# New PMU software version 123.0 beta

**URL:** <https://community.ecumaster.com/t/new-pmu-software-version-123-0-beta/6696>\
**Category:** PMU\
**Tags:** update, how-to, document\
**Created:** [October 22, 2026, 1:13pm UTC](https://community.ecumaster.com/t/new-pmu-software-version-123-0-beta/6696 "2026-10-22T13:13:48Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![mfudala\_ECUMASTER](https://avatars.discourse-cdn.com/v4/letter/m/ac91a4/32.png) [@mfudala\_ECUMASTER](https://community.ecumaster.com/u/mfudala_ECUMASTER)\
**Post date:** [October 22, 2026, 1:13pm UTC](https://community.ecumaster.com/t/new-pmu-software-version-123-0-beta/6696/1 "2026-10-22T13:13:48Z")

</div>

New PMU software version 123.0-beta is now available.

**What’s new:**

- Outputs: new “Max DC” parameter in the soft start settings (10-100%)
- Outputs: new “.warnings” channel for outputs that use two or three pins
- Output Monitor: the Status column now shows output warnings
- CANBus Export: new “sum of data nibbles” operation in the Checksum module. More details in the updated how-to guide: [How-to Calculate CAN Checksums in PMU.pdf](https://www.ecumaster.com/files/PMU/How-to/How-to_Calculate_CAN_Checksums_in_PMU.pdf)

For more details and full list of changes, see the changelog.

**Download the latest software update and explore these new features:  
 [https://www.ecumaster.com/testVersions.html](https://www.ecumaster.com/testVersions.html)**

We appreciate your feedback - it helps us make PMU even better.

Sincerely,  
The Ecumaster Team

 ![PMU_24_community](https://europe1.discourse-cdn.com/flex013/uploads/ecumaster/original/2X/f/fd89087cec1c8068b03df0f503d9c540393ee34b.jpeg)