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AS-Interface Safety at Work

Safety and standard components in one network

AS-Interface Safety at Work
AS-Interface Safety at Work

AS-Interface Safety at Work is a safety-related extension of the AS-Interface and is simply integrated in an existing AS-Interface network. All standard and safety components are activated in parallel via the same cable so that you can integrate safety-related functions such as an EMERGENCY STOP or door monitors in your existing system.

In order to evaluate safety-relevant signals, you will only require one additional safety monitor that uses dynamic code sequences to reliably communicate with the Safety at Work components. Installing an AS-Interface guarantees compliance with safety category 4 according to EN 954-1 and SIL3 according to IEC / DIN EN 61508.


Clear benefits of "AS-Interface Safety at Work":

  • Only one bus line required to transfer safe and unsafe data
  • Fully compatible with all standard AS-Interface devices
  • No special communication mechanisms required
  • Diagnosis of safe modules possible via a standard AS-Interface master
  • Category 4 requirements specified in EN 954-1 and IEC 61508 are fulfilled
  • Secure input card in the process computer (PLC) not required
  • Easy parameterization using special configuration software on the PC

Free Download: White Paper on TCP-Based Communication Protocols (PDF)

This free PDF white paper compares the different TCP-based communication protocols (AMQP, OPC UA, MQTT, REST API) that have found their way up and are considered the enablers of IIoT and Industry 4.0. Get your free download now!

Functional Safety Hub from Pepperl+Fuchs

Several hundred products with a SIL/PL assessment, free tools, and brochures in one place: the "Functional Safety Hub" is your starting point when you have to implement safety functions.

AS-Interface Product Range

Get to know our full range of AS-Interface products.