Allen-Bradley 1756-M08SE Digital Output Module

The Allen-Bradley 1756-M08SE is an 8-axis SERCOS servo interface module for Rockwell Automation ControlLogix systems, designed to connect eight servo drives to a single 1756 ControlLogix chassis for coordinated motion control. It provides a dedicated SERCOS interface over a single fiber-optic link to eight axes, enabling high-speed, closed-loop communication within the ControlLogix I/O infrastructure. The module sits in a 1756 ControlLogix chassis and draws backplane power from the system: 5.1 V DC at up to 760 mA and 24 V DC at up to 2.5 mA, with a maximum power dissipation around 5 W. With eight axes supported, the 1756‑M08SE is suited for multi-axis motion tasks such as precise positioning and synchronized drive control in automation environments that employ SERCOS servo drives. For cabling, use the appropriate fiber-optic link specified for the M08SE, and refer to the module’s documentation for the exact SERCOS wiring and cable recommendations. This module is part of Allen‑Bradley’s 1756 servo interface family and is cataloged as 1756‑M08SE, with compatibility dependent on a Rockwell ControlLogix controller and servo drives that support SERCOS interfaces.