Do you have Serial (RS232) device that needs Current loop communications?

ProtoConvert's PRO-CL-01 is just the right solution for you. Tested with 100's of installations this RS232 to Current Loop Converter (TTY) Converter is easy to use and quick to install.

High speed optical isolators couple and isolate transmit and receive data. All ProtoConvert's 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. Maximum baud rate recommended for current loop converters is 19.2 kbps.

This current loop converter is suitable for distances up to 1.2 km. Over two twisted pair. The model supports active as well as passive port. (dip switch selectable)


Optical isolation  1.5 KV
Interface  20MA active or passive port 
Operation  Point to point communication 
Speed  1200 bps to 38.4 kbps 
Connectors  Terminal block
Indications  Power, Transmit & Receive
Power  115 vac / 230 vac
Size  45[w] x 110[d] x 75[l] mm.( din rail)
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