Schneider Electric Foxboro 135B Onsotrol Pneumatic Controller is an industrial instrument that converts a sensed process variable into a pneumatic control signal used to regulate valves and actuators in process control systems. As part of the Foxboro Onsotrol line, the 135B model provides a pneumatic output for automatic control loops in industrial environments. This device is designed to be integrated into control panels and automation architectures that rely on reliable pneumatic signaling to maintain process setpoints.
