The Allen-Bradley 1756-DMF30 is a dedicated single-slot interface module engineered for the ControlLogix system. It functions as a high-speed communication gateway, linking the ControlLogix controller with Reliance Electric Distributed Power System (DPS) hardware. By utilizing a fiber optic connection to a field-mounted Power Module Interface (PMI) chassis, the module facilitates advanced control functions, including velocity, position, and torque regulation.
Features
Designed for integration with ControlLogix backplanes.
Supports complex outer-loop control algorithms.
Provides dedicated fiber optic communication for drive system coordination.
Single-slot footprint for efficient rack space utilization.
Engineered for high-reliability industrial environments with a long MTBF.
Drive System Compatibility
This module is specifically built for legacy migration and maintenance of Reliance Electric drive architectures, supporting:
SD3000 6-Pulse DPS (S6 DC drives and S6R resolvers)
SD3000 12-Pulse DPS (S12 DC drives and S12R resolvers)
Technical Specifications
Brand
Allen-Bradley
Product Line
ControlLogix
Module Type
Digital Drive Interface Module
Backplane Current (5.1V DC)
1.35 A
Backplane Current (24V DC)
3 mA
Power Dissipation (Peak)
6.96 W
Thermal Dissipation
23.7 BTU/hr
MTBF
1.7 Million Hours
Operating Shock
30 G
Slot Width
1 Slot
Installation Guidelines
Ensure the ControlLogix chassis is powered down before inserting or removing the 1756-DMF30 module.
Handle the module using proper ESD (Electrostatic Discharge) mitigation techniques to prevent damage to internal circuitry.
Verify that the fiber optic cable connection to the PMI chassis is seated firmly and free of debris or excessive bends.
Ensure adequate ventilation in the cabinet to maintain operating temperatures within the specified range.
Confirm the module is fully latched into the backplane to ensure reliable communication.
FAQ
What is the primary function of the 1756-DMF30? It acts as a communication bridge between a ControlLogix processor and Reliance Electric DPS hardware to manage sophisticated drive control tasks.
Is this module compatible with standard ControlLogix racks? Yes, it is designed for use within standard ControlLogix chassis and occupies a single slot.
Does this module require external power? It draws its operating power directly from the ControlLogix backplane current (5.1V DC and 24V DC).
