RE22 PID Temperature Controller. RE22 digital PID Temperature Controller is destined to control temperature in furnaces, dryers, injection moulding machines and others. Universal input for RTD ; TC sensors or standard signals from transducers Relay output or binary 0/5 V for relay of SSR type Control of ON/OFF type or PID with auto-tuning Manual setting of PID parameters or by means of auto adaptation Limitation of set point change setting 110V supply voltage Soft-start function Manual operating option