# \#product-specific **URL:** https://community.opal-rt.com/tag/product-specific/109.md [Latest](https://community.opal-rt.com/latest.md) · [Categories](https://community.opal-rt.com/categories.md) · [Tags](https://community.opal-rt.com/tags.md) --- ## [OpComm block stays at 1 input/output, and I get a port width error when I update my model](https://community.opal-rt.com/t/opcomm-block-stays-at-1-input-output-and-i-get-a-port-width-error-when-i-update-my-model/1798)
**Author:** [@jakub](https://community.opal-rt.com/u/jakub)\ **Replies:** 1\ **Last updated:** [October 23, 2026, 3:59pm UTC](https://community.opal-rt.com/t/opcomm-block-stays-at-1-input-output-and-i-get-a-port-width-error-when-i-update-my-model/1798 "2026-10-23T15:59:02Z")
hello everyone, I’m trying to connect my model to RT-LAB but when I try to verify my model on Simulink once adding the RTLAB blocks, I’m having some error with the OpComm block. My error messages: \*\*Error in port width… --- ## [Model runs offline but fails during RT-LAB code separation — GetArtemisInfo error](https://community.opal-rt.com/t/model-runs-offline-but-fails-during-rt-lab-code-separation-getartemisinfo-error/654)
**Author:** [@Juan](https://community.opal-rt.com/u/Juan)\ **Replies:** 2\ **Last updated:** [October 14, 2026, 7:59pm UTC](https://community.opal-rt.com/t/model-runs-offline-but-fails-during-rt-lab-code-separation-getartemisinfo-error/654 "2026-10-14T19:59:30Z")
Hello everyone, My Simulink model runs successfully offline, but I cannot compile it in RT-LAB. The build fails during the “Preparing original model for code separation and generation” stage with the following error: “… --- ## [How many OP8666 do I need to simulate 7 level three phase MMC using eHs](https://community.opal-rt.com/t/how-many-op8666-do-i-need-to-simulate-7-level-three-phase-mmc-using-ehs/263)
**Author:** [@Vincent\_Jiang](https://community.opal-rt.com/u/Vincent_Jiang)\ **Replies:** 2\ **Last updated:** [October 13, 2026, 3:49pm UTC](https://community.opal-rt.com/t/how-many-op8666-do-i-need-to-simulate-7-level-three-phase-mmc-using-ehs/263 "2026-10-13T15:49:58Z")
I want to do simulation of 7 level three phase MMC using eHs and OP8666. I am not sure if one OP8666 is enoguh or not. 7 level three phase MMC needs 36 PWM signals, and the second stage is DAB converter. --- ## [Running eHS on an OP5600 with OP5142 card: target missing in Schematic Editor and OP5142 library empty in MATLAB](https://community.opal-rt.com/t/executer-lehs-sur-un-op5600-avec-carte-op5142-cible-absente-du-schematic-editor-et-bibliotheque-op5142-vide-dans-matlab/250)
**Author:** [@CosmicNewt51](https://community.opal-rt.com/u/CosmicNewt51)\ **Replies:** 3\ **Last updated:** [October 7, 2026, 12:30pm UTC](https://community.opal-rt.com/t/executer-lehs-sur-un-op5600-avec-carte-op5142-cible-absente-du-schematic-editor-et-bibliotheque-op5142-vide-dans-matlab/250 "2026-10-07T12:30:22Z")
Hello everyone, I am trying to run the eHS solver on an OP5600 chassis equipped with an OP5142 card, and I am stuck on two points. \*Configuration Target: OP5600 chassis with an OP5142\_1 card (EX bus) Bit… --- ## [Title: OP5600 with RT-LAB 2022.1 and eHS Solver License – FPGA Compatibility and Model Partitioning](https://community.opal-rt.com/t/title-op5600-with-rt-lab-2022-1-and-ehs-solver-license-fpga-compatibility-and-model-partitioning/249)
**Author:** [@CosmicNewt51](https://community.opal-rt.com/u/CosmicNewt51)\ **Replies:** 2\ **Last updated:** [October 4, 2026, 12:01pm UTC](https://community.opal-rt.com/t/title-op5600-with-rt-lab-2022-1-and-ehs-solver-license-fpga-compatibility-and-model-partitioning/249 "2026-10-04T12:01:00Z")
Hello everyone, I am working with an OPAL-RT OP5600 HIL simulator, RT-LAB 2022.1, and an eHS Solver license. I would like to use the eHS SE S-Function Driver to simulate a bidirectional electric vehicle battery charger … --- ## [Live Webinar Sept. 10: HIL Validation for Data Center Power Infrastructure with GridStor](https://community.opal-rt.com/t/live-webinar-sept-10-hil-validation-for-data-center-power-infrastructure-with-gridstor/192)
**Author:** [@Parija](https://community.opal-rt.com/u/Parija)\ **Replies:** 1\ **Last updated:** [September 10, 2026, 8:07am UTC](https://community.opal-rt.com/t/live-webinar-sept-10-hil-validation-for-data-center-power-infrastructure-with-gridstor/192 "2026-09-10T08:07:45Z")
Data center power systems are becoming increasingly interconnected. Grid interaction, protection, energy management, backup power, dynamic loads, and power conversion all need to work together reliably before deployment. … --- ## [Can OP8110 Amplifier operate at "Current Source" mode?](https://community.opal-rt.com/t/can-op8110-amplifier-operate-at-current-source-mode/191)
**Author:** [@Vincent\_Jiang](https://community.opal-rt.com/u/Vincent_Jiang)\ **Replies:** 2\ **Last updated:** [September 9, 2026, 1:48am UTC](https://community.opal-rt.com/t/can-op8110-amplifier-operate-at-current-source-mode/191 "2026-09-09T01:48:00Z")
I am using the OPAL-RT platform to do inverter testing now. I connected a PV inverter (GFL) with OP8110 of the OPAL-RT platform. OP8110 (Power Amplifer )is operated in Voltage Source mode. If I want to connect GFM inv… --- ## [SPS Software vs. Simscape Electrical: Choosing the Right Tool for Electrical System Simulation](https://community.opal-rt.com/t/sps-software-vs-simscape-electrical-choosing-the-right-tool-for-electrical-system-simulation/172)
**Author:** [@Mo.mansour](https://community.opal-rt.com/u/Mo.mansour)\ **Replies:** 0\ **Last updated:** [August 20, 2026, 8:26pm UTC](https://community.opal-rt.com/t/sps-software-vs-simscape-electrical-choosing-the-right-tool-for-electrical-system-simulation/172 "2026-08-20T20:26:19Z")
The evolution of electrical systems is driving increased demand for simulation tools that can accurately model complex networks while maintaining practical performance and scalability. As engineers work on renewable ener… --- ## [How can I connect an AI server and OPAL-RT](https://community.opal-rt.com/t/how-can-i-connect-ai-server-and-opal-rt/162)
**Author:** [@Vincent\_Jiang](https://community.opal-rt.com/u/Vincent_Jiang)\ **Replies:** 4\ **Last updated:** [August 18, 2026, 7:09pm UTC](https://community.opal-rt.com/t/how-can-i-connect-ai-server-and-opal-rt/162 "2026-08-18T19:09:50Z")
Does anyone know how to connect an AI server and OPAL-RT? The AI server can be modeled as an AI server, and the workload profile can be transferred to OPAL-RT. --- ## [Python API / Sequencer does not work when a HYPERSIM model is already open](https://community.opal-rt.com/t/python-api-sequencer-does-not-work-when-a-hypersim-model-is-already-open/139)
**Author:** [@RAVITEJA](https://community.opal-rt.com/u/RAVITEJA)\ **Replies:** 3\ **Last updated:** [July 31, 2026, 2:17pm UTC](https://community.opal-rt.com/t/python-api-sequencer-does-not-work-when-a-hypersim-model-is-already-open/139 "2026-07-31T14:17:11Z")
Hello Team, I am using HYPERSIM 2025.2.1 and trying to use the Python API / Sequencer functionality. Initially, I thought the issue was related to the Python version because I was testing with Python 3.14. After furthe… --- ## [RT-LAB 2026.1 Released: Enhanced Compatibility, Advanced Modeling, and Improved User Experience](https://community.opal-rt.com/t/rt-lab-2026-1-released-enhanced-compatibility-advanced-modeling-and-improved-user-experience/114)
**Author:** [@InesEb](https://community.opal-rt.com/u/InesEb)\ **Replies:** 0\ **Last updated:** [July 20, 2026, 3:14pm UTC](https://community.opal-rt.com/t/rt-lab-2026-1-released-enhanced-compatibility-advanced-modeling-and-improved-user-experience/114 "2026-07-20T15:14:29Z")
OPAL-RT has released RT-LAB 2026.1, delivering expanded compatibility with the latest MATLAB and Simulink versions, along with new modeling capabilities and usability improvements for real-time simulation workflows. Thi… --- ## [HYPERSIM 2026.2 Released: Expanding Native IBR Modeling and Programmable Simulation Workflows](https://community.opal-rt.com/t/hypersim-2026-2-released-expanding-native-ibr-modeling-and-programmable-simulation-workflows/113)
**Author:** [@InesEb](https://community.opal-rt.com/u/InesEb)\ **Replies:** 0\ **Last updated:** [July 20, 2026, 3:10pm UTC](https://community.opal-rt.com/t/hypersim-2026-2-released-expanding-native-ibr-modeling-and-programmable-simulation-workflows/113 "2026-07-20T15:10:19Z")
OPAL-RT has released HYPERSIM 2026.2, introducing new capabilities that expand native WECC-based IBR modeling, enhance programmability for large-scale model creation, and improve ePHASORSIM workflows. This release adds …