# Codesys 2.3 Library

**URL:** https://www.wago.community/t/codesys-2-3-library/1755
**Category:** CODESYS
**Tags:** pfc200, codesys
**Created:** [April 12, 2025, 10:37am UTC](https://www.wago.community/t/codesys-2-3-library/1755 "2025-04-12T10:37:07Z")
**Posts on this page:** 1
**Showing post:** 7

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### Author: ![Yevhen\_ea](https://avatars.discourse-cdn.com/v4/letter/y/a6a055/32.png) [@Yevhen\_ea](https://www.wago.community/u/Yevhen_ea)
#### Post date: [August 25, 2026, 3:26pm UTC](https://www.wago.community/t/codesys-2-3-library/1755/7 "2026-08-25T15:26:00Z")

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Hi, found your reply on similar topic, could you please answer this post:

> [@Modbus tcp server on different ports, 750-899](https://www.wago.community/t/modbus-tcp-server-on-different-ports-750-899/2858):
>
> Hello everyone, Which library do I need for my 750-899/… PLC if I want to listen different ports for Modbus TCP requests. The point is internal modbus server process all requests on 502 port, while I need to discriminate requests from different ports and redirect them to different IEC104 devices. Thanks for help in advance!

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