Function blocks: by purpose

• Math and comparison (43)
• Logic and latches (21)
• Timers and time (52)
• Counters (17)
• Type conversion and composition (51)
• Strings (14)
• Signal processing, switches, selection (35)
• Control (PID, valves) (25)
• Heating, HVAC and heat sources (29)
• Time programs (schedules) (6)
• Alarms (16)
• Energy monitoring (2)
• Communication and messaging (12)
• HMI helpers (2)
• System functions (8)
• Hardware-specific (Unipi, Jablotron) (6)

Blocks that are in no purpose group (base classes for your own blocks) are listed in the A–Z index.

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