Flexi Classic

Efficient and easy-to-use safety controller

Rotary DIP switch for easy adjustment
Modularly expandable
Direct wiring for all types of sensors
Logic functions: AND, OR, Muting, Bypass, Reset, EDM
Integration into all common fieldbuses
Integration of the safe sensor cascade Flexi Loop
Special muting modules are able to meet all the requirements of a demanding muting application

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At a glance

  • Two variants to choose from: main module for common applications or an expert module for muting
  • Central processing unit
  • Modularly expandable
  • 6 inputs, 4 outputs
  • Small width of 22.5 mm
  • Pluggable terminals for a fast module replacement
  • PNP outputs, each up to 2A

Your benefits

  • One module offers complete functionality of inputs and outputs up to the logic
  • Easy to expand if more inputs and outputs are required
  • Easy diagnostics via clear LED status indicators, which reduces downtime
  • Use of powerful PNP semiconductor outputs allows to remove relays
     
Safety-related parameters  
Safety integrity level: SIL3 (IEC 61508)
  SILCL3 (EN 62061)
Category: Category 4 (EN ISO 13849)
Performance level: PL e (EN ISO 13849)
PFHd: 2.5 * 1E-09 (EN ISO 13849)
TM (mission time): 20 a (EN ISO 13849)
Safe state in the event of a fault: The safety-related semiconductor outputs are in the OFF state.
   
Functions  
Restart interlock: Manual / automatic (configurable)
External device monitoring (EDM):  
AND operation:  
OR operation: -
Bypass: -
Differentiation between man and material (muting):
   
Mechanical data  
Dimensions (W x H x D): 22.5 mm x 96.5 mm x 120.8 mm
Weight: 180 g
   
Electrical data  
Protection class: III (EN 61140)
Type of voltage supply: PELV or SELV 1)
Supply voltage Vs: 24 V DC (19.2 V DC ... 30 V DC)
Ripple: ≤ 10 %
Power consumption: 3 W (DC)
Switch-on time: 60 s
1) The current of the power supply that powers the main unit must be limited to a maximum of 4 A, either through the power supply itself or a fuse.  
   
Interfaces  
Connection type: Plug-in screw-type terminals
Eindrahtig oder feindrahtig (1x): 0.14 mm² ... 2.5 mm²
Eindrahtig oder feindrahtig (2x): 0.14 mm² ... 0.75 mm²
Finely stranded with ferrules (1x): 0.25 mm² ... 2.5 mm²
Finely stranded with ferrules (2x): 0.25 mm² ... 0.5 mm²
Number of inputs: 2 Eingänge für die globale Not-Halt-Funktion, 2 switching inputs, 4 safety inputs
Number of outputs: 1 diagnostic output, 1 safety output, 2 Ausgänge für die globale Not-Halt-Funktion, 2 test outputs
   
Ambient data  
Protection class housing: IP 40 (EN 60529)
Enclosure rating terminals: IP 20 (EN 60529)
Ambient operating temperature: -25 °C ... +55 °C
Storage temperature: -25 °C ... +70 °C
Air humidity: 15 % ... 95 %, Non-condensing
Climate conditions according to: EN 61131-2 (55 °C ambient operating temperature, 95% rel. humidity)
Electromagnetic compatibility (EMC): Class A (EN 61000-6-2, EN 55011)
Vibration resistance: 5 g RMS, 5 Hz ... 500 Hz (EN 60068-2-64)