# PLC password nodered

**URL:** <https://discourse.nodered.org/t/plc-password-nodered/18545>\
**Category:** General\
**Created:** [28 November 2019 10:41 UTC](https://discourse.nodered.org/t/plc-password-nodered/18545 "2019-11-28T10:41:52Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![pranavthakkar](https://avatars.discourse-cdn.com/v4/letter/p/e99b99/32.png) [@pranavthakkar](https://discourse.nodered.org/u/pranavthakkar)\
**Post date:** [28 November 2019 10:41 UTC](https://discourse.nodered.org/t/plc-password-nodered/18545/1 "2019-11-28T10:41:52Z")

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Hi  
I have my siemens plc password protected now the s7 communication node is not getting the value from it how can i access it?

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**Author:** ![jcp](https://avatars.discourse-cdn.com/v4/letter/j/51bf81/32.png) [@jcp](https://discourse.nodered.org/u/jcp)\
**Post date:** [11 March 2020 12:02 UTC](https://discourse.nodered.org/t/plc-password-nodered/18545/2 "2020-03-11T12:02:48Z")

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Hi pranavthakkar,  
Have you found the answer for the authentication?