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SMX compact - Safe masters and slaves in the compact series
Simple and safe

- that is what distinguishes this series. From safe I/O processing of a few signals to sophisticated drive monitoring, the SMX Compact solves every safety task safely and compactly.

The safe solution when standards reach their limits!

If things ever become a bit more complex, the SMX Compact (/4x or /DxM) provides the right answer for demanding safety tasks.

In combination with safe fieldbus communication and in conjunction with an F-Host, the SMX Compact (/4x or /DxM) solves tasks such as safe position monitoring, area detection, multi-axis functions and collision monitoring. Communication with any master controller is using safe fieldbus systems such as FSoE or PROFIsafe. It can also respond within 3 ms without bus communication and generate a safe state.

The series at a glance

  • With integrated OPC UA-Server and Gateway to sensor /actuator level for status and condition information
  • Simple process data exchange via OPC UA publisher/subscriber services
  • Access for service and Asset services
  • Simple and transparent programming and parameterization via SafePLC²
  • Flexible use due central and decentral expansions
  • Drive monitoring for up to 2 axes with extended encoder functionality
  • Safe cross communication for data exchange between multiple base devices via ethernet-based protocols with SMMC (Safe Master - Master Communication)
  • Suitable up to PL e (EN ISO 13849-1) and SIL3 (IEC 61508)
  • Safe and non-safe fieldbus interfaces for communication with a higher level controller (PROFIBUS, PROFINET, CANopen, Modbus TCP, EtherCAT, FSoE, PROFIsafe)

Features of the SMX compact

Can be expanded to:
  • 42 safe digital inputs
  • 12 safe digital outputs
  • 20 safe digital I/Os
  • 11 safe relay outputs
  • 10 auxiliary outputs
  • up to 2 safe axes


SMX Series