Allen Bradley 1756-DMF30 ControlLogix Drive Module

• SF3000 Drive Integration: 1756-DMF30 Allen Bradley acts as a dedicated interface for connecting Reliance Electric SF3000 Distributed Power System (DPS) equipment to the ControlLogix platform.

• High-Speed SynchLink Communication: 1756-DMF30 Allen Bradley features 5 Mbps SynchLink fiber optic ports (TX/RX) for deterministic, high-speed broadcast of time-critical data.

• Optimized Throughput: 1756-DMF30 Allen Bradley supports a 10 Mbps Drive Communication data rate, ensuring rapid command execution and feedback between the controller and the axis.

• Precision Synchronization: 1756-DMF30 Allen Bradley enables high-performance coordinated motion by maintaining precise time synchronization across multiple drives.

• Plug-and-Play Chassis Compatibility: Allen Bradley ControlLogix Drive Module is designed for standard 1756 ControlLogix chassis, occupying a single slot for space-efficient installation.

• Diagnostic Monitoring: Allen Bradley ControlLogix Drive Module is equipped with front-panel LED status indicators (OK, SYNC, DRIVE) for real-time troubleshooting of module health and link integrity.

• Industrial Hardening: Allen Bradley ControlLogix Drive Module is built to withstand harsh environments with a wide operating temperature range (0°C to 60°C) and high vibration/shock resistance.

• Legacy Connectivity: Allen Bradley ControlLogix Drive Module provides a critical migration bridge for maintaining older SF3000 drive systems within modern Logix-based control architectures.

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• Legacy System Integration: 1756-DMF30 ControlLogix Drive Module enables the integration of aging Reliance Electric SF3000 drive systems into modern Allen-Bradley ControlLogix architectures without requiring a full drive replacement.

• High-Speed Coordinated Motion: 1756-DMF30 ControlLogix Drive Module is ideal for complex machinery requiring precise, simultaneous movement across multiple axes, such as web handling, printing presses, and converting lines.

• Distributed Power Systems (DPS): 1756-DMF30 ControlLogix Drive Module facilitates centralized control over distributed drive configurations, commonly found in metals processing, paper mills, and large-scale material handling.

• Time-Critical Data Broadcasting: 1756-DMF30 ControlLogix Drive Module is used in environments where deterministic communication is mandatory to ensure that all nodes in a SynchLink network receive control updates at the exact same microsecond.

• Noise-Sensitive Industrial Environments:  1756-DMF30 ControlLogix Drive Module leverages fiber optic connectivity to prevent electromagnetic interference (EMI) in heavy industrial settings, ensuring stable communication between the controller and the drive.

• System Retrofitting: Serves as a cost-effective "bridge" module for plants looking to upgrade their PLC processor to a Logix5000 controller while retaining their existing SF3000 drive hardware.

Allen Bradley 1756-DMF30

Allen Bradley 1756-DMF30

1756-DMF30 Allen Bradley

1756-DMF30 Allen Bradley

• 1. What is the primary function of the Allen-Bradley 1756-DMF30 module?
  The Allen Bradley 1756-DMF30 is a specialized ControlLogix 1-axis drive module designed to act as a communication bridge. It interfaces a ControlLogix chassis with Reliance Electric SF3000 Distributed Power System (DPS) drives via a high-speed SynchLink fiber optic network.
• 2. Which drive systems are compatible with the 1756-DMF30?
  The 1756-DMF30 Allen Bradley is specifically engineered for compatibility with the Reliance Electric SF3000 drive series. For users utilizing SD3000 drives, the 1756-DMD30 module would be required instead of the Allen Bradley ControlLogix Drive Module.
• 3. What are the SynchLink and Drive Comm data rates for the 1756-DMF30?
  The 1756-DMF30 supports two distinct communication speeds: a 5 Mbps data rate for the SynchLink fiber optic interface (used for inter-module synchronization) and a 10 Mbps data rate for direct Drive Communication.
• 4. How much power does the 1756-DMF30 draw from the ControlLogix backplane?
  The 1756-DMF30 has a significant power profile, drawing 1.35 Amps at 5.1V DC and 3.0 mA at 24V DC. It is critical to calculate the total power supply loading before adding a 1756-DMF30 to an existing chassis.
• 5. What do the LED indicators on the front of the 1756-DMF30 signify?
  The 1756-DMF30 ControlLogix Drive Module features three primary status LEDs: OK indicates the module’s operational health, SYNC monitors the timing status of the SynchLink fiber optic connection, and DRIVE displays the communication status with the connected SF3000 drive.
• 6. Can the 1756-DMF30 be used for high-precision coordinated motion?
  Yes, the 1756-DMF30 is designed for deterministic, time-synchronized applications. By using the SynchLink protocol, the Allen Bradley ControlLogix Drive Module ensures that control commands are broadcast across multiple axes with minimal jitter, making it ideal for web handling and printing.
• 7. Is the 1756-DMF30 still available for new installations?
  No, the 1756-DMF30 has been officially discontinued by Rockwell Automation. While it is no longer in active production, you can purchase 1756-DMF30 modules and related accessories directly from us to support your existing systems or emergency repair needs.
• 8. What type of physical media is required to connect the 1756-DMF30 to a network?
  The 1756-DMF30 requires high-quality 200/230 micron HCS (Hard Clad Silica) fiber optic cabling for its SynchLink ports. Using the correct fiber type is essential for the 1756-DMF30 to maintain signal integrity over industrial distances.

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