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Safe series connection
Flexi Loop

Cost-saving and safe series connection with diagnostic function

  • At a glance
    • Series connection of 32 sensors with up to 100 m per segment in compliance with performance level PL e
    • Compatible with sensors from all manufacturers
    • Detailed diagnostic information
    • Integrated standard inputs and outputs
    • Voltage supply for sensors is included
    • Unshielded standard cable featuring M12 connectivity
    • IP65 and IP67 enclosure rating
    • Intelligent accessories for field diagnostics and commissioning
    Your Benefits
    • Connecting both safety switches and safety sensors with OSSD outputs in series minimizes the amount of wiring and the number of inputs at the safety controller, thus reducing costs.
    • Easy retrofitting of existing machines
    • Simple calculation of the performance level saves time since the Flexi Loop node monitors each sensor individually
    • Quick and easy configuration saves time
    • Ability to be used over long distances increases application flexibility
    • Detailed diagnostic information – who switched and why? minimizes system downtime
    • Seamless system integration and communication with other SICK safety controllers
    • Detailed status information on Flexi Loop components, diagnostic accessories, and safety controller enable quick and easy field diagnostics
    Flexi Loop
    Cost-saving and safe series connection with diagnostic function

    Flexi Loop can connect up to 32 safety sensors in series in compliance with the highest performance level PL e. Safety switches and safety sensors with OSSD outputs can be used together, regardless of manufacturer. Detailed diagnostic information is also available for each sensor or switch. Integrated switching signals allow for the use of interlocks, switches, and lamps. All sensors are supplied with voltage directly from the Flexi Loop. Unshielded standard cables are used with M12 male connectors. Ultimately, Flexi Loop can be relied upon for maximum safety. Connecting sensors in series reduces the amount of wiring and the number of safety inputs in the control cabinet. It also provides a comprehensive diagnostic check of all doors, emergency stop pushbuttons, and sensors. In conjunction with Flexi Soft and Flexi Classic, the entire safety application is able to cost-effectively meet customer needs.

    • Technical data overview
      Safety integrity level

      SIL3 (IEC 61508)

      SILCL3 (EN 62061)

      CategoryCategory 4 (EN ISO 13849)
      Performance levelPL e (EN ISO 13849)
      Suitable for

      Flexi Classic

      Flexi Soft

      Safety device connection

      For safety sensor with dual-channel OSSD outputs

      For dual-channel equivalent electro-mechanical safety switch (EMSS)

      Structure of a Flexi Loop cascade

      Modular

      1 ... 32 Flexi Loop nodes

      0 ... ∞ Flexi Loop accessory nodes

      1 Flexi Loop terminator

      Enclosure rating

      IP65 (EN 60529)

      IP67 (EN 60529)

      Ambient operating temperature–25 °C ... +55 °C
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11 results:

Result 1 - 11 out of 11

1061713
Flexi Loop
Safe series connection
  • Flexi Loop component: Module for connection to Flexi Classic
  • Description: Flaxi Loop master node to connect a Flexi Loop cascade to Flexi Classic. System diagnostics during operation and during commisioning without busmaster.
  • Details
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1067650
Flexi Loop
Safe series connection
  • Flexi Loop component: Module for connection to Flexi Classic
  • Description: Flaxi Loop master node to connect a Flexi Loop cascade to Flexi Classic. System diagnostics during operation and during commisioning without busmaster.
  • Additional interfaces: IO-Link
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2074734
Flexi Loop
Safe series connection
  • Flexi Loop component: Y-adapter
  • Description: The Flexi Loop Y-adapter (OSSD) splits the 8-pin connection of the FLN-OSSD1100108 in two 5-pin connections: One for safety sensors with dual-channel OSSD outputs and one for non-safe I/O signals.
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2074733
Flexi Loop
Safe series connection
  • Flexi Loop component: Y-adapter
  • Description: The Flexi Loop Y-adapter (EMMS) splits the 8-pin connection of the FLN-EMSS1100108 in two 5-pin connections: One for dual-channel equivalent electro-mechanical safety switches and one for non-safe I/O signals.
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1061714
Flexi Loop
Safe series connection
  • Flexi Loop component: Module for field diagnostics
  • Description: The diagnostics module is used as a commissioning aid and to display the Flexi Loop states during operation.
  • Details
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1061709
Flexi Loop
Safe series connection
  • Flexi Loop component: Node for safety sensors (OSSD)
  • Use of Flexi Loop node: For safety sensor with dual-channel OSSD outputs, With standard input
  • Connection type safety device: Female connector M12, 5-pin
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1061711
Flexi Loop
Safe series connection
  • Flexi Loop component: Node for safety switch (EMSS)
  • Use of Flexi Loop node: For dual-channel equivalent electro-mechanical safety switch (EMSS)
  • Connection type safety device: Female connector M12, 5-pin
  • Details
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1061712
Flexi Loop
Safe series connection
  • Flexi Loop component: Node for safety switch (EMSS)
  • Use of Flexi Loop node: For dual-channel equivalent electro-mechanical safety switch (EMSS), With standard input, With standard output
  • Connection type safety device: Female connector M12, 8-pin
  • Details
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1061710
Flexi Loop
Safe series connection
  • Flexi Loop component: Node for safety sensors (OSSD)
  • Use of Flexi Loop node: For safety sensor with dual-channel OSSD outputs, With standard input, With standard output
  • Connection type safety device: Female connector M12, 8-pin
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1061716
Flexi Loop
Safe series connection
  • Flexi Loop component: Module to terminate series connection
  • Description: The terminator is used to terminate the safe series connection at the last Flexi Loop node.
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1061715
Flexi Loop
Safe series connection
  • Flexi Loop component: Module for energy supply
  • Description: The power supply module is used to connect a power supply with 24 V DC, for the electrical isolation and for overcurrent shutdown.
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Result 1 - 11 out of 11

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