A-B 1756-RM Control Module

The 1756-RM Control Module from Rockwell Automation serves as a critical interface solution for distributed control systems. Designed for demanding industrial environments, this module enables seamless communication between controllers and field devices through its dual Ethernet ports and redundant media capabilities. Its primary role in manufacturing cells and process skids makes it particularly valuable for applications requiring high availability and precise timing coordination.

Technical Specifications

Attribute	Specification
Manufacturer	Rockwell Automation (Allen-Bradley)
Module Type	Redundant Media Module
Port Configuration	2x 10/100Mbps Ethernet
Network Topology	Linear/Ring with Device Level Ring (DLR)
Dimensions	139 x 115 x 122 mm
Weight	0.7 kg
Operating Temp	-20°C to 65°C

Application Context

While originally designed for integration with ControlLogix systems, this module has proven particularly effective in legacy system upgrades where network redundancy becomes critical. I’ve seen it deployed in chemical processing plants maintaining 24/7 operations, where its media redundancy protocol (MRP) ensures zero network downtime during cable faults.

Our inventory includes related components like 1756-L71 controllers, 1756-EN2T communication modules, and 1756-IB16 input cards. For machine builders, this module forms the backbone of control panels meeting NFPA 79 standards while supporting CIP Sync for precise motion coordination.

Our Value Proposition

As a global distributor with 16 regional warehouses, we maintain 45-day turnover cycles for popular Logix platform components. Unlike standard offerings, our units undergo functional testing across multiple voltage thresholds (18-30V DC) to ensure compatibility with existing installations.

• 12-month warranty covering both parts and testing
• Cross-referencing support for obsolete module replacements
• Technical documentation including Quick Start Guides and CIP configuration examples

Pricing: For current quotations including extended warranty options, contact abbdcs36@gmail.com or connect via WhatsApp +86 190 6659 1275. Our Hong Kong warehouse maintains 98% same-day dispatch rate for standard configurations.