Interlock control system ICS-9

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Reference number: LMT-ICS-9

The interlock control system ICS-9 reaches the highest possible performance level "PL e" when properly installed in accordance with EN ISO 13849-1.


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ICS-9 interlock control system for safe laser applications

The use of interlocks is required for all Class 3B and Class 4 lasers regardless of their application in accordance with EN / IEC 60825-1. The ICS-9 Interlock System, when properly installed, meets the highest possible performance level PL e in accordance with EN ISO 13849-1. 

With this compact, versatile and fail-safe laser interlock system, you have full control over:

  • the activity of lasers via their interlock contacts, power supply and shutter
  • mechanical or coded magnetic safety switches
  • illuminated warning signs window blinds, curtains and access doors

Specifications and Features

  • PL E (Performance Level E) according to EN ISO 13849-1
  • SIL4 according to EN 61508
  • CAT III according to EN 61010-1
  • Safety-locked supply of the laser shutter (interlock)
  • Safety-locked power supply of the laser (Interlock)
  • Interlock connection mode
  • Automatic switching of illuminated signs
  • Use with mechanical or coded magnetic door switches
  • Automatic fault detection and shutdown
  • Reset switch
  • Key-switch operation to prevent unauthorised use
  • Arm laser button
  • LED indication for interlock switch status; expansion board, emergency switch, reset ready; system checked; override on and Laser armes
  • Display easy to clean, easy operation even with work gloves
  • Connect to virtually unlimited number of door contacts and Emergency Stop Buttons
  • Can be connected into Fire Alarm or Access Controll system


  • Emergency switch
  • Fail-safe, adjustable, temporary bridging (override)
  • Safe or non-secure bypass switches: Pushbutton, pushbutton or magnetic stripe card
  • Bypass Alarm
  • Fail-safe door-locking interlock system, compatible with safety guidelines in case of fire or other dangerous situations
  • Use with one-way, two-way or three-way signs
  • Configuration possible to protect one or two areas, e.g. a closed enclosure or laboratory with the enclosure open