B&B Electronics CL278 Current Loop to RS-232 Converter Interface

The B&B Electronics CL278 is a current loop to RS-232 serial interface converter designed to bridge legacy current loop serial devices with modern RS-232 equipment. This compact converter enables reliable serial communication between current loop peripherals — such as older terminals, printers, and industrial devices — and RS-232-based computers or controllers.

Key Features:

• Converts current loop signals to RS-232 serial interface levels
• Compatible with 20mA current loop serial devices
• Supports passive and active current loop configurations
• Compact, DIN-rail or panel-mountable form factor
• Designed for industrial and commercial serial communication applications
• Manufactured by B&B Electronics, a trusted leader in serial connectivity solutions

The CL278 is an ideal solution for integrating legacy serial equipment into modern infrastructure without replacing existing hardware. It is well-suited for industrial automation, data acquisition, and point-of-sale environments where current loop devices remain in service.