Questions tagged [knx]
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4 questions
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Correct way of wiring a low-power output module to relay modules
I have a KNX digital output module called H8I8O. This module outputs several signals, each of these being 3.3V and <1mA. I want to use each signal to drive an optocoupler relay module which can be ...
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Why does a DALI relay module require external power but KNX does not?
DALI relay modules have L/N/PE inputs. KNX relay modules do not, and trigger relays on bus power alone. Given that in both cases the bus power is sufficient to flip a bistable relay, why do DALI relay ...
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How can I connect a Raspberry Pi to a 29V KNX bus?
I have a smart home system using KNX, and I want to expand to it using my own displays and sensors. I also want to replace some KNX devices with my own devices (which I will program myself)
The KNX ...
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How to control relays via KNX?
I'm trying a cost-effective way of controlling conventional non-KNX relays (impulse, solid state, bistable, contactors) with KNX devices/controllers, and am not having much luck. It seems that while ...