# CHINT smart meter DDSU666

**URL:** https://discourse.nodered.org/t/chint-smart-meter-ddsu666/79177
**Category:** General
**Tags:** modbus
**Created:** [13 June 2023 18:57 UTC](https://discourse.nodered.org/t/chint-smart-meter-ddsu666/79177 "2023-06-13T18:57:54Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![kgakere](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/kgakere/32/46080_2.png) [@kgakere](https://discourse.nodered.org/u/kgakere)
#### Post date: [13 June 2023 18:57 UTC](https://discourse.nodered.org/t/chint-smart-meter-ddsu666/79177/1 "2023-06-13T18:57:54Z")

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I have an energy meter DDSU666.004.0006Single phase electronic energy meter that i am trying to get connected and read values using the contrib-modbus version 5.26.0.  
Has anyone come across this before?  
The addresses provided by manufacturer do not return any values.

 ![Modbus address](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/0/d/0d854022245dfa7468c61831ec8ad45e0925b81f.png)  
[Modbus energy Meter.pdf](https://discourse.nodered.org/uploads/short-url/xuTjZoOuRpTGQy6Zn8fNWJE0Lpu.pdf) (688.1 KB)  
 ![Kamanene](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/1/0/103c8c3d01beff59294408c274ee250399c2dd62.png)  
 ![Kamanene1](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/4/5/456931d437f3988934094a7d4b0bfcab8b27351c.png)

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### Author: ![magicfire](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/magicfire/32/93420_2.png) [@magicfire](https://discourse.nodered.org/u/magicfire)
#### Post date: [14 June 2023 04:41 UTC](https://discourse.nodered.org/t/chint-smart-meter-ddsu666/79177/2 "2023-06-14T04:41:33Z")

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It is a 485 meter,so why you use TCP?

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### Author: ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)
#### Post date: [13 August 2023 04:42 UTC](https://discourse.nodered.org/t/chint-smart-meter-ddsu666/79177/3 "2023-08-13T04:42:17Z")

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