Frequently Asked Questions

Browse through these FAQs to find answers to commonly raised questions.

How can I test 20-sim?
  1. Download 20-sim
  2. Install 20-sim
  3. Start 20-sim and click Help – Getting Started.

The installed version of 20-sim will show all the capabilities of the package but does not allow you to save models.
To test 20-sim without any restrictions, please contact us for a trial license. The license will be valid for 14 days.

How long are licenses valid?

Open 20-sim and go to Help – About. This dialogue will show the expire date of your license.

  1. Trial licenses of 20-sim will have a validity of 14 days.
  2. Lease licenses of 20-sim will have a validity of 3 months or longer (depending on the lease period).
  3. Purchased licenses of 20-sim will have a validity of 20 years.
What is a classroom kit?

There is a unique offer called the 20-sim Classroom Kit that is available for academic and educational institutes, schools and universities.
This allows students and teachers to use up to 200 copies of 20-sim at your laboratory or at home.
Please contact us for all available options and prices.

What kind of licenses are available?

There are two types of licenses available:

  1. Single license that locks 20-sim to a specific computer.
  2. Foating license that allows multiple users to work with 20-sim at the same time.
What kind of payment options are available?

We accept all major credit cards including Visa, Mastercard, Discover, and American Express.
Purchase orders and offline payment options are available for annual subscription plans.
Please contact us for details.

What kind of support is available?
Support Contract
Any help that is covering more than teaching the use our products, requires a support contract. A support contract will cover topics like model analysis, fault detection and for example help on the purchase of hardware. A support contract can be purchased for a fixed amount of hours. At the start of each consult Controllab Products will give an estimate of the required amount of hours. After each consult an update of the remaining hours is given.

Consultancy Contract
Every task with a wider scope than the direct use of our products, is covered by a consultancy contract. As part of a consultancy task we will design models or for example analyze measurement results. 20-sim consultancy contracts can be purchased for a fixed amount of hours. At the start of each consult Controllab Products will give an estimate of the required amount of hours. After each consult an update of the remaining hours is given.