# Elfin ew11 mqtt integration nodered

**URL:** <https://discourse.nodered.org/t/elfin-ew11-mqtt-integration-nodered/58250>\
**Category:** General\
**Created:** [13 February 2022 08:04 UTC](https://discourse.nodered.org/t/elfin-ew11-mqtt-integration-nodered/58250 "2022-02-13T08:04:54Z")\
**Posts on this page:** 6\
**Page:** 1

<div class="post-metadata">

**Author:** ![xjust](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/xjust/32/39096_2.png) [@xjust](https://discourse.nodered.org/u/xjust)\
**Post date:** [13 February 2022 08:04 UTC](https://discourse.nodered.org/t/elfin-ew11-mqtt-integration-nodered/58250/1 "2022-02-13T08:04:54Z")

</div>

Anybody played with elfin ew11 modbus rtu to wifi/rj45 converter in nodered through its mqtt protocol ?

I am looking for a function create the right packages for it read/write holding registers, and decode the response back to integer values.

thanks

---

<div class="post-metadata">

**Author:** ![bbaixo](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/bbaixo/32/56378_2.png) [@bbaixo](https://discourse.nodered.org/u/bbaixo)\
**Post date:** [13 February 2022 19:07 UTC](https://discourse.nodered.org/t/elfin-ew11-mqtt-integration-nodered/58250/2 "2022-02-13T19:07:29Z")

</div>

You can try with [node-red-contrib-modbus (node) - Node-RED (nodered.org)](https://flows.nodered.org/node/node-red-contrib-modbus)

I can't put my EW11 work with this, but I triying.

---

<div class="post-metadata">

**Author:** ![FrankAB](https://avatars.discourse-cdn.com/v4/letter/f/ee59a6/32.png) [@FrankAB](https://discourse.nodered.org/u/FrankAB)\
**Post date:** [13 February 2022 20:19 UTC](https://discourse.nodered.org/t/elfin-ew11-mqtt-integration-nodered/58250/3 "2022-02-13T20:19:31Z")

</div>

My NR reads the data from the energy meter and inverter with EE11 and sends it to MQTT.  
I have no need to write.

---

<div class="post-metadata">

**Author:** ![xjust](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/xjust/32/39096_2.png) [@xjust](https://discourse.nodered.org/u/xjust)\
**Post date:** [13 February 2022 20:35 UTC](https://discourse.nodered.org/t/elfin-ew11-mqtt-integration-nodered/58250/4 "2022-02-13T20:35:43Z")

</div>

Care to share frank?  
I am trying to read data without opening any ports from external network with ew11. This is why im thinking mqtt as a middle hub.

---

<div class="post-metadata">

**Author:** ![FrankAB](https://avatars.discourse-cdn.com/v4/letter/f/ee59a6/32.png) [@FrankAB](https://discourse.nodered.org/u/FrankAB)\
**Post date:** [14 February 2022 16:32 UTC](https://discourse.nodered.org/t/elfin-ew11-mqtt-integration-nodered/58250/5 "2022-02-14T16:32:52Z")

</div>

[EE11A-DDS-Modbus Read.json](https://discourse.nodered.org/uploads/short-url/hRQx4HbuUUjTsEHRLW10EnkMrLz.json) (11.4 KB)  
[EE11A-KTL-Modbus Read.json](https://discourse.nodered.org/uploads/short-url/1GjJjVp0qLjynahWS6VMlfK7Ydq.json) (19.2 KB)

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [15 April 2022 16:32 UTC](https://discourse.nodered.org/t/elfin-ew11-mqtt-integration-nodered/58250/6 "2022-04-15T16:32:58Z")

</div>

This topic was automatically closed 60 days after the last reply. New replies are no longer allowed.