# Reading Serial ASCII with Wago 750-8212

**URL:** <https://www.wago.community/t/reading-serial-ascii-with-wago-750-8212/2456>\
**Category:** CODESYS\
**Created:** [December 5, 2025, 9:49pm UTC](https://www.wago.community/t/reading-serial-ascii-with-wago-750-8212/2456 "2025-12-05T21:49:07Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Steve](https://avatars.discourse-cdn.com/v4/letter/s/f19dbf/32.png) [@Steve](https://www.wago.community/u/Steve)\
**Post date:** [December 5, 2025, 9:49pm UTC](https://www.wago.community/t/reading-serial-ascii-with-wago-750-8212/2456/1 "2025-12-05T21:49:07Z")

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Is an example VAR declarations and Program code available for reading serial ASCII using the serial port on the 750-8212 PLC? Thank you.

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**Author:** ![WagoTorgeir](https://sea2.discourse-cdn.com/flex016/user_avatar/www.wago.community/wagotorgeir/32/78_2.png) [@WagoTorgeir](https://www.wago.community/u/WagoTorgeir)\
**Post date:** [December 6, 2025, 2:22pm UTC](https://www.wago.community/t/reading-serial-ascii-with-wago-750-8212/2456/2 "2025-12-06T14:22:34Z")

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Try this one:

[CDS\_3.5.19.x\_WagoAppCom\_Test\_1.project](https://wago.sharepoint.com/:u:/s/O_36_Customer_Downloads/IQAE593bSomyQ4U34_I3qAAPAXfwGJ53craewH-fIvzs5fo?e=YJQTXt)

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**Author:** ![Steve](https://avatars.discourse-cdn.com/v4/letter/s/f19dbf/32.png) [@Steve](https://www.wago.community/u/Steve)\
**Post date:** [December 6, 2025, 4:49pm UTC](https://www.wago.community/t/reading-serial-ascii-with-wago-750-8212/2456/3 "2025-12-06T16:49:16Z")

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Mr. Torgeir,

Thank you for the program code. I will obtain a serial communication card for the K-bus and give this a go.

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**Author:** ![quenorha](https://sea2.discourse-cdn.com/flex016/user_avatar/www.wago.community/quenorha/32/429_2.png) [@quenorha](https://www.wago.community/u/quenorha)\
**Post date:** [December 8, 2025, 6:43am UTC](https://www.wago.community/t/reading-serial-ascii-with-wago-750-8212/2456/4 "2025-12-08T06:43:49Z")

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You should be able to easily switch to the built-in serial port by using COM1 as the input interface of the function block.

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**Author:** ![Steve](https://avatars.discourse-cdn.com/v4/letter/s/f19dbf/32.png) [@Steve](https://www.wago.community/u/Steve)\
**Post date:** [December 8, 2025, 2:55pm UTC](https://www.wago.community/t/reading-serial-ascii-with-wago-750-8212/2456/5 "2025-12-08T14:55:49Z")

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Yes, thank you for your suggestion.