Azbil Temperature Controller SDC15 : The SDC15 Single Loop Controller is a 48 x 48 mm compact digital controller featuring group multi-range inputs and a PID control system using the new “RationaLOOP PID” (Ra-PID) and “Just-FiTTER” algorithms. Up to 2 control outputs are available (depending on the model), selectable from relay contact, voltage pulse, and current. Two kinds of mounting method are provided: panel mounting and socket mounting. Compatible with the Smart Loader Package, which facilitates setup and monitoring.