Allen-Bradley 1791-OB32 Block I/O Module

The Allen-Bradley 1791-OB32 Block I/O Module is a high-capacity output interface designed for use within the FLEX I/O system. With 32 discrete outputs, this module provides reliable digital output control for industrial automation applications, enabling operators to manage field devices such as solenoids, relays, and indicators efficiently. This module shines in distributed I/O applications where you need to place control points close to machinery. Instead of running dozens of individual wires back to a central cabinet, you can install the 1791-OB32 locally and use a single network connection. This enables users to significantly reduce wiring costs and troubleshooting time.The 1791-OB32 is engineered for robust performance in demanding industrial environments, offering seamless integration with Allen-Bradley FLEX I/O adapters and backplanes. Its modular design simplifies system expansion and maintenance, supporting scalable and flexible automation solutions.

Model: 1791-OB32
Type: Block I/O Output Module
Platform: FLEX I/O
Number of Output Points: 32 discrete outputs
Output Type: Sinking or sourcing (model-specific)
Nominal Output Voltage: 24 V DC
Maximum Output Current: 0.5 A per channel
Operating Temperature: 0°C to +60°C
Storage Temperature: -40°C to +85°C
Mounting: FLEX I/O backplane compatible
Communication Interface: Via FLEX I/O adapter modules
Protection Rating: IP20
Isolation Voltage: 50 Volts
On-state voltage: 10-31.2 Volts DC
Thermal dissipation: 18.1 BTU/hour
Surge Current: 2 Amps

• High-Density Output: The Allen-Bradley 1791-OB32 Block I/O Module provides 32 discrete outputs, allowing efficient control with fewer modules and reducing overall cabinet footprint.
  
• Reliable Industrial Performance: Designed to operate under harsh conditions, including vibration and electrical noise, the module ensures long-term operational stability.
• Flexible Integration: Fully compatible with Allen-Bradley FLEX I/O systems for scalable automation, guaranteeing seamless system operation when using the 1791-OB32 Block I/O Module.
• Sinking and Sourcing Options: Supports multiple wiring configurations to meet diverse application needs.
• Ease of Installation and Maintenance: Modular design allows quick replacement and expansion.
• Enhanced System Efficiency: Provides precise digital output control for improved process reliability.
• Optimized Automation: Enables seamless control of multiple field devices, reducing system complexity.

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