# \#frequency **URL:** https://community.victronenergy.com/tag/frequency/39.md [Latest](https://community.victronenergy.com/latest.md) · [Categories](https://community.victronenergy.com/categories.md) · [Tags](https://community.victronenergy.com/tags.md) --- ## [Behavior differences between Multiplus II models in splitphase regarding 50/60hz input frequency](https://community.victronenergy.com/t/behavior-differences-between-multiplus-ii-models-in-splitphase-regarding-50-60hz-input-frequency/61244)
**Author:** [@mbernoski](https://community.victronenergy.com/u/mbernoski)\ **Replies:** 4\ **Last updated:** [30 August 2026 21:27 UTC](https://community.victronenergy.com/t/behavior-differences-between-multiplus-ii-models-in-splitphase-regarding-50-60hz-input-frequency/61244 "2026-08-30T21:27:43Z")
Hi All! I have an extremely detailed use case question that I used AI to help me ensure my language was verbose enough but it was immediately rejected and so instead I will ask and do the inevitable days of back and for… --- ## [How to configure a Multi RS Solar to accept a wider AC IN frequency range?](https://community.victronenergy.com/t/how-to-configure-a-multi-rs-solar-to-accept-a-wider-ac-in-frequency-range/61032)
**Author:** [@thomas\_castaldi](https://community.victronenergy.com/u/thomas_castaldi)\ **Replies:** 4\ **Last updated:** [3 August 2026 18:06 UTC](https://community.victronenergy.com/t/how-to-configure-a-multi-rs-solar-to-accept-a-wider-ac-in-frequency-range/61032 "2026-08-03T18:06:49Z")
Hi everyone, I’m working on an off grid mountain hut installation composed of the following components : 6kW IREM turbine 7kWc solar array 3 x Pylontech US5000 Multi RS Solar 48/6000/100 to manage everything Some dat… --- ## [Multiplus-II 120V System frequency](https://community.victronenergy.com/t/multiplus-ii-120v-system-frequency/59518)
**Author:** [@tonic](https://community.victronenergy.com/u/tonic)\ **Replies:** 4\ **Last updated:** [23 June 2026 01:29 UTC](https://community.victronenergy.com/t/multiplus-ii-120v-system-frequency/59518 "2026-06-23T01:29:31Z")
Hi all, I recently discovered that the new Multiplus-II 48V 120V are different then the old units. The main difference is that the system frequency can not be changed from 60Hz to 50Hz. Does anyone know when this chan… --- ## [Node-RED logic to disconnect AC-in based on unstable grid frequency](https://community.victronenergy.com/t/node-red-logic-to-disconnect-ac-in-based-on-unstable-grid-frequency/52111)
**Author:** [@peter](https://community.victronenergy.com/u/peter)\ **Replies:** 2\ **Last updated:** [21 January 2026 21:48 UTC](https://community.victronenergy.com/t/node-red-logic-to-disconnect-ac-in-based-on-unstable-grid-frequency/52111 "2026-01-21T21:48:39Z")
Hi all, I’d like to start a discussion for controlling AC-in connection/disconnection based primarily on grid frequency stability, not just voltage. Background / why We recently installed our first grid-tied Multi RS s… --- ## [Multis erhöhen periodisch MG Frequenz auf 53Hz und deaktivieren Fronius](https://community.victronenergy.com/t/multis-erhohen-periodisch-mg-frequenz-auf-53hz-und-deaktivieren-fronius/49120)
**Author:** [@gigavolt](https://community.victronenergy.com/u/gigavolt)\ **Replies:** 13\ **Last updated:** [24 November 2025 13:34 UTC](https://community.victronenergy.com/t/multis-erhohen-periodisch-mg-frequenz-auf-53hz-und-deaktivieren-fronius/49120 "2025-11-24T13:34:10Z")
Hallo zusammen, ich habe die Frage schon im internationalen Bereich gestellt, probiere auch hier mit der Hoffnung, dass jemand von euch eine Idee hat. Nach der Installation vor 3 Jahren hat FSPC funktioniert. Vor 1 Jahr … --- ## [Frequency Shift default settings Adjustment](https://community.victronenergy.com/t/frequency-shift-default-settings-adjustment/48660)
**Author:** [@lawrence](https://community.victronenergy.com/u/lawrence)\ **Replies:** 2\ **Last updated:** [14 November 2025 02:15 UTC](https://community.victronenergy.com/t/frequency-shift-default-settings-adjustment/48660 "2025-11-14T02:15:40Z")
I have an off grid system i support that has AC coupled Fronius, Pylontech batteries and DC coupled water turbine and ACTHOR power diverters running in frequency mode. The system operates as expected so no actual issues… --- ## [Frequency shifting during AC ignore assistance](https://community.victronenergy.com/t/frequency-shifting-during-ac-ignore-assistance/48218)
**Author:** [@lashchenko](https://community.victronenergy.com/u/lashchenko)\ **Replies:** 5\ **Last updated:** [11 November 2025 13:45 UTC](https://community.victronenergy.com/t/frequency-shifting-during-ac-ignore-assistance/48218 "2025-11-11T13:45:07Z")
Hi, I’m using two assistants: “ESS with Fronius” and “AC Ignore AC Input using the Generator Assistant.” I’m facing an issue — when AC power is present, the inverter shows significant frequency fluctuations, changing f… --- ## [Micro Inverter plus Victron 3 Phase System](https://community.victronenergy.com/t/micro-inverter-plus-victron-3-phase-system/9978)
**Author:** [@Marc\_HD](https://community.victronenergy.com/u/Marc_HD)\ **Replies:** 7\ **Last updated:** [3 November 2024 09:02 UTC](https://community.victronenergy.com/t/micro-inverter-plus-victron-3-phase-system/9978 "2024-11-03T09:02:44Z")
Dear community, since yesterday (01.11.2024) I added to my off-grid 3 phase (230V europe) system: 3 multiplus II (48/5000/70-50) 11.4kW (peak) panels connected to Victron SmartSolar MPPT RS 450/200 14.4 kWh battery (…