Echuan Hydraulic
Echuan Hydraulic Machinery Co., Ltd.
No. 53 Shuikou Avenue, Huizhou, Guangdong, China
Tel +86-752-2399772 · WhatsApp +86-13422935851
[email protected] · www.echuan-hydraulic.com
Product Data Sheet

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Product Description

Allen-Bradley 1756-DHRIOXT ControlLogix DH+/RIO Communication Module

The Allen-Bradley 1756-DHRIOXT is a robust, dual-port ControlLogix communication module specifically engineered for extended temperature environments. It seamlessly supports Data Highway Plus (DH+) and Remote I/O (RIO) network protocols, providing a critical bridge between legacy Allen-Bradley networks and modern ControlLogix architectures. The “XT” designation ensures reliable operation in extreme industrial conditions, with an operating temperature range of -25°C to +70°C. This module features highly configurable network types—including DH+ communication rates of 57.6K, 115K, and 230K, or RIO Scanner functionality—and utilizes convenient rotary switches for simple node addressing. Built for safety and durability, it carries multiple hazardous location certifications including Class I, Division 2 and ATEX Zone 2.

Technical Specifications:

  • Brand: Allen-Bradley

  • Model: 1756-DHRIOXT (Series B)

  • Module Type: ControlLogix XT Dual-Port Communication Module

  • Supported Protocols: Data Highway Plus (DH+) and Remote I/O (RIO)

  • Operating Temperature: -25°C to +70°C (-13°F to 158°F)

  • DH+ Communication Rates: 57.6 Kbps, 115.2 Kbps, 230.4 Kbps

  • Backplane Current (5V DC): 650 mA

  • Backplane Current (24V DC): 17 mA

  • Hazardous Location Ratings: Class I, Div 2, Groups A, B, C, D (Temp Code T4A); ATEX II 3 G Ex nA IIC T4 Gc

Allen-Bradley 1756-DHRIOXT ControlLogix DH+/RIO Communication Module Description

Allen-Bradley 1756-DHRIOXT ControlLogix DH+/RIO Communication Module

Shop the Allen-Bradley 1756-DHRIOXT ControlLogix DH+/RIO Communication Module. This rugged, dual-port XT module bridges DH+ and RIO networks and operates in extreme temperatures (-25°C to +70°C) for reliable industrial automation and legacy system integration.

BrandAllen-Bradley
Model1756-DHRIOXT
Part No.966699158916
CategoryElectrical
Linkhttps://www.echuan-hydraulic.com/product/allen-bradley-1756-dhrioxt-controllogix-dh-rio-communication-module
Request a quote: [email protected] · WhatsApp +86-13422935851 · Tel +86-752-2399772
All brand names and model numbers are the property of their respective manufacturers and are used for identification only. Pictures are for reference; confirm specifications before ordering.