Model BB-232CL9R is a port-powered RS-232 to current loop converter. No external power required for passive loop installations, but a power supply is required to generate an active loop (power supply sold separately).
Advantech
BB-232CL9R
ULI-227TL - RS-232 (DB9 Male) to 20 mA Current Loop (TB) Converter
£65.30
- RS-232 to digital 20 mA Current Loop with Isolation
- Each current loop may be operated active or passive
- Baud rates up to 19.2 kbps
- Transmit (T+ and T-) loop and Receive (R- and R-) loop
- Port-power or external power supply (not included, sold separately)
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