ET4402
  • 14.2 mm Led display

  • Selectable thermocouple types

  • PID control function with accurate self-tuning

  • Soft-Start function

  • Selectable SSR or relay control output

  • C/A2 Relay output can be set as secondary alarm or temperature control

  • A1 Relay output can be used as primary alarm

  • Offset feature for input

  • In case of sensor failure, manual control can be selected

  • CE marked according to European Norms

Manuals

Environmental Conditions
Ambient/Storage Temperature0...50 ºC / -25...70 ºC
Relative Humidity80% relative humidity for temperatures up to 31 °C, decreasing linearly to 50% at 40 °C
Protection DegreeAccording to EN 60529 Front panel: IP65, Rear panel: IP20
HeightMax. 2000m
Electrical Characteristics
Supply230V AC +10% -20% or 24V AC ±10%, 50/60Hz or 9-30V DC / 7-24V AC ±10% SMPS
Power Consumption5VA
External ConnectionsPlug-in terminals
ScaleFe-Const (J) thermocouple -30...600 °C
NiCr-Ni (K) thermocouple -30...999 °C
Fe-CuNi(L) thermocouple -30...600 °C
Accuracy±0,5% (of full scale) ±1 digit
Line ResistanceMax. 100ohm
Output
C/A2 OutputRelay: 250V AC, 5A (for resistive load), NO+NC selectable as control or Alarm2 output
A1 OutputRelay : 250V AC, 5A ( for resistive load), NO selectable as Alarm1 or cooling control output
SSR Output12V, 20mA
Life ExpectancyMechanical 5.000.000 operations (under no load), Electrical 200.000 operations (2A at 250V AC, resistive load)
Control
Control TypeSingle set-point and alarm control
Control AlgorithmOn-Off, P, PI, PD, PID (selectable)
A/D converter12 bit
Sampling Time100ms
Proportional BandAdjustable between 0.0% and 99.9%. If Pb=0.0% is than On-Off control is selected
Control PeriodAdjustable between 1 and 125s
HysteresisAdjustable between 1 and 50 °C/F
Output PowerThe ratio of power at a set point can be adjusted between 0% and 100%
Housing
Mounting MethodPanel mounting
DimensionsW48xH48xD53 mm
WeightApprox. 230g (after packaging)
Enclosure MaterialSelf extinguishing plastics