Redundant I/O modules

Bulletin 1715 Redundant I/O modules provide true redundant I/O support for critical process applications in standard and extreme operating environments.  With exceptional ease-of-use, premier diagnostics, and flexible configuration, these modules support fault tolerant capabilities without requiring additional hardware or software.

Features

  • Offer flexible, modular construction for user-configurable I/O applications
  • Provide I/O redundancy for system requiring high availability
  • Suitable for simplex and duplex connections and for fault tolerant applications
  • Require no additional hardware or programming software
  • Allow module removal and replacement online with no interruption of the signal inputs

Products

1715 Analog Input modules

  • Offer 4…20 mA input
  • 16-channel connection capability
  • Independent, galvanically isolated input channels
  • Built-in diagnostic testing

1715 Analog Output modules

  • Offer 4…20 mA output
  • Support as many as eight field devices
  • Provide secure communication between modules for fault tolerant operation
  • Include two-terminal current regulating device

1715 Digital Input modules

  • Offer 24V DC input
  • 16-channel connection capability
  • Independent, galvanically isolated input channels
  • Built-in diagnostic testing
  • Provide input voltage data for line monitoring and field fault detection

1715 Digital Output modules

  • Offer 24V DC output
  • Eight isolated output channels per module
  • Offer fail-safe design and operation
  • Provide duplex series output switches with overload protection for each channel
  • Provide voltage and current monitoring on each channel with reverse current protection
  • Support short circuit and open circuit line fault detection
  • Allow dual redundant field power feed capabilities without requiring external diodes
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