Combine 2 PZEM Energy Meters online monitoring with Blynk App using NodeMCU for Solar.
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- เผยแพร่เมื่อ 28 มิ.ย. 2020
- This project shows you how to DIY online monitoring for more than 1 PZEM meter using Blynk App, NodeMCU and 2 PZEM Energy Meters. The two PZEM meters can be of PZEM-014 or PZEM-016 AC Energy Meters, PZEM-017 DC Energy Meters or combined of AC and DC Energy meter. The system just send data from the commercial Energy Meter to the Blynk Server which has a web interface for online monitoring through its app. It is very suitable for recording Solar PV System or household energy or power consumption. For more information, kindly go to my blog page.
Solarduino blog page : solarduino.com/how-to-combine...
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Thanks very much for this video. With your help I have managed to get a modified version of your sketches working on a Clone Nano using Softwareserial and your modified Modbusmaster library. My plan is to use the 2 x PZEM016 to measure solar generated power and load power. Subtracting one from the other I can get grid import/export power. By using a software PID controller (part of Nano sketch) with a fixed power setpoint of zero, I can automatically adjust the battery charging rate to achieve zero grid import or export where possible during daylight hours whilst keeping the battery topped up as much as possible. This should reduce my utility bill. Thanks again for your help. Your videos and write ups are very clear and useful. Keep up the good work!
good men
Thanks for the great video. Will this have bi-directional capabilities? For example, will the PZEM-016 (AC) be able to measure when I am consuming or feeding energy to the grid?
this is so nice I was looking for something like this thank you
I do have a question how hard is to make 2 x AC and 1 x DC code?
also i dont know anyyhing about blynk, I like to know if I use this code can I monitor outside my home network for example from work using my cell phone data or from my parents using their wifi
thank you so much
Hi
The mobile app no longer available in the United State for iPhone
Is there another app I can used
hi I am not able to solve the address collision problem, sometimes it can show both AC and DC, and after some time the value cannot be saved. Where should I solve the problem?
nice vid! Will I be able to use this to monitor my 3 phase energy usage at home?
Hi, for 3 phase better get the digital power meter for monitoring. It will be alot easier in wiring. Most of them should come with rs485 communication protocol to allow user to collect data..
@@solarduino1374 can use it to measured 3 phase also right?
congratulations on the video, the software provided by PZEM, can I change the slave address?
Yes you can. If you have the programming cable (Serial USB port to RS485), PZEM software allows user to set address and shunt rating (for DC meter). You need to activate voltage measurement port in order to set the address.
Ok, I Will buy PZEM dc and Ac monitoring using the PLC .
Thank you Very much!
How can I use it with 2 sets of pzem-004T
Please show me. Thank you
2 dc meter, I set a address 0x02,why dont it changed?
Can you share code combine 3 pzem 2 dc and 1 ac. I try copy code in this blog..but the meter pzem dc only one reading data meter?.thanks
Can I use esp32 dev kit with this?
Come faccio a cambiare indirizzo ?
can i use 3 pzem 017?
Technically it should work but you may need to modify the code quite abit especially to overcome the congested traffic to Blynk app
2 ac code not working, please cek email, please help me🙏
I tried to install it and follow the instruction but I only can get one data meter either one or two. Please help me how to set the address step,, thanks
Hi, it seems there are many people facing the same issue as the main problem is the addresses are not sussessfully set via the code (sometimes it may not work). In order to set the address with successfully, I suggest you to get the USB to rs485 cable and set it manually via pc software. After changed the address, it should work then.
@@solarduino1374 any reference can I follow?
Thank you
@@kusm4nLim hi, in my blog I have attached the software for the PZeM to change address, you just need to get the USB to rs485 cable
@@solarduino1374 ok Thanks
I found same code may be miss type.
On the line Blynk.virtualwrite(v5,Pzemvoltage) I think it would have 2 Pzemvoltage2.
Correct me if I wrong.
Thanks
@@solarduino1374 its working. After I reset the address again.
Thank you very much
2 X DC Energy Meter.ino NOT WORKING
Most probably is address setting issue. Kindly double check the address. If you have serial USB RS485 cable, try set using manufacturer software..
@@solarduino1374 I did as instructed in your blog. How to install them?
@@solarduino1374 2 DC pzem they share the same address.
For example
Blynk.virtualWrite (V0, PZEMVoltage);
Blynk.virtualWrite (V5, PZEMVoltage);
They share a V0 address
Kindly send your issues at solarduino.com@gmail.com...We can have private chat via email. Thanks