Allen-Bradley 1770-KF2 Overview The Allen-Bradley 1770-KF2 is a Data Highway/Data Highway Plus asynchronous communication interface module designed to connect intelligent RS-232C or RS-422A devices to Allen-Bradley’s Data Highway or Data Highway Plus networks. This module facilitates both point-to-point and multi-drop communication configurations, enabling seamless integration between programmable controllers and external devices such as computers or graphic systems. Its design supports tabletop mounting within controlled environments like offices or control rooms. Key Features Communication Interfaces: RS-232C and RS-422A Supported Networks: Data Highway and Data Highway Plus Communication Rates: Data Highway/Peer Communication Link: 57,600 bps Asynchronous: Selectable from 110 to 9,600 bps Mounting: Tabletop or other horizontal surfaces Power Supply: 115V AC at 60 Hz or 230V AC at 50 Hz Self-Diagnostics: Built-in diagnostics for memory, timers, and firmware integrity Compatibility: Interfaces with various Allen-Bradley PLCs and intelligent devices Technical Specifications Catalog Number: 1770-KF2 Power Consumption: 3.5 Watts Communication Ports: Data Highway: 15-pin male EIA D-connector Peer Communication Link: 15-pin male EIA D-connector Data Highway Monitor: 9-pin female EIA D-connector Asynchronous (RS-232C/RS-422A): 25-pin male EIA D-connector Dimensions (H × W × D): 263.5 mm × 254 mm × 85.7 mm Weight: Approximately 2.7 kg Operating Temperature Range: 0°C to 45°C (32°F to 113°F) Storage Temperature Range: -40°C to 85°C (-40°F to 185°F) Humidity: 10% to 80% non-condensing Cabling: Data Highway: 1770-CD dropline cable Asynchronous RS-232C: User-supplied data terminal interface or modem interface cable Asynchronous RS-422A: User-supplied data terminal interface cable Applications Connecting computers or graphic systems to Allen-Bradley PLCs via Data Highway networks Replacing 1771-KD communication controller modules in existing setups Facilitating communication between PLC-2, PLC-3, and PLC-4 family controllers and external devices Integrating minicomputers and microcomputers into industrial control systems Why Choose the 1770-KF2 Versatile Communication: Supports both RS-232C and RS-422A standards for broad compatibility Flexible Network Integration: Enables connection to both Data Highway and Data Highway Plus networks Robust Diagnostics: Built-in self-diagnostics ensure reliable operation and easy troubleshooting Ease of Installation: Designed for tabletop mounting in controlled environments Legacy System Support: Ideal for maintaining and upgrading existing Allen-Bradley PLC systems Order Now The Allen-Bradley 1770-KF2 communication interface module is available for order.