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Product Introduction
The Allen-Bradley 1769-SM2 Compact I/O to DSI Module is a communication interface module designed for integration within the Compact I/O platform developed by Allen-Bradley. The module provides a communication bridge between CompactLogix controllers and motor drives that use the DSI (Drive Serial Interface) protocol. Through this connection, the controller can exchange operating commands, status information, and diagnostic data with compatible drive devices.
Installed directly into the Compact I/O backplane, the 1769-SM2 operates as part of the system’s modular architecture and receives its operating power from the backplane bus. This design simplifies system wiring and allows the controller to manage drive communication within the same automation platform.
The module is commonly used in industrial automation systems where motor drives must be monitored and controlled by a PLC. By enabling direct integration between the controller and DSI-based drives, the module helps improve system visibility, simplify configuration, and support stable drive operation in machine control and process automation environments.
Product Specifications
| Parameter | Description |
|---|---|
| Product Name | Allen-Bradley 1769-SM2 Compact I/O to DSI Module |
| Manufacturer | Allen-Bradley |
| Series | Compact I/O |
| Module Type | Communication interface module |
| Function | Provides communication between Compact I/O backplane and DSI-based drives |
| Backplane Current Draw | 350 mA at 5 VDC |
| Backplane Current Draw (24 VDC) | 0 mA |
| Power Supply Distance Rating | Supports up to 8 modules from the power supply |
| Mounting | DIN rail mounting or panel mounting |
| Operating Temperature | −10 to 50 °C (14 to 122 °F) |
| Storage Temperature | −40 to 85 °C (−40 to 185 °F) |
| Vibration | 5 g, 10 to 500 Hz |
| Operating Shock | 30 g, 11 ms |
| Dimensions | 118 × 35 × 87 mm |
| Weight | 0.142 kg |
Applications
● Industrial Motor Drive Control
Used to establish communication between CompactLogix controllers and DSI-compatible drives for monitoring and controlling motor operations.
● Automated Manufacturing Lines
Applied in production equipment such as assembly machines, packaging systems, and automated processing lines.
● Material Handling Systems
Supports conveyor systems, automated warehouses, and logistics equipment where stable drive communication is required.
● Machine Automation Equipment
Commonly used in OEM machinery to simplify the integration of PLC controllers and motor drives.
● Process Control Systems
Suitable for industrial applications where motors drive pumps, mixers, and other rotating equipment.
Advantages
● Direct Integration with Compact I/O Architecture
The module connects directly to the Compact I/O backplane, simplifying system design and reducing wiring complexity.
● Reliable Drive Communication
Ensures stable data exchange between the controller and DSI-based drives for effective monitoring and control.
● Compact Industrial Design
The narrow module width allows efficient use of control cabinet space.
● Simplified System Configuration
Drive status and parameters can be accessed directly from the PLC programming environment.
● Industrial Environmental Performance
Designed to operate reliably across typical industrial temperature ranges and vibration conditions.
● Flexible Installation
Supports both DIN rail mounting and panel mounting to match different installation requirements.
