RWD stand-alone controllers from Siemens
The RWD stand-alone universal controller range is ideal for the energy-efficient control of HVAC. The range is simple to install and commission, keeping costs to a minimum. The range delivers high control accuracy and can be used to control temperature, humidity, pressure, volumetric flow and air quality. Inputs can be from Ni1000, Pt 1000 or DC 0-10V sensors, and the control outputs can be either DC 0-10V, 3-position or on/off.