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Croation manufacturer Kolman is using Unitronics’ Vision570 and Vision560 systems to control the servo drive, temperature, pneumatic valves, sensors and actuators on its packaging machinery.

Unitronics I/O

Specialising in the manufacture of small, productive machines for the packaging of all kinds of materials depending on customer preference and type of goods, Kolman was in need of a complete control system for all of its machinery.

The system needed to be as simple as possible, with easy HMI integration for ease of use.

Another main requirement was the need for temperature control without using independent temperature controllers, while the servo-drive control needed to be done directly from the PLC.

Vision570 and Vision560 systems and V200-18-E4XB snap-in I/O were chosen to fulfil Kolman’s requirements.

Key benefits of product application

  • The Vision570 unit was chosen because of its 5.7in colour touchscreen — fulfilling the need for a user-friendly operator interface.
  • The V200-18-E4XB snap-in module met every I/O need — it provided fast outputs using its PTO features for servo-drive control, PT100 inputs for measuring the temperature of the heaters for welding the packaging foil and PWM outputs/PID control for precise temperature control of the heaters.
  • The snap-in module also had the right amount of inputs and outputs for controlling the pneumatic valves, sensors and actuators.
  • Karlo Hictaler of Tipteh Zagreb, a Kolman distributor, said: ‘The main advantages of using Unitronics were ease of use, very fast application development and of course excellent performance/price ratio.’
  • Hictaler added: ‘The powerful and simple VisiLogic software package, lots of free examples and good technical support made this product really easy to use. To use a single snap-in module with so many different I/O was very much appreciated. It ended up being a very small, very compact and powerful solution for the machine builder.’
  • The V560’s IP66-rated flat fascia was said to be a great advantage for the food and beverage industry.


For over 20 years, Unitronics has been a global leader in developing and manufacturing PLCs with onboard HMIs.

For over 20 years, Unitronics has been a global leader in developing and manufacturing PLCs with onboard HMIs. They were pioneers of this market, being one of the first companies to bridge the gap between PLC and HMI; forever changing industrial control processes. OEMs and systems integrators can rely on a single device; all while operating on a minimum of budget, programming time and wiring. Helping customers create the highest quality product, while meeting their budgetary and system requirements, is a top priority for Unitronics. Today the company can provide innovative products and services worldwide, through a network of global professionals, including a US subsidiary, and over 160 distributors in over 50 countries.

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