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SKU: 1756-M08SE

Allen-Bradley 1756-M08SE ControlLogix SERCOS Interface Servo Module

The Allen-Bradley 1756-M08SE is a high-speed SERCOS interface module for ControlLogix, enabling precise multi-axis motion control across Kinetix drive systems.

Product Overview

The Allen-Bradley 1756-M08SE serves as a high-performance SERCOS interface module engineered specifically for the ControlLogix automation platform. System architects utilize this module to bridge the ControlLogix backplane with SERCOS-based servo drive networks. Because the unit manages high-speed digital synchronization between the controller and up to eight Kinetix servo drives, it ensures precise coordination of motion profiles, including position, velocity, and torque control. This module provides a robust foundation for multi-axis synchronization in complex manufacturing equipment.

Technical Specifications

  • Model Identification: 1756-M08SE
  • Manufacturer: Allen-Bradley (Rockwell Automation)
  • Platform Integration: ControlLogix Chassis (Compatible with 1756-A4, A7, A10, A13, A17)
  • Interface Standard: SERCOS (Serial Real-time Communications System)
  • Supported Data Rates: 4 Mbps and 8 Mbps
  • Maximum Drive Capacity: 8 Axis
  • Physical Dimensions: 3.5 x 14 x 14.5 cm
  • Operational Weight: 0.22 kg
  • Operating Temperature: 0 to 60 °C

Operational Capabilities and Integration

Allen-Bradley designed the 1756-M08SE to maintain high-speed communication integrity through fiber-optic connectivity. By utilizing 2090-series fiber-optic cables, the module effectively eliminates electromagnetic interference that often degrades signal quality in dense factory floor environments. Furthermore, the module delivers scalable cycle times; engineers configure the system for 0.5 ms, 1 ms, or 2 ms intervals depending on the data rate and the specific number of active drive nodes.

Technicians install the 1756-M08SE directly into any standard ControlLogix chassis to enable seamless interoperability with the Kinetix 2000, 6000, and 7000 drive families. Because the module incorporates advanced diagnostic reporting, maintenance teams monitor communication status and axis performance in real-time through the studio 5000 environment. Consequently, operations personnel achieve faster troubleshooting cycles and improved system availability during critical production runs.