Remote I/O Systems Enable Users to Easily Mix and Match Hazardous and Nonhazardous Area Signals

Description

Pepperl+Fuchs introduces LB/FB Remote I/O Systems.  Designed to facilitate the connection of traditional input and output signals onto a bus network, LB/FB systems support general-purpose or intrinsically safe applications with modules that can be mixed and matched on the same backplane. These systems facilitate connection to PROFIBUS DP, Modbus, and FOUNDATION fieldbus for all traditional signal types, including discrete, analog, frequency and temperature.  Redundancy for the communication interface and power supply ensures high reliability.  

“Anyone using a traditional intrinsic safety barrier can benefit from LB/FB remote I/O systems, as they allow barriers to be pushed into Division 2 and Zone 1 hazardous areas.  These remote I/O systems are also an excellent choice for upgrades and expansions, and are beneficial when devices such as thermocouples or RTDs do not have a fieldbus interface,” says Brian Traczyk, Pepperl+Fuchs Product Manager.

LB/FB Remote I/O System users benefit from:
•    Reduced wiring
•    Fewer DCS control cards
•    Fewer terminations for reduced installation costs
•    No need for marshalling panels
•    Reduced control cabinet space needs
•    Faster commissioning

LB systems are designed for general-purpose as well as intrinsically safe (IS) applications and are rated for Division 2 mounting with inputs, and/or outputs mounted in a Division 1/Zone 0 area.  FB systems are designed for intrinsically safe or increased safety applications and rated for Zone 1 mounting with inputs, and/or outputs mounted in a Zone 0 area.   

With LB systems, IS and general-purpose modules can be mixed and matched on the same backplane.  LB systems include a backplane, communication interface, power supply, and I/O modules.  They can be DIN Rail mounted for easy integration, or Pepperl+Fuchs’ Systems & Solutions Group can pre-mount the system in an enclosure specified by the user.

With FB systems, IS and increased safety modules can be mixed and matched on the same backplane.  FB systems include a backplane/enclosure, communication interface, power supply, and I/O modules.  The system comes installed in the user’s choice of enclosure with GRP, fiberglass and stainless steel as standard options.  FB systems are available with a number of optional accessories that can be mounted within the enclosure to extend its functionality, including terminal blocks, fuses and disconnect switches.

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