1771-ACN
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Shipping & Delivery
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Product Conditions
Product Conditions
Surplus: Surplus units show no signs of installation or having been used previously. These units are in the original packaging, which may have been opened.
Used: Used units have been previously used and are inspected, cleaned and tested.
All units come with a 1 Year Replace Industrial Warranty.
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Tax & Exemptions
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Product Conditions
Replace Industrial, LLC is not affiliated with any of the manufacturers listed on this website. All products are sourced & verified through the industrial surplus market and through other independent supply chains. We do not convey any manufacturer warranty with the product. Each product sold comes with a 2 Year Replace Industrial Warranty, unless specified otherwise. This warranty conveys solely through Replace Industrial, LLC. and is completely unaffiliated with any manufacturer warranty. The terms of our warranty can be found here.
Surplus: This unit is sourced through the industrial market outside of the manufacturer and has been independently verified to not have been used operationally previously. These units are in the original packaging, but the packaging & unit may show signs of shelf wear.
Used: This unit may have been previously used and show signs of wear. The unit has been independently verified and is guaranteed with a 1 Year Replace Automation Warranty. The unit has been sourced through independent supply chains in the industrial markets.
Firmware: Replace Industrial, LLC sells hardware only and does not sell firmware and makes no representation as to what firmware may or may not be present on the hardware. We do not obtain or provide software for customers.
Allen-Bradley 1771-ACN
The Allen-Bradley 1771-ACN is a ControlNet adapter module from the PLC-5 family, designed to integrate 1771 I/O systems into a ControlNet network. This module plays a central role in enabling deterministic, high-speed communication between PLC processors and distributed I/O modules. Equipped with a status display, network access port (NAP), reset button, and a single ControlNet BNC connector, the 1771-ACN simplifies diagnostics and connectivity. It supports up to 32-channel I/O modules and installs directly into a standard 1771 I/O chassis, making it an ideal choice for distributed industrial control applications requiring reliable data transmission.
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number | 1771-ACN |
| Product Type | ControlNet Adapter Module |
| Series | PLC-5 / 1771 |
| Communication Protocol | ControlNet |
| Connectors | 1x BNC ControlNet, 1x NAP Port |
| User Interface | Status Display, Reset Button |
| Supported I/O | Up to 32-Channel I/O Modules |
| Mounting | 1771 I/O Chassis |
| Status | Discontinued by Manufacturer |
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