1794-ACNR15XT | Allen-Bradley Flex I/O ControlNet Adapter - Petro Auto Tech

Product Overview

The 1794-ACNR15XT is a Flex I/O ControlNet adapter module designed and manufactured by Allen-Bradley. This module enables seamless communication over ControlNet networks, making it an essential component for distributed I/O systems in industrial automation. As part of the Flex I/O 1794 product line, it offers robust performance and reliability for demanding applications.

Technical Specifications Analysis

The 1794-ACNR15XT operates on a DC input voltage ranging from 19.2 to 31.2 Volts DC and draws a current input of 400 milliamps. Its peak power dissipation is 3.4 Watts at 19.2 Volts DC. The module supports up to 8 I/O modules, providing flexible expansion capabilities. It uses a Belden RG-6/U ControlNet cable for communication. The unit weighs 0.31 lbs (0.14 kg) and has dimensions of 87.4 x 94 x 92 millimeters. It complies with T4A North American temperature code and T4 ATEX and IECEx temperature codes for hazardous location use.

Application Scenarios & Usage Methods

This adapter is ideal for applications requiring distributed I/O in hazardous environments where vapors, mist, or gases may occasionally occur. Common uses include chemical processing plants, oil and gas facilities, and pharmaceutical manufacturing. For optimal performance, use Category 3 wire for power ports and Category 2 wire for communication ports. Connect power using 22 to 12 AWG solid/stranded copper wire, and ensure terminal screw torque does not exceed 7 pounds on an inch.

Installation Guide & Packing List

Install the 1794-ACNR15XT adapter in a suitable enclosure, ensuring proper grounding and protection from electrostatic discharge. Do not disconnect the module in hazardous locations unless power has been removed first. Use only a soft anti-static cloth for cleaning; avoid cleaning agents. The package typically includes the 1794-ACNR15XT adapter module and documentation. Additional components such as cables and power supplies are sold separately.

Purchasing Advice

When selecting the 1794-ACNR15XT, verify that your system requires ControlNet communication and supports up to 8 I/O modules. This adapter is suitable for DC power systems within 19.2 to 31.2 Volts DC. For reliable supply, consider purchasing from Petro Auto Tech, an industrial automation parts supplier known for quality and service.

Repair & Maintenance Tips

Regularly inspect the module for signs of damage or contamination. Keep the adapter clean using a soft anti-static cloth only. Store in a dry, static-safe environment. Before any maintenance, disconnect power to prevent electrical hazards. Periodically check connections and cable integrity to ensure reliable operation.

Frequently Asked Questions (FAQs)

Q: What is the input voltage range for the 1794-ACNR15XT?

A: The input voltage range is 19.2 to 31.2 Volts DC.

Q: How many I/O modules can this adapter support?

A: The 1794-ACNR15XT supports up to 8 I/O modules.

Q: What type of cable is recommended for ControlNet communication?

A: The recommended cable is Belden RG-6/U.

Q: Can the 1794-ACNR15XT be used in hazardous locations?

A: Yes, it is approved for use in hazardous locations where vapors, mist, and gases are not likely to occur frequently.

Q: What is the weight of the 1794-ACNR15XT adapter?

A: The weight is 0.31 lbs (0.14 kg).