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SKU: 1715-OB8DE

Allen-Bradley 1715-OB8DE Digital Output Module

The Allen-Bradley 1715-OB8DE is a redundant 8-point digital output module featuring current-sourcing capabilities and 24V DC operation. It offers advanced diagnostics and high-availability performance for critical industrial automation and fault-tolerant control systems.

The Allen-Bradley 1715-OB8DE provides highly reliable discrete control for mission-critical automation systems. This 8-point digital module supports current-sourcing outputs within a 24V DC architecture. It specifically integrates with the 1715 Redundant I/O platform to eliminate single points of failure. Consequently, the hardware ensures continuous operation in hazardous or high-availability processing environments. Engineers typically deploy this module where unplanned downtime represents a significant safety or financial risk.

Diagnostic Monitoring and Protection

Advanced onboard diagnostics set the 1715-OB8DE apart from standard digital output modules. The unit features a dedicated status display for real-time health monitoring of field loops. Moreover, internal circuitry provides essential surge transient immunity against electrical interference. Each output point maintains stability by managing up to 1 amp of current effectively. These integrated protections prevent damage to both the module and connected field devices. Thus, the system maintains high signal integrity under varying load conditions.

Industrial Durability and Design

The 1715-OB8DE features a robust, compact housing designed for standard DIN rail mounting. This open-style enclosure supports efficient heat dissipation during high-density operations. Furthermore, the module withstands significant physical stress, including operational shocks up to 50 g. Its wide operating temperature range allows for installation in extreme climates. The lightweight design simplifies maintenance and module replacement in crowded control cabinets. This hardware represents a durable solution for oil, gas, and chemical processing facilities.

Connectivity and Expansion

Users easily connect this module to a 1715-AENTR adapter for seamless Ethernet communication. The redundant architecture allows for hot-swapping modules without interrupting the control process. Additionally, the software interface provides granular control over individual output parameters. This flexibility simplifies the integration of valves, actuators, and motor starters. The 1715-OB8DE remains a primary choice for engineers seeking uncompromising reliability in distributed I/O systems.

Technical Performance Overview

  • Output Quantity: 8 Current-Sourcing Channels
  • Voltage Range: 18V DC to 32V DC
  • Max Current per Point: 1.0 Amp
  • System Power Dissipation: 3.0 Watts Maximum
  • Field Loop Dissipation: 0.17 Watts per Point
  • Wiring Requirements: 18 to 16 AWG Copper Conductors
  • Operating Temperature: -25°C to +70°C (-13°F to +158°F)
  • Ingress Protection: IP20 Rated