ET1124
  • Rail mounting

  • Selectable dual-set value

  • Selectable thermocouple types (J, K, L, T, S, R) or 2-wired PT100 (order option)

  • PID control function with accurate self-tuning

  • Selftune for automatic PID calculation or manually enter PID parameters if known

  • Control outputs can be cancelled (to use for measurement purposes)

  • Four SSR temperature control outputs

  • SSR outputs can be controlled manually

  • Soft-Start function

  • Communication via RS-485 ModBus protocol

  • Selectable heating/cooling control

  • Offset feature for input

  • In the case of sensor failure, periodical running or relay state selection

  • Programmable and firmware update via ModBus

  • 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 IP20
HeightMax. 2000m
Electrical Characteristics
Supply24V DC 20%
Power ConsumptionMax. 5VA
External ConnectionsPlug-in terminals
ScalePt-100 resistance thermometer -199.9...600.0 °C / -200...600 °C
J (Fe-CuNi) thermocouple -30.0....600.0 °C / -30....600 °C
K (NiCr-Ni) thermocouple -30.0...999.9 °C / -30...1300 °C
L (Fe-CuNi) thermocouple -30.0....600.0 °C / -30....600 °C
T (Cu-CuNi) thermocouple -30.0...400.0 °C / -30....400 °C
S (Pt10Rh-Pt) thermocouple -40...1700 °C
R (Pt13Rh-Pt) thermocouple -40...1700 °C
AccuracyPt-100 (resistance thermometer): ±0.2% (of full scale) ±1 digit
Thermocouples: ±0.5% (of full scale) ±1 digit
Line ResistanceMax. 100ohm for thermocouple. Max. 1ohm for 2-wired Pt-100
Outputs
S1....S4 SSR Control OutputsFour outputs, Max. 24 VDC ±20% , 30mA short circuit protected SSR control
Control
Control TypeSet-point control for 4 zone
Control AlgorithmOn-Off, P, PI, PD, PID (selectable)
A/D Converter14 bit
Sampling Time200ms
Proportional BandAdjustable between 0.0% and 100.0%. If Pb=0%, 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 MethodRail mounting
DimensionsG29xY90xD64 mm
WeightApprox. 200g (after packaging)
Enclosure MaterialSelf extinguishing plastics
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