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Allen Bradley 1756-RIO ControlLogix Remote I/O Module

Allen Bradley 1756-RIO ControlLogix Remote I/O communication module.

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ManufacturerAllen Bradley

Part number1756-RIO

Module Type Remote I/O Communication Module

Manufacturer Allen Bradley

Series ControlLogix

Function Scanner or Adapter

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Scanner or Adapter Mode Supports Block Transfers Analog and Specialty Data Transfer 1 RIO Port Connects to 32 Physical Racks Seamless ControlLogix Integration Efficient Data Exchange

Product description

The Allen-Bradley 1756-RIO is a ControlLogix Remote I/O (RIO) communication module that can function as either a scanner or an adapter in a RIO network. It provides connectivity for a ControlLogix processor to a Remote I/O network, enabling data transfer between the controller and RIO devices. This module supports block transfer instructions, analog data, and specialty data, facilitating efficient communication without the need for explicit message instructions.

This module is crucial for expanding I/O capabilities in ControlLogix systems, allowing integration of remote I/O racks and devices. It is widely used in manufacturing, process control, and automation applications where distributed control and data acquisition are required.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen-Bradley 1756-RIO. We provide tested, reliable surplus automation components. Secure your ControlLogix system upgrades and maintenance needs with quality parts from Stanlo Automation.

Technical specifications

Module Type	Remote I/O Communication Module
Manufacturer	Allen Bradley
Series	ControlLogix
Function	Scanner or Adapter
RIO Ports	1
Max Physical Racks	32
Power Dissipation	2.5 W
Isolation Voltage	50V

Common applications

Distributed I/O Control

Remote Data Acquisition

Manufacturing Automation

Process Control

System Expansion

PLC Networking

Compatible systems

ControlLogix Processors SLC 500 systems PLC-5 systems Remote I/O devices

Also known as

Allen Bradley 1756-RIO Module 1756-RIO Scanner ControlLogix Remote I/O

Replaces / compatible with

The 1756-RIO is a key component for expanding I/O in ControlLogix systems. It replaces the need for direct wiring by enabling communication with remote I/O racks.

Technical note

Expert tip

When installed as a scanner, the 1756-RIO module defaults to scanner mode and supports up to 32 physical adapters, all remote I/O baud rates, and partial rack combinations.

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Frequently asked questions

Can the Allen Bradley 1756-RIO module function as both a scanner and an adapter?

Yes, the Allen Bradley 1756-RIO module can operate in both scanner and adapter modes. In scanner mode, it communicates with devices on a Remote I/O network, while in adapter mode, it allows a system scanner to exchange data with the module.