Description
Allen-Bradley 1769-SM2: DSI/Modbus Communication Interface Module
The 1769-SM2 is a versatile communication interface module from Allen-Bradley’s Compact I/O series. This powerful module enables seamless connectivity between CompactLogix/MicroLogix controllers and PowerFlex drives using DSI or Modbus protocols.
Technical Specifications
- Brand: Allen-Bradley / Rockwell Automation
- Model: 1769-SM2
- Type: DSI/Modbus Communication Module
- Protocol Support: Drive Serial Interface (DSI) & MODBUS RTU
- DSI Data Rate: 19.2 Kbps fixed
- Modbus Data Rates: 300 to 38,400 bps (8 selectable rates)
- Current Consumption: 350 mA @ 5V DC
- Operating Temperature: -10 to 50°C (14 to 122°F)
- Vibration Resistance: 5g, 10-500 Hz
- Shock Resistance: 30g, 11 ms duration
- Maximum Network Distance: 1219 meters (4000 feet)
- Drive Compatibility: PowerFlex 4-Class & 7-Class drives
- Controller Compatibility: CompactLogix & MicroLogix 1500
- Isolation Voltage: 500V AC continuous
- Connection Points: 3 independent channels
Frequently Asked Questions
- What is the maximum number of drives supported?
- The module supports up to 15 PowerFlex 4-Class drives (5 per channel across 3 channels)
- Can this module communicate with PowerFlex 525 drives?
- No, the 1769-SM2 is designed specifically for PowerFlex 4-Class and 7-Class drives with DSI ports
- What cable type should I use for MODBUS connections?
- Use shielded twisted-pair cable with proper grounding for best noise immunity
- Is special software required for configuration?
- Yes, you need RSLogix 5000 for CompactLogix or RSLogix 500 for MicroLogix systems
- What is the maximum MODBUS network distance?
- You can achieve up to 1219 meters (4000 feet) with proper wiring and termination
Comparison With Similar Products
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