Product Introduction
The Allen-Bradley 1791-16BC Block I/O Module is an integrated digital I/O module designed for industrial automation systems requiring both input monitoring and output control within a single unit. Developed by Rockwell Automation and part of the Allen-Bradley Block I/O family, this module offers a practical solution for compact and efficient control architectures.
It provides 16 digital input channels and 16 digital output channels, supporting a 10–30 VDC input range with a standard 24 VDC operating voltage. The integrated block structure significantly reduces wiring complexity and simplifies installation, making it suitable for machine-level control and distributed automation systems.
Designed for reliability and ease of deployment, the 1791-16BC is commonly used in applications where space optimization and system integration are critical.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Model | Allen-Bradley 1791-16BC |
| Product Type | Block I/O Module |
| Digital Inputs | 16 Channels |
| Digital Outputs | 16 Channels |
| Input Voltage Range | 10–30 VDC |
| Nominal Voltage | 24 VDC |
| External Power Voltage | 19.2–30 VDC |
| External Power Current | 300 mA |
| Signal Type | Digital (Discrete) |
| Mounting Method | Panel Mount |
| Module Type | Block I/O Integrated Design |
| Application Environment | Industrial automation systems |
| Dimensions | 176.5 × 98 × 110.5 mm |
| Weight | 1.02 kg |
Applications
• Integrated Machine Control
Handles both sensor signal acquisition and actuator control within one compact module.
• Production and Assembly Systems
Monitors process conditions and controls outputs across multiple stations.
• Material Handling Equipment
Collects signals from sensors and controls conveyors and sorting mechanisms.
• Process Automation Systems
Used in systems requiring simultaneous monitoring and control operations.
• OEM Equipment Design
Ideal for machine builders needing compact and integrated I/O solutions.
• Factory Automation Lines
Supports centralized and efficient I/O handling in manufacturing environments.
Advantages
• Combined Input and Output Functionality
Integrates 16 inputs and 16 outputs, reducing the need for separate modules.
• Wide Voltage Compatibility
Supports flexible input voltage range for different industrial signal standards.
• Simplified Wiring and Installation
Block design minimizes wiring effort and speeds up commissioning.
• Stable External Power Support
Ensures reliable operation with defined voltage and current characteristics.
• Compact and Efficient Structure
Optimizes panel space while maintaining full functionality.
• Reliable Industrial Performance
Engineered for stable operation in demanding automation environments.
Excellent PLC
