09 October 2021, 18:04 | #1 |
Registered User
Join Date: Aug 2014
Location: Bologna / italy
Age: 43
Posts: 135
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A600 PSU MeanWell PSU + Voltmeter / Ammeter
Hello people, I'm going totally NUTS trying to put a Voltmeter / Ammeter on my MeanWell RT-65B PSU.
This is my ammeter / voltmeter (Back) https://ibb.co/55DTRzN As you can see there are 2 connectors. The one with 3 cables is the voltmeter + power supply. So I put the YELLOW and RED cable on MeanWell's terminal block in port +5V, while the black on MeanWell's COM. Now. I'd like to connect the ammeter but...where should I put the black and red cable? This is the guide I followed to make my MeanWell PSU. Thanks. |
10 October 2021, 07:17 | #2 |
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Join Date: Jul 2003
Location: Helsinki / Finland
Age: 43
Posts: 9,861
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The amp meter must be connected so that the current flows through it. So in series.
Contrary to a volt meter which you connect in parallel. |
10 October 2021, 19:13 | #3 |
Hardware Designer
Join Date: Aug 2018
Location: Bialystok/Poland
Age: 50
Posts: 178
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Start with the main (current) circuit.
Finally meter power supply: connect thin yellow cable to either PSU +5 V or +12 V (not to -12 V!). Thin black cable is left unconnected. Note that accuracy of these meters is rather poor, from my experience 5% on voltage, 15% on current. |
10 October 2021, 22:15 | #4 |
Bit Copying Bard
Join Date: Jan 2017
Location: Kelty, Fife, Scotland
Age: 41
Posts: 1,293
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Took me a while to work it out too, but seems to work (even if with poor accuracy)
Sorry for the huge image but it shows the wiring |
11 October 2021, 08:24 | #5 |
Registered User
Join Date: Aug 2014
Location: Bologna / italy
Age: 43
Posts: 135
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Thanks everyone I managed to install it
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