Function
The Testing station detects the various properties of the workpieces inserted into it. It differentiates workpieces with the aid of an optical and a capacitive sensor. A retro-reflective sensor monitors whether the operating space is free before the workpiece is raised via a linear cylinder. An analogue sensor measures the height of the workpiece. A linear cylinder guides correct workpieces via the upper air slide to the neighbouring station. Faulty workpieces are rejected via the lower air slide

Top topic: Sensors

The Testing station employs all basic types of industrial sensors in typical applications: optical and capacitive proximity sensors and optical retro-reflective sensors. These are supplemented by various cylinder limit switches (inductive, magnetic).

Option: Analogue value processing

An analogue sensor detects the height of the workpiece, which is raised from below by a linear cylinder and pressed against the measuring device. A comparator evaluates the sensor signal and passes this on as a digital signal. The analogue signal is also available at a separate terminal – allowing connection to the simulation box or a PLC with an analogue module.

Technical data

• Operating pressure 600 kPa (6 bar)
• Power supply 24 V DC
• 8 digital inputs
• 5 digital outputs

Training aims for project work

Mechanical:

• Mechanical set-up of a station

Pneumatics:

• Application of rodless cylinders

Electrical:

• Correct wiring of electrical components

Sensors:

• Mode of operation and applications of optical and capacitive sensors with digital switching behaviour
• Mode of operation and applications of analogue sensors using the example of an analogue displacement encoder

PLC:

• Programming and application of a PLC
• Analogue signal processing

Commissioning:

• Commissioning of the entire sequence

Troubleshooting:

• Systematic troubleshooting in a production system

Recommended training media

• Mechatronics Assistant
• Textbook Programmable logic controllers, Basic level
• Textbook Proximity sensors