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Vesta Building - 5th floor
Herikerbergweg 213
1101 CN Amsterdam
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Kendrion contact
Head Office
Kendrion N.V.
Vesta Building - 5th floor
Herikerbergweg 213
1101 CN Amsterdam
The Netherlands
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‘Safety first’ with functional safety solutions from Kendrion

Functional safety is now standard in modern machines. With the certified FIO Safety PLC and the associated EtherCAT Safety I/O modules, KENDRION relies on proven technologies: the standard CODESYS programming environment and the powerful EtherCAT® real-time fieldbus.

Integrated safety for demanding motion and robotic solutions


Control programme and safety functionalities in one tool make data exchange simple and clear. All data is available everywhere. The modular, EtherCAT-based FIO I/O system from KENDRION enables the integration of both safe and non-safety relevant modules. It is therefore a practical solution for your entire peripheral expansion at considerably lower engineering and commissioning costs. As a remote I/O, it is connected to the higher-level controller by means of bus couplers. Or safety PLC and I/O modules can be added to the FIO Controller as modular PLCs. Further EtherCAT Safety (FSoE) devices can be connected and safely monitored and controlled using the Safety Controller. 


CODESYS Safety Control (Safety PLC)

Following the TÜV certification, KENDRION also received PLCopen safety certification for the safety control. This certificate means that the decentralised SIL3 safety control FIO Safety PLC in accordance with IEC 61508 can be easily integrated everywhere. The configuration and programming is created with CODESYS and transferred via EtherCAT/ FSoE. CODESYS provides numerous certified safety components, such as emergency stop, two-hand operation, muting, etc. according to PLCopen. In addition, the user can develop customised function blocks for his application if required. Thus, all FSoE slaves, such as drives or I/Os, can be safely controlled and continuously monitored.


FSoE Safety I/O – safe digital inputs and outputs for the most demanding requirements

The FIO product family offers a wide range of digital modules with safe inputs and outputs for challenging safety applications.

The inputs are ideal for connecting sensors with potential-free contacts and can be flexibly combined with integrated or external test pulse outputs. The outputs switch 24 V DC loads independently of each other, which must be reliably disconnected in the event of a fault.

All inputs and outputs meet the highest safety standards:

  • Category 4, PL e according to EN ISO 13849-1
  • SIL 3 according to IEC 61508/62061
     

Flexible integration thanks to FSoE

In addition to the FIO Safety PLC, any other safety control with FSoE (Fail Safe over EtherCAT) can be used for safe control of the modules. The modules support standard-compliant FSoE, so that they are compatible with any FSoE masters.

You want to learn more?  Discover our Safety PLCs and I/Os in the Productfinder!

Productfinder

Added Values

  • The CODESYS Safety Extension is used for programming
  • Freely programmable Safety-PLC (IEC 61508 SIL3 and DIN EN ISO 13849-1 PL e)
  • Certified safety function blocks
  • Decreases time expenditure for development, verification and acceptance of safety applications
  • PLCopen certified

Safety PL d - Easy to implement with our FIO Safety OC modules

Watch the video
Safety solutions at PL d level – without the need for special drive technology
Find out how safety functions can be implemented at PL d level without the need for a specially designed drive.

The Kuhnke FIO OC module transmits analogue values and counter data securely via a certified telegram. In combination with the Kuhnke FIO Safety PLC, this data can be reliably used in safety-related applications.

All inputs and outputs meet the highest safety standards:

- PL d according to EN ISO 13849-1
- SIL 2 according to IEC 61508 / IEC 62061

Discover our Tutorials about Safety

FAQs about the safety PLC and I/Os from Kendrion

Do I need CODESYS for the Kendrion Kuhnke safety controllers?

Yes, CODESYS is required to create a safety program. However, any EtherCAT master can be used during operation.

Do I have to use the Kendrion Safety PLC to use the Kendrion Safety I/Os?

No, the Kendrion Safety I/Os can be operated with any FSoE master – independently of the Safety PLC used.

How many FSoE slaves can be operated on a Kendrion Safety PLC?

This depends on the size of the safe process image of the respective FSoE slaves. The maximum size of the process image is 1318 bytes. With a size of 16 bytes per slave, up to 82 FSoE slaves can be connected.

What is the cycle time of the Kendrion safety PLC?

The cycle time can be set in millisecond increments, starting at 2 ms. In a test with 48 slaves, a cycle time of 11 ms was achieved.

Why is the Kendrion Safety PLC particularly suitable for applications in robotics and AGVs?

Thanks to the integrated FPU, a large process image and the option of programming complex functions in C, our Safety PLC is ideal for demanding applications in the field of robotics and automated guided vehicles (AGVs).

How do I transfer a safety application when replacing the safety PLC?

Transfer is easy and secure via an SD card.

What libraries are available for the safety PLC?

In addition to the CODESYS safety library with standard function blocks such as two-hand operation, we are currently developing a single-axis library according to the PLCopen standard.

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Kendrion Industrial Actuators & Control
Support Team Control Technology
Kendrion Industrial Actuators & Control
Sales Team Kendrion Malente

Visit us on our fairs!

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SPS 2025
Discover groundbreaking advancements in control technology and industrial brakes with Kendrion at SPS 2025. Experience firsthand how our solutions are shaping the future of automation. Visit our booth and meet our experts.
Hall: 4, Booth: 361
Messezentrum 1
90471 Nuremberg, Germany
Germany