The Allen-Bradley 1769-SM2 Compact I/O module provides communication capabilities for CompactLogix and MicroLogix 1500 systems. It supports DSI and Modbus RTU protocols, enabling integration with drives, operator interfaces, and other Modbus-compatible devices.
Specifications
Manufacturer: Allen-Bradley (Rockwell Automation)
Model: 1769-SM2
Type: Compact I/O Communication Module
Protocols Supported:
DSI (Drive Serial Interface)
Modbus RTU (Master/Slave)
Ports: 2 serial ports (RS-232/RS-485)
Baud Rate: 1200 to 115.2 kbps
Node Capacity: Up to 32 slave devices per port
Mounting: DIN rail or panel mount
Power Supply: 24 VDC nominal (via Compact I/O backplane)
Operating Temperature: 0°C to +60°C
Features
Dual-Port Design: Supports simultaneous communication with multiple devices.
Flexible Protocols: DSI for PowerFlex drives and Modbus RTU for third-party devices.
Scalable Integration: Connects up to 32 slave devices per port.
Compact Form Factor: Fits seamlessly into CompactLogix racks.
Reliable Operation: Designed for continuous industrial use.
Easy Configuration: Supports Studio 5000 Logix Designer setup.
