Allen-Bradley 1746-BAS | BASIC Programming and Communication Module Overview The Allen-Bradley 1746-BAS is a BASIC programming module for the SLC 500 system, allowing serial communication between the SLC platform and external devices. With RS-232 and RS-485 ports, it supports ASCII and DF1 protocols, making it perfect for connecting bar code readers, printers, modems, and other serial devices to an automation system. Key Features Communication Ports: RS-232 port RS-485 port Protocols Supported: ASCII, DF1, Modbus RTU (through custom programming) Programming Language: BASIC-52 compatible (based on the Intel MCS-51 architecture) Memory: 8 KB RAM for user programs 32 KB ROM with BASIC interpreter Baud Rate: Selectable 300 to 19,200 bps Diagnostics: Onboard LED indicators for module and communication status Mounting: Standard SLC 500 chassis slot Technical Specifications Catalog Number: 1746-BAS Backplane Current Load: 600 mA at 5V DC Isolation: Optical isolation between ports and backplane Operating Temperature: 0°C to 60°C (32°F to 140°F) Storage Temperature: -40°C to 85°C (-40°F to 185°F) Relative Humidity: 5% to 95% non-condensing Shock Resistance: 30g operational Vibration Resistance: 5g, 10–500 Hz Certifications: UL, CE, CSA Applications Bar code scanner integration Printer communication and control Modem communication for remote monitoring Data collection from serial devices Custom protocol handling between devices and PLCs Why Choose the 1746-BAS? Flexible Communication: Easily interface with serial devices Customizable Programming: BASIC language allows tailored data management Reliable Integration: Perfect for legacy serial device connectivity Industrial Durability: Built for demanding industrial environments Simple Installation: Fits directly into standard SLC 500 chassis Order Now Available and ready for immediate shipment.
