need wiring diagram please

[Wayne September 8, 2018 at 7:48 pm Post count: 0]

#30213 Reply |

i have the drok pzem 031 with built in shunt. Two wires for DC + and – in. Two wires to load. Sounds easy but I can’t get it to work. I have a camper van 2 12v batteries for 12volt supply I would like to take the 12volts from the batteries to power the meter and I want to meter the current load the supplies my whole camper from those 2 batteries as well. For DC 12 volts in can I take the power directly from battery terminals + and – then also take the load directly from the same battery terminals as well. That doesn’t seem right, because then I could just run + and – from battery terminals to drok dc + and –  in to power the meter and also jumper at the meter from + dc in to + load and from drok dc – in to load -. If thats the case the I would only have two wires coming to the meter and two jumpers at the meter. Please can you show me a correct wiring diagram. Thanks for your help.

[DrokKeymaster September 9, 2018 at 10:19 am Post count: 2971]

#30216 Reply |

Hello Wayne,

Please kindly refer to the following image.

Best regards.

[Neil Williams October 23, 2018 at 4:43 am Post count: 0]

#35166 Reply |

Hi Wayne,

I am trying to achieve the same thing on my caravan. Did the supplied diagram answer you question as I dont see it as being any different to the schematic on the back of the PZEM-031. I also am wondering how you measure the load on your house battery. Did you try your idea of jumper wires?

 

Neil

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