The scenario
A home automation system manages solar energy, battery charging, and grid tie inverter based on solar availability, battery state, and grid health.
What is in this drawing
Read the decisions behind it.
01
Use latching coils to maintain charge and grid tie commands independently of momentary conditions
02
Parallel branches allow manual override for both charging and grid tie
03
Emergency stop and grid loss trigger unlatch of both outputs
When designing PLC-based home energy controllers that integrate solar, battery storage, and grid tie functions.
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