Allen-Bradley 1769-SM2 Compact I/O DSI Modbus Module

Product Overview

The Allen-Bradley 1769-SM2 is a Compact I/O module. It provides DSI and MODBUS communication. This module fits into a single slot. It works with CompactLogix and MicroLogix 1500 controllers. You can use it with PowerFlex 4 and PowerFlex 7 class drives. The module supports Drive Serial Interface (DSI) and MODBUS RTU protocols. It draws 350 mA at 5Vdc. The 24Vdc power comes from the Compact I/O Power Supply.

Application Scenarios

Use this module for drive control in industrial automation. It connects CompactLogix to PowerFlex drives. It is ideal for conveyor systems and material handling. You can also use it for pump and fan control. The module works in manufacturing plants and process industries. It supports both DSI and MODBUS networks. This makes it flexible for many applications.

Technical Specifications

The DSI data transfer speed is 19200 bps. The MODBUS speed ranges from 300 to 38400 bps. It supports 300, 600, 1200, 2400, 4800, 9600, 19200, or 38400 bps. The module mounts on a DIN rail or a panel. It operates at -10 to 50 °C. It stores at -40 to 85 °C. The module handles 5g vibration from 10 to 500 Hz. It withstands 30g operating shock. The maximum cable distance to PowerFlex 4 drives is 10 meters. For a 2-conductor network, the distance is 1219 meters. It supports up to 3 channels for PowerFlex 4 drives.

Installation & Maintenance Guide

Mount the module on a DIN rail or panel. Use copper wire with a 90°C rating. Wire size ranges from 22 to 14 AWG. Stranded wire size is 22 to 16 AWG. The module has a power supply distance rating of 8 modules. Ensure proper grounding for best performance. Regular inspection of connections is recommended. No special maintenance is required.

Packing List

The package includes one Allen-Bradley 1769-SM2 module. It also includes a user manual. The shipping weight is 2 lbs. The shipping dimensions are 8X8X5 inches. We ship via Fedex, UPS, or DHL.