Based on the Silicon Laboratories 8051 system-on-chip processor, the R2 remote terminal unit integrates optoisolated digital inputs, the Modbus communications protocol, high-power relay outputs and ...
The author is tech editor of RW Engineering Extra. Remote control systems have come a long way in my 45-year broadcast engineering career. I have had the pleasure — and sometimes frustration — of ...
Roseville, Calif. — R2 Controls is providing an inexpensive way of remote sensing and high-speed remote relay control via its Modbus mixed signal remote terminal unit (RTU) for demanding field and ...