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Raspberry Pi Forum PiFace Digital an Sainsmart 8 Relais Module
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PiFace Digital an Sainsmart 8 Relais Module

knebb
knebb over 9 years ago

Hallo Leute,

 

ich versuche verzweifelt, ein Saintsmart 8fach Relais Modul mit dem PiFaceDigital (auf einem RasbPi B) zu steuern.

 

Folgenderweise habe ich angeschlossen:

PiFace auf dem Pi, Stromversorgung vom Pi aus.

Python gestartet, ich kann die Output Module steuern (digital_write(0,1)) und die LEDs gehen an.

Jetzt habe ich den 5V Ausgang auf die 5V beim Sainsmart gelegt und die anderen Output Pins auf die jeweiligen Input des Relaisboard. Auf dem Relaisboard habe ich an JD-VCC ein weiteres 5V Netzteil angeschlossen und dessen image an GND (neben JDVCC).

Wenn ich jetzt (via Python p.digital_write(0,1)) die einzelnen Ausgänge am PiFace schalte, leuchten entsprechend die LEDs sowohl am PiFace als auch am Relaisboard. Aber an der Sekundärseite (230V) passiert rein garnichts! Lampe bleibt an (bzw. aus) und ist von den LEDs vollkommen unbeeindruckt...

 

Jemand eine Idee, was ich falsch gemacht haben könnte?

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  • knebb
    0 knebb over 9 years ago

    Erledigt. Polung für die VCC der Relais war vertauscht...

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  • clem57
    0 clem57 over 9 years ago in reply to knebb

    So it works? Great.

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