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    M
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    mniehren

    @mniehren

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    Latest posts made by mniehren

    • RE: 4-AO 0-10V extension does not bring 0-10V on all ports

      @Pablo

      i will send it back to you ...

      posted in UniPi 1Wire Extension Modules (official)
      M
      mniehren
    • RE: 4-AO 0-10V extension does not bring 0-10V on all ports

      Hi,

      power supply is 24V DC, connected in common. I thought the limit is 36 V ...

      i connected 2 actuators, which have an 0-10V input and runs with 24V AC,
      Model Honeywell M7410E1002 and M7410E1028

      best regards
      Michael

      posted in UniPi 1Wire Extension Modules (official)
      M
      mniehren
    • RE: 4-AO 0-10V extension does not bring 0-10V on all ports

      Hi Pablo,

      i thoiught i had the correct cabeling from the beginning, but i was not sure.
      So i ordered 2 more 4-AO 0-10V extensions and got them last week.
      I double checked everything and test every AO-Port and everything worked
      as excepted. It run's like a charm for 4 days ... until now.
      The same effect occurs again, but now 3 ports of the extension does not
      work anymore. 2 of them show on Analog-Out 24 V all the time. 1 shows
      always 0V. The 4. port still work's.
      As i got the same problem with the 2nd extension board, i don't think, that
      i made a fault on the first extension board.

      Because i used the UniPI with the extension for control heating , i now run
      into big problems because of the not working extension.

      posted in UniPi 1Wire Extension Modules (official)
      M
      mniehren
    • RE: 4-AO 0-10V extension does not bring 0-10V on all ports

      By the way, could it be, that CH0 and CH1 are interchanged.
      It i write adress 200 on the pca9685 then CH1 is set not CH0.
      CH2 and CH3 are set correctly. Or is it a problem with my
      extension board ?

      best regards,
      Michael

      posted in UniPi 1Wire Extension Modules (official)
      M
      mniehren
    • 4-AO 0-10V extension does not bring 0-10V on all ports

      Hi,

      i am using a 4-AO 0-10V extension and i use 24V DC as AOV on all Ports.
      If i now set 100% to all of the AO, i can measue on 2 ports 10V (like it should
      be), but on 1 Port 24V and on the other 21V. These 2 faulty output voltages do also
      not change, if i change the board trimmer.

      best regards,
      Michael

      posted in UniPi 1Wire Extension Modules (official)
      M
      mniehren
    • RE: Single Power Source Problems

      JP1 has been mounted, sorry was faulty information.
      But finaly i found the problem: 5V GND was not connected
      to the UniPI power plug, only on the mini USB.
      Thank's for you help.

      best regards
      Michael

      posted in UniPi 1 - HW Q&A
      M
      mniehren
    • RE: Single Power Source Problems

      i will send you the serial number's and some pictures later as i am not locally.

      Just to be sure, that i do not make a fault:

      • I connected the RasPI to the UniPI only with the flat cable
      • Only the UniPI is connected to the 5V Power
      • JP1 is unmounted
        Is that right ?

      best regards,
      Michael

      posted in UniPi 1 - HW Q&A
      M
      mniehren
    • RE: Single Power Source Problems

      I measured the voltage on the pinout of UniPI without the cable,
      that's what i've done.
      Only the UniPI is connected to the power, i want to avoid the
      dual sourced power.
      The cables to the DR-15-5 are also ok.

      Do you have the same effect ?

      best regards,
      Michael

      posted in UniPi 1 - HW Q&A
      M
      mniehren
    • RE: Single Power Source Problems

      The 2.1mm plug is from you and is connected to the DR -15 -5, so it should run,
      but i don't have an extra power supply with the 2.1mm plug.
      I measured the voltage between ping 2-6 and 4-6. There is always 0V with and
      without JP1 mounted or not. So i think the problem lies on the Unipi, not the cable.

      Does it run on your side with Unipi and Raspi3 on single power source ?

      best regards,
      Michael

      posted in UniPi 1 - HW Q&A
      M
      mniehren
    • RE: Single Power Source Problems

      Hi Tomas,

      that's exactly as i connected the cable. That seem's to be ok, as everything else
      (setting/resetting inputs and outputs) does work if i connected the power to
      the pi over the mini-USB port.

      Could you give me the Pins, where the 5V and GND should lie on ?

      best regards,
      Michael

      posted in UniPi 1 - HW Q&A
      M
      mniehren