I need to make a connection to an energy meter via Wi-Fi. The meter has an RS485 port (modbus, 9600). There is no way to permanently route the wires. I have an ESP8266. I found a program on the internet but it does not control the direction line on the MAX485. How can this be done?

Here's an article on the subject: Added after 3 [minutes]: The Souliss project is also interesting:

.Thank you for your help. I also came across this topic, even tried the program, it works.

[Solved] Directional line control on MAX485 with ESP8266 for RS485 Wi-Fi energy meter

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#1 18227286 19 Oct 2019 08:47

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Post #1
18227286 19 Oct 2019 08:47

I need to make a connection to an energy meter via Wi-Fi. The meter has an RS485 port (modbus, 9600). There is no way to permanently route the wires. I have an ESP8266. I found a program on the internet but it does not control the direction line on the MAX485. How can this be done?
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#2 18227615 19 Oct 2019 12:55

Anonymous Anonymous

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18227615 19 Oct 2019 12:55

Here's an article on the subject: https://www.elektroda.pl/rtvforum/topic3401567.html

Added after 3 [minutes]:

The Souliss project is also interesting:
https://github.com/souliss/souliss/wiki/ESP8266-to-RS485
#3 18228175 19 Oct 2019 19:09

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Post #3
18228175 19 Oct 2019 19:09

khoam wrote:
Here's an article on the subject: https://www.elektroda.pl/rtvforum/topic3401567.html
.
Thank you for your help. I also came across this topic, even tried the program, it works.
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[Solved] Directional line control on MAX485 with ESP8266 for RS485 Wi-Fi energy meter

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