Class I Division 1 Hot Swappable Remote I/O Modules. Remove The Need For Cast Explosion Proof Boxes.

R. STAHL, the leader in explosion protection, is pleased to offer their Class I Division 1 Remote I/O Modules.  These devices are certified for Division1, and do not require explosion proof enclosures typical of other models. 

Click here to configure your own Intrinsic Safe Solution for Div. 1 or Div 2.

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Video 1: The new I/O-modules IS1+

Video 2: Introduction on Remote I/O system IS1+

Video 3: How to install a modern Remote I/O system

Download: IS1+ Remote I/O                                             





  • Certified for Class I Division1 (explosion proof enclosures not needed)

  • ATEX IECEx Certifications for Zone 1, and Zone 2.

  • Hot Swappable for all modules in the hazardous areas.

  • Fieldbus communication: Profibus DP V0/V1 HART, Modbus RTU, Industrial Ethernet with Modbus TCP, EtherNet/IP, PROFINET and FF HSE

  • -40 Deg C to +75 Deg C ambient temperature rated.

  • Pneumatic valves can be built into the remote I/O system.

  • Optical Fiber Rings Capabilities.

  • System redundancy, media redundancy and optical rings

  • DTM technology for full access to all system, IO and HART field device information

  • Optional ServiceBus for diagnostics and HART communication

  • Ask STAHL about building and certifying the entire panel system (click the online chat button).

Get the entire system overview

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