RT218

RT228

RT228U

RT180

RT390

double programmable
PI controller

double programmable
PD controller

double programmable
ON/OFF controller

2-channel programmable
ON/OFF controller

3-channel programmable
multi-functional controller

  2 fixed inputs:
    RTD, T/C, U, I
  ON/OFF and PI-autotune
    control algorithms
  up to 2 relay outputs

  2 fixed inputs:
    RTD, T/C, U, I
  ON/OFF and PD
    control algorithms
  up to 4 relay outputs

  2 universal inputs:
    RTD, T/C, U, I, R
  up to 4 relay outputs and
    2 isolated analog outputs
  isolated RS485 interface

  2 universal inputs:
    RTD, T/C, U, I, pH
  up to 2 relay outputs
  isolated RS485 interface
  2 DIN sizes

  up to 15 structure blocks
    and 24 functions
  up to 3 relay outputs and
    2 analog outputs
  RS485, RS232 interface