diy solar

diy solar

Data extraction from inverters

so close yet so far.. all booted up, and connected as discussed. no data showing on Grafana . I have the wifi stick disconnected and I have connected straight into the molex, yellow and blue. AB to the same usb stick as you. i have tried all 4 usb ports... lsusb lists device as shown

graf.png
pi485.png

further investigation is showing my rs485 stick as TTY USB0 should this be USB1?

I welcome any help, many thanks
 

Attachments

  • tty.png
    tty.png
    40.9 KB · Views: 6
Last edited:
Mrfunk said:
so close yet so far.. all booted up, and connected as discussed. no data showing on Grafana . I have the wifi stick disconnected and I have connected straight into the molex, yellow and blue. AB to the same usb stick as you. i have tried all 4 usb ports... lsusb lists device as shown

View attachment 92833
View attachment 92832

further investigation is showing my rs485 stick as TTY USB0 should this be USB1?

I welcome any help, many thanks
Click to expand...
ok, went into node red, serial and clicked serial, and selected usb0... now looks as if the mqtt is not connecting? just a thought as it stays on connecting.
 

Attachments

  • mqtt.png
    mqtt.png
    180.3 KB · Views: 30
  • node_serial.png
    node_serial.png
    36.1 KB · Views: 27
updated the sertalking.pngial port to usb 0 and manually started mqtt (now showing connected) still no data on the grafanna page .. looks like we are talking ;)
 
It doesn't use MQTT, that is for a separate output double check that your USB to RS485 doesnt have the A & B swapped over, try connecting a to b and b to a
 
Just downloaded the Solis image and installed it on a RP4, loads up to the login prompt and I've tried using the default credentials but they dont appear to work. Have they changed?

PS New to the site and I'm glad I've joined.
 
Bella101uk said:
Just downloaded the Solis image and installed it on a RP4, loads up to the login prompt and I've tried using the default credentials but they dont appear to work. Have they changed?

PS New to the site and I'm glad I've joined.
Click to expand...
What login, Grafana? is admin and olivetti
 
Bella101uk said:
Just downloaded the Solis image and installed it on a RP4, loads up to the login prompt and I've tried using the default credentials but they dont appear to work. Have they changed?

PS New to the site and I'm glad I've joined.
Click to expand...
 
Hi have you enable SSH on the pi ?
PS sorry I don't use this image so not able to check if it's enabled by default.
 
Hi, you can.
Just Google "enable SSH on a raspberry pi".
You just need to add a file to the SD card.
I am a little busy at mo but if you get stuck let me know.
PS everyone makes this mistake when first playing with a pi ?
 
g0emf said:
No the image is for a Sofar ME3000SP & it is working. But I need the credentials for the Pi & Grafana logins.
I can see the Wiki for the forum is being updated as I type, but the credential are incorrect.
Dave
Click to expand...
G0emf, I've just noticed that you had the same problems logging into the Pi. I can access Node Red and Grafana and I can now get a login prompt if I SSH onto it. I just dont know what the correct username and password is, it doesn't appear to be pi & raspberry
 
SSH is enabled by default on all my images, the username is pi and the password is raspberry. I have just double checked this and it works.
 
I've used a different program to burn the image to the sd card and this worked perfectly. thanks for the help
 
Hello @shavermcspud

Hoping you can shed some light on my challenges getting this running on my side.
I flashed the image file, but on boot Grafana, InfluxDB and MQTT does not startup. There's likely more not working that I've yet to discover.
I purged Grafana, InfluxDB and MQTT and reinstalled. All running now. I get to the dashboard now but there isn't any data loading.

pi@raspberrypi:~ $ ls /dev/*USB*
/dev/ttyUSB0
pi@raspberrypi:~ $ lsusb
Bus 001 Device 002: ID 0403:6001 Future Technology Devices International, Ltd FT232 Serial (UART) IC
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

My RS485 to USB adapter shows as /dev/ttyUSB0. Change the serial-port in Global config on NodeRed to reflect this. I'm certain I'm cabled up properly - A to A and B to B.

I'm likely missing something obvious and was hoping you can point me in the right direction.
 
Joeyhza said:
Hello @shavermcspud

Hoping you can shed some light on my challenges getting this running on my side.
I flashed the image file, but on boot Grafana, InfluxDB and MQTT does not startup. There's likely more not working that I've yet to discover.
I purged Grafana, InfluxDB and MQTT and reinstalled. All running now. I get to the dashboard now but there isn't any data loading.

pi@raspberrypi:~ $ ls /dev/*USB*
/dev/ttyUSB0
pi@raspberrypi:~ $ lsusb
Bus 001 Device 002: ID 0403:6001 Future Technology Devices International, Ltd FT232 Serial (UART) IC
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

My RS485 to USB adapter shows as /dev/ttyUSB0. Change the serial-port in Global config on NodeRed to reflect this. I'm certain I'm cabled up properly - A to A and B to B.

I'm likely missing something obvious and was hoping you can point me in the right direction.
Click to expand...

What inverter do you have?
 
For reference, I've written a set-up guide for Grafana (both on Pi and vanilla Debian) on the wiki here:

diysolarforum.com

Data Communication

This section deals with data communication protocols and visualization tools for charge controllers, battery management systems, inverters and others. It includes set-up guides for tools such as Grafana, on R-Pi and other platforms.
diysolarforum.com diysolarforum.com

In addition to the scripts for MUST inverter/charge controller and JK BMS, I also just published a script to read data from a Victron Multiplus-II using the MK3 USB interface:

github.com

GitHub - PurpleAlien/victron-multiplus_grafana: Victron Multiplus Inverter to Grafana

Victron Multiplus Inverter to Grafana. Contribute to PurpleAlien/victron-multiplus_grafana development by creating an account on GitHub.
github.com github.com
 
Has anybody using Influxdb run into the compaction issue yet with a large db?

My db is >2gb now and on Raspbian32bit & Influx 1.8 I'm looping on compaction that fails with memory issues. Seems to be due to Influx trying to map the db into memory and it exceeds addressable space.

I have no CQ or RP setup (other than infinite)
 
shavermcspud said:
Are you 100% sure you have the connections right from the USB to RS485 connector?
Click to expand...
Yes. Absolutely positive the connections are right.

I suspect grafana, influx and mosquitto were all broken after flashing because your image is likely meant for something that's not a Pi Zero perhaps?
I've got grafana, influx and mosquitto all running just fine now though. Double, triple checked that the connection from RS485 to inverter is right. Swapped them about as well. Still shows "no Data"
 
Joeyhza said:
Yes. Absolutely positive the connections are right.

I suspect grafana, influx and mosquitto were all broken after flashing because your image is likely meant for something that's not a Pi Zero perhaps?
I've got grafana, influx and mosquitto all running just fine now though. Double, triple checked that the connection from RS485 to inverter is right. Swapped them about as well. Still shows "no Data"
Click to expand...
Ah yes, its not for the Pi zero, the Pi zero doesn't support the versions of OS or grafana/nodered.
 
You must log in or register to reply here.

Similar threads

J
Solis/ Ginlong Modbus Comms
Replies
7
Views
3K
rpdom
R
meetyg
What kind of data is available on the different ports of MPP/Voltronic/clones ?
Replies
0
Views
860
meetyg
meetyg
S
Monitoring data from my MPP LV2424 with Python, MQTT, and InfluxDB
Replies
10
Views
3K
smr.ruby
S
bsmith993
Hello from a data freak
Replies
14
Views
929
Craig
Craig
Steve_S
Indirectly BMS-Inverter + RS232/RS485 to TCPIP/Ethernet conversion with USRIOT server
Replies
11
Views
2K
Steve_S
Steve_S

diy solar

diy solar
Back
Top