Description
The Allen-Bradley 1756-DMA31 is a specialized ControlLogix module designed to facilitate high-speed communication between a ControlLogix controller and supported drive systems. This SynchLink Drive Interface Module serves as a critical bridge for motion control synchronization, ensuring reliable data exchange in demanding industrial automation environments.
Features
- Single-axis drive interface capabilities for precise motion control.
- Integrated SynchLink technology for high-speed synchronization across the control architecture.
- Supports a SynchLink data rate of 5 Mbps.
- Drive communication data rate of up to 10 Mbps.
- Optimized for use with 650 nm wavelength fiber optic connections.
- Standard ControlLogix form factor for seamless integration into existing chassis systems.
Technical Specifications
| Product Model |
1756-DMA31 |
| Manufacturer |
Allen-Bradley |
| Current Draw |
1.35 A at 5 VDC |
| SynchLink Data Rate |
5 Mbps |
| Drive Comm. Data Rate |
10 Mbps |
| Optimal Wavelength |
650 nm |
Installation Guidelines
- Ensure the ControlLogix chassis is powered down before inserting or removing the 1756-DMA31 module to prevent electrical damage.
- Verify that the module is fully seated in the chassis slot and that the locking mechanism is engaged.
- Use appropriate fiber optic cabling rated for 650 nm operation to maintain signal integrity.
- Route communication cables away from high-voltage power lines and sources of electromagnetic interference (EMI) to ensure stable data transmission.
- Maintain proper ventilation in the control cabinet to keep the module within its specified operating temperature range.
FAQ
What is the primary function of the 1756-DMA31?
This module acts as a SynchLink interface, allowing for synchronized motion control and high-speed data communication between the ControlLogix controller and compatible drive hardware.
What power requirements does this module have?
The 1756-DMA31 consumes 1.35 A of current at a 5 VDC power supply level, which is drawn directly from the ControlLogix backplane.
