# \#error **URL:** https://forum.plexim.com/tag/error/118.md [Latest](https://forum.plexim.com/latest.md) · [Categories](https://forum.plexim.com/categories.md) · [Tags](https://forum.plexim.com/tags.md) --- ## [How to simulate a device with known V-I Equation](https://forum.plexim.com/t/how-to-simulate-a-device-with-known-v-i-equation/674)
**Author:** [@calcupen](https://forum.plexim.com/u/calcupen)\ **Replies:** 3\ **Last updated:** [September 20, 2026, 11:34pm UTC](https://forum.plexim.com/t/how-to-simulate-a-device-with-known-v-i-equation/674 "2026-09-20T23:34:03Z")
I am trying to simulate a metal oxide varistor. Since PLECS does not have this component, I have tried simulating it with a C-script block, a function block, or a 1D lookup table block. Attached I have the circuit I have… --- ## ["Encountered 5 consecutive,overruns on core0, terminating" in RTBox](https://forum.plexim.com/t/encountered-5-consecutive-overruns-on-core0-terminating-in-rtbox/1812)
**Author:** [@Camberlam](https://forum.plexim.com/u/Camberlam)\ **Replies:** 1\ **Last updated:** [February 20, 2025, 2:31pm UTC](https://forum.plexim.com/t/encountered-5-consecutive-overruns-on-core0-terminating-in-rtbox/1812 "2025-02-20T14:31:36Z")
Hello: I used four npc half-bridge power modules with a transformer to create a npc-dab, the offline simulation is working however when i applied to the RTBox it shows the error like topic. shoud i use other components … --- ## [I got error :”Derivative is infinite or NaN” when i use 'Fixed step'. What should I do?](https://forum.plexim.com/t/i-got-error-derivative-is-infinite-or-nan-when-i-use-fixed-step-what-should-i-do/1799)
**Author:** [@lovesutdy](https://forum.plexim.com/u/lovesutdy)\ **Replies:** 5\ **Last updated:** [February 19, 2025, 2:53pm UTC](https://forum.plexim.com/t/i-got-error-derivative-is-infinite-or-nan-when-i-use-fixed-step-what-should-i-do/1799 "2025-02-19T14:53:20Z")
bat.plecs (178.9 KB) --- ## [Different results of thermal simulation in different computer](https://forum.plexim.com/t/different-results-of-thermal-simulation-in-different-computer/1357)
**Author:** [@Subhash\_Naliyapara](https://forum.plexim.com/u/Subhash_Naliyapara)\ **Replies:** 3\ **Last updated:** [May 7, 2024, 11:02am UTC](https://forum.plexim.com/t/different-results-of-thermal-simulation-in-different-computer/1357 "2024-05-07T11:02:09Z")
Hello, I simulated a similar PLECS model in two different computer with same a thermal model for inverter in PLECS but I got different thermal results in other computer. I have also cross checked all settings and parame… --- ## [PLECS Blockset error when using electrical ports](https://forum.plexim.com/t/plecs-blockset-error-when-using-electrical-ports/1226)
**Author:** [@New\_user](https://forum.plexim.com/u/New_user)\ **Replies:** 1\ **Last updated:** [April 10, 2023, 10:58am UTC](https://forum.plexim.com/t/plecs-blockset-error-when-using-electrical-ports/1226 "2023-04-10T10:58:06Z")
Hi, I am a new user of PLECS blockset and was familiarising myself with the components used to interface between Simulink and PLECS blockset. I was trying to use the electrical port block to connect simulink and PLECS b… --- ## [Negative conduction loss due to high temperatures](https://forum.plexim.com/t/negative-conduction-loss-due-to-high-temperatures/1190)
**Author:** [@Ulca](https://forum.plexim.com/u/Ulca)\ **Replies:** 2\ **Last updated:** [December 19, 2022, 3:44am UTC](https://forum.plexim.com/t/negative-conduction-loss-due-to-high-temperatures/1190 "2022-12-19T03:44:32Z")
Hi Kris, I have a similar problem, too. But my current value in the error is normal. However, junction temperature is way higher. But I do not believe that the error is in the heatsink. I compared my xml file with a prov… --- ## [SR Flip Flop Error - Input signal 2 has not been initialized](https://forum.plexim.com/t/sr-flip-flop-error-input-signal-2-has-not-been-initialized/1088)
**Author:** [@Andrew](https://forum.plexim.com/u/Andrew)\ **Replies:** 2\ **Last updated:** [February 10, 2022, 4:29pm UTC](https://forum.plexim.com/t/sr-flip-flop-error-input-signal-2-has-not-been-initialized/1088 "2022-02-10T16:29:09Z")
Hello, I’m trying to simulate a dc/dc converter + a control part for it, but I encounter an error on the SR Flip Flop block: Input signal 2 has not been initialized. Can anyone suggest to me how I can solve this proble… --- ## [Using different data types for a 3D Table](https://forum.plexim.com/t/using-different-data-types-for-a-3d-table/1087)
**Author:** [@dr00mprins](https://forum.plexim.com/u/dr00mprins)\ **Replies:** 1\ **Last updated:** [February 1, 2022, 5:22pm UTC](https://forum.plexim.com/t/using-different-data-types-for-a-3d-table/1087 "2022-02-01T17:22:18Z")
Hi, I have tables/arrays with different data types (double precision, single precision, half precision, uint8, …) stored in the Matlab workspace. I want to use these different data types in the PLECS 3D-Table and comp… --- ## [Issue of multiple Zero-crossing events during small time duration- ERROR](https://forum.plexim.com/t/issue-of-multiple-zero-crossing-events-during-small-time-duration-error/1049)
**Author:** [@adeel1](https://forum.plexim.com/u/adeel1)\ **Replies:** 5\ **Last updated:** [September 1, 2021, 6:52pm UTC](https://forum.plexim.com/t/issue-of-multiple-zero-crossing-events-during-small-time-duration-error/1049 "2021-09-01T18:52:48Z")
My simulation works sometimes without and sometimes with the message: Simulink will stop the simulation of model ‘MODEL\_NAME’ because the 1 zero crossing signal(s) identified below caused 1000 consecutive zero crossing … --- ## [Discrete time simulation of electrical machine control system](https://forum.plexim.com/t/discrete-time-simulation-of-electrical-machine-control-system/858)
**Author:** [@Nardi](https://forum.plexim.com/u/Nardi)\ **Replies:** 6\ **Last updated:** [September 14, 2020, 2:46pm UTC](https://forum.plexim.com/t/discrete-time-simulation-of-electrical-machine-control-system/858 "2020-09-14T14:46:12Z")
Dear all, I am currently modellig a control structure for a synchronous machine. I’m using a discrete solver and every controller of mine is discretized and build according to the Tustin method. After starting the simul… --- ## [PLECS executable cannot be started. Why?](https://forum.plexim.com/t/plecs-executable-cannot-be-started-why/837)
**Author:** [@Hannes](https://forum.plexim.com/u/Hannes)\ **Replies:** 2\ **Last updated:** [August 27, 2020, 6:45am UTC](https://forum.plexim.com/t/plecs-executable-cannot-be-started-why/837 "2020-08-27T06:45:06Z")
Hello, i am running a Simulink(Plecs Blockset) Simulation on a HPC Compute cluster and on the frontend it runs fine, however if i submit it to the compute nodes with a batch script it crashes. This is the output when i … --- ## [How to resolve this error: Derivate is infinite or NaN](https://forum.plexim.com/t/how-to-resolve-this-error-derivate-is-infinite-or-nan/734)
**Author:** [@snehathakur](https://forum.plexim.com/u/snehathakur)\ **Replies:** 3\ **Last updated:** [July 13, 2020, 11:17pm UTC](https://forum.plexim.com/t/how-to-resolve-this-error-derivate-is-infinite-or-nan/734 "2020-07-13T23:17:31Z")
Hi While running my simulation I get the following error at about 0.1 simulation time. This started occurring when i changed the PI parameters for a voltage controller for inverter which is connected in parallel to PV … --- ## [Error when using python script to simulate plecs](https://forum.plexim.com/t/error-when-using-python-script-to-simulate-plecs/746)
**Author:** [@lzx](https://forum.plexim.com/u/lzx)\ **Replies:** 1\ **Last updated:** [May 29, 2020, 2:36pm UTC](https://forum.plexim.com/t/error-when-using-python-script-to-simulate-plecs/746 "2020-05-29T14:36:02Z")
computer system version :windows 10 professionalpython version : 3.7.0PLECS version :4.3.6Hi, when I was using the python script to simulate PLECS model ( a CLLC resonant DAB with dead time effect), this error occured oc… --- ## [Implementation error: No port for terminal](https://forum.plexim.com/t/implementation-error-no-port-for-terminal/773)
**Author:** [@Hasan8](https://forum.plexim.com/u/Hasan8)\ **Replies:** 6\ **Last updated:** [May 14, 2020, 6:15pm UTC](https://forum.plexim.com/t/implementation-error-no-port-for-terminal/773 "2020-05-14T18:15:39Z")
Hi, I am running a MATLAB simulation with PLECS Blockset. In my PLECS Blockset, there is a grid model embedded inside a subsystem. Using Signal inport and signal outport, i am feeding in and taking the signals from the … --- ## [Parse error by initialisation](https://forum.plexim.com/t/parse-error-by-initialisation/745)
**Author:** [@christi](https://forum.plexim.com/u/christi)\ **Replies:** 4\ **Last updated:** [March 10, 2020, 11:37am UTC](https://forum.plexim.com/t/parse-error-by-initialisation/745 "2020-03-10T11:37:16Z")
Hallo Ladys and gentleman, after initialising the parameters in circuits. I I got this error which I don’t understand. " Initialization commands of model ‘can’ cannot be evaluated: parse error:syntax error" . Did someo… --- ## [Program logs for out of memory error](https://forum.plexim.com/t/program-logs-for-out-of-memory-error/727)
**Author:** [@snehathakur](https://forum.plexim.com/u/snehathakur)\ **Replies:** 2\ **Last updated:** [January 24, 2020, 12:50pm UTC](https://forum.plexim.com/t/program-logs-for-out-of-memory-error/727 "2020-01-24T12:50:41Z")
Hi I am getting ‘out of memory error’ for one of my simulations. I have tried all the steps mentioned in technical solutions for out of memory error, but nothing helps. I even tried running the model on a separate syste… --- ## [What does error evaluating parameter 'Resistance' mean?](https://forum.plexim.com/t/what-does-error-evaluating-parameter-resistance-mean/716)
**Author:** [@aymanhabib](https://forum.plexim.com/u/aymanhabib)\ **Replies:** 1\ **Last updated:** [November 5, 2019, 7:07pm UTC](https://forum.plexim.com/t/what-does-error-evaluating-parameter-resistance-mean/716 "2019-11-05T19:07:57Z")
--- ## [About step size](https://forum.plexim.com/t/about-step-size/611)
**Author:** [@yanshaofei333](https://forum.plexim.com/u/yanshaofei333)\ **Replies:** 1\ **Last updated:** [January 17, 2019, 1:54pm UTC](https://forum.plexim.com/t/about-step-size/611 "2019-01-17T13:54:31Z")
i build a model and run it in Plecs (discrete state with 1e-7 step size) it works quite well. the RT box hat a minimal sample time of 1 micro sec (1e-6), so i change the plecs parameter to 1e-6, but when i build the mo… --- ## [My PLECS RT Box is unable to connect to the computer via ethernet cable](https://forum.plexim.com/t/my-plecs-rt-box-is-unable-to-connect-to-the-computer-via-ethernet-cable/606)
**Author:** [@vit\_danfoss](https://forum.plexim.com/u/vit_danfoss)\ **Replies:** 3\ **Last updated:** [January 17, 2019, 12:08pm UTC](https://forum.plexim.com/t/my-plecs-rt-box-is-unable-to-connect-to-the-computer-via-ethernet-cable/606 "2019-01-17T12:08:51Z")
--- ## [The simulation always stops with the compare unit](https://forum.plexim.com/t/the-simulation-always-stops-with-the-compare-unit/601)
**Author:** [@YuJin](https://forum.plexim.com/u/YuJin)\ **Replies:** 1\ **Last updated:** [December 18, 2018, 4:23am UTC](https://forum.plexim.com/t/the-simulation-always-stops-with-the-compare-unit/601 "2018-12-18T04:23:06Z")
I run the simulation model and it always remind me as Fig.I. When I change the setting according to the reminder as Fig.II the simulation still stuck there but no reminder shows anymore. --- ## [The variable step and fixed step are giving different output voltages](https://forum.plexim.com/t/the-variable-step-and-fixed-step-are-giving-different-output-voltages/600)
**Author:** [@archit](https://forum.plexim.com/u/archit)\ **Replies:** 3\ **Last updated:** [December 13, 2018, 3:04am UTC](https://forum.plexim.com/t/the-variable-step-and-fixed-step-are-giving-different-output-voltages/600 "2018-12-13T03:04:44Z")
I am trying to simulate a model which is attached here. Dead time given is 2us. So when I am using variable step with max step size as 1us, some output voltage is showing in scope while simulating with fixed step size of… --- ## [Is it possible to reset of RT Box after an error without rebuilding and uploading the model?](https://forum.plexim.com/t/is-it-possible-to-reset-of-rt-box-after-an-error-without-rebuilding-and-uploading-the-model/587)
**Author:** [@kathan](https://forum.plexim.com/u/kathan)\ **Replies:** 1\ **Last updated:** [November 7, 2018, 9:59am UTC](https://forum.plexim.com/t/is-it-possible-to-reset-of-rt-box-after-an-error-without-rebuilding-and-uploading-the-model/587 "2018-11-07T09:59:06Z")
Hello, currently I’m facing the problem that the RT Box is entering sometimes the error mode, when the connected controller resets. The model is an inverter where the two half-bridges are controlled using an external co… --- ## [Unexpected direct feedthrough in new topology. What is the meaning of this error message?](https://forum.plexim.com/t/unexpected-direct-feedthrough-in-new-topology-what-is-the-meaning-of-this-error-message/321)
**Author:** [@powersim](https://forum.plexim.com/u/powersim)\ **Replies:** 3\ **Last updated:** [April 10, 2018, 4:16am UTC](https://forum.plexim.com/t/unexpected-direct-feedthrough-in-new-topology-what-is-the-meaning-of-this-error-message/321 "2018-04-10T04:16:58Z")
I’m trying to debug a power electronics simulation and I get this error message: Fatal error: Unexpected direct feedthrough in new topology I cannot find a reference to this message or any explanation in the Plecs User…