Part Location Monitoring and Route Diversion

Part Location Monitoring and Route Diversion

Conveyor system with RFID

IO-Link RWMs offer all the benefits of RFID (real-time inventory, track & trace along whole production flow) but with easier integration and shorter development time using freely downloadable function blocks and IODD files. RFID-enabled production can be set up simply by dragging and dropping function blocks (FBs) into a PLC project.

No specialist RFID training is needed. This simplicity reduces overall project cost, ensuring a faster ROI for RFID solution development.

Picture: © Shutterstock/hamik

Oliver Schleicher

Oliver Schleicher
Managing Director
Leinfelden-Echterdingen, Germany



Application Fields

Sales Region

Key Facts

  • An automated conveyor system uses RFID to monitor the location of items and route them to specific destinations.
  • Due to the conveyor speed, data transfer must be fast in order not to slow down overall process speed.
  • An industry-standard IO-Link master ensures reliable out-ofthe- box connectivity and easy system integration.


  • Manufacturing (Industry 4.0)
  • Warehousing and logistics
  • Conveyor systems
  • Automated storage and retrieval
  • Inventory management
  • Asset management
  • Work-in-process tracking
  • Healthcare facilities

Swiss sensor specialist Contrinex is a multinational group with over 600 employees worldwide. The product range includes conventional standard sensors as well as high-performance devices that push detection properties to their physical limits.

  • Performance: high and low-frequency RFID systems to meet the most demanding requirements of industry
  • Networkability: full range of interface devices; direct connection to RS485 bus (HF)
  • Difficult environments: full-metal tags; tags for temperatures up to 250 °C; tags embeddable in metal

Success Story: HF RFID Read/Write Heads With IO-Link

Interview with Norbert Matthes More and more RFID customers are choosing Contrinex’s HF RWMs with IO-Link. This comes as no surprise at all to Norbert Matthes, Technical Sales Manager with Contrinex Sensor GmbH in Germany and RFID workshop specialist. Who better then to answer our questions and explain the special appeal of the IO-Link RWMs?

HF RFID – FB library for extremely easy IO-Link integration with S7-PLC

The new function block library from Contrinex simplifies the integration of IO-Link read/write modules in RFID projects and thus reduces engineering time and costs. This library covers all the necessary functions for communication with a Simatic S7-1200/S7-1500 or equivalent PLC. The user can drag and drop the required IO-Link function block into the corresponding network and store it there. It’s that fast and easy.

Long-range Photoelectric Sensor Counts Shrink-wrapped Carton Packs

During high-volume confectionery packaging operations, conveyors deliver stacked cartons to shrink-wrapping stations. At each station, a wrapping machine encloses a stack in heat-shrink film and an infrared oven shrinks the film to form a sealed pack of cartons. A long-distance through-beam photoelectric sensor, mounted beside the conveyor, senses the presence of each pack as it leaves the oven and signals a plant-wide control system to increment the production throughput totals.

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