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Current loop devices use current on or current off to transmit binary digits. B&B 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. Call B&B Electronics’ Technical Support Department for details.

High speed optical isolators couple and isolate transmit and receive data. All B&B current loop converters have a transmit (T+ and T-) and a receive (R+ and R-) loop. Each loop may be operated as an active or passive loop. When the converter needs to provide the loop current, a 12 VDC power supply is required for the current loop side. Maximum baud rate recommended for current loop converters is 19.2 kbps.


Features


Specifications:


Ordering Information:

232CL9R - Current Loop to Serial RS-232/RS-422/RS-485 Converters, Terminal Block, DB9 Female

232CL4R - Current Loop to Serial RS-232/RS-422/RS-485 Converters, Terminal Block, DB25 Female

232PCLR - Current Loop to Serial RS-232/RS-422/RS-485 Converters, DB25 Male, DB25 Female

485CL - Current Loop to Serial RS-232/RS-422/RS-485 Converters, Terminal Block, DB25 Female


 Current Loop to Serial RS-232/RS-422/RS-485 Converters


Model: Please see below

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