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No values returned in IN/OUT mode


Kfm
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Hi all,

 

like some other people here in the forum I also can’t get IN/OUT mode of my new FIBARO RGBW Controller (FGRGBWM-441, Firmware 25.25) working. What I try to achieve is to measure the value of IN1 to calculate soil irrigation and ground temperature on IN2 delivered from a truebner SMT50 for my garden irrigation out of that. 

 

Here the relevant parts of the manual of SMT50.

 

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I try all of this within my smart home system based on openHAB; NOT using the Home Center gateway.

 

In openHAB I set Parameter 14 to 34833 (0x8811) because of „IN - ANALOG 0-10V (SENSOR)“ on IN1 and IN2 and IN3, IN4 not connected. And I would expect the returned corresponding voltage of soil moisture on R and of ground temperature on G now. But nothing! Both channels don't deliver any value.

 

Both, the SMT50 and the RGBW Controller are feed by 24 V. When I measure the returned voltage of soil irrigation with a multimeter while the cable from the sensor is NOT placed in IN1, 0.8 Volts are returned. Placing the cable in IN1 and measuring again, 4.4 volts are returned!

 

Is that because of the effects shown up

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? If yes what must I do in my special case?

 

But the most interesting question: Why is R (and G) returned as 0? I would expect at least 4.4 V there, even if this value is wrong, because it should be 0.8?

 

What am I doing wrong? Could anyone please help me with that.

 

 

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