... Controller Product Description: This universal temperature controller can be used as PID temperature controller, On/off temperature controller, Limit temperature controller, ... accuracy without complicated PID parameter fine tuning. This controller contains all the primary functions of an industrial ... modePID, On-Off, LimitOutput modeRelay contact: 3A at 240 VAC. SSR: 8VDC, 40 mA.AlarmProcess high/low ...