When Coilmind is not for you
I would rather you didn’t buy Coilmind than buy it, find out in week three that it can’t do the thing you needed, and ask for your money back. So here are the situations where the answer is no. I wrote the list myself, and I’m the one who would have taken your money.
If none of these describe you, the trial will tell you the rest in an afternoon.
You’re not on Windows, or not on TIA Portal V17–V21
The Openness API is Windows-bound, so there is no Mac or Linux version and there isn’t going to be one. V16 and older aren’t supported either. This is the one item on the page with no workaround at all.
Your bottleneck is hardware, not code
Devices and modules, SINAMICS drive parameters, motors and encoders, PROFINET, ECAD-to-project generation: Coilmind does none of it and isn’t planning to. If most of your week goes into configuring hardware rather than writing logic, it will sit idle. The Siemens Eigen Engineering Agent covers that ground, and there is a separate page comparing the two.
You need HMI devices created, or faceplate types
Coilmind does build HMI: screens and the items on them, every item property, dynamizations, the JavaScript for events and dynamizations, and the tags and tag tables behind it all. It also has a proper script editor with IntelliSense. What it will not do is add the HMI device itself: you create the HMI device in TIA and Coilmind works inside it. Faceplate types are beyond every tool in this category, Coilmind included, because the Openness API cannot create them.
Nothing from your project may ever leave the PC, and the PC never goes online
Read the offline part carefully. With the cloud model, the relevant part of your project does leave your PC, and anyone telling you otherwise about a cloud-model tool is describing their control plane, not your data. You can switch that off by running a local model, and then nothing leaves the machine. But local models are weaker than cloud ones and how capable they are depends on your GPU. The licence also has a 14-day offline grace period: within those two weeks it needs a short connection to refresh. If your requirement is a machine that never touches a network again, no part of this product meets it. The templater and the generator use no model at all, but the licence still comes due.
You need style-guide enforcement across a large codebase
Mass adaptations across dozens of blocks and conformance checks against a written standard are tooling for an organisation that has its standard on paper. Coilmind is built around what one engineer does in a week. (Documenting a project is a different matter. That it does, block by block, into a Markdown file.)
You have more than a handful of engineers
One licence covers several machines and several of you can work at once, up to the requests-per-minute limit; there are no named seats. That’s generous for two or three people and wrong for fifteen. Past that, volume pricing and procurement matter more than the terms Coilmind competes on, and vendors built for that will serve you better.
You need a support organisation
There isn’t one. If something breaks you email me and I answer, usually the same day, and that is the whole arrangement. Some buyers like it that way. If your procurement needs an SLA with a company behind it, this rules Coilmind out, as it should.
You want code you don’t have to review
Blocks are gated on a compile in TIA: if it doesn’t build, the change isn’t applied. Logic can be validated before it is written at all, blocks and HMI screens are snapshotted first, and everything is listed in a changelog. There are two gaps. Tag, tag-table and UDT operations have neither a snapshot nor a compile gate, and none of this makes generated logic correct for your machine. It has to be reviewed by a qualified engineer before it runs, and it is not for safety-critical functions. If you were hoping to skip that step, no tool on this market can give you that yet.
Still here?
Then the situations Coilmind was built for are probably yours: cloning blocks for the next line, reverse-engineering someone else’s logic, dragging STL nobody reads into something maintainable, translating a project for a client’s HMI, working on site where the network doesn’t reach. Fourteen days, no card. Open a project you already know and ask for something you’d normally do by hand.
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