideas-2/mains-zero-crossing-detector
- Paweł 'felixd' Wojciechowski - FlameIT - Immersion Cooling