• Extendable up to: 
  • max. 42 safe digital inputs,
  • max. 12 safe digital outputs,
  • max. 20 safe digital I/O‘s,
  • max. 9 safe relay outputs,
  • max. 10 auxiliary outputs,
  • max. 1 safe axis
• Free programmable for the safe processing of emergency stop buttons, two-hand controls, light curtains, mode selection switches, etc.
• Comprehensive speed- and position-related safety functions for drive monitoring integrated into the firmware
• Spatial functions for safe speed and zone monitoring are possible
• Speed monitoring:
• RPM-monitoring
• Standstill monitoring
• Sense of rotation monitoring
• Safe incremental dimension
• Emergency Stop monitoring
• Position monitoring
• Position range monitoring
• Trend range monitoring
• Target position monitoring
• Freely programmable modular controller for up to 800 IL instructions
• Logic diagram oriented programming via SafePLC²
• Pulse outputs for cross-shorting detection of digital input signals
• External contact mon itoring of connected switchgear (EMU)
• Switchable safe semi-conductor outputs pn-, pp- switching for safety-relevant functions
• Monitored relay outputs for safety relevant functions
• Comprehensive diagnostics functions integrated
• Parameter management for expansion modules in base device
• Coded status display via front-side 7 segment display and status LEDs
• Multifunction button (quit, start, reset) can be operated from the front side
• Configurable via SafePLC² über USB serial adapter or ethernet based field bus
• Optional: integrated Communication interface : 
  • Standard and safe field bus protocols for communication with a higher level controller
    (PROFIBUS, PROFINET, CANopen, EtherCAT, Modbus TCP, PROFIsafe, FSoE)
  • Safe cross communication (SMMC) for data exchange between multiple base devices
  • Field bus protocols with the same hardware can be switched with SafePLC²
  • Safe remote I/O communication for data exchange with distributed I/O systems
• The mechanical structure of SMX11/2 (/x*) is depended on the respective forms of the base module

* Optional: integrated communication interface (/DNM, /DBM)