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48x48 mm sized, with LCD screen, selectable PT-100 or Thermocouple input, SSR + 2 Relay Outputs, PID Temperature Controller.
ET4430
2x4 digit LCD display
Selectable dual set point entry
Selectable PT100 and thermocouple types
Automatic PID parameter calculation (SELF TUNE)
Three different features assignable to digital inputs
Three different features assignable to the F function key
Soft-Start feature
Selectable SSR control output
Second Alarm or temperature control output as C/A2 relay output
First Alarm output or PID cooling output as A1 relay output
Selectable Heating/Cooling control
Offset feature for inputs
Ability to select relay positions or periodic and automatic periodic operation in case of probe failure
Communication via RS-485 ModBus protocol
CE marked according to EN standards
Environment/Storage Temperature | 0...50 °C / -25...70 °C |
Relative Humidity | Up to 80% at 31 °C, then decreases linearly to 50% at 40 °C |
Protection Class | Front panel: IP65, Rear panel: IP20 according to EN 60529 standard |
Height | Max 2000m |
Supply Voltage | 230V AC +10% -20% 50/60Hz or 10-30V DC / 8-24V AC |
Power Consumption | 5VA |
Connection | Socket terminal |
Scale | Fe-Const (J) thermocouple -30...600 °C / -30.0...600.0 °C NiCr-Ni (K) thermocouple -30...1300 °C / -30.0...-999.9 °C Fe-CuNi (L) thermocouple -30...600 °C / -30.0...-600.0 °C Cu-CuNi (T) thermocouple -30...400 °C / -30.0...-400.0 °C Pt10Rh-Pt (S) thermocouple -40...1700 °C Pt13Rh-Pt(R) thermocouple -40...1700 °C |
Accuracy | ±0.5% (full scale) ±1 digit (for thermocouples), ±0.2% (full scale) ±1 digit (for Pt-100 resistance thermometer) |
Wire Resistance | Max 100 ohm |
C/A2 Output | Relay: 250V AC, 8A (for resistive load), NO+NC control or Alarm2 output selectable |
A1 Output | Relay: 250V AC, 8A (for resistive load), NO (Alarm1 and Cooling control output selectable) |
SSR Output | 24V, 20mA |
Relay Lifetime | 30,000,000 switching cycles without load; 250V AC, 2A resistive load 300,000 switching cycles |
Control Type | Single setpoint and alarm control |
Control Method | On-Off, P, PI, PD, PID (selectable) |
A/D Converter | 14 bits |
Sampling Time | 100ms |
Proportional Band | Adjustable between 0.0% and 99.9%. If Pb=0.0, On-Off control is selected |
Control Period | Adjustable between 1 and 125 seconds |
Hysteresis | Adjustable between 1 and 50 °C/F |
Output Power | Adjustable between 0% and 100% of the setpoint |
Mounting Method | To be mounted on a panel with compression |
Dimensions | G48xY48xD87 mm |
Weight | Approximately 250g (with packaging) |
Box Materials | Self-extinguishing plastics used |