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+--- Thread: What is the expected relay behaviour? (/showthread.php?tid=7339)
What is the expected relay behaviour? - Sheep - 01-08-2025
Hello,
I have an F16 as a test unit because I would like to install two F32s as smart home controllers, mainly for lights, in a house build working with home assistant (HA). I hope they offer a good option by being able to sense low power wired wall switched and feed in to HA and output power to smart LED lighting in each room, with the ability to physically toggle the lights should some catastrophic HA / F16 controller / network event occur. This also offers safety if work needs to be carried out.
I'm trying to understand what the behaviour is supposed to be for the output relays when controlled in software and the physical switch. I've found the same happens with ESPhome and the KCS v3 software. It is not connected to the internet (ie the Tuya module is offline).
I would expect that the circuit allows for feedback between software and physical switch control, meaning that turning on the physical switch will register as being 'on' on the software side. Similarly, I would expect that the software switch could toggle the state of the physical switch in either state, and change the red 'on,' light.
I find that there appears to be no feedback between the physical switching of the relay and the software.
The software switching alone works flawlessly and the physical toggle alone works flawlessly.
The problem is that if the software has turned the output on, the physical switch will not turn it off. If the physical switch has turned the output on this is not fed back in software and, although the software button can still be toggled, this has no effect on the relay and it remains on despite being toggled in software. This persists even if the F16 then loses internet connection. I've not found any hint in the YAML files that there is any form of sensor for the physical toggle switches, nor can I find a schematic to figure it out.
So, am I being rather daft and missing an obvious setting somewhere or is this an intended behaviour (which would be a shame and can it be changed?)?
Any help much appreciated and hope it's just me doing something wrong, as this seems like a really high quality product.
Yours,
S,
RE: What is the expected relay behaviour? - admin - 01-08-2025
you should use switch button connect to digital input port, such as wall switch panel. that digital input port will feedback state to firmware. the "physical" switch is TOP level, we design it without software, so that if controller software broken, also can work because it's "physical"! usually you will use push button (switch panel) connect to digital input ports. The "physical" switch is used in emergency situations.