Using IO-Link to control pneumatic AirBoxes
Pneumatic AirBoxes control cylinders are actuators using compressed air and are found in a wide range of industrial applications. They are used in almost all areas where pneumatics are used for positioning, such as in pick-and-place applications, machine tools, robotics, handling, and conveyor belts. In filling systems, AirBoxes control actuators, for example during dosing or filling.
Thanks to their compact design, AirBoxes can be mounted close to the pneumatic actuators to be controlled. The short distance minimises the risk of leaks and helps increase energy efficiency. In addition, short pneumatic tubes allow for short switching times.
The AirBoxes provide digital inputs to which, for example, cylinder sensors for position feedback can be connected. Long, separate cable paths to the plant controller are not required.
AirBoxes with input/output (IO-) Link have a range of uses and advantages, including:
- For decentralised control of cylinders and pneumatic actuators
- Combination of IO-Link I/O module and solenoid valve
- High energy efficiency as a result of their application near the actuator
- Production data acquisition and diagnostics by means of IO-Link
- There are 4x2 digital inputs, for example for the feedback of position sensors
The electrical connection is made by means of a 24 V power supply, eliminating the need for additional auxiliary voltage and screened cables which helps to simplify cabling. Diagnostics are also made easier with production data such as operating hours, switch-on operations and internal temperature logged in the AirBox. This enables predictive maintenance and transparency, for example to enable remote service. External faults such as short circuits at the digital inputs can also be detected. The advantages all help to improve the efficiency, reliability and process quality of machines and systems.
AirBoxes with IO-Link are available from ifm.
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