MTC-P ramp and soak PID profile multile steps controller is a advanced temperature controller, the process value changed based on predetermined ramping rate and soak rate. process value changes based on a curve over time, the output can be Relay to drive an AC contrator, or SSR Drive to drive an external solid state relay, or 4-20mA analog outputs, maximum 4 patterns with each pattern at maximum 8 segments, 4 pattern can be linked together as 1 program with 32 segements. this controller is suitable for application like muffle furnace, high temperature furnace, klin control etc.