# Iot2040 - opcua error

**URL:** <https://discourse.nodered.org/t/iot2040-opcua-error/50216>\
**Category:** General\
**Created:** [26 August 2021 15:08 UTC](https://discourse.nodered.org/t/iot2040-opcua-error/50216 "2021-08-26T15:08:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![CaioTech](https://avatars.discourse-cdn.com/v4/letter/c/b782af/32.png) [@CaioTech](https://discourse.nodered.org/u/CaioTech)\
**Post date:** [26 August 2021 15:08 UTC](https://discourse.nodered.org/t/iot2040-opcua-error/50216/1 "2021-08-26T15:08:19Z")

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Good afternoon.

I have a SIEMENS device ( IOT2040 - 6ES7 647-0AA0-1YA2) I performed its settings according to its manual from page 10

> **[SIMATIC IOT2000 ( Setting up V2.6 ).pdf](https://drive.google.com/file/d/1iWJiN76Y3IGMIJrGE1Qn8sVrihnLdtM1/view?usp=sharing)**
>
> Google Drive file.

After installing the image on the SD we tried to install the module "node-red-contrib-opcua" but it gave me some failures:

 ![FALHAS_NODE-RED-CONTRIB-OPCUA_0.2.236](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/7/a/7accc2eda3a0111b86cda1b1b95ae83ddf746957.png)

NOTE - The image installed on the SD came with a version of OPC-UA different to the one on the website, photograph of the library installed along with the image on SD:  
 ![VERSÃO_OPCUA_NODE-RED](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/2/7/2764be4742a0af6ab0d372fc3c2a559c7ff2c5f1.png)

Below I will leave the DEBUG that is returned to me after trying to use NODE and selecting DEPLOY:

"Error: get-installed-path: module not found "node-opcua-server" in path /home/root/.node-red/node\_modules/node-red-contrib-opcua/node-opcua-server"

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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:** [25 October 2021 15:08 UTC](https://discourse.nodered.org/t/iot2040-opcua-error/50216/2 "2021-10-25T15:08:43Z")

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