ET4402
14.2mm 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 Temperature | 0...50 ºC / -25...70 ºC |
| Relative Humidity | 80% relative humidity for temperatures up to 31 °C, decreasing linearly to 50% at 40 °C |
| Protection Degree | According to EN 60529 Front panel: IP65, Rear panel: IP20 |
| Height | Max. 2000m |
| Electrical Characteristics | |
| Supply | 230V AC +%10 -%20 50/60Hz or 10-30V DC / 8-24V AC |
| Power Consumption | 5VA |
| External Connections | Plug-in terminals |
| Scale | Fe-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 Resistance | Max. 100ohm |
| Output | |
| C/A2 Output | Relay: 250V AC, 5A (for resistive load), NO+NC selectable as control or Alarm2 output |
| A1 Output | Relay : 250V AC, 5A ( for resistive load), NO selectable as Alarm1 or cooling control output |
| SSR Output | 12V, 20mA |
| Life Expectancy | Mechanical 5.000.000 operations (under no load), Electrical 200.000 operations (2A at 250V AC, resistive load) |
| Control | |
| Control Type | Single set-point and alarm control |
| Control Algorithm | On-Off, P, PI, PD, PID (selectable) |
| A/D converter | 12 bit |
| Sampling Time | 100ms |
| Proportional Band | Adjustable between 0.0% and 99.9%. If Pb=0.0% is than On-Off control is selected |
| Control Period | Adjustable between 1 and 125s |
| Hysteresis | Adjustable between 1 and 50 °C/F |
| Output Power | The ratio of power at a set point can be adjusted between 0% and 100% |
| Housing | |
| Mounting Method | Panel mounting |
| Dimensions | W48xH48xD53 mm |
| Weight | Approx. 230g (after packaging) |
| Enclosure Material | Self extinguishing plastics |