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Pressure sensor for pneumatic applications

The PQ Cube is the ideal choice for pneumatic applications of any kind. The measuring cell used so far and which has already distinguished itself in previous PQ generations through its high resistance to dust and dirt, is also used in the new version.

Not only the inner values are convincing. The 1” display clearly shows process values in various layouts, while switch points are signalled via the LEDs. Set-up is also quick and easy with the installation wizard.

The PQ Cube in detail

Product benefits of the PQ Cube

Coated measuring cell

The coated and sealed silicon measuring cell from ifm offers excellent media resistance and always works reliably even under adverse environmental conditions. Especially in industrial applications with vacuum grippers, the air is often contaminated with dust. This does not affect the measuring cell any more than compressed air containing oil.

Full graphic 1” TFT display and switch point LEDs

Process values, switch points and other information available via IO-Link can be read at a glance on the display. Different display layouts with a clear red-green colour change can be flexibly selected for visualisation.

Installation wizard

The PQ pressure sensor can be set up quickly and easily using the installation wizard. The wizard guides you through the set-up process in a total of 9 languages and asks for all the relevant attributes for your application. Subsequent and further changes can be made flexibly via IO-Link or on the device itself using the 3 buttons.

The virtual PQ as a click dummy

See the display and the installation wizard for yourself in our click dummy. The click dummy may differ from the original and does not reflect all functionalities!

Open the menu or installation wizard / confirm entry
Menu navigation
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The arrow and enter keys on the keyboard can also be used

Applications

Compressed air treatment

The treatment of compressed air is an essential factor for the functionality and service life of pneumatic systems. Thanks to the sophisticated mounting concept, the pressure sensor can be installed in your maintenance unit without the need for adapters, making it an ideal component for compressed air treatment.
Via the full graphic 1" display you can see at all times whether the process values are within the target range.

Monitoring and measurement of the system pressure

For smooth operation of your plant the PQ Cube monitors the system pressure reliably in a measuring range from -1 up to 16 bar.
Operation and set-up of the sensor is quick and easy via the 3 buttons and the intuitive menu navigation. Set-up is supported by the installation wizard, which is available in 9 different languages.

Vacuum and gripping applications

In vacuum and gripping applications, the PQ Cube scores with its robust measuring cell which is extremely resistant to dust, dirt and moisture. Another plus point of the sensor is the visualisation of the process values and the clear red-green colour change.
When installing the sensors you can choose between wall, DIN rail and panel mounting.

Flexible mounting options

Added value thanks to IO-Link

  • Transparent processes
    In addition to the current pressure, the device and media temperature are also output acyclically via IO-Link. This makes it easy to keep an eye on your process at all times.
  • Logging and simulation of process values and events
    In addition to displaying and logging the process values, various events can also be recorded and simulated via IO-Link. These include the operating hours since start-up, the number of overpressure events and the switching cycles on both outputs.
  • Loss-free data transmission with connection technology without shielding
    IO-Link enables loss-free data transmission, as conversion losses are excluded via digital communication and external influences, such as magnetic fields, have no effect on data transmission.
  • Flexible configuration remotely or directly on the HMI
    The pressure sensor can be configured quickly and easily via IO-Link - either remotely or during the process.

Use cases

Optimize ice cream production with secure tub seals

The Energietechnik Satrup GmbH company has been a point of contact for automation solutions for over 30 years and supports its customers in the field of automation technology, from consulting to commissioning to long-term support.
ETS supports its customer Giovanni L. with ice cream production, ensuring a smooth production process. To close the ice cream tubs securely at the end, seals are positioned using a vacuum gripper. The PQ Cube pressure sensors ensure that the process runs as desired and that the seals have been correctly gripped from the magazine and placed on the tubs. If the defined suction pressure is not reached during the gripping process, the gripper is moved upwards via a cylinder to avoid immersion in the ice cream.

To achieve the fastest possible response times and precise switching points, the sensors were mounted as close as possible to the vacuum gripper using short hose lengths. As a result, the sensors are located within the cleaning area of the plant and are subject to regular cleaning. While the previous sensors regularly failed due to leaks and the cleaning chemicals used, the PQ Cube with IP65 and a three-part injection-molded housing remains unaffected by cleaning conditions.

Smooth repackaging with the right vacuum

For over 30 years, PCA Roboter- und Verpackungstechnik GmbH has been developing individual solutions for packaging and palletizing a wide variety of products. PCA supports its customers from planning to implementation and offers a comprehensive service model.

The use of vacuum technology is an essential component of robot palletizing. Among other things, the vacuum is needed to move boxes to a defined position within a repackaging plant. Only when a box is gripped correctly can a vacuum be formed and the move started. The vacuum is monitored with PQ Cube pressure sensors, which are integrated into the plant via a wall mount installed using accessories.

Improved safety and transparency for vacuum lifters

For more than 90 years, FEZER has been offering its customers innovative, economical solutions in the field of vacuum handling technology. The individual device series are optimally tailored to the most diverse applications and ensure effective, reliable and ergonomic processes.

The hand-held vacuum coil lifter also makes work easier and enables coils to be transported and swivelled. PQ Cube pressure sensors are used to monitor the individual suction chambers, ensuring the optimal vacuum level and, thereby, the load-bearing capacity of the chambers. The clear red/green display change alerts the plant operator to a change in the vacuum during transport, so that safety precautions can be initiated in good time. The vacuum for the coil lifter is provided by a vacuum storage unit, which can reduce energy costs by around 50 to 70 percent compared to a conventional supply. A PQ Cube is also used on the storage tank, which monitors the vacuum level, indicates it via a percentage display and switches the pump on and off as required. By presenting the vacuum level in percent, a uniform understanding is created regardless of country-specific units.

Precisely position injection molded components and ensure quality

For 35 years, Kunststofftechnik Schmid has been a contact for high-quality solutions and services in the field of plastics processing and automation. As a full-service partner, Schmid supports its customers from the initial idea to series production of injection-molded parts and offers tailor-made solutions from a single source.

When complex injection-molded parts are manufactured from up to four components, accuracy and precision are required so that the individual components are positioned reliably and precisely in the next mold. For this process, vacuum grippers are used, for which a defined vacuum level must be maintained. The PQ Cube pressure sensor reliably monitors the level. Once the target value is reached, the components are moved along to the next injection molding step. If the target value is not reached, the sensor ensures that the plant is promptly stopped. To accommodate the dynamics and speed of the gripper, the PQ Cube was mounted directly on the gripper arm. It is directly exposed to the hot, humid working environment; however, the coated measuring cell remains unaffected by these conditions and always works reliably.

Ensure the correct gripping process through process pressure

Since 1976, BSH Hausgeräte GmbH has been manufacturing dishwashers in over 2,000 variants at its Dillingen site. The models all differ in terms of size, shape, color, technology and features.

PQ Cube pressure sensors are used in the production of the round blanks inside the dishwashers. They monitor the process pressure of the pneumatically controlled grippers on a robot that feeds the manufactured round blanks to the next process step in a matter of seconds. For the entire process to run efficiently and smoothly, the robot’s gripping process must be carried out correctly. This requires a defined process pressure by which the grippers are fully opened and closed at the right time. The pressure sensors for securing the pneumatic pressure of the grippers are mounted on a DIN rail directly on the pressure regulators. A further PQ Cube monitors the pneumatic system pressure on a maintenance unit, which supplies two additional robots.

Digitalize production plants and save resources

A diaper manufacturer used to monitor the process pressure and vacuum at around 100 measuring points in the production lines using mechanical pressure gauges. The values were read once per shift and manually transferred into a system.

As part of a digitization project, the mechanical pressure clocks were replaced by the PQ Cube pressure sensor. Thanks to transmission via IO-Link, the data is now permanently and digitally available in the control system and other IT systems – a real benefit for efficient diaper production. Through continuous recording of process values, the customer has a constant overview of the plant’s status, and process changes can be detected and remedied at an early stage, increasing system efficiency and saving resources. Thanks to the field-ready infrastructure (IO-Link master, switch and power supply), the retrofit project was implemented quickly and easily without interfering with the existing machine structure.

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