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flowtrol at a Glance

Have a closer look at our “flowtrol” Mobile App Family. A look at this innovative development is well worth it!


“Everything should be made as simple as possible. But not simpler.”

– Albert Einstein –

The Idea

The first encounter in 2009 with an iPhone-controlled quadrocopter was like an aha-experience – intuitive, direct operation of a device using only a smartphone. What works with helicopters, must also work with controllers.
Thrilled and inspired by this technology/idea came naturally the desire to make simple diagnosis and control of PLCs. The idea flowtrol was born.

The Philosophy

The Motto “keep it simple” is behind every flowtrol solution, to avoid unnecessary intermediate layers, server / client and compiler solutions. The device’s default is therefore clear:
A PLC + a mobile device – and the essential, necessary vehicle – the wireless router.

The flowtrol-engine

The flowtrol-engine provides the heart for each flowtrol app. A piece of software that acts as a driver for faster and more efficient communication between a mobile device and PLC.
With 100% in-house development we have it all in our own hands – this is unique!

What is required for flowtrol?

Basically, the following three steps are required for the use of flowtrol:

  1. Download the app from the App Store
  2. Connect the PLC control system with a wireless access point of your choice.
  3. Connect the mobile device to the WLAN Access point, open the flowtrol app and start communicating with your PLC.

The environment

Currently, technological conditions are given through the use of Apple iOS devices (iOS7 necessary) such as iPad, iPhone and iPod, as well as Siemens industrial control systems (PLC / PLC as S7-300, S7-400, S7-1200 and S7-1500).

The choice of components is not based on a random selection; so both manufacturers are not yet up to technological progress and a high standard of quality. In particular, on the part of mobile devices, the diversity is much lower than competing systems – this allows for a very lean and efficient programming and efficient use of resources.
If you are enthusiastic about our ideas and applications, but are “outside” of our current “environment” – please contact us – we are happy to work on individual solutions for you.


PLC Diagnostics – Revolutionised!

The idea

A modern and simple tool for graphical representation of PLC signal sequences. A tool for recording data to understand processes, to analyze signal sequences and document it. Flowtrol Scope fills the gap between the requirements of each PLC technician and industrial controllers (PLC / PLC)
With flowtrol Scope we have realized our dream and developed a modern tool for experts – For all those of you who are involved with bits and bytes of the PLC control – for example, commissioning engineers, service technicians, maintenance engineers, programmers, etc.

The scope of services

Flowtrol Scope …

  • … allows recording and analysis of signals and values ​​of the PLC over time.
  •  … allows sharing recorded control data with others, for example with colleagues for further evaluation.
  • … is always there, where you are – a reach to the pocket is enough
  • … avoids complicated structure and complex test environment and is based on the principles of flowtrol-engine – the PLC, a wireless router and your mobile device.

The principle

Flowtrol Scope reaches the values ​​and signal range of the control using the flowtrol engine . Therefore no additional implementation in the PLC is necessary – IP address, rack and slot ID are sufficient.
For recording, the relevant signals are explicitly entered using “absolute addressing”. With the start of the recording, the data polling process runs.
The data recording takes place according to the fastest possible sampling rate which depends on the signal quality and available bandwidth. The recording time and the sampling rate (pooling-rate) can be changed and adjusted individually in the app.

The features

  • Flowtrol Scope scans your network for available PLCs and offers them as a potential link partner.
  • Representation of real time signal sequences in graphical or textual form.
  • Signal sequences can be displayed as plot and recorded.
  • Signals are displayed in tabular form with each other, thus allowing excellent opportunities for comparison and analysis.
  • Millisecond-accurate analysis of signals in the usual smartphone handling.
  • Control recording via freely-configurable trigger event.
  • Storing records and signal sequences with individual file names.
  • Save and reload stored records.
  • Export options of recorded data:
  1. PDF – for direct visualization or for documenting and archiving
  2. CSV – for further processing,
  3. SCOPE – flowtrol import in Scope
  4. Video – time-synchronous recording of the built-in camera



Why flowtrol Scope?

  •  Because increasingly complex systems require simple tools.
  • Because not every fault needs a service technician or justifies a service call.
  • In the same way that a Swiss pocket knife is good because it fits in the pocket and thus remains available everywhere – so is flowtrol scope
  • and – because it is possible !

HMI - Human-Machine-Interface

Human-Machine-Interface – The mobile way.

The idea

Basically flowtrol HMI is a universal app. Only based on your configuration (exclusively on the PLC) – the universal app becomes an individual app. And at any time!
This allows use of the same flowtrol HMI for various controls.
Based on flowtrol HMI is the flowtrol engine, which allows iOS devices to communicate directly with the PLC.

The scope of services

Expand your machine or system with a mobile component, which allows a previously unimaginable degree of freedom.

The scope of flowtrol HMI extends from:

  • The two-hand control including display of feedback and actual values
  • the display and control of parameters in tabular form
  •  an overview of historical values ​​and data, as well as the display of faults and Errors.

The operating principle

Basically flowtrol HMI is a universal app. Based on your configuration (exclusively on the PLC) – the universal app becomes an individual app. And at any time!

This allows use of the same flowtrol HMI for various controls.

flowtrol HMI runs with the flowtrol engine, which allows iOS devices to communicate directly with the PLC.

The configuration

For individual configuration of the interface, it is necessary that certain data blocks with a defined structure are loaded in the PLC. When connecting the app with the PLC, this structured data is recognized by flowtrol HMI and the app starts to configure itself – voila, offering you your custom configuration!
like puzzle pieces, the universal app creates an individual user interface

In order to use flowtrol HMI, the PLC must be supplied with the necessary data blocks – To make the DB creation easier, we have developed a configuration tool for you. This tool helps the user to create the data structure and generates finished data block sources at the end of the configuration, which only have to be imported into the user project and then can be further processed as desired.
Download for free our convenient configuration tool in our download area.

The implementation

Import the sources that you created using the configuration tool to create the appropriate blocks by translating the sources.

The structure of the data blocks is fundamental and cannot be changed.

The signals and data are now available for free use – you always pay attention to the correct link and implement the necessary security. Example, we have a watchdog signal for you: take advantage of it!


Once you have the configuration blocks generated and integrated in your application program, proceed to:

Upload your PLC program to the PLC

Establish a connection with flowtrol HMI and the controller – Watch this moment – almost magically it builds the interface based on your configuration
Have fun!

Partner Program

Are you looking for new ways to market your product through the integration of wireless human-machine interfaces for your industrial controller (PLC)? Then our Partner Program is just right for you.

We offer an extensive range of scalable and easy to use mobile applications (apps) for wireless communication of mobile devices to industrial controls. We give exclusive support.
Our deepest desire is to have OEM and technology partners for competitive offerings. We provide our partners with the technology and resources they need to guarantee customers the best results.


Our product with your logo?
Or, our product in a modified form, tailored to your needs?
With our special B2B solutions we are able to meet your needs.
We look forward to your contact!


We reward partners for their achievements and commitment.
Whoever shows more commitment, benefits with us through higher margins and is overall more successful.

Systems Integrator

Become a systems integrator. Learn more about our products, the philosophy and the best integration.
Contact us.

Technology Partner

Our technology partners complement our products to work seamlessly and provide an even more compelling user experience.

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