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Current Loop Converters

Current loop devices use current on or current off to transmit binary digits. B&B current loop converters interface RS-232 and RS-422/485 systems to the most common current loop ports, 20 mA ports with open circuit voltages up to 30 V. Many models can be modified for higher loop currents and voltages.

BB-232CL9R

Serial Converter, RS-232 DB9 F / 20 mA Current Loop TB

BB-232CLDR

BB-232CLDR

Converter DIN Rail W/LEDS