Allen-Bradley 1769-ASCII | 2-Channel Serial ASCII Module – RS232, RS422, RS485 Communication for CompactLogix

Overview

The Allen-Bradley 1769-ASCII is a 2-channel serial communication module designed for CompactLogix and MicroLogix 1500 systems. It supports RS232, RS422, and RS485 communication protocols and is ideal for integrating ASCII-based serial devices into your automation system, such as barcode scanners, printers, sensors, and custom control hardware.

Each channel is independently configurable, allowing maximum flexibility when dealing with multiple serial devices or protocols.

Key Features

• Channels: 2 independent serial ports

• Protocols Supported: RS232, RS422, RS485

• Communication Type: ASCII serial

• Baud Rate: Up to 115.2 Kbps

• System Compatibility: CompactLogix and MicroLogix 1500

• Compact DIN Rail Mountable – Saves space in control panels

• Simple Integration – Communicate with non-Allen-Bradley serial devices

• Independent Configuration – Each channel can be uniquely set

Technical Specifications

• Model: 1769-ASCII

• Channels: 2 serial (independent)

• Supported Interfaces: RS232, RS422, RS485

• Baud Rates: 300 to 115200 bps

• Power Supply: From I/O backplane

• Mounting: DIN rail or panel (via CompactLogix chassis)

• Operating Temp: 0°C to +60°C

• Dimensions: Standard 1769 I/O module size

• Certifications: UL, CE, c-UL

Applications

• Barcode Readers & Scanners – ASCII string communication

• Labeling & Printing Systems – Serial printer control

• Weigh Scales & Measurement Devices – Digital serial input

• Legacy Device Integration – Communicate with older RS devices

• Machine-to-Machine (M2M) Serial Data Exchange

Why Choose the 1769-ASCII?

• Multi-protocol support for RS232, RS422, and RS485

• Dual independent channels for flexible communication setups

• Integrates easily with CompactLogix and MicroLogix systems

Order Now

In stock and ships worldwide. Ask about configuration support, CompactLogix controllers, or starter bundles.