Allen Bradley 1756-RIO ControlLogix Remote I/O Scanner/Adapter Module – RIO Bridge for Legacy PLC Systems

The Allen Bradley 1756-RIO is a Remote I/O (RIO) scanner/adapter module designed for ControlLogix systems to communicate with legacy Allen Bradley RIO / Blue Hose networks. This module provides a reliable compatibility bridge between modern ControlLogix controllers and older PLC-5, SLC 500, drives, and RIO-based distributed I/O systems.

The 1756-RIO allows industrial sites to modernize control systems in phases—reusing existing field wiring and I/O hardware while upgrading the PLC processor and network architecture. This significantly reduces downtime and upgrade costs when transitioning from legacy platforms to ControlLogix.

Technical Specifications

Model: 1756-RIO Allen Bradley
Brand: Allen Bradley
Series: ControlLogix
Module Type: RIO Scanner / Adapter Communication Module
Network Type: Remote I/O (RIO) / Blue Hose
Function: Enables communication between ControlLogix CPU and RIO-based systems
Compatibility: PLC-5, SLC 500, Drives, and Legacy RIO Field I/O

Communication & Protocol Capabilities

• Supports: Remote I/O (RIO) legacy network protocol
• Does NOT Support: Ethernet/IP, DeviceNet, DH+, Modbus, Profibus
• Use Case: Migration and phased control modernization
• Interfaces: RIO Channel interface (no Ethernet/USB/Serial onboard)
• Redundancy Support: Not supported

Mechanical & Installation Specifications

• Mounting: ControlLogix chassis slot
• Cooling Method: Chassis backplane airflow
• Module Type: Standard ControlLogix communication module

Environmental Specifications

• Operating Environment: Industrial PLC control systems
• Explosion Safety (Gas/Dust): Not rated (standard industrial environment)

Compliance & Certifications

• CE Marked: Yes
• UL / cUL Listed: Yes
• RoHS Compliant: Yes
• Industrial Control Standards: IEC / EN compliant

Key Features & Benefits

✅ Ideal for Phased System Upgrades. Modernise the CPU while keeping existing RIO I/O wiring.

✅ Cost-Saving Migration Strategy. Avoids full system rip-and-replace during upgrades.

✅ Seamless Integration with ControlLogix. Uses standard Logix programming environment.

✅ Extends Life of Installed Legacy Equipment. Protects existing investment in RIO panels and field hardware.

✅ Reliable in Industrial Conditions. Built for long-term continuous operation.

📦 Order the Allen Bradley 1756-RIO from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1756-RIO prices, with fast delivery and full system upgrade support across the UK and Europe.

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