# PL2303 Prolific Eror

**URL:** <https://discourse.nodered.org/t/pl2303-prolific-eror/33431>\
**Category:** General\
**Created:** [28 September 2020 02:12 UTC](https://discourse.nodered.org/t/pl2303-prolific-eror/33431 "2020-09-28T02:12:25Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![ronaldogm6](https://avatars.discourse-cdn.com/v4/letter/r/67e7ee/32.png) [@ronaldogm6](https://discourse.nodered.org/u/ronaldogm6)\
**Post date:** [28 September 2020 02:12 UTC](https://discourse.nodered.org/t/pl2303-prolific-eror/33431/1 "2020-09-28T02:12:25Z")

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Hi guys,  
Iam new on red and iam trying learn to learn using node red for modbus protocol .  
I want to connect it to my pc and run the flow but the problem is i found eror when i connect it to my pc  
"Error: Client Not Ready To Write At State reconnecting" . It cant found the device .  
By the way, the system design i want make, i want use the PL2303 Prolific connected to Innovo 1 relay using modbus communication . Do you have any suggestion for me ?  
Thank you

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**Author:** ![ronaldogm6](https://avatars.discourse-cdn.com/v4/letter/r/67e7ee/32.png) [@ronaldogm6](https://discourse.nodered.org/u/ronaldogm6)\
**Post date:** [7 October 2020 03:14 UTC](https://discourse.nodered.org/t/pl2303-prolific-eror/33431/2 "2020-10-07T03:14:36Z")

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I solve the problem using chmod 777 but i found out new problem it was said "Modbus Failure On State sending Get More About It By Logging" and "TransactionTimedOutError: Timed out".

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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:** [6 December 2020 03:14 UTC](https://discourse.nodered.org/t/pl2303-prolific-eror/33431/3 "2020-12-06T03:14:43Z")

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