HF read-write module with IO-Link

HF read-write module with IO-Link

Powerful HF-RWMs with IO-Link make system integration easy

HF RWMs with IO-Link extend the Contrinex system in the direction of Industry 4.0. They can be operated either as IO-Link devices or in standard I/O mode (SIO) with conditional binary outputs. In SIO mode the conditional output switch enables either tag detection or data block comparison.

These extremely flexible plug-and-play RWMs have been specifically designed for easy, cost-effective integration into existing control systems. All HF RWMs are fully compatible with ISO/IEC 15693.

Oliver Schleicher

Oliver Schleicher
Managing Director
Leinfelden-Echterdingen, Germany

Product Category


Application Fields

Sales Region

Key Facts

  • Contrinex HF-RFID system (13.56 MHz), compatible ISO/IEC 15693
  • IO-Link V1.1 compatibility
  • Sizes M18 (R/W distance up to 42 mm) and M30 (R/W distance up to 60 mm)
  • Robust metal threaded housings with PBTP sensing faces, insensitive to dirt, non-embeddable
  • 2 x PNP output in SIO mode, configurable
  • Integral M12 4-pin connector
  • RWM reconfigurable remotely or via a Master Tag


  • 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
Solution News

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?

Product News

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.

Solution News

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.

High Temperature Tag
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