The 1756-M03SE ControlLogix SERCOS Motion Module from Rockwell Automation is a high-performance 3-axis motion control interface module designed for integrating ControlLogix controllers with SERCOS-based servo drives.
It enables precise, deterministic motion control for up to three servo axes, making it a key component in high-speed packaging machines, robotics, CNC-style automation systems, and synchronized multi-axis production lines. The module communicates via the SERCOS real-time fiber-optic motion network, ensuring extremely accurate position, velocity, and torque control.
This module is widely used in advanced motion architectures and legacy Kinetix 6000-based systems, where high-speed synchronization is essential.
Technical Specifications (Including Size & Weight)
| Parameter | Specification |
|---|---|
| Model | 1756-M03SE |
| Series | ControlLogix Motion Modules |
| Module Type | 3-Axis SERCOS Servo Interface Module |
| Axes Supported | 3 axes |
| Communication | SERCOS real-time fiber optic network |
| Drive Control Modes | Position, velocity, torque |
| Supported Drive Systems | Kinetix 6000 / 2000 / 7000, Ultra3000 SERCOS |
| Data Rate | 4 Mbps / 8 Mbps selectable |
| SERCOS Cycle Time | As low as 0.5 ms (system dependent) |
| Motion Types | Coordinated multi-axis motion |
| Backplane Current (5.1V DC) | ~760 mA |
| 24V DC Current | ~2.5 mA |
| Power Dissipation | ~5 W |
| Isolation | Optical isolation (network + backplane) |
| Programming Software | Studio 5000 / RSLogix 5000 |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5%–95% non-condensing |
| Weight | ~0.35 kg |
Physical Dimensions
- Size (H × W × D): 54 × 179 × 222 mm
This elongated ControlLogix single-slot module is optimized for motion applications requiring tight synchronization and high-speed deterministic communication.
Recommended Related Models
The 1756-M03SE is typically used with:
- 1756-L71 / L73 ControlLogix CPUs
- 1756-M02AE analog motion module (legacy servo control)
- 1756-M08SE higher-axis SERCOS motion modules
- Kinetix 6000 / 6200 / 6500 servo drive systems
- 1756-EN2T EtherNet/IP communication modules
Popular Allen-Bradley Motion Modules
Within the ControlLogix motion ecosystem:
- 1756-M03SE 3-axis SERCOS motion module
- 1756-M08SE multi-axis SERCOS motion module
- 1756-M02AE analog ±10V motion module
- 1756-M02AS SSI feedback motion module
- Kinetix integrated servo drive systems (modern replacement)
These modules support both legacy SERCOS architectures and modern motion control integration strategies.
