1756-DHRIO | Allen-Bradley ControlLogix Bridge/Scanner Module

Allen-Bradley · HMIs & Displays

Description  The Allen-Bradley 1756-DHRIO is a ControlLogix communication module designed for Data Highway Plus (DH+) and Remote I/O (RIO) networks. It provides two communication channels for connecting ControlLogix systems with legacy Allen-Bradley PLCs and devices.     Technical Specifications  Condition New /  Never Used Surplus Brand Allen-Bradley Series ControlLogix Part Number 1756-DHRIO Manufacturer Rockwell Automation Module Type Data Highway/Remote I-O Communication Module Location 1756 ControlLogix Chassis Communication Speed 57.6 Kbaud, 115.2 Kbaud, 230.4 Kbaud Cable Length 3048 m (10000 ft), , 1524 m (5000 ft),762 m (2500 ft) Recommended Cable Belden 89463 twinaxial, 0.52 mm² (20 AWG)rated at 200 °C (392 °F) Backplane Current (5Volts) 1.7 milliamps Backplane Current (24 Volts) 850 milliamps Power Dissipation (Max) 4.5 Watts Thermal Dissipation (Max) 15.4 BTU per hour Enclosure Open Operating Temperature 0-60 Celsius, 32-140 Fahrenheit Slot width 1       Information About 1756-DHRIO The 1756-DHRIO is part of the Allen-Bradley ControlLogix 1756 communication module family, developed to bridge modern Logix platforms with older Allen-Bradley network infrastructures. This module supports two independent communication channels, each configurable for DH+ or RIO operation. In DH+ mode, it enables peer-to-peer communication between PLC-5, SLC 500, and ControlLogix controllers. In RIO mode, it allows the ControlLogix controller to act as a scanner or adapter for legacy remote I/O devices. It features high-speed data transfer, network diagnostics, and LED status indicators for simplified monitoring. Rack-mounted in a ControlLogix chassis, the 1756-DHRIO provides seamless integration of legacy systems into modern control architectures. Key Features: Design: Dual-channel communication module for ControlLogix systems. Networks Supported: Data Highway Plus (DH+) and Remote I/O (RIO). Channels: Two independent ports configurable for DH+ or RIO. Compatibility: Interfaces ControlLogix controllers with PLC-5, SLC 500, and legacy I/O. Functionality: Supports peer-to-peer communication and RIO scanner/adapter roles. Diagnostics: LED indicators for channel status and network activity. Installation: Rack-mounted in 1756 ControlLogix chassis. Application Range: Suitable for system integration, legacy migration, and hybrid automation. The 1756-DHRIO delivers the connectivity and flexibility required for integrating legacy networks with modern ControlLogix systems.

Brand: Allen-Bradley · Category: HMIs & Displays

Key features

• Design: Dual-channel communication module for ControlLogix systems.
• Networks Supported: Data Highway Plus (DH+) and Remote I/O (RIO).
• Channels: Two independent ports configurable for DH+ or RIO.
• Compatibility: Interfaces ControlLogix controllers with PLC-5, SLC 500, and legacy I/O.
• Functionality: Supports peer-to-peer communication and RIO scanner/adapter roles.
• Diagnostics: LED indicators for channel status and network activity.
• Installation: Rack-mounted in 1756 ControlLogix chassis.
• Application Range: Suitable for system integration, legacy migration, and hybrid automation.

Specifications

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