HomeMatic IP HmIP-PCBS Installations- Und Bedienungsanleitung Seite 33

(1) Controlling a switch input (in this case a microprocessor con-
troller) and power supplied by this circuit:
(2) Controlling a switch input (in this case a microprocessor con-
troller) and power supplied by own power source:
(3) Controlling an external relay (with free-wheeling diode) or a
lamp load of up to 0.5 A with load supplied by the input volt-
age:
Start-up
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