1791-16B0 | Allen-Bradley 16-Point DC Block I/O Module - Petro Auto Tech

Product Overview

The 1791-16B0 is a 16-point DC Block I/O module from Allen-Bradley, part of the trusted 1791 Block I/O series. This module provides 16 DC inputs and operates on a 24V DC power supply. It converts incoming DC power to a level suitable for the connected processor, making it a reliable interface for various industrial control systems.

Technical Specifications Analysis

The 1791-16B0 features 16 inputs per block and requires a voltage of 24V dc. Its maximum input impedance is 3.4K Ohms, ensuring stable signal conversion. Weighing 1.00 lbs (0.45 kg), this compact module is easy to integrate into existing panels. The UPC is 612598127054.

Application Scenarios & Usage Methods

This block I/O module works well with pushbutton switches, float switches, selector switches, limit switches, and proximity switches. Use it in material handling systems to monitor conveyor belt positions or in packaging lines to detect product presence. The 1791-16B0 is compatible with Allen-Bradley PLC-2, PLC-3, PLC-5/250, PLC-5, and SLC controllers. Its removable terminal strip simplifies wiring modifications.

Installation Guide & Packing List

Mount the module on a DIN rail or panel using the provided hardware. Before wiring, disconnect power and verify that all connected devices match the 24V dc input specification. The package includes the 1791-16B0 module, a removable terminal strip, and mounting hardware. Refer to the user manual for detailed wiring diagrams.

Purchasing Advice

When selecting a block I/O module, confirm that your system voltage matches the 24V dc requirement of the 1791-16B0. This module offers 16 inputs, making it suitable for medium-density applications. Petro Auto Tech stocks genuine Allen-Bradley parts with fast shipping and competitive pricing.

Repair & Maintenance Tips

Periodically inspect the terminal connections for tightness and signs of corrosion. Keep the module clean and dry, and avoid exposure to excessive vibration. Use the status indicator on the module for quick troubleshooting. Replace any damaged wiring immediately to prevent signal loss.

Frequently Asked Questions (FAQs)

Q: What is the input voltage of the 1791-16B0?

A: The 1791-16B0 requires a 24V dc input voltage.

Q: How many inputs does this module have?

A: It has 16 inputs per block.

Q: What is the maximum input impedance?

A: The maximum input impedance is 3.4K Ohms.

Q: Which Allen-Bradley PLCs are compatible?

A: It is compatible with PLC-2, PLC-3, PLC-5/250, PLC-5, and SLC controllers.

Q: What types of switches can I use with this module?

A: You can use pushbutton, float, selector, limit, and proximity switches.