B&B Electronics CL30 RS-232 to Current Loop Converter

The B&B Electronics CL30 is a passive RS-232 to 20mA current loop converter designed for connecting modern RS-232 serial equipment to legacy current loop devices and industrial systems. It provides a simple, reliable interface solution for applications where current loop communication is required.

Key Features:

• Converts RS-232 signals to 20mA current loop interface
• Passive design — no external power supply required for basic operation
• Compatible with standard RS-232 serial ports and equipment
• Compact form factor for easy inline installation
• Ideal for legacy device integration, industrial control systems, and data acquisition
• Supports both transmit and receive current loop channels

The CL30 is well-suited for engineers and system integrators who need to bridge RS-232 serial ports with older teletype-style or industrial current loop peripherals. Its straightforward design minimizes installation complexity and provides a dependable signal conversion solution.