PID controllers 900324.002

Technical data

  • Housing dimension ST121D Front: 120x42mm with rotary switch
  • Power supply 230V AC
  • Switching inputs none
  • Number of outputs 3
  • Sensor type Multi resistance
  • ST-Bus available Yes
  • Software 102

Product description

The PID controller ST121D-II1TAR.102 is used for thermostat or PID control of heating and cooling applications. It has two connections for Pt100 or PTC resistance sensors and three relay contacts. The controller is supplied directly with 230V AC and has three keys and a rotary and pushbutton control knob for parameterisation.
The controller is networked by means of an ST-Bus interface.

Wiring diagram

Dimensional drawing

Data sheet             Installation instructions

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