The Allen-Bradley 1768-M04SE integrates motion control directly into your CompactLogix system. This module provides a seamless link between your controller and up to four Kinetix servo drives. It eliminates the need for a separate motion controller, reducing system complexity. This integration lowers the total cost per axis of motion. The module supports both position and velocity control modes for flexible application design.
Product Procurement & Buyer Guide for 1768-M04SE
Selecting the correct motion interface module is critical for system performance. The 1768-M04SE offers distinct advantages for synchronized multi-axis applications. It supports data exchange rates of 4 Mbps and 8 Mbps for high-speed communication. This module achieves a cycle time of just 0.5 ms with two drives at 4 Mbps. It maintains a fast 1 ms cycle time with four drives at the same rate. For maximum performance, it delivers a 0.5 ms cycle time with four drives at 8 Mbps. This speed ensures precise synchronization for demanding packaging and converting machinery.
This module uses a fiber-optic SERCOS network for reliable, noise-immune data transmission. You must select the correct fiber-optic cable for your environment. Plastic cables, like the 2090-SCEPxx-0, work in temperatures from -55 to 85 °C. Glass cables, like the 2090-SCVGxx-0, operate from -20 to 85 °C. The module draws 969 mA from the 5.2 VDC backplane bus. It consumes no current from the 24 VDC backplane supply. Verify your system’s total backplane current draw before installation.
The 1768-M04SE works exclusively with specific CompactLogix controllers. You can install one module with a 1768-L43 processor for four axes of control. You can install two modules with a 1768-L45 processor for up to eight axes. The module is compatible with Kinetix 2000, Kinetix 6000, Kinetix 7000, and Ultra 3000 SERCOS drives. It consumes three SERCOS connections from the controller’s available pool. Always confirm your controller’s connection limit before finalizing your design.
Step-by-Step User & Installation Guide for 1768-M04SE
Proper installation ensures reliable operation and long service life. Begin by mounting the module onto a standard DIN rail or directly to a panel. The module occupies a single slot in the 1768 CompactLogix chassis. Secure the module firmly to ensure a solid backplane connection. The module weighs approximately 0.2 kilograms and has compact dimensions.
Next, connect the fiber-optic cables to the F-SMA screw-type connectors. Use plastic fiber with a core diameter of 980 µm ± 60 µm. Use glass fiber with a core diameter of 200 µm ± 4 µm. Maintain the minimum bend radius for your cable type to prevent signal loss. For plastic cable without a jacket, the radius is 25 mm. For glass cable, the minimum bend radius is 30 mm. Route cables away from high-voltage power lines to avoid interference.
Finally, configure the module using the RSLogix 5000 software. Set the SERCOS data rate to either 4 Mbps or 8 Mbps. Select the appropriate control mode, either position or velocity. Configure the electronic keying to match your module’s exact revision. The module dissipates 5.04 W of power during normal operation. Ensure adequate airflow around the module to prevent overheating. The open enclosure design requires a clean, dry environment for safe use.
Logistics & Standard Packaging Details
- 1x Allen-Bradley 1768-M04SE SERCOS Interface Module
- Installation instructions manual
- Static-sensitive packaging materials
- Product documentation and compliance sheet
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