Along the side of southbound Highway 101 on Tuesday, a remote-controlled mower was cutting down weeds at the off-ramp for State Route 217. As high fire season is upon us, Caltrans is doing its part.⁠ ⁠ Caltrans uses the RC mowers in areas big and small, though they still weed-whack by hand near tree trunks. On slopes, the agency has found the RC mowers are safer, said Heidi Crawford with District 5, and they can reach inaccessible areas. In service for the past two years, the mowers can cover an

How does Hart Communication Protocol Work? Check out the full blog post over at https://realpars.com/hart-protocol/ A small HART network can be formed with up to 63 HART devices, each having its address, or node number. The remote capability of HART sensors is very useful and powerful. We can access data in the sensor remotely using the HART communication protocol from the PLC programming software. We can configure, calibrate, and retrieve diagnostic data from a control room or other location wh